New upstream version 5.7.0

50 files changed, 800 insertions, 3976 deletions

diff --git a/src/libimcv/plugins/imc_attestation/Makefile.in b/src/libimcv/plugins/imc_attestation/Makefile.in
index bc079ff12..4817d3fc5 100644
--- a/src/libimcv/plugins/imc_attestation/Makefile.in
+++ b/src/libimcv/plugins/imc_attestation/Makefile.in
@@ -311,7 +311,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -337,6 +336,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -357,8 +358,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -413,8 +412,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -443,8 +440,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
diff --git a/src/libimcv/plugins/imc_attestation/imc_attestation.c b/src/libimcv/plugins/imc_attestation/imc_attestation.c
index 0dd88b6a7..f592a5134 100644
--- a/src/libimcv/plugins/imc_attestation/imc_attestation.c
+++ b/src/libimcv/plugins/imc_attestation/imc_attestation.c
@@ -115,19 +115,8 @@ TNC_Result TNC_IMC_API TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
 		case TNC_CONNECTION_STATE_CREATE:
 			state = imc_attestation_state_create(connection_id);
 			return imc_attestation->create_state(imc_attestation, state);
-		case TNC_CONNECTION_STATE_HANDSHAKE:
-			if (imc_attestation->change_state(imc_attestation, connection_id,
-				new_state, &state) != TNC_RESULT_SUCCESS)
-			{
-				return TNC_RESULT_FATAL;
-			}
-			state->set_result(state, imc_id,
-							  TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
-			return TNC_RESULT_SUCCESS;
 		case TNC_CONNECTION_STATE_DELETE:
 			return imc_attestation->delete_state(imc_attestation, connection_id);
-		case TNC_CONNECTION_STATE_ACCESS_ISOLATED:
-		case TNC_CONNECTION_STATE_ACCESS_NONE:
 		default:
 			return imc_attestation->change_state(imc_attestation, connection_id,
 												  new_state, NULL);
diff --git a/src/libimcv/plugins/imc_attestation/imc_attestation_state.c b/src/libimcv/plugins/imc_attestation/imc_attestation_state.c
index b789a2104..f8e0b8d2c 100644
--- a/src/libimcv/plugins/imc_attestation/imc_attestation_state.c
+++ b/src/libimcv/plugins/imc_attestation/imc_attestation_state.c
@@ -131,10 +131,14 @@ METHOD(imc_state_t, get_contracts, seg_contract_manager_t*,
 	return this->contracts;
 }
 
-METHOD(imc_state_t, change_state, void,
+METHOD(imc_state_t, change_state, TNC_ConnectionState,
 	private_imc_attestation_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imc_state_t, set_result, void,
@@ -155,6 +159,21 @@ METHOD(imc_state_t, get_result, bool,
 	return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
 }
 
+METHOD(imc_state_t, reset, void,
+	private_imc_attestation_state_t *this)
+{
+	this->result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+
+	this->components->destroy_offset(this->components,
+							offsetof(pts_component_t, destroy));
+	this->components = linked_list_create();
+	this->list->destroy_offset(this->list,
+							offsetof(pts_comp_evidence_t, destroy));
+	this->list = linked_list_create();
+	this->pts->destroy(this->pts);
+	this->pts = pts_create(TRUE);
+}
+
 METHOD(imc_state_t, destroy, void,
 	private_imc_attestation_state_t *this)
 {
@@ -238,6 +257,7 @@ imc_state_t *imc_attestation_state_create(TNC_ConnectionID connection_id)
 				.change_state = _change_state,
 				.set_result = _set_result,
 				.get_result = _get_result,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
 			.get_pts = _get_pts,
diff --git a/src/libimcv/plugins/imc_hcd/Makefile.in b/src/libimcv/plugins/imc_hcd/Makefile.in
index 1b71b26d0..e6074a35c 100644
--- a/src/libimcv/plugins/imc_hcd/Makefile.in
+++ b/src/libimcv/plugins/imc_hcd/Makefile.in
@@ -308,7 +308,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -334,6 +333,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -354,8 +355,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -410,8 +409,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -440,8 +437,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
diff --git a/src/libimcv/plugins/imc_hcd/imc_hcd.c b/src/libimcv/plugins/imc_hcd/imc_hcd.c
index b631683ce..09ba8bc0b 100644
--- a/src/libimcv/plugins/imc_hcd/imc_hcd.c
+++ b/src/libimcv/plugins/imc_hcd/imc_hcd.c
@@ -141,15 +141,6 @@ TNC_Result TNC_IMC_API TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
 		case TNC_CONNECTION_STATE_CREATE:
 			state = imc_hcd_state_create(connection_id);
 			return imc_hcd->create_state(imc_hcd, state);
-		case TNC_CONNECTION_STATE_HANDSHAKE:
-			if (imc_hcd->change_state(imc_hcd, connection_id, new_state,
-				&state) != TNC_RESULT_SUCCESS)
-			{
-				return TNC_RESULT_FATAL;
-			}
-			state->set_result(state, imc_id,
-							  TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
-			return TNC_RESULT_SUCCESS;
 		case TNC_CONNECTION_STATE_DELETE:
 			return imc_hcd->delete_state(imc_hcd, connection_id);
 		default:
@@ -348,7 +339,7 @@ static void add_certification_state(imc_msg_t *msg)
 	if (hex_string)
 	{
 		blob = chunk_from_hex(chunk_from_str(hex_string), NULL);
-	
+
 		DBG2(DBG_IMC, "  %N: %B", pwg_attr_names, PWG_HCD_CERTIFICATION_STATE,
 					&blob);
 		attr = generic_attr_chunk_create(blob,
@@ -373,7 +364,7 @@ static void add_configuration_state(imc_msg_t *msg)
 	if (hex_string)
 	{
 		blob = chunk_from_hex(chunk_from_str(hex_string), NULL);
-	
+
 		DBG2(DBG_IMC, "  %N: %B", pwg_attr_names, PWG_HCD_CONFIGURATION_STATE,
 					&blob);
 		attr = generic_attr_chunk_create(blob,
@@ -412,7 +403,7 @@ static void add_quadruple(imc_msg_t *msg, char *section, quadruple_t *quad)
 					"%s.plugins.imc-hcd.subtypes.%s.%s.%s.string_version",
 					"",	lib->ns, section, quad->section, app);
 		hex_version = lib->settings->get_str(lib->settings,
-					"%s.plugins.imc-hcd.subtypes.%s.%s.%s.version", 
+					"%s.plugins.imc-hcd.subtypes.%s.%s.%s.version",
 					hex_version_default, lib->ns, section, quad->section, app);
 
 		/* convert hex string into binary chunk */
diff --git a/src/libimcv/plugins/imc_hcd/imc_hcd_state.c b/src/libimcv/plugins/imc_hcd/imc_hcd_state.c
index 60ccdce81..b2207f28a 100644
--- a/src/libimcv/plugins/imc_hcd/imc_hcd_state.c
+++ b/src/libimcv/plugins/imc_hcd/imc_hcd_state.c
@@ -110,10 +110,14 @@ METHOD(imc_state_t, get_contracts, seg_contract_manager_t*,
 	return this->contracts;
 }
 
-METHOD(imc_state_t, change_state, void,
+METHOD(imc_state_t, change_state, TNC_ConnectionState,
 	private_imc_hcd_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imc_state_t, set_result, void,
@@ -134,6 +138,12 @@ METHOD(imc_state_t, get_result, bool,
 	return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
 }
 
+METHOD(imc_state_t, reset, void,
+	private_imc_hcd_state_t *this)
+{
+	this->result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+}
+
 METHOD(imc_state_t, destroy, void,
 	private_imc_hcd_state_t *this)
 {
@@ -161,6 +171,7 @@ imc_state_t *imc_hcd_state_create(TNC_ConnectionID connection_id)
 				.change_state = _change_state,
 				.set_result = _set_result,
 				.get_result = _get_result,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
 		},
diff --git a/src/libimcv/plugins/imc_os/Makefile.in b/src/libimcv/plugins/imc_os/Makefile.in
index e62c04bea..4821d43f7 100644
--- a/src/libimcv/plugins/imc_os/Makefile.in
+++ b/src/libimcv/plugins/imc_os/Makefile.in
@@ -308,7 +308,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -334,6 +333,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -354,8 +355,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -410,8 +409,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -440,8 +437,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
diff --git a/src/libimcv/plugins/imc_os/imc_os.c b/src/libimcv/plugins/imc_os/imc_os.c
index d7b508ab9..a10492e04 100644
--- a/src/libimcv/plugins/imc_os/imc_os.c
+++ b/src/libimcv/plugins/imc_os/imc_os.c
@@ -103,15 +103,6 @@ TNC_Result TNC_IMC_API TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
 		case TNC_CONNECTION_STATE_CREATE:
 			state = imc_os_state_create(connection_id);
 			return imc_os->create_state(imc_os, state);
-		case TNC_CONNECTION_STATE_HANDSHAKE:
-			if (imc_os->change_state(imc_os, connection_id, new_state,
-				&state) != TNC_RESULT_SUCCESS)
-			{
-				return TNC_RESULT_FATAL;
-			}
-			state->set_result(state, imc_id,
-							  TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
-			return TNC_RESULT_SUCCESS;
 		case TNC_CONNECTION_STATE_DELETE:
 			return imc_os->delete_state(imc_os, connection_id);
 		default:
diff --git a/src/libimcv/plugins/imc_os/imc_os_state.c b/src/libimcv/plugins/imc_os/imc_os_state.c
index a38696a81..d26454719 100644
--- a/src/libimcv/plugins/imc_os/imc_os_state.c
+++ b/src/libimcv/plugins/imc_os/imc_os_state.c
@@ -110,10 +110,14 @@ METHOD(imc_state_t, get_contracts, seg_contract_manager_t*,
 	return this->contracts;
 }
 
-METHOD(imc_state_t, change_state, void,
+METHOD(imc_state_t, change_state, TNC_ConnectionState,
 	private_imc_os_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imc_state_t, set_result, void,
@@ -134,6 +138,12 @@ METHOD(imc_state_t, get_result, bool,
 	return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
 }
 
+METHOD(imc_state_t, reset, void,
+	private_imc_os_state_t *this)
+{
+	this->result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+}
+
 METHOD(imc_state_t, destroy, void,
 	private_imc_os_state_t *this)
 {
@@ -161,6 +171,7 @@ imc_state_t *imc_os_state_create(TNC_ConnectionID connection_id)
 				.change_state = _change_state,
 				.set_result = _set_result,
 				.get_result = _get_result,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
 		},
diff --git a/src/libimcv/plugins/imc_scanner/Makefile.in b/src/libimcv/plugins/imc_scanner/Makefile.in
index a054a475b..c55ac867c 100644
--- a/src/libimcv/plugins/imc_scanner/Makefile.in
+++ b/src/libimcv/plugins/imc_scanner/Makefile.in
@@ -309,7 +309,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -335,6 +334,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -355,8 +356,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -411,8 +410,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -441,8 +438,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
diff --git a/src/libimcv/plugins/imc_scanner/imc_scanner.c b/src/libimcv/plugins/imc_scanner/imc_scanner.c
index 93ed4271b..c4fc254cf 100644
--- a/src/libimcv/plugins/imc_scanner/imc_scanner.c
+++ b/src/libimcv/plugins/imc_scanner/imc_scanner.c
@@ -85,15 +85,6 @@ TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
 		case TNC_CONNECTION_STATE_CREATE:
 			state = imc_scanner_state_create(connection_id);
 			return imc_scanner->create_state(imc_scanner, state);
-		case TNC_CONNECTION_STATE_HANDSHAKE:
-			if (imc_scanner->change_state(imc_scanner, connection_id, new_state,
-				&state) != TNC_RESULT_SUCCESS)
-			{
-				return TNC_RESULT_FATAL;
-			}
-			state->set_result(state, imc_id,
-							  TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
-			return TNC_RESULT_SUCCESS;
 		case TNC_CONNECTION_STATE_DELETE:
 			return imc_scanner->delete_state(imc_scanner, connection_id);
 		default:
diff --git a/src/libimcv/plugins/imc_scanner/imc_scanner_state.c b/src/libimcv/plugins/imc_scanner/imc_scanner_state.c
index c1b7a50e4..2a2214841 100644
--- a/src/libimcv/plugins/imc_scanner/imc_scanner_state.c
+++ b/src/libimcv/plugins/imc_scanner/imc_scanner_state.c
@@ -110,10 +110,14 @@ METHOD(imc_state_t, get_contracts, seg_contract_manager_t*,
 	return this->contracts;
 }
 
-METHOD(imc_state_t, change_state, void,
+METHOD(imc_state_t, change_state, TNC_ConnectionState,
 	private_imc_scanner_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imc_state_t, set_result, void,
@@ -134,6 +138,12 @@ METHOD(imc_state_t, get_result, bool,
 	return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
 }
 
+METHOD(imc_state_t, reset, void,
+	private_imc_scanner_state_t *this)
+{
+	this->result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+}
+
 METHOD(imc_state_t, destroy, void,
 	private_imc_scanner_state_t *this)
 {
@@ -161,6 +171,7 @@ imc_state_t *imc_scanner_state_create(TNC_ConnectionID connection_id)
 				.change_state = _change_state,
 				.set_result = _set_result,
 				.get_result = _get_result,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
 		},
diff --git a/src/libimcv/plugins/imc_swid/Makefile.am b/src/libimcv/plugins/imc_swid/Makefile.am
deleted file mode 100644
index 22f2e3762..000000000
--- a/src/libimcv/plugins/imc_swid/Makefile.am
+++ /dev/null
@@ -1,36 +0,0 @@
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diff --git a/src/libimcv/plugins/imc_swid/Makefile.in b/src/libimcv/plugins/imc_swid/Makefile.in
deleted file mode 100644
index f58935f2e..000000000
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-	  *config.status*) \
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-	}
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-	  $(MKDIR_P) "$(DESTDIR)$(swiddir)" || exit 1; \
-	fi; \
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-	done | $(am__base_list) | \
-	while read files; do \
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-	done
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-	  else \
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-	done >> $(top_builddir)/cscope.files
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-distclean-tags:
-	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
-
-distdir: $(DISTFILES)
-	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
-	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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-	  */*) $(MKDIR_P) `echo "$$dist_files" | \
-			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
-			   sort -u` ;; \
-	esac; \
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-	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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-	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
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-	  else \
-	    test -f "$(distdir)/$$file" \
-	    || cp -p $$d/$$file "$(distdir)/$$file" \
-	    || exit 1; \
-	  fi; \
-	done
-check-am: all-am
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-installdirs:
-	for dir in "$(DESTDIR)$(imcvdir)" "$(DESTDIR)$(swiddir)"; do \
-	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
-	done
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-	fi
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-	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
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-	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
-
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-	@echo "This command is intended for maintainers to use"
-	@echo "it deletes files that may require special tools to rebuild."
-clean: clean-am
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-
-.PRECIOUS: Makefile
-
-
-$(swid_tag) : $(regid)__strongSwan.swidtag.in
-	$(AM_V_GEN) \
-	sed \
-	-e "s:@VERSION_MAJOR@:$(PACKAGE_VERSION_MAJOR):" \
-	-e "s:@VERSION_MINOR@:$(PACKAGE_VERSION_MINOR):" \
-	-e "s:@VERSION_BUILD@:$(PACKAGE_VERSION_BUILD):" \
-	-e "s:@VERSION_REVIEW@:$(PACKAGE_VERSION_REVIEW):" \
-	$(srcdir)/$(regid)__strongSwan.swidtag.in > $@
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/src/libimcv/plugins/imc_swid/imc_swid.c b/src/libimcv/plugins/imc_swid/imc_swid.c
deleted file mode 100644
index 1468a59cc..000000000
--- a/src/libimcv/plugins/imc_swid/imc_swid.c
+++ /dev/null
@@ -1,417 +0,0 @@
-/*
- * Copyright (C) 2013-2017 Andreas Steffen
- * HSR Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- */
-
-#include "imc_swid_state.h"
-
-#include <imc/imc_agent.h>
-#include <imc/imc_msg.h>
-#include "tcg/seg/tcg_seg_attr_max_size.h"
-#include "tcg/seg/tcg_seg_attr_seg_env.h"
-#include "tcg/swid/tcg_swid_attr_req.h"
-#include "tcg/swid/tcg_swid_attr_tag_inv.h"
-#include "tcg/swid/tcg_swid_attr_tag_id_inv.h"
-#include "swid/swid_inventory.h"
-#include "swid/swid_error.h"
-
-#include <tncif_pa_subtypes.h>
-
-#include <pen/pen.h>
-#include <utils/debug.h>
-
-/* IMC definitions */
-
-static const char imc_name[] = "SWID";
-
-static pen_type_t msg_types[] = {
-	{ PEN_TCG, PA_SUBTYPE_TCG_SWID }
-};
-
-static imc_agent_t *imc_swid;
-
-/**
- * see section 3.8.1 of TCG TNC IF-IMC Specification 1.3
- */
-TNC_Result TNC_IMC_Initialize(TNC_IMCID imc_id,
-							  TNC_Version min_version,
-							  TNC_Version max_version,
-							  TNC_Version *actual_version)
-{
-	if (imc_swid)
-	{
-		DBG1(DBG_IMC, "IMC \"%s\" has already been initialized", imc_name);
-		return TNC_RESULT_ALREADY_INITIALIZED;
-	}
-	imc_swid = imc_agent_create(imc_name, msg_types, countof(msg_types),
-							  imc_id, actual_version);
-	if (!imc_swid)
-	{
-		return TNC_RESULT_FATAL;
-	}
-	if (min_version > TNC_IFIMC_VERSION_1 || max_version < TNC_IFIMC_VERSION_1)
-	{
-		DBG1(DBG_IMC, "no common IF-IMC version");
-		return TNC_RESULT_NO_COMMON_VERSION;
-	}
-	return TNC_RESULT_SUCCESS;
-}
-
-/**
- * see section 3.8.2 of TCG TNC IF-IMC Specification 1.3
- */
-TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
-										  TNC_ConnectionID connection_id,
-										  TNC_ConnectionState new_state)
-{
-	imc_state_t *state;
-
-	if (!imc_swid)
-	{
-		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
-		return TNC_RESULT_NOT_INITIALIZED;
-	}
-	switch (new_state)
-	{
-		case TNC_CONNECTION_STATE_CREATE:
-			state = imc_swid_state_create(connection_id);
-			return imc_swid->create_state(imc_swid, state);
-		case TNC_CONNECTION_STATE_HANDSHAKE:
-			if (imc_swid->change_state(imc_swid, connection_id, new_state,
-				&state) != TNC_RESULT_SUCCESS)
-			{
-				return TNC_RESULT_FATAL;
-			}
-			state->set_result(state, imc_id,
-							  TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
-			return TNC_RESULT_SUCCESS;
-		case TNC_CONNECTION_STATE_DELETE:
-			return imc_swid->delete_state(imc_swid, connection_id);
-		default:
-			return imc_swid->change_state(imc_swid, connection_id,
-										  new_state, NULL);
-	}
-}
-
-/**
- * see section 3.8.3 of TCG TNC IF-IMC Specification 1.3
- */
-TNC_Result TNC_IMC_BeginHandshake(TNC_IMCID imc_id,
-								  TNC_ConnectionID connection_id)
-{
-	imc_state_t *state;
-	imc_msg_t *out_msg;
-	pa_tnc_attr_t *attr;
-	seg_contract_t *contract;
-	seg_contract_manager_t *contracts;
-	size_t max_attr_size = SWID_MAX_ATTR_SIZE;
-	size_t max_seg_size;
-	char buf[BUF_LEN];
-	TNC_Result result = TNC_RESULT_SUCCESS;
-
-	if (!imc_swid)
-	{
-		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
-		return TNC_RESULT_NOT_INITIALIZED;
-	}
-	if (!imc_swid->get_state(imc_swid, connection_id, &state))
-	{
-		return TNC_RESULT_FATAL;
-	}
-
-	/* Determine maximum PA-TNC attribute segment size */
-	max_seg_size = state->get_max_msg_len(state) - PA_TNC_HEADER_SIZE
-												 - PA_TNC_ATTR_HEADER_SIZE
-												 - TCG_SEG_ATTR_SEG_ENV_HEADER;
-
-	/* Announce support of PA-TNC segmentation to IMV */
-	contract = seg_contract_create(msg_types[0], max_attr_size, max_seg_size,
-									 TRUE, imc_id, TRUE);
-	contract->get_info_string(contract, buf, BUF_LEN, TRUE);
-	DBG2(DBG_IMC, "%s", buf);
-	contracts = state->get_contracts(state);
-	contracts->add_contract(contracts, contract);
-	attr = tcg_seg_attr_max_size_create(max_attr_size, max_seg_size, TRUE);
-
-	/* send PA-TNC message with the excl flag not set */
-	out_msg = imc_msg_create(imc_swid, state, connection_id, imc_id,
-							 TNC_IMVID_ANY, msg_types[0]);
-	out_msg->add_attribute(out_msg, attr);
-	result = out_msg->send(out_msg, FALSE);
-	out_msg->destroy(out_msg);
-
-	return result;
-}
-
-/**
- * Add one or multiple SWID Inventory attributes to the send queue
- */
-static bool add_swid_inventory(imc_state_t *state, imc_msg_t *msg,
-							   uint32_t request_id, bool full_tags,
-							   swid_inventory_t *targets)
-{
-	pa_tnc_attr_t *attr, *attr_error;
-	imc_swid_state_t *swid_state;
-	swid_inventory_t *swid_inventory;
-	char *swid_directory;
-	uint32_t eid_epoch;
-	bool swid_pretty, swid_full;
-	enumerator_t *enumerator;
-
-	swid_directory = lib->settings->get_str(lib->settings,
-								"%s.plugins.imc-swid.swid_directory",
-								 SWID_DIRECTORY, lib->ns);
-	swid_pretty = lib->settings->get_bool(lib->settings,
-								"%s.plugins.imc-swid.swid_pretty",
-								 FALSE, lib->ns);
-	swid_full = lib->settings->get_bool(lib->settings,
-								"%s.plugins.imc-swid.swid_full",
-								 FALSE, lib->ns);
-
-	swid_inventory = swid_inventory_create(full_tags);
-	if (!swid_inventory->collect(swid_inventory, swid_directory, targets,
-								 swid_pretty, swid_full))
-	{
-		swid_inventory->destroy(swid_inventory);
-		attr_error = swid_error_create(TCG_SWID_ERROR, request_id,
-								 0, "error in SWID tag collection");
-		msg->add_attribute(msg, attr_error);
-		return FALSE;
-	}
-	DBG1(DBG_IMC, "collected %d SWID tag%s%s",
-		 swid_inventory->get_count(swid_inventory), full_tags ? "" : " ID",
-		 swid_inventory->get_count(swid_inventory) == 1 ? "" : "s");
-
-	swid_state = (imc_swid_state_t*)state;
-	eid_epoch = swid_state->get_eid_epoch(swid_state);
-
-	if (full_tags)
-	{
-		tcg_swid_attr_tag_inv_t *swid_attr;
-		swid_tag_t *tag;
-
-		/* Send a TCG SWID Tag Inventory attribute */
-		attr = tcg_swid_attr_tag_inv_create(request_id, eid_epoch, 1);
-		swid_attr = (tcg_swid_attr_tag_inv_t*)attr;
-
-		enumerator = swid_inventory->create_enumerator(swid_inventory);
-		while (enumerator->enumerate(enumerator, &tag))
-		{
-			swid_attr->add(swid_attr, tag->get_ref(tag));
-		}
-		enumerator->destroy(enumerator);
-	}
-	else
-	{
-		tcg_swid_attr_tag_id_inv_t *swid_id_attr;
-		swid_tag_id_t *tag_id;
-
-		/* Send a TCG SWID Tag ID Inventory attribute */
-		attr = tcg_swid_attr_tag_id_inv_create(request_id, eid_epoch, 1);
-		swid_id_attr = (tcg_swid_attr_tag_id_inv_t*)attr;
-
-		enumerator = swid_inventory->create_enumerator(swid_inventory);
-		while (enumerator->enumerate(enumerator, &tag_id))
-		{
-			swid_id_attr->add(swid_id_attr, tag_id->get_ref(tag_id));
-		}
-		enumerator->destroy(enumerator);
-	}
-
-	msg->add_attribute(msg, attr);
-	swid_inventory->destroy(swid_inventory);
-
-	return TRUE;
-}
-
-static TNC_Result receive_message(imc_state_t *state, imc_msg_t *in_msg)
-{
-	imc_msg_t *out_msg;
-	pa_tnc_attr_t *attr;
-	enumerator_t *enumerator;
-	pen_type_t type;
-	TNC_Result result;
-	bool fatal_error = FALSE;
-
-	/* generate an outgoing PA-TNC message - we might need it */
-	out_msg = imc_msg_create_as_reply(in_msg);
-
-	/* parse received PA-TNC message and handle local and remote errors */
-	result = in_msg->receive(in_msg, out_msg, &fatal_error);
-	if (result != TNC_RESULT_SUCCESS)
-	{
-		out_msg->destroy(out_msg);
-		return result;
-	}
-
-	/* analyze PA-TNC attributes */
-	enumerator = in_msg->create_attribute_enumerator(in_msg);
-	while (enumerator->enumerate(enumerator, &attr))
-	{
-		tcg_swid_attr_req_t *attr_req;
-		uint8_t flags;
-		uint32_t request_id;
-		bool full_tags;
-		swid_inventory_t *targets;
-
-		type = attr->get_type(attr);
-
-		if (type.vendor_id != PEN_TCG || type.type != TCG_SWID_REQUEST)
-		{
-			continue;
-		}
-
-		attr_req = (tcg_swid_attr_req_t*)attr;
-		flags = attr_req->get_flags(attr_req);
-		request_id = attr_req->get_request_id(attr_req);
-		targets = attr_req->get_targets(attr_req);
-
-		if (flags & (TCG_SWID_ATTR_REQ_FLAG_S | TCG_SWID_ATTR_REQ_FLAG_C))
-		{
-			attr = swid_error_create(TCG_SWID_SUBSCRIPTION_DENIED, request_id,
-									 0, "no subscription available yet");
-			out_msg->add_attribute(out_msg, attr);
-			break;
-		}
-		full_tags = (flags & TCG_SWID_ATTR_REQ_FLAG_R) == 0;
-
-		if (!add_swid_inventory(state, out_msg, request_id, full_tags, targets))
-		{
-			break;
-		}
-	}
-	enumerator->destroy(enumerator);
-
-	if (fatal_error)
-	{
-		result = TNC_RESULT_FATAL;
-	}
-	else
-	{
-		/* send PA-TNC message with the EXCL flag set */
-		result = out_msg->send(out_msg, TRUE);
-	}
-	out_msg->destroy(out_msg);
-
-	return result;
-}
-
-/**
- * see section 3.8.4 of TCG TNC IF-IMC Specification 1.3
-
- */
-TNC_Result TNC_IMC_ReceiveMessage(TNC_IMCID imc_id,
-								  TNC_ConnectionID connection_id,
-								  TNC_BufferReference msg,
-								  TNC_UInt32 msg_len,
-								  TNC_MessageType msg_type)
-{
-	imc_state_t *state;
-	imc_msg_t *in_msg;
-	TNC_Result result;
-
-	if (!imc_swid)
-	{
-		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
-		return TNC_RESULT_NOT_INITIALIZED;
-	}
-	if (!imc_swid->get_state(imc_swid, connection_id, &state))
-	{
-		return TNC_RESULT_FATAL;
-	}
-	in_msg = imc_msg_create_from_data(imc_swid, state, connection_id, msg_type,
-									  chunk_create(msg, msg_len));
-	result = receive_message(state, in_msg);
-	in_msg->destroy(in_msg);
-
-	return result;
-}
-
-/**
- * see section 3.8.6 of TCG TNC IF-IMV Specification 1.3
- */
-TNC_Result TNC_IMC_ReceiveMessageLong(TNC_IMCID imc_id,
-									  TNC_ConnectionID connection_id,
-									  TNC_UInt32 msg_flags,
-									  TNC_BufferReference msg,
-									  TNC_UInt32 msg_len,
-									  TNC_VendorID msg_vid,
-									  TNC_MessageSubtype msg_subtype,
-									  TNC_UInt32 src_imv_id,
-									  TNC_UInt32 dst_imc_id)
-{
-	imc_state_t *state;
-	imc_msg_t *in_msg;
-	TNC_Result result;
-
-	if (!imc_swid)
-	{
-		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
-		return TNC_RESULT_NOT_INITIALIZED;
-	}
-	if (!imc_swid->get_state(imc_swid, connection_id, &state))
-	{
-		return TNC_RESULT_FATAL;
-	}
-	in_msg = imc_msg_create_from_long_data(imc_swid, state, connection_id,
-								src_imv_id, dst_imc_id,msg_vid, msg_subtype,
-								chunk_create(msg, msg_len));
-	result =receive_message(state, in_msg);
-	in_msg->destroy(in_msg);
-
-	return result;
-}
-
-/**
- * see section 3.8.7 of TCG TNC IF-IMC Specification 1.3
- */
-TNC_Result TNC_IMC_BatchEnding(TNC_IMCID imc_id,
-							   TNC_ConnectionID connection_id)
-{
-	if (!imc_swid)
-	{
-		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
-		return TNC_RESULT_NOT_INITIALIZED;
-	}
-	return TNC_RESULT_SUCCESS;
-}
-
-/**
- * see section 3.8.8 of TCG TNC IF-IMC Specification 1.3
- */
-TNC_Result TNC_IMC_Terminate(TNC_IMCID imc_id)
-{
-	if (!imc_swid)
-	{
-		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
-		return TNC_RESULT_NOT_INITIALIZED;
-	}
-	imc_swid->destroy(imc_swid);
-	imc_swid = NULL;
-
-	return TNC_RESULT_SUCCESS;
-}
-
-/**
- * see section 4.2.8.1 of TCG TNC IF-IMC Specification 1.3
- */
-TNC_Result TNC_IMC_ProvideBindFunction(TNC_IMCID imc_id,
-									   TNC_TNCC_BindFunctionPointer bind_function)
-{
-	if (!imc_swid)
-	{
-		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
-		return TNC_RESULT_NOT_INITIALIZED;
-	}
-	return imc_swid->bind_functions(imc_swid, bind_function);
-}
diff --git a/src/libimcv/plugins/imc_swid/imc_swid_state.c b/src/libimcv/plugins/imc_swid/imc_swid_state.c
deleted file mode 100644
index 8d5e8e089..000000000
--- a/src/libimcv/plugins/imc_swid/imc_swid_state.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * Copyright (C) 2013-2014 Andreas Steffen
- * HSR Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- */
-
-#include "imc_swid_state.h"
-
-#include <tncif_names.h>
-
-#include <utils/debug.h>
-
-typedef struct private_imc_swid_state_t private_imc_swid_state_t;
-
-/**
- * Private data of an imc_swid_state_t object.
- */
-struct private_imc_swid_state_t {
-
-	/**
-	 * Public members of imc_swid_state_t
-	 */
-	imc_swid_state_t public;
-
-	/**
-	 * TNCCS connection ID
-	 */
-	TNC_ConnectionID connection_id;
-
-	/**
-	 * TNCCS connection state
-	 */
-	TNC_ConnectionState state;
-
-	/**
-	 * Assessment/Evaluation Result
-	 */
-	TNC_IMV_Evaluation_Result result;
-
-	/**
-	 * Does the TNCCS connection support long message types?
-	 */
-	bool has_long;
-
-	/**
-	 * Does the TNCCS connection support exclusive delivery?
-	 */
-	bool has_excl;
-
-	/**
-	 * Maximum PA-TNC message size for this TNCCS connection
-	 */
-	uint32_t max_msg_len;
-
-	/**
-	 * PA-TNC attribute segmentation contracts associated with TNCCS connection
-	 */
-	seg_contract_manager_t *contracts;
-
-	/**
-	 * Event ID Epoch
-	 */
-	uint32_t eid_epoch;
-};
-
-METHOD(imc_state_t, get_connection_id, TNC_ConnectionID,
-	private_imc_swid_state_t *this)
-{
-	return this->connection_id;
-}
-
-METHOD(imc_state_t, has_long, bool,
-	private_imc_swid_state_t *this)
-{
-	return this->has_long;
-}
-
-METHOD(imc_state_t, has_excl, bool,
-	private_imc_swid_state_t *this)
-{
-	return this->has_excl;
-}
-
-METHOD(imc_state_t, set_flags, void,
-	private_imc_swid_state_t *this, bool has_long, bool has_excl)
-{
-	this->has_long = has_long;
-	this->has_excl = has_excl;
-}
-
-METHOD(imc_state_t, set_max_msg_len, void,
-	private_imc_swid_state_t *this, uint32_t max_msg_len)
-{
-	this->max_msg_len = max_msg_len;
-}
-
-METHOD(imc_state_t, get_max_msg_len, uint32_t,
-	private_imc_swid_state_t *this)
-{
-	return this->max_msg_len;
-}
-
-METHOD(imc_state_t, get_contracts, seg_contract_manager_t*,
-	private_imc_swid_state_t *this)
-{
-	return this->contracts;
-}
-
-METHOD(imc_state_t, change_state, void,
-	private_imc_swid_state_t *this, TNC_ConnectionState new_state)
-{
-	this->state = new_state;
-}
-
-METHOD(imc_state_t, set_result, void,
-	private_imc_swid_state_t *this, TNC_IMCID id,
-	TNC_IMV_Evaluation_Result result)
-{
-	this->result = result;
-}
-
-METHOD(imc_state_t, get_result, bool,
-	private_imc_swid_state_t *this, TNC_IMCID id,
-	TNC_IMV_Evaluation_Result *result)
-{
-	if (result)
-	{
-		*result = this->result;
-	}
-	return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
-}
-
-METHOD(imc_state_t, destroy, void,
-	private_imc_swid_state_t *this)
-{
-	this->contracts->destroy(this->contracts);
-	free(this);
-}
-
-METHOD(imc_swid_state_t, get_eid_epoch, uint32_t,
-	private_imc_swid_state_t *this)
-{
-	return this->eid_epoch;
-}
-
-/**
- * Described in header.
- */
-imc_state_t *imc_swid_state_create(TNC_ConnectionID connection_id)
-{
-	private_imc_swid_state_t *this;
-	uint32_t eid_epoch;
-	nonce_gen_t *ng;
-
-	ng = lib->crypto->create_nonce_gen(lib->crypto);
-	if (!ng || !ng->get_nonce(ng, 4, (uint8_t*)&eid_epoch))
-	{
-		DBG1(DBG_TNC, "failed to generate random EID epoch value");
-		DESTROY_IF(ng);
-		return NULL;
-	}
-	ng->destroy(ng);
-
-	DBG1(DBG_IMC, "creating random EID epoch 0x%08x", eid_epoch);
-
-	INIT(this,
-		.public = {
-			.interface = {
-				.get_connection_id = _get_connection_id,
-				.has_long = _has_long,
-				.has_excl = _has_excl,
-				.set_flags = _set_flags,
-				.set_max_msg_len = _set_max_msg_len,
-				.get_max_msg_len = _get_max_msg_len,
-				.get_contracts = _get_contracts,
-				.change_state = _change_state,
-				.set_result = _set_result,
-				.get_result = _get_result,
-				.destroy = _destroy,
-			},
-			.get_eid_epoch = _get_eid_epoch,
-		},
-		.state = TNC_CONNECTION_STATE_CREATE,
-		.result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
-		.connection_id = connection_id,
-		.contracts = seg_contract_manager_create(),
-		.eid_epoch = eid_epoch,
-	);
-
-	
-	return &this->public.interface;
-}
-
-
diff --git a/src/libimcv/plugins/imc_swid/imc_swid_state.h b/src/libimcv/plugins/imc_swid/imc_swid_state.h
deleted file mode 100644
index c658549c8..000000000
--- a/src/libimcv/plugins/imc_swid/imc_swid_state.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Copyright (C) 2013 Andreas Steffen
- * HSR Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- */
-
-/**
- * @defgroup imc_swid imc_swid
- * @ingroup libimcv_plugins
- *
- * @defgroup imc_swid_state_t imc_swid_state
- * @{ @ingroup imc_swid
- */
-
-#ifndef IMC_SWID_STATE_H_
-#define IMC_SWID_STATE_H_
-
-#include <imc/imc_state.h>
-#include <library.h>
-
-typedef struct imc_swid_state_t imc_swid_state_t;
-
-/**
- * Internal state of an imc_swid_t connection instance
- */
-struct imc_swid_state_t {
-
-	/**
-	 * imc_state_t interface
-	 */
-	imc_state_t interface;
-
-	/**
-	 * Get Event ID Epoch
-	 *
-	 * @return			Event ID Epoch
-	 */
-	uint32_t (*get_eid_epoch)(imc_swid_state_t *this);
-
-};
-
-/**
- * Create an imc_swid_state_t instance
- *
- * @param id		connection ID
- */
-imc_state_t* imc_swid_state_create(TNC_ConnectionID id);
-
-#endif /** IMC_SWID_STATE_H_ @}*/
diff --git a/src/libimcv/plugins/imc_swid/strongswan.org__strongSwan.swidtag.in b/src/libimcv/plugins/imc_swid/strongswan.org__strongSwan.swidtag.in
deleted file mode 100644
index 0e5aa8d4d..000000000
--- a/src/libimcv/plugins/imc_swid/strongswan.org__strongSwan.swidtag.in
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<SoftwareIdentity
-  name="strongSwan"
-  tagId="strongSwan-@VERSION_MAJOR@-@VERSION_MINOR@-@VERSION_BUILD@@VERSION_REVIEW@"
-  version="@VERSION_MAJOR@.@VERSION_MINOR@.@VERSION_BUILD@@VERSION_REVIEW@" versionScheme="alphanumeric"
-  xmlns="http://standards.iso.org/iso/19770/-2/2015/schema.xsd">
-  <Entity
-    name="strongSwan Project"
-    regid="strongswan.org"
-    role="softwareCreator licensor tagCreator"/>
-</SoftwareIdentity>
diff --git a/src/libimcv/plugins/imc_swima/Makefile.am b/src/libimcv/plugins/imc_swima/Makefile.am
index 4a29e7949..e31f98d33 100644
--- a/src/libimcv/plugins/imc_swima/Makefile.am
+++ b/src/libimcv/plugins/imc_swima/Makefile.am
@@ -19,11 +19,13 @@ $(swid_tag) : $(regid)__strongSwan.swidtag.in
 AM_CPPFLAGS = \
 	-I$(top_srcdir)/src/libstrongswan \
 	-I$(top_srcdir)/src/libtncif \
-	-I$(top_srcdir)/src/libimcv
+	-I$(top_srcdir)/src/libimcv \
+	-DSW_COLLECTOR=\"${prefix}/sbin/sw-collector\"
 
 AM_CFLAGS = \
 	$(PLUGIN_CFLAGS) $(json_CFLAGS)
 
+
 imcv_LTLIBRARIES = imc-swima.la
 
 imc_swima_la_LIBADD = \
diff --git a/src/libimcv/plugins/imc_swima/Makefile.in b/src/libimcv/plugins/imc_swima/Makefile.in
index ed2191921..62805151e 100644
--- a/src/libimcv/plugins/imc_swima/Makefile.in
+++ b/src/libimcv/plugins/imc_swima/Makefile.in
@@ -311,7 +311,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -337,6 +336,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -357,8 +358,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -413,8 +412,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -443,8 +440,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
@@ -460,7 +461,8 @@ CLEANFILES = $(regid)__strongSwan*.swidtag
 AM_CPPFLAGS = \
 	-I$(top_srcdir)/src/libstrongswan \
 	-I$(top_srcdir)/src/libtncif \
-	-I$(top_srcdir)/src/libimcv
+	-I$(top_srcdir)/src/libimcv \
+	-DSW_COLLECTOR=\"${prefix}/sbin/sw-collector\"
 
 AM_CFLAGS = \
 	$(PLUGIN_CFLAGS) $(json_CFLAGS)
diff --git a/src/libimcv/plugins/imc_swima/imc_swima.c b/src/libimcv/plugins/imc_swima/imc_swima.c
index 67080e050..be258d335 100644
--- a/src/libimcv/plugins/imc_swima/imc_swima.c
+++ b/src/libimcv/plugins/imc_swima/imc_swima.c
@@ -30,6 +30,17 @@
 #include <pen/pen.h>
 #include <utils/debug.h>
 
+#include <errno.h>
+#include <poll.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/inotify.h>
+#include <unistd.h>
+
+#ifndef SW_COLLECTOR
+#define SW_COLLECTOR NULL
+#endif
+
 /* IMC definitions */
 
 static const char imc_name[] = "SWIMA";
@@ -68,6 +79,75 @@ TNC_Result TNC_IMC_Initialize(TNC_IMCID imc_id,
 }
 
 /**
+ * Poll for IN_CLOSE_WRITE event on the apt history.log
+ */
+static bool poll_history_log(void)
+{
+	int fd, wd, res;
+	nfds_t nfds;
+	struct pollfd fds[1];
+	char *history_path;
+	bool success = FALSE;
+
+	history_path = lib->settings->get_str(lib->settings, "sw-collector.history",
+										  NULL);
+	if (!history_path)
+	{
+		DBG1(DBG_IMC, "sw-collector.history path not set");
+		return FALSE;
+	}
+
+	/* Create the file descriptor for accessing the inotify API */
+	fd = inotify_init1(IN_NONBLOCK);
+	if (fd == -1)
+	{
+		DBG1(DBG_IMC, "inotify file descriptor could not be created");
+		return FALSE;
+	}
+
+	/* Watch for CLOSE_WRITE events on history log */
+	wd = inotify_add_watch(fd, history_path, IN_CLOSE_WRITE);
+	if (wd == -1)
+	{
+		DBG1(DBG_IMC, "cannot watch '%s'", history_path);
+		goto end;
+	}
+
+	/* Prepare for polling */
+	nfds = 1;
+
+	/* Inotify input */
+	fds[0].fd = fd;
+	fds[0].events = POLLIN;
+
+	while (1)
+	{
+		DBG1(DBG_IMC, "  waiting for write event on history.log ...");
+
+		res = poll(fds, nfds, -1);
+		if (res == -1)
+		{
+			DBG1(DBG_IMC, "  poll failed: %s", strerror(errno));
+			if (errno == EINTR)
+			{
+				continue;
+			}
+			goto end;
+		}
+		if (res > 0 &&	fds[0].revents & POLLIN)
+		{
+			DBG1(DBG_IMC, "  poll successful");
+			success = TRUE;
+			break;
+		}
+	}
+
+end:
+	close(fd);
+	return success;
+}
+
+/**
  * see section 3.8.2 of TCG TNC IF-IMC Specification 1.3
  */
 TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
@@ -75,6 +155,11 @@ TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
 										  TNC_ConnectionState new_state)
 {
 	imc_state_t *state;
+	imc_swima_state_t *swima_state;
+	imc_swima_subscription_t *subscription;
+	TNC_IMV_Evaluation_Result res;
+	TNC_Result result;
+	uint32_t eid, eid_epoch;
 
 	if (!imc_swima)
 	{
@@ -86,14 +171,42 @@ TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
 		case TNC_CONNECTION_STATE_CREATE:
 			state = imc_swima_state_create(connection_id);
 			return imc_swima->create_state(imc_swima, state);
-		case TNC_CONNECTION_STATE_HANDSHAKE:
-			if (imc_swima->change_state(imc_swima, connection_id, new_state,
-				&state) != TNC_RESULT_SUCCESS)
+		case TNC_CONNECTION_STATE_ACCESS_ALLOWED:
+		case TNC_CONNECTION_STATE_ACCESS_ISOLATED:
+		case TNC_CONNECTION_STATE_ACCESS_NONE:
+			/* get updated IMC state */
+			result = imc_swima->change_state(imc_swima, connection_id,
+											 new_state, &state);
+			if (result != TNC_RESULT_SUCCESS)
 			{
 				return TNC_RESULT_FATAL;
 			}
-			state->set_result(state, imc_id,
-							  TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
+			swima_state = (imc_swima_state_t*)state;
+
+			/* do a handshake retry? */
+			if (swima_state->get_subscription(swima_state, &subscription))
+			{
+				/* update earliest EID in subscription target */
+				if (state->get_result(state, imc_id, &res) &&
+					res == TNC_IMV_EVALUATION_RESULT_COMPLIANT)
+				{
+					eid = subscription->targets->get_eid(subscription->targets,
+												   &eid_epoch);
+					if (eid > 0)
+					{
+						eid = swima_state->get_earliest_eid(swima_state);
+						subscription->targets->set_eid(subscription->targets, eid,
+													   eid_epoch);
+					}
+				}
+				DBG1(DBG_IMC, "SWIMA subscription %u:", subscription->request_id);
+				if (!poll_history_log())
+				{
+					return TNC_RESULT_FATAL;
+				}
+				return imc_swima->request_handshake_retry(imc_id, connection_id,
+												TNC_RETRY_REASON_IMC_PERIODIC);
+			}
 			return TNC_RESULT_SUCCESS;
 		case TNC_CONNECTION_STATE_DELETE:
 			return imc_swima->delete_state(imc_swima, connection_id);
@@ -104,61 +217,11 @@ TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
 }
 
 /**
- * see section 3.8.3 of TCG TNC IF-IMC Specification 1.3
- */
-TNC_Result TNC_IMC_BeginHandshake(TNC_IMCID imc_id,
-								  TNC_ConnectionID connection_id)
-{
-	imc_state_t *state;
-	imc_msg_t *out_msg;
-	pa_tnc_attr_t *attr;
-	seg_contract_t *contract;
-	seg_contract_manager_t *contracts;
-	size_t max_attr_size = SWIMA_MAX_ATTR_SIZE;
-	size_t max_seg_size;
-	char buf[BUF_LEN];
-	TNC_Result result = TNC_RESULT_SUCCESS;
-
-	if (!imc_swima)
-	{
-		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
-		return TNC_RESULT_NOT_INITIALIZED;
-	}
-	if (!imc_swima->get_state(imc_swima, connection_id, &state))
-	{
-		return TNC_RESULT_FATAL;
-	}
-
-	/* Determine maximum PA-TNC attribute segment size */
-	max_seg_size = state->get_max_msg_len(state) - PA_TNC_HEADER_SIZE
-												 - PA_TNC_ATTR_HEADER_SIZE
-												 - TCG_SEG_ATTR_SEG_ENV_HEADER;
-
-	/* Announce support of PA-TNC segmentation to IMV */
-	contract = seg_contract_create(msg_types[0], max_attr_size, max_seg_size,
-								   TRUE, imc_id, TRUE);
-	contract->get_info_string(contract, buf, BUF_LEN, TRUE);
-	DBG2(DBG_IMC, "%s", buf);
-	contracts = state->get_contracts(state);
-	contracts->add_contract(contracts, contract);
-	attr = tcg_seg_attr_max_size_create(max_attr_size, max_seg_size, TRUE);
-
-	/* send PA-TNC message with the excl flag not set */
-	out_msg = imc_msg_create(imc_swima, state, connection_id, imc_id,
-							 TNC_IMVID_ANY, msg_types[0]);
-	out_msg->add_attribute(out_msg, attr);
-	result = out_msg->send(out_msg, FALSE);
-	out_msg->destroy(out_msg);
-
-	return result;
-}
-
-/**
  * Add SWID Inventory or Event attribute to the send queue
  */
 static void fulfill_request(imc_state_t *state, imc_msg_t *msg,
-							uint32_t request_id, bool sw_id_only,
-							swima_inventory_t *targets)
+							   uint32_t request_id, bool sw_id_only,
+							   swima_inventory_t *targets)
 {
 	pa_tnc_attr_t *attr;
 	swima_collector_t  *collector;
@@ -174,6 +237,8 @@ static void fulfill_request(imc_state_t *state, imc_msg_t *msg,
 	{
 		swima_events_t *sw_ev;
 		ietf_swima_attr_sw_ev_t *sw_ev_attr;
+		imc_swima_state_t *swima_state;
+		uint32_t eid_epoch, last_eid = 0;
 
 		sw_ev = collector->collect_events(collector, sw_id_only, targets);
 		if (!sw_ev)
@@ -185,8 +250,14 @@ static void fulfill_request(imc_state_t *state, imc_msg_t *msg,
 		}
 		else {
 			items = sw_ev->get_count(sw_ev);
-			DBG1(DBG_IMC, "collected %d SW%s event%s", items, id_str,
-													   items == 1 ? "" : "s");
+			last_eid = sw_ev->get_eid(sw_ev, &eid_epoch, NULL);
+
+			DBG1(DBG_IMC, "collected %d SW%s event%s at last eid %d of epoch 0x%08x",
+				 items, id_str, items == 1 ? "" : "s", last_eid, eid_epoch);
+
+			/* Store the earliest EID for the next subscription round */
+			swima_state = (imc_swima_state_t*)state;
+			swima_state->set_earliest_eid(swima_state, last_eid + 1);
 
 			/* Send an IETF SW [Identity] Events attribute */
 			attr = ietf_swima_attr_sw_ev_create(IETF_SWIMA_ATTR_SW_INV_FLAG_NONE,
@@ -226,9 +297,78 @@ static void fulfill_request(imc_state_t *state, imc_msg_t *msg,
 	collector->destroy(collector);
 }
 
+/**
+ * see section 3.8.3 of TCG TNC IF-IMC Specification 1.3
+ */
+TNC_Result TNC_IMC_BeginHandshake(TNC_IMCID imc_id,
+								  TNC_ConnectionID connection_id)
+{
+	imc_state_t *state;
+	imc_swima_state_t *swima_state;
+	imc_msg_t *out_msg;
+	pa_tnc_attr_t *attr;
+	seg_contract_t *contract;
+	seg_contract_manager_t *contracts;
+	imc_swima_subscription_t *subscription;
+	size_t max_attr_size = SWIMA_MAX_ATTR_SIZE;
+	size_t max_seg_size;
+	char buf[BUF_LEN];
+	TNC_Result result = TNC_RESULT_SUCCESS;
+
+	if (!imc_swima)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+	if (!imc_swima->get_state(imc_swima, connection_id, &state))
+	{
+		return TNC_RESULT_FATAL;
+	}
+	swima_state = (imc_swima_state_t*)state;
+
+	if (swima_state->get_subscription(swima_state, &subscription))
+	{
+		if (system(SW_COLLECTOR) != 0)
+		{
+			DBG1(DBG_IMC, "calling %s failed", SW_COLLECTOR);
+			return TNC_RESULT_FATAL;
+		}
+		out_msg = imc_msg_create(imc_swima, state, connection_id, imc_id,
+								 subscription->imv_id, msg_types[0]);
+		fulfill_request(state, out_msg, subscription->request_id,
+						subscription->sw_id_only, subscription->targets);
+	}
+	else
+	{
+		/* Determine maximum PA-TNC attribute segment size */
+		max_seg_size = state->get_max_msg_len(state) - PA_TNC_HEADER_SIZE
+													 - PA_TNC_ATTR_HEADER_SIZE
+												 - TCG_SEG_ATTR_SEG_ENV_HEADER;
+
+		/* Announce support of PA-TNC segmentation to IMV */
+		contract = seg_contract_create(msg_types[0], max_attr_size, max_seg_size,
+									   TRUE, imc_id, TRUE);
+		contract->get_info_string(contract, buf, BUF_LEN, TRUE);
+		DBG2(DBG_IMC, "%s", buf);
+		contracts = state->get_contracts(state);
+		contracts->add_contract(contracts, contract);
+		attr = tcg_seg_attr_max_size_create(max_attr_size, max_seg_size, TRUE);
+
+		/* send PA-TNC message with the excl flag not set */
+		out_msg = imc_msg_create(imc_swima, state, connection_id, imc_id,
+								 TNC_IMVID_ANY, msg_types[0]);
+		out_msg->add_attribute(out_msg, attr);
+	}
+	result = out_msg->send(out_msg, FALSE);
+	out_msg->destroy(out_msg);
+
+	return result;
+}
+
 static TNC_Result receive_message(imc_state_t *state, imc_msg_t *in_msg)
 {
 	imc_msg_t *out_msg;
+	imc_swima_state_t *swima_state;
 	pa_tnc_attr_t *attr;
 	enumerator_t *enumerator;
 	pen_type_t type;
@@ -255,7 +395,6 @@ static TNC_Result receive_message(imc_state_t *state, imc_msg_t *in_msg)
 		uint32_t request_id;
 		bool sw_id_only;
 		swima_inventory_t *targets;
-
 		type = attr->get_type(attr);
 
 		if (type.vendor_id != PEN_IETF || type.type != IETF_ATTR_SWIMA_REQUEST)
@@ -267,15 +406,55 @@ static TNC_Result receive_message(imc_state_t *state, imc_msg_t *in_msg)
 		flags = attr_req->get_flags(attr_req);
 		request_id = attr_req->get_request_id(attr_req);
 		targets = attr_req->get_targets(attr_req);
+		sw_id_only = (flags & IETF_SWIMA_ATTR_REQ_FLAG_R);
 
 		if (flags & (IETF_SWIMA_ATTR_REQ_FLAG_S | IETF_SWIMA_ATTR_REQ_FLAG_C))
 		{
-			attr = swima_error_create(PA_ERROR_SWIMA_SUBSCRIPTION_DENIED,
-						request_id, 0, "no subscription available yet");
-			out_msg->add_attribute(out_msg, attr);
-			break;
+			if (imc_swima->has_pt_tls(imc_swima) &&
+				lib->settings->get_bool(lib->settings,
+					"%s.plugins.imc-swima.subscriptions", FALSE, lib->ns))
+			{
+				imc_swima_subscription_t *subscription;
+
+				swima_state = (imc_swima_state_t*)state;
+
+				if (flags & IETF_SWIMA_ATTR_REQ_FLAG_C)
+				{
+					if (swima_state->get_subscription(swima_state, &subscription))
+					{
+						DBG1(DBG_IMC, "SWIMA subscription %u cleared",
+									   subscription->request_id);
+						swima_state->set_subscription(swima_state, NULL, FALSE);
+					}
+				}
+				else
+				{
+					INIT(subscription,
+						.imv_id = in_msg->get_src_id(in_msg),
+						.request_id = request_id,
+						.targets = targets->get_ref(targets),
+						.sw_id_only = sw_id_only,
+					);
+
+					swima_state->set_subscription(swima_state, subscription,
+												  TRUE);
+					DBG1(DBG_IMC, "SWIMA subscription %u established",
+								   subscription->request_id);
+					if (system(SW_COLLECTOR) != 0)
+					{
+						DBG1(DBG_IMC, "calling %s failed", SW_COLLECTOR);
+						out_msg->destroy(out_msg);
+						return TNC_RESULT_FATAL;
+					}
+				}
+			}
+			else
+			{
+				attr = swima_error_create(PA_ERROR_SWIMA_SUBSCRIPTION_DENIED,
+							request_id, 0, "subscriptions not enabled");
+				out_msg->add_attribute(out_msg, attr);
+			}
 		}
-		sw_id_only = (flags & IETF_SWIMA_ATTR_REQ_FLAG_R);
 
 		fulfill_request(state, out_msg, request_id, sw_id_only, targets);
 		break;
diff --git a/src/libimcv/plugins/imc_swima/imc_swima_state.c b/src/libimcv/plugins/imc_swima/imc_swima_state.c
index 70b2434a4..55d887055 100644
--- a/src/libimcv/plugins/imc_swima/imc_swima_state.c
+++ b/src/libimcv/plugins/imc_swima/imc_swima_state.c
@@ -65,8 +65,33 @@ struct private_imc_swima_state_t {
 	 * PA-TNC attribute segmentation contracts associated with TNCCS connection
 	 */
 	seg_contract_manager_t *contracts;
+
+	/**
+	 * Has a subscription been established?
+	 */
+	bool has_subscription;
+
+	/**
+	 * State information on subscriptions
+	 */
+	imc_swima_subscription_t *subscription;
+
+	/**
+	 * Earliest EID for the next subscription round
+	 */
+	uint32_t earliest_eid;
+
 };
 
+static void free_subscription(imc_swima_subscription_t *this)
+{
+	if (this)
+	{
+		this->targets->destroy(this->targets);
+		free(this);
+	}
+}
+
 METHOD(imc_state_t, get_connection_id, TNC_ConnectionID,
 	private_imc_swima_state_t *this)
 {
@@ -110,10 +135,14 @@ METHOD(imc_state_t, get_contracts, seg_contract_manager_t*,
 	return this->contracts;
 }
 
-METHOD(imc_state_t, change_state, void,
+METHOD(imc_state_t, change_state, TNC_ConnectionState,
 	private_imc_swima_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imc_state_t, set_result, void,
@@ -134,13 +163,59 @@ METHOD(imc_state_t, get_result, bool,
 	return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
 }
 
+METHOD(imc_state_t, reset, void,
+	private_imc_swima_state_t *this)
+{
+	this->result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+}
+
 METHOD(imc_state_t, destroy, void,
 	private_imc_swima_state_t *this)
 {
+	free(this->subscription);
 	this->contracts->destroy(this->contracts);
 	free(this);
 }
 
+METHOD(imc_swima_state_t, set_subscription, void,
+	private_imc_swima_state_t *this, imc_swima_subscription_t *subscription,
+	bool set)
+{
+	free_subscription(this->subscription);
+	this->has_subscription = set;
+
+	if (set)
+	{
+		this->subscription = subscription;
+	}
+	else
+	{
+		this->subscription = NULL;
+	}
+}
+
+METHOD(imc_swima_state_t, get_subscription, bool,
+	private_imc_swima_state_t *this, imc_swima_subscription_t **subscription)
+{
+	if (subscription)
+	{
+		*subscription = this->subscription;
+	}
+	return this->has_subscription;
+}
+
+METHOD(imc_swima_state_t, set_earliest_eid, void,
+	private_imc_swima_state_t *this, uint32_t eid)
+{
+	this->earliest_eid = eid;
+}
+
+METHOD(imc_swima_state_t, get_earliest_eid, uint32_t,
+	private_imc_swima_state_t *this)
+{
+	return this->earliest_eid;
+}
+
 /**
  * Described in header.
  */
@@ -161,15 +236,20 @@ imc_state_t *imc_swima_state_create(TNC_ConnectionID connection_id)
 				.change_state = _change_state,
 				.set_result = _set_result,
 				.get_result = _get_result,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
+			.set_subscription = _set_subscription,
+			.get_subscription = _get_subscription,
+			.set_earliest_eid = _set_earliest_eid,
+			.get_earliest_eid = _get_earliest_eid,
 		},
 		.state = TNC_CONNECTION_STATE_CREATE,
 		.result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
 		.connection_id = connection_id,
 		.contracts = seg_contract_manager_create(),
 	);
-	
+
 	return &this->public.interface;
 }
 
diff --git a/src/libimcv/plugins/imc_swima/imc_swima_state.h b/src/libimcv/plugins/imc_swima/imc_swima_state.h
index 4e4e3b1bf..92a674ff8 100644
--- a/src/libimcv/plugins/imc_swima/imc_swima_state.h
+++ b/src/libimcv/plugins/imc_swima/imc_swima_state.h
@@ -25,9 +25,38 @@
 #define IMC_SWIMA_STATE_H_
 
 #include <imc/imc_state.h>
+#include <swima/swima_inventory.h>
 #include <library.h>
 
 typedef struct imc_swima_state_t imc_swima_state_t;
+typedef struct imc_swima_subscription_t imc_swima_subscription_t;
+
+/**
+ * State information on subscriptions
+ */
+struct imc_swima_subscription_t {
+
+	/**
+	 * IMV which sent the subscription request
+	  */
+	TNC_IMVID imv_id;
+
+	/**
+	 * SWIMA Request ID
+	 */
+	uint32_t request_id;
+
+	/**
+	 * SWIMA Request targets
+	 */
+	swima_inventory_t *targets;
+
+	/**
+	 * Retrieve SW Identifieres only
+	 */
+	bool sw_id_only;
+
+};
 
 /**
  * Internal state of an imc_swima_t connection instance
@@ -39,6 +68,37 @@ struct imc_swima_state_t {
 	 */
 	imc_state_t interface;
 
+	/**
+	 * Set or clear a subscription
+	 *
+	 * @param subscription		state information on subscription
+	 * @param set				TRUE sets and FALSE clears a subscripton
+	 */
+	void (*set_subscription)(imc_swima_state_t *this,
+							 imc_swima_subscription_t *subscription, bool set);
+
+	/**
+	 * Get the subscription status
+	 *
+	 * @param subscription		state information on subscription
+	 * @return					TRUE if subscription is set
+	 */
+	bool (*get_subscription)(imc_swima_state_t *this,
+							 imc_swima_subscription_t**subscription);
+
+	/**
+	 * Set the earliest EID for the next subscription round
+	 *
+	 * @param eid				Earliest EID for events or 0 for inventories
+	 */
+	void (*set_earliest_eid)(imc_swima_state_t *this, uint32_t eid);
+
+	/**
+	 * Get earliest EID for the next subscription round
+	 *
+	 * @return					Earliest EID for events or 0 for inventories
+	 */
+	uint32_t (*get_earliest_eid)(imc_swima_state_t *this);
 };
 
 /**
diff --git a/src/libimcv/plugins/imc_swima/strongswan.org__strongSwan-5-6-3.swidtag b/src/libimcv/plugins/imc_swima/strongswan.org__strongSwan-5-6-3.swidtag
deleted file mode 100644
index 4ce168623..000000000
--- a/src/libimcv/plugins/imc_swima/strongswan.org__strongSwan-5-6-3.swidtag
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<SoftwareIdentity
-  name="strongSwan"
-  tagId="strongSwan-5-6-3"
-  version="5.6.3" versionScheme="alphanumeric"
-  xmlns="http://standards.iso.org/iso/19770/-2/2015/schema.xsd">
-  <Entity
-    name="strongSwan Project"
-    regid="strongswan.org"
-    role="softwareCreator licensor tagCreator"/>
-</SoftwareIdentity>
diff --git a/src/libimcv/plugins/imc_swid/strongswan.org__strongSwan-5-6-3.swidtag b/src/libimcv/plugins/imc_swima/strongswan.org__strongSwan-5-7-0.swidtag
index 4ce168623..fa6e121b5 100644
--- a/src/libimcv/plugins/imc_swid/strongswan.org__strongSwan-5-6-3.swidtag
+++ b/src/libimcv/plugins/imc_swima/strongswan.org__strongSwan-5-7-0.swidtag
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <SoftwareIdentity
   name="strongSwan"
-  tagId="strongSwan-5-6-3"
-  version="5.6.3" versionScheme="alphanumeric"
+  tagId="strongSwan-5-7-0"
+  version="5.7.0" versionScheme="alphanumeric"
   xmlns="http://standards.iso.org/iso/19770/-2/2015/schema.xsd">
   <Entity
     name="strongSwan Project"
diff --git a/src/libimcv/plugins/imc_test/Makefile.in b/src/libimcv/plugins/imc_test/Makefile.in
index fc6d2f6fb..2231f93bc 100644
--- a/src/libimcv/plugins/imc_test/Makefile.in
+++ b/src/libimcv/plugins/imc_test/Makefile.in
@@ -308,7 +308,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -334,6 +333,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -354,8 +355,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -410,8 +409,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -440,8 +437,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
diff --git a/src/libimcv/plugins/imc_test/imc_test_state.c b/src/libimcv/plugins/imc_test/imc_test_state.c
index 047c82502..86d59a76a 100644
--- a/src/libimcv/plugins/imc_test/imc_test_state.c
+++ b/src/libimcv/plugins/imc_test/imc_test_state.c
@@ -141,10 +141,14 @@ METHOD(imc_state_t, get_contracts, seg_contract_manager_t*,
 	return this->contracts;
 }
 
-METHOD(imc_state_t, change_state, void,
+METHOD(imc_state_t, change_state, TNC_ConnectionState,
 	private_imc_test_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imc_state_t, set_result, void,
@@ -202,6 +206,12 @@ METHOD(imc_state_t, get_result, bool,
 	return eval != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
 }
 
+METHOD(imc_state_t, reset, void,
+	private_imc_test_state_t *this)
+{
+	/* nothing to reset */
+}
+
 METHOD(imc_state_t, destroy, void,
 	private_imc_test_state_t *this)
 {
@@ -277,6 +287,7 @@ imc_state_t *imc_test_state_create(TNC_ConnectionID connection_id,
 				.change_state = _change_state,
 				.set_result = _set_result,
 				.get_result = _get_result,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
 			.get_command = _get_command,
diff --git a/src/libimcv/plugins/imv_attestation/Makefile.in b/src/libimcv/plugins/imv_attestation/Makefile.in
index f9eb9d6ed..98930d3f3 100644
--- a/src/libimcv/plugins/imv_attestation/Makefile.in
+++ b/src/libimcv/plugins/imv_attestation/Makefile.in
@@ -322,7 +322,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -348,6 +347,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -368,8 +369,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -424,8 +423,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -454,8 +451,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
diff --git a/src/libimcv/plugins/imv_attestation/attest_db.c b/src/libimcv/plugins/imv_attestation/attest_db.c
index fb894f393..bc435df7f 100644
--- a/src/libimcv/plugins/imv_attestation/attest_db.c
+++ b/src/libimcv/plugins/imv_attestation/attest_db.c
@@ -187,7 +187,7 @@ char* print_cfn(pts_comp_func_name_t *cfn)
 	int type, vid, name, qualifier, n;
 	enum_name_t *names, *types;
 
-	vid = cfn->get_vendor_id(cfn),
+	vid = cfn->get_vendor_id(cfn);
 	name = cfn->get_name(cfn);
 	qualifier = cfn->get_qualifier(cfn);
 	n = snprintf(buf, BUF_LEN, "0x%06x/0x%08x-0x%02x", vid, name, qualifier);
diff --git a/src/libimcv/plugins/imv_attestation/imv_attestation_state.c b/src/libimcv/plugins/imv_attestation/imv_attestation_state.c
index d63940797..3d9e0ab1f 100644
--- a/src/libimcv/plugins/imv_attestation/imv_attestation_state.c
+++ b/src/libimcv/plugins/imv_attestation/imv_attestation_state.c
@@ -250,10 +250,14 @@ METHOD(imv_state_t, get_contracts, seg_contract_manager_t*,
 	return this->contracts;
 }
 
-METHOD(imv_state_t, change_state, void,
+METHOD(imv_state_t, change_state, TNC_ConnectionState,
 	private_imv_attestation_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imv_state_t, get_recommendation, void,
@@ -338,6 +342,24 @@ METHOD(imv_state_t, get_remediation_instructions, bool,
 	return FALSE;
 }
 
+METHOD(imv_state_t, reset, void,
+	private_imv_attestation_state_t *this)
+{
+	DESTROY_IF(this->reason_string);
+	this->reason_string = NULL;
+	this->rec  = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION;
+	this->eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+
+	this->action_flags = 0;
+
+	this->handshake_state = IMV_ATTESTATION_STATE_INIT;
+	this->measurement_error = 0;
+	this->components->destroy_function(this->components, (void *)free_func_comp);
+	this->components = linked_list_create();
+	this->pts->destroy(this->pts);
+	this->pts = pts_create(FALSE);
+}
+
 METHOD(imv_state_t, destroy, void,
 	private_imv_attestation_state_t *this)
 {
@@ -532,6 +554,7 @@ imv_state_t *imv_attestation_state_create(TNC_ConnectionID connection_id)
 				.update_recommendation = _update_recommendation,
 				.get_reason_string = _get_reason_string,
 				.get_remediation_instructions = _get_remediation_instructions,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
 			.get_handshake_state = _get_handshake_state,
diff --git a/src/libimcv/plugins/imv_hcd/Makefile.in b/src/libimcv/plugins/imv_hcd/Makefile.in
index 99bf6d916..7bf503e0c 100644
--- a/src/libimcv/plugins/imv_hcd/Makefile.in
+++ b/src/libimcv/plugins/imv_hcd/Makefile.in
@@ -308,7 +308,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -334,6 +333,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -354,8 +355,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -410,8 +409,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -440,8 +437,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
diff --git a/src/libimcv/plugins/imv_hcd/imv_hcd_state.c b/src/libimcv/plugins/imv_hcd/imv_hcd_state.c
index bfe6dd619..e2b6eaed9 100644
--- a/src/libimcv/plugins/imv_hcd/imv_hcd_state.c
+++ b/src/libimcv/plugins/imv_hcd/imv_hcd_state.c
@@ -213,10 +213,14 @@ METHOD(imv_state_t, update_recommendation, void,
 	this->eval = tncif_policy_update_evaluation(this->eval, eval);
 }
 
-METHOD(imv_state_t, change_state, void,
+METHOD(imv_state_t, change_state, TNC_ConnectionState,
 	private_imv_hcd_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imv_state_t, get_reason_string, bool,
@@ -246,6 +250,24 @@ METHOD(imv_state_t, get_remediation_instructions, bool,
 	return FALSE;
 }
 
+METHOD(imv_state_t, reset, void,
+	private_imv_hcd_state_t *this)
+{
+	DESTROY_IF(this->reason_string);
+	this->reason_string = NULL;
+	this->rec  = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION;
+	this->eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+
+	this->handshake_state = IMV_HCD_STATE_INIT;
+	this->subtype_action_flags[0].action_flags = IMV_HCD_ATTR_NONE;
+	this->subtype_action_flags[1].action_flags = IMV_HCD_ATTR_SYSTEM_ONLY;
+	this->subtype_action_flags[2].action_flags = IMV_HCD_ATTR_SYSTEM_ONLY;
+	this->subtype_action_flags[3].action_flags = IMV_HCD_ATTR_SYSTEM_ONLY;
+	this->subtype_action_flags[4].action_flags = IMV_HCD_ATTR_SYSTEM_ONLY;
+	this->subtype_action_flags[5].action_flags = IMV_HCD_ATTR_SYSTEM_ONLY;
+	this->action_flags = &this->subtype_action_flags[0].action_flags;
+}
+
 METHOD(imv_state_t, destroy, void,
 	private_imv_hcd_state_t *this)
 {
@@ -320,6 +342,7 @@ imv_state_t *imv_hcd_state_create(TNC_ConnectionID connection_id)
 				.update_recommendation = _update_recommendation,
 				.get_reason_string = _get_reason_string,
 				.get_remediation_instructions = _get_remediation_instructions,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
 			.set_handshake_state = _set_handshake_state,
diff --git a/src/libimcv/plugins/imv_os/Makefile.in b/src/libimcv/plugins/imv_os/Makefile.in
index d5a6f07f1..4e8f8ea19 100644
--- a/src/libimcv/plugins/imv_os/Makefile.in
+++ b/src/libimcv/plugins/imv_os/Makefile.in
@@ -309,7 +309,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -335,6 +334,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -355,8 +356,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -411,8 +410,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -441,8 +438,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
diff --git a/src/libimcv/plugins/imv_os/imv_os_agent.c b/src/libimcv/plugins/imv_os/imv_os_agent.c
index 3fa3d0965..bb1e8a806 100644
--- a/src/libimcv/plugins/imv_os/imv_os_agent.c
+++ b/src/libimcv/plugins/imv_os/imv_os_agent.c
@@ -539,7 +539,7 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
 
 		/* Determine maximum PA-TNC attribute segment size */
 		max_seg_size = state->get_max_msg_len(state)
-								- PA_TNC_HEADER_SIZE 
+								- PA_TNC_HEADER_SIZE
 								- PA_TNC_ATTR_HEADER_SIZE
 								- TCG_SEG_ATTR_SEG_ENV_HEADER;
 
@@ -614,7 +614,7 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
 				if (result != TNC_RESULT_SUCCESS)
 				{
 					return result;
-				}  
+				}
 				return this->agent->provide_recommendation(this->agent, state);
 			}
 			else
@@ -686,7 +686,6 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
 			{
 				continue;
 			}
-			eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
 
 			switch (workitem->get_type(workitem))
 			{
@@ -721,7 +720,7 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
 								  TNC_IMV_EVALUATION_RESULT_COMPLIANT;
 					snprintf(result_str, BUF_LEN, "unknown sources%s enabled",
 							 fail ? "" : " not");
-					break;					
+					break;
 				case IMV_WORKITEM_FORWARDING:
 					if (!(received & IMV_OS_ATTR_FORWARDING_ENABLED))
 					{
@@ -749,14 +748,11 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
 				default:
 					continue;
 			}
-			if (eval != TNC_IMV_EVALUATION_RESULT_DONT_KNOW)
-			{
-				session->remove_workitem(session, enumerator);
-				rec = workitem->set_result(workitem, result_str, eval);
-				state->update_recommendation(state, rec, eval);
-				imcv_db->finalize_workitem(imcv_db, workitem);
-				workitem->destroy(workitem);
-			}
+			session->remove_workitem(session, enumerator);
+			rec = workitem->set_result(workitem, result_str, eval);
+			state->update_recommendation(state, rec, eval);
+			imcv_db->finalize_workitem(imcv_db, workitem);
+			workitem->destroy(workitem);
 		}
 		enumerator->destroy(enumerator);
 
@@ -772,7 +768,7 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
 				return result;
 			}
 			return this->agent->provide_recommendation(this->agent, state);
-		}		
+		}
 	}
 
 	/* send non-empty PA-TNC message with excl flag not set */
diff --git a/src/libimcv/plugins/imv_os/imv_os_state.c b/src/libimcv/plugins/imv_os/imv_os_state.c
index af5daf0fc..dd8fcf594 100644
--- a/src/libimcv/plugins/imv_os/imv_os_state.c
+++ b/src/libimcv/plugins/imv_os/imv_os_state.c
@@ -362,10 +362,14 @@ METHOD(imv_state_t, update_recommendation, void,
 	this->eval = tncif_policy_update_evaluation(this->eval, eval);
 }
 
-METHOD(imv_state_t, change_state, void,
+METHOD(imv_state_t, change_state, TNC_ConnectionState,
 	private_imv_os_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imv_state_t, get_reason_string, bool,
@@ -466,6 +470,32 @@ METHOD(imv_state_t, get_remediation_instructions, bool,
 	return TRUE;
 }
 
+METHOD(imv_state_t, reset, void,
+	private_imv_os_state_t *this)
+{
+	DESTROY_IF(this->reason_string);
+	DESTROY_IF(this->remediation_string);
+	this->reason_string = NULL;
+	this->remediation_string = NULL;
+	this->rec  = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION;
+	this->eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+
+	this->action_flags = 0;
+
+	this->handshake_state = IMV_OS_STATE_INIT;
+	this->count = 0;
+	this->count_security = 0;
+	this->count_blacklist = 0;
+	this->count_ok = 0;
+	this->os_settings = 0;
+	this->missing = 0;
+
+	this->update_packages->destroy_function(this->update_packages, free);
+	this->remove_packages->destroy_function(this->remove_packages, free);
+	this->update_packages = linked_list_create();
+	this->remove_packages = linked_list_create();
+}
+
 METHOD(imv_state_t, destroy, void,
 	private_imv_os_state_t *this)
 {
@@ -590,6 +620,7 @@ imv_state_t *imv_os_state_create(TNC_ConnectionID connection_id)
 				.update_recommendation = _update_recommendation,
 				.get_reason_string = _get_reason_string,
 				.get_remediation_instructions = _get_remediation_instructions,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
 			.set_handshake_state = _set_handshake_state,
diff --git a/src/libimcv/plugins/imv_scanner/Makefile.in b/src/libimcv/plugins/imv_scanner/Makefile.in
index 2649f499d..7c31a23fa 100644
--- a/src/libimcv/plugins/imv_scanner/Makefile.in
+++ b/src/libimcv/plugins/imv_scanner/Makefile.in
@@ -310,7 +310,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -336,6 +335,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -356,8 +357,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -412,8 +411,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -442,8 +439,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
diff --git a/src/libimcv/plugins/imv_scanner/imv_scanner_state.c b/src/libimcv/plugins/imv_scanner/imv_scanner_state.c
index 8f9593f17..64ab5c4eb 100644
--- a/src/libimcv/plugins/imv_scanner/imv_scanner_state.c
+++ b/src/libimcv/plugins/imv_scanner/imv_scanner_state.c
@@ -222,10 +222,14 @@ METHOD(imv_state_t, get_contracts, seg_contract_manager_t*,
 	return this->contracts;
 }
 
-METHOD(imv_state_t, change_state, void,
+METHOD(imv_state_t, change_state, TNC_ConnectionState,
 	private_imv_scanner_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imv_state_t, get_recommendation, void,
@@ -303,6 +307,26 @@ METHOD(imv_state_t, get_remediation_instructions, bool,
 	return TRUE;
 }
 
+METHOD(imv_state_t, reset, void,
+	private_imv_scanner_state_t *this)
+{
+	DESTROY_IF(this->reason_string);
+	DESTROY_IF(this->remediation_string);
+	this->reason_string = NULL;
+	this->remediation_string = NULL;
+	this->rec  = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION;
+	this->eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+
+	this->action_flags = 0;
+
+	this->handshake_state = IMV_SCANNER_STATE_INIT;
+
+	DESTROY_IF(&this->port_filter_attr->pa_tnc_attribute);
+	this->port_filter_attr = NULL;
+	this->violating_ports->destroy_function(this->violating_ports, free);
+	this->violating_ports = linked_list_create();
+}
+
 METHOD(imv_state_t, destroy, void,
 	private_imv_scanner_state_t *this)
 {
@@ -373,6 +397,7 @@ imv_state_t *imv_scanner_state_create(TNC_ConnectionID connection_id)
 				.update_recommendation = _update_recommendation,
 				.get_reason_string = _get_reason_string,
 				.get_remediation_instructions = _get_remediation_instructions,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
 			.set_handshake_state = _set_handshake_state,
@@ -391,5 +416,3 @@ imv_state_t *imv_scanner_state_create(TNC_ConnectionID connection_id)
 
 	return &this->public.interface;
 }
-
-
diff --git a/src/libimcv/plugins/imv_swid/Makefile.am b/src/libimcv/plugins/imv_swid/Makefile.am
deleted file mode 100644
index e573ea0d8..000000000
--- a/src/libimcv/plugins/imv_swid/Makefile.am
+++ /dev/null
@@ -1,21 +0,0 @@
-AM_CPPFLAGS = \
-	-I$(top_srcdir)/src/libstrongswan \
-	-I$(top_srcdir)/src/libtncif \
-	-I$(top_srcdir)/src/libtpmtss \
-	-I$(top_srcdir)/src/libimcv
-
-AM_CFLAGS = \
-	$(PLUGIN_CFLAGS) $(json_CFLAGS)
-
-imcv_LTLIBRARIES = imv-swid.la
-
-imv_swid_la_LIBADD = \
-	$(top_builddir)/src/libimcv/libimcv.la \
-	$(top_builddir)/src/libstrongswan/libstrongswan.la \
-	$(json_LIBS)
-
-imv_swid_la_SOURCES = \
-	imv_swid.c imv_swid_state.h imv_swid_state.c \
-	imv_swid_agent.h imv_swid_agent.c
-
-imv_swid_la_LDFLAGS = -module -avoid-version -no-undefined
diff --git a/src/libimcv/plugins/imv_swid/Makefile.in b/src/libimcv/plugins/imv_swid/Makefile.in
deleted file mode 100644
index faccb683e..000000000
--- a/src/libimcv/plugins/imv_swid/Makefile.in
+++ /dev/null
@@ -1,797 +0,0 @@
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-
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-.PRECIOUS: Makefile
-
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/src/libimcv/plugins/imv_swid/imv_swid.c b/src/libimcv/plugins/imv_swid/imv_swid.c
deleted file mode 100644
index cab011580..000000000
--- a/src/libimcv/plugins/imv_swid/imv_swid.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2013 Andreas Steffen
- * HSR Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- */
-
-#include "imv_swid_agent.h"
-
-static const char imv_name[] = "SWID";
-static const imv_agent_create_t imv_agent_create = imv_swid_agent_create;
-
-/* include generic TGC TNC IF-IMV API code below */
-
-#include <imv/imv_if.h>
-
diff --git a/src/libimcv/plugins/imv_swid/imv_swid_agent.c b/src/libimcv/plugins/imv_swid/imv_swid_agent.c
deleted file mode 100644
index 2884a169c..000000000
--- a/src/libimcv/plugins/imv_swid/imv_swid_agent.c
+++ /dev/null
@@ -1,727 +0,0 @@
-/*
- * Copyright (C) 2013-2017 Andreas Steffen
- * HSR Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- */
-
-#define _GNU_SOURCE
-#include <stdio.h>
-
-#include "imv_swid_agent.h"
-#include "imv_swid_state.h"
-
-#include <imcv.h>
-#include <imv/imv_agent.h>
-#include <imv/imv_msg.h>
-#include <ietf/ietf_attr_pa_tnc_error.h>
-#include "rest/rest.h"
-#include "tcg/seg/tcg_seg_attr_max_size.h"
-#include "tcg/seg/tcg_seg_attr_seg_env.h"
-#include "tcg/swid/tcg_swid_attr_req.h"
-#include "tcg/swid/tcg_swid_attr_tag_inv.h"
-#include "tcg/swid/tcg_swid_attr_tag_id_inv.h"
-#include "swid/swid_error.h"
-#include "swid/swid_inventory.h"
-
-#include <tncif_names.h>
-#include <tncif_pa_subtypes.h>
-
-#include <pen/pen.h>
-#include <utils/debug.h>
-#include <bio/bio_reader.h>
-
-typedef struct private_imv_swid_agent_t private_imv_swid_agent_t;
-
-/* Subscribed PA-TNC message subtypes */
-static pen_type_t msg_types[] = {
-	{ PEN_TCG, PA_SUBTYPE_TCG_SWID }
-};
-
-/**
- * Flag set when corresponding attribute has been received
- */
-enum imv_swid_attr_t {
-	IMV_SWID_ATTR_TAG_INV =    (1<<0),
-	IMV_SWID_ATTR_TAG_ID_INV = (1<<1)
-};
-
-/**
- * Private data of an imv_swid_agent_t object.
- */
-struct private_imv_swid_agent_t {
-
-	/**
-	 * Public members of imv_swid_agent_t
-	 */
-	imv_agent_if_t public;
-
-	/**
-	 * IMV agent responsible for generic functions
-	 */
-	imv_agent_t *agent;
-
-	/**
-	 * REST API to strongTNC manager
-	 */
-	rest_t *rest_api;
-
-};
-
-METHOD(imv_agent_if_t, bind_functions, TNC_Result,
-	private_imv_swid_agent_t *this, TNC_TNCS_BindFunctionPointer bind_function)
-{
-	return this->agent->bind_functions(this->agent, bind_function);
-}
-
-METHOD(imv_agent_if_t, notify_connection_change, TNC_Result,
-	private_imv_swid_agent_t *this, TNC_ConnectionID id,
-	TNC_ConnectionState new_state)
-{
-	imv_state_t *state;
-
-	switch (new_state)
-	{
-		case TNC_CONNECTION_STATE_CREATE:
-			state = imv_swid_state_create(id);
-			return this->agent->create_state(this->agent, state);
-		case TNC_CONNECTION_STATE_DELETE:
-			return this->agent->delete_state(this->agent, id);
-		default:
-			return this->agent->change_state(this->agent, id, new_state, NULL);
-	}
-}
-
-/**
- * Process a received message
- */
-static TNC_Result receive_msg(private_imv_swid_agent_t *this,
-							  imv_state_t *state, imv_msg_t *in_msg)
-{
-	imv_swid_state_t *swid_state;
-	imv_msg_t *out_msg;
-	enumerator_t *enumerator;
-	pa_tnc_attr_t *attr;
-	TNC_Result result;
-	bool fatal_error = FALSE;
-
-	/* generate an outgoing PA-TNC message - we might need it */
-	out_msg = imv_msg_create_as_reply(in_msg);
-
-	/* parse received PA-TNC message and handle local and remote errors */
-	result = in_msg->receive(in_msg, out_msg, &fatal_error);
-	if (result != TNC_RESULT_SUCCESS)
-	{
-		out_msg->destroy(out_msg);
-		return result;
-	}
-
-	swid_state = (imv_swid_state_t*)state;
-
-	/* analyze PA-TNC attributes */
-	enumerator = in_msg->create_attribute_enumerator(in_msg);
-	while (enumerator->enumerate(enumerator, &attr))
-	{
-		uint32_t request_id = 0, last_eid, eid_epoch;
-		swid_inventory_t *inventory;
-		pen_type_t type;
-
-		type = attr->get_type(attr);
-
-		if (type.vendor_id == PEN_IETF && type.type == IETF_ATTR_PA_TNC_ERROR)
-		{
-			ietf_attr_pa_tnc_error_t *error_attr;
-			pen_type_t error_code;
-			chunk_t msg_info, description;
-			bio_reader_t *reader;
-			uint32_t max_attr_size;
-			bool success;
-
-			error_attr = (ietf_attr_pa_tnc_error_t*)attr;
-			error_code = error_attr->get_error_code(error_attr);
-
-			if (error_code.vendor_id == PEN_TCG)
-			{
-				fatal_error = TRUE;
-				msg_info = error_attr->get_msg_info(error_attr);
-				reader = bio_reader_create(msg_info);
-				success = reader->read_uint32(reader, &request_id);
-
-				DBG1(DBG_IMV, "received TCG error '%N' for request %d",
-					 swid_error_code_names, error_code.type, request_id);
-				if (!success)
-				{
-					reader->destroy(reader);
-					continue;
-				}
-				if (error_code.type == TCG_SWID_RESPONSE_TOO_LARGE)
-				{
-					if (!reader->read_uint32(reader, &max_attr_size))
-					{
-						reader->destroy(reader);
-						continue;
-					}
-					DBG1(DBG_IMV, "  maximum PA-TNC attribute size is %u bytes",
-						max_attr_size);
-				}
-				description = reader->peek(reader);
-				if (description.len)
-				{ 
-					DBG1(DBG_IMV, "  description: %.*s", description.len,
-														 description.ptr);
-				}
-				reader->destroy(reader);
-			}
-		}
-		else if (type.vendor_id != PEN_TCG)
-		{
-			continue;
-		}
-
-		switch (type.type)
-		{
-			case TCG_SWID_TAG_ID_INVENTORY:
-			{
-				tcg_swid_attr_tag_id_inv_t *attr_cast;
-				uint32_t missing;
-				int tag_id_count;
-
-				state->set_action_flags(state, IMV_SWID_ATTR_TAG_ID_INV);
-
-				attr_cast = (tcg_swid_attr_tag_id_inv_t*)attr;
-				request_id = attr_cast->get_request_id(attr_cast);
-				last_eid = attr_cast->get_last_eid(attr_cast, &eid_epoch);
-				inventory = attr_cast->get_inventory(attr_cast);
-				tag_id_count = inventory->get_count(inventory);
-				missing = attr_cast->get_tag_id_count(attr_cast);
-				swid_state->set_missing(swid_state, missing);
-
-				DBG2(DBG_IMV, "received SWID tag ID inventory with %d item%s "
-					 "for request %d at eid %d of epoch 0x%08x, %d item%s to "
-					 "follow", tag_id_count, (tag_id_count == 1) ? "" : "s",
-					 request_id, last_eid, eid_epoch, missing,
-					 (missing == 1) ? "" : "s");
-
-				if (request_id == swid_state->get_request_id(swid_state))
-				{
-					swid_state->set_swid_inventory(swid_state, inventory);
-					swid_state->set_count(swid_state, tag_id_count, 0,
-										  in_msg->get_src_id(in_msg));
-				}
-				else
-				{
-					DBG1(DBG_IMV, "no workitem found for SWID tag ID inventory "
-								  "with request ID %d", request_id);
-				}
-				attr_cast->clear_inventory(attr_cast);
-				break;
-			 }
-			case TCG_SWID_TAG_INVENTORY:
-			{
-				tcg_swid_attr_tag_inv_t *attr_cast;
-				swid_tag_t *tag;
-				chunk_t tag_encoding;
-				json_object *jobj, *jarray, *jstring;
-				char *tag_str;
-				uint32_t missing;
-				int tag_count;
-				enumerator_t *e;
-
-				state->set_action_flags(state, IMV_SWID_ATTR_TAG_INV);
-
-				attr_cast = (tcg_swid_attr_tag_inv_t*)attr;
-				request_id = attr_cast->get_request_id(attr_cast);
-				last_eid = attr_cast->get_last_eid(attr_cast, &eid_epoch);
-				inventory = attr_cast->get_inventory(attr_cast);
-				tag_count = inventory->get_count(inventory);
-				missing = attr_cast->get_tag_count(attr_cast);
-				swid_state->set_missing(swid_state, missing);
-
-				DBG2(DBG_IMV, "received SWID tag inventory with %d item%s for "
-					 "request %d at eid %d of epoch 0x%08x, %d item%s to follow",
-					 tag_count, (tag_count == 1) ? "" : "s", request_id,
-					 last_eid, eid_epoch, missing, (missing == 1) ? "" : "s");
-
-				if (request_id == swid_state->get_request_id(swid_state))
-				{
-					swid_state->set_count(swid_state, 0, tag_count,
-										  in_msg->get_src_id(in_msg));
-
-					if (this->rest_api)
-					{
-						jobj = json_object_new_object();
-						jarray = json_object_new_array();
-						json_object_object_add(jobj, "data", jarray);
-
-						e = inventory->create_enumerator(inventory);
-						while (e->enumerate(e, &tag))
-						{
-							tag_encoding = tag->get_encoding(tag);
-							tag_str = strndup(tag_encoding.ptr, tag_encoding.len);
-							DBG3(DBG_IMV, "%s", tag_str);
-							jstring = json_object_new_string(tag_str);
-							json_object_array_add(jarray, jstring);
-							free(tag_str);
-						}
-						e->destroy(e);
-
-						if (this->rest_api->post(this->rest_api,
-								"swid/add-tags/", jobj, NULL) != SUCCESS)
-						{
-							DBG1(DBG_IMV, "error in REST API add-tags request");
-						}
-						json_object_put(jobj);
-					}
-				}
-				else
-				{
-					DBG1(DBG_IMV, "no workitem found for SWID tag inventory "
-								  "with request ID %d", request_id);
-				}
-				attr_cast->clear_inventory(attr_cast);
-				break;
-			}
-			default:
-				break;
-		 }
-	}
-	enumerator->destroy(enumerator);
-
-	if (fatal_error)
-	{
-		state->set_recommendation(state,
-								TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
-								TNC_IMV_EVALUATION_RESULT_ERROR);
-		result = out_msg->send_assessment(out_msg);
-		if (result == TNC_RESULT_SUCCESS)
-		{
-			result = this->agent->provide_recommendation(this->agent, state);
-		}
-	}
-	else
-	{
-		/* send PA-TNC message with the EXCL flag set */
-		result = out_msg->send(out_msg, TRUE);
-	}
-	out_msg->destroy(out_msg);
-
-	return result;
-}
-
-METHOD(imv_agent_if_t, receive_message, TNC_Result,
-	private_imv_swid_agent_t *this, TNC_ConnectionID id,
-	TNC_MessageType msg_type, chunk_t msg)
-{
-	imv_state_t *state;
-	imv_msg_t *in_msg;
-	TNC_Result result;
-
-	if (!this->agent->get_state(this->agent, id, &state))
-	{
-		return TNC_RESULT_FATAL;
-	}
-	in_msg = imv_msg_create_from_data(this->agent, state, id, msg_type, msg);
-	result = receive_msg(this, state, in_msg);
-	in_msg->destroy(in_msg);
-
-	return result;
-}
-
-METHOD(imv_agent_if_t, receive_message_long, TNC_Result,
-	private_imv_swid_agent_t *this, TNC_ConnectionID id,
-	TNC_UInt32 src_imc_id, TNC_UInt32 dst_imv_id,
-	TNC_VendorID msg_vid, TNC_MessageSubtype msg_subtype, chunk_t msg)
-{
-	imv_state_t *state;
-	imv_msg_t *in_msg;
-	TNC_Result result;
-
-	if (!this->agent->get_state(this->agent, id, &state))
-	{
-		return TNC_RESULT_FATAL;
-	}
-	in_msg = imv_msg_create_from_long_data(this->agent, state, id,
-					src_imc_id, dst_imv_id, msg_vid, msg_subtype, msg);
-	result = receive_msg(this, state, in_msg);
-	in_msg->destroy(in_msg);
-
-	return result;
-
-}
-
-METHOD(imv_agent_if_t, batch_ending, TNC_Result,
-	private_imv_swid_agent_t *this, TNC_ConnectionID id)
-{
-	imv_msg_t *out_msg;
-	imv_state_t *state;
-	imv_session_t *session;
-	imv_workitem_t *workitem;
-	imv_swid_state_t *swid_state;
-	imv_swid_handshake_state_t handshake_state;
-	pa_tnc_attr_t *attr;
-	TNC_IMVID imv_id;
-	TNC_Result result = TNC_RESULT_SUCCESS;
-	bool no_workitems = TRUE;
-	uint32_t request_id, received;
-	uint8_t flags;
-	enumerator_t *enumerator;
-
-	if (!this->agent->get_state(this->agent, id, &state))
-	{
-		return TNC_RESULT_FATAL;
-	}
-	swid_state = (imv_swid_state_t*)state;
-	handshake_state = swid_state->get_handshake_state(swid_state);
-	session = state->get_session(state);
-	imv_id = this->agent->get_id(this->agent);
-
-	if (handshake_state == IMV_SWID_STATE_END)
-	{
-		return TNC_RESULT_SUCCESS;
-	}
-
-	/* Create an empty out message - we might need it */
-	out_msg = imv_msg_create(this->agent, state, id, imv_id,
-							 swid_state->get_imc_id(swid_state),
-							 msg_types[0]);
-
-	if (!imcv_db)
-	{
-		DBG2(DBG_IMV, "no workitems available - no evaluation possible");
-		state->set_recommendation(state,
-							TNC_IMV_ACTION_RECOMMENDATION_ALLOW,
-							TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
-		result = out_msg->send_assessment(out_msg);
-		out_msg->destroy(out_msg);
-		swid_state->set_handshake_state(swid_state, IMV_SWID_STATE_END);
-
-		if (result != TNC_RESULT_SUCCESS)
-		{
-			return result;
-		}
-		return this->agent->provide_recommendation(this->agent, state);
-	}
-
-	/* Look for SWID tag workitem and create SWID tag request */
-	if (handshake_state == IMV_SWID_STATE_INIT &&
-		session->get_policy_started(session))
-	{
-		size_t max_attr_size = SWID_MAX_ATTR_SIZE;
-		size_t max_seg_size;
-		seg_contract_t *contract;
-		seg_contract_manager_t *contracts;
-		char buf[BUF_LEN];
-
-		enumerator = session->create_workitem_enumerator(session);
-		if (enumerator)
-		{
-			while (enumerator->enumerate(enumerator, &workitem))
-			{
-				if (workitem->get_imv_id(workitem) != TNC_IMVID_ANY ||
-					workitem->get_type(workitem) != IMV_WORKITEM_SWID_TAGS)
-				{
-					continue;
-				}
-				
-				flags = TCG_SWID_ATTR_REQ_FLAG_NONE;
-				if (strchr(workitem->get_arg_str(workitem), 'R'))
-				{
-					flags |= TCG_SWID_ATTR_REQ_FLAG_R;
-				}
-				if (strchr(workitem->get_arg_str(workitem), 'S'))
-				{
-					flags |= TCG_SWID_ATTR_REQ_FLAG_S;
-				}
-				if (strchr(workitem->get_arg_str(workitem), 'C'))
-				{
-					flags |= TCG_SWID_ATTR_REQ_FLAG_C;
-				}
-
-				/* Determine maximum PA-TNC attribute segment size */
-				max_seg_size = state->get_max_msg_len(state)
-								- PA_TNC_HEADER_SIZE 
-								- PA_TNC_ATTR_HEADER_SIZE
-								- TCG_SEG_ATTR_SEG_ENV_HEADER;
-
-				/* Announce support of PA-TNC segmentation to IMC */
-				contract = seg_contract_create(msg_types[0], max_attr_size,
-									max_seg_size, TRUE, imv_id, FALSE);
-				contract->get_info_string(contract, buf, BUF_LEN, TRUE);
-				DBG2(DBG_IMV, "%s", buf);
-				contracts = state->get_contracts(state);
-				contracts->add_contract(contracts, contract);
-				attr = tcg_seg_attr_max_size_create(max_attr_size,
-													max_seg_size, TRUE);
-				out_msg->add_attribute(out_msg, attr);
-
-				/* Issue a SWID request */
-				request_id = workitem->get_id(workitem);
-				swid_state->set_request_id(swid_state, request_id);
-				attr = tcg_swid_attr_req_create(flags, request_id, 0);
-				out_msg->add_attribute(out_msg, attr);
-				workitem->set_imv_id(workitem, imv_id);
-				no_workitems = FALSE;
-				DBG2(DBG_IMV, "IMV %d issues SWID request %d",
-							   imv_id, request_id);
-				break;
-			}
-			enumerator->destroy(enumerator);
-
-			if (no_workitems)
-			{
-				DBG2(DBG_IMV, "IMV %d has no workitems - "
-							  "no evaluation requested", imv_id);
-				state->set_recommendation(state,
-								TNC_IMV_ACTION_RECOMMENDATION_ALLOW,
-								TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
-			}
-			handshake_state = IMV_SWID_STATE_WORKITEMS;
-			swid_state->set_handshake_state(swid_state, handshake_state);
-		}
-	}
-
-	received = state->get_action_flags(state);
-
-	if (handshake_state == IMV_SWID_STATE_WORKITEMS &&
-	   (received & (IMV_SWID_ATTR_TAG_INV|IMV_SWID_ATTR_TAG_ID_INV)) &&
-		swid_state->get_missing(swid_state) == 0)
-	{
-		TNC_IMV_Evaluation_Result eval;
-		TNC_IMV_Action_Recommendation rec;
-		char result_str[BUF_LEN], *error_str = "", *command;
-		char *target, *separator;
-		int tag_id_count, tag_count, i;
-		chunk_t tag_creator, unique_sw_id;
-		json_object *jrequest, *jresponse, *jvalue;
-		tcg_swid_attr_req_t *cast_attr;
-		swid_tag_id_t *tag_id;
-		status_t status = SUCCESS;
-
-		if (this->rest_api && (received & IMV_SWID_ATTR_TAG_ID_INV))
-		{
-			if (asprintf(&command, "sessions/%d/swid-measurement/",
-						 session->get_session_id(session, NULL, NULL)) < 0)
-			{
-				error_str = "allocation of command string failed";
-				status = FAILED;
-			}
-			else
-			{
-				jrequest = swid_state->get_swid_inventory(swid_state);
-				status = this->rest_api->post(this->rest_api, command,
-											  jrequest, &jresponse);
-				if (status == FAILED)
-				{
-					error_str = "error in REST API swid-measurement request";
-				}
-				free(command);
-			}
-		}
-
-		switch (status)
-		{
-			case SUCCESS:
-				enumerator = session->create_workitem_enumerator(session);
-				while (enumerator->enumerate(enumerator, &workitem))
-				{
-					if (workitem->get_type(workitem) == IMV_WORKITEM_SWID_TAGS)
-					{
-						swid_state->get_count(swid_state, &tag_id_count,
-														  &tag_count);
-						snprintf(result_str, BUF_LEN, "received inventory of "
-								 "%d SWID tag ID%s and %d SWID tag%s",
-								 tag_id_count, (tag_id_count == 1) ? "" : "s",
-								 tag_count, (tag_count == 1) ? "" : "s");
-						session->remove_workitem(session, enumerator);
-
-						eval = TNC_IMV_EVALUATION_RESULT_COMPLIANT;
-						rec = workitem->set_result(workitem, result_str, eval);
-						state->update_recommendation(state, rec, eval);
-						imcv_db->finalize_workitem(imcv_db, workitem);
-						workitem->destroy(workitem);
-						break;
-					}
-				}
-				enumerator->destroy(enumerator);
-				break;
-			case NEED_MORE:
-				if (received & IMV_SWID_ATTR_TAG_INV)
-				{
-					error_str = "not all requested SWID tags were received";
-					status = FAILED;
-					json_object_put(jresponse);
-					break;
-				}
-				if (json_object_get_type(jresponse) != json_type_array)
-				{
-					error_str = "response was not a json_array";
-					status = FAILED;
-					json_object_put(jresponse);
-					break;
-				}
-
-				/* Create a TCG SWID Request attribute */
-				attr = tcg_swid_attr_req_create(TCG_SWID_ATTR_REQ_FLAG_NONE,
-								swid_state->get_request_id(swid_state), 0);
-				tag_id_count = json_object_array_length(jresponse);
-				DBG1(DBG_IMV, "%d SWID tag target%s", tag_id_count,
-							  (tag_id_count == 1) ? "" : "s");
-				swid_state->set_missing(swid_state, tag_id_count);
-
-				for (i = 0; i < tag_id_count; i++)
-				{
-					jvalue = json_object_array_get_idx(jresponse, i);
-					if (json_object_get_type(jvalue) != json_type_string)
-					{
-						error_str = "json_string element expected in json_array";
-						status = FAILED;
-						json_object_put(jresponse);
-						break;
-					}
-					target = (char*)json_object_get_string(jvalue);
-					DBG1(DBG_IMV, "  %s", target);
-
-					/* Separate target into tag_creator and unique_sw_id */
-					separator = strstr(target, "__");
-					if (!separator)
-					{
-						error_str = "separation of regid from "
-									"unique software ID failed";
-						break;
-					}
-					tag_creator = chunk_create(target, separator - target);
-					separator += 2;
-					unique_sw_id = chunk_create(separator, strlen(target) -
-												tag_creator.len - 2);
-					tag_id = swid_tag_id_create(tag_creator, unique_sw_id,
-												chunk_empty);
-					cast_attr = (tcg_swid_attr_req_t*)attr;
-					cast_attr->add_target(cast_attr, tag_id);
-				}
-				json_object_put(jresponse);
-
-				out_msg->add_attribute(out_msg, attr);
-				break;
-			case FAILED:
-			default:
-				break;
-		}
-
-		if (status == FAILED)
-		{
-			enumerator = session->create_workitem_enumerator(session);
-			while (enumerator->enumerate(enumerator, &workitem))
-			{
-				if (workitem->get_type(workitem) == IMV_WORKITEM_SWID_TAGS)
-				{
-					session->remove_workitem(session, enumerator);
-					eval = TNC_IMV_EVALUATION_RESULT_ERROR;
-					rec = workitem->set_result(workitem, error_str, eval);
-					state->update_recommendation(state, rec, eval);
-					imcv_db->finalize_workitem(imcv_db, workitem);
-					workitem->destroy(workitem);
-					break;
-				}
-			}
-			enumerator->destroy(enumerator);
-		}
-	}
-
-	/* finalized all workitems ? */
-	if (handshake_state == IMV_SWID_STATE_WORKITEMS &&
-		session->get_workitem_count(session, imv_id) == 0)
-	{
-		result = out_msg->send_assessment(out_msg);
-		out_msg->destroy(out_msg);
-		swid_state->set_handshake_state(swid_state, IMV_SWID_STATE_END);
-
-		if (result != TNC_RESULT_SUCCESS)
-		{
-			return result;
-		}
-		return this->agent->provide_recommendation(this->agent, state);
-	}
-
-	/* send non-empty PA-TNC message with excl flag not set */
-	if (out_msg->get_attribute_count(out_msg))
-	{
-		result = out_msg->send(out_msg, FALSE);
-	}
-	out_msg->destroy(out_msg);
-
-	return result;
-}
-
-METHOD(imv_agent_if_t, solicit_recommendation, TNC_Result,
-	private_imv_swid_agent_t *this, TNC_ConnectionID id)
-{
-	imv_state_t *state;
-
-	if (!this->agent->get_state(this->agent, id, &state))
-	{
-		return TNC_RESULT_FATAL;
-	}
-	return this->agent->provide_recommendation(this->agent, state);
-}
-
-METHOD(imv_agent_if_t, destroy, void,
-	private_imv_swid_agent_t *this)
-{
-	DESTROY_IF(this->rest_api);
-	this->agent->destroy(this->agent);
-	free(this);
-}
-
-/**
- * Described in header.
- */
-imv_agent_if_t *imv_swid_agent_create(const char *name, TNC_IMVID id,
-										 TNC_Version *actual_version)
-{
-	private_imv_swid_agent_t *this;
-	imv_agent_t *agent;
-	char *rest_api_uri;
-	u_int rest_api_timeout;
-
-	agent = imv_agent_create(name, msg_types, countof(msg_types), id,
-							 actual_version);
-	if (!agent)
-	{
-		return NULL;
-	}
-	agent->add_non_fatal_attr_type(agent,
-				pen_type_create(PEN_TCG, TCG_SEG_MAX_ATTR_SIZE_REQ));
-
-	INIT(this,
-		.public = {
-			.bind_functions = _bind_functions,
-			.notify_connection_change = _notify_connection_change,
-			.receive_message = _receive_message,
-			.receive_message_long = _receive_message_long,
-			.batch_ending = _batch_ending,
-			.solicit_recommendation = _solicit_recommendation,
-			.destroy = _destroy,
-		},
-		.agent = agent,
-	);
-
-	rest_api_uri = lib->settings->get_str(lib->settings,
-						"%s.plugins.imv-swid.rest_api_uri", NULL, lib->ns);
-	rest_api_timeout = lib->settings->get_int(lib->settings,
-						"%s.plugins.imv-swid.rest_api_timeout", 120, lib->ns);
-	if (rest_api_uri)
-	{
-		this->rest_api = rest_create(rest_api_uri, rest_api_timeout);
-	}
-
-	return &this->public;
-}
-
diff --git a/src/libimcv/plugins/imv_swid/imv_swid_agent.h b/src/libimcv/plugins/imv_swid/imv_swid_agent.h
deleted file mode 100644
index 4218040bc..000000000
--- a/src/libimcv/plugins/imv_swid/imv_swid_agent.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright (C) 2013 Andreas Steffen
- * HSR Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- */
-
-/**
- * @defgroup imv_swid_agent_t imv_swid_agent
- * @{ @ingroup imv_swid
- */
-
-#ifndef IMV_SWID_AGENT_H_
-#define IMV_SWID_AGENT_H_
-
-#include <imv/imv_agent_if.h>
-
-/**
- * Creates an SWID IMV agent
- *
- * @param name					Name of the IMV
- * @param id					ID of the IMV
- * @param actual_version		TNC IF-IMV version
- */
-imv_agent_if_t* imv_swid_agent_create(const char* name, TNC_IMVID id,
-									  TNC_Version *actual_version);
-
-#endif /** IMV_SWID_AGENT_H_ @}*/
diff --git a/src/libimcv/plugins/imv_swid/imv_swid_state.c b/src/libimcv/plugins/imv_swid/imv_swid_state.c
deleted file mode 100644
index 50e9f489a..000000000
--- a/src/libimcv/plugins/imv_swid/imv_swid_state.c
+++ /dev/null
@@ -1,417 +0,0 @@
-/*
- * Copyright (C) 2013-2017 Andreas Steffen
- * HSR Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- */
-
-#include "imv_swid_state.h"
-
-#include <imv/imv_lang_string.h>
-#include <imv/imv_reason_string.h>
-#include <imv/imv_remediation_string.h>
-#include <swid/swid_tag_id.h>
-
-#include <tncif_policy.h>
-
-#include <utils/lexparser.h>
-#include <utils/debug.h>
-
-typedef struct private_imv_swid_state_t private_imv_swid_state_t;
-
-/**
- * Private data of an imv_swid_state_t object.
- */
-struct private_imv_swid_state_t {
-
-	/**
-	 * Public members of imv_swid_state_t
-	 */
-	imv_swid_state_t public;
-
-	/**
-	 * TNCCS connection ID
-	 */
-	TNC_ConnectionID connection_id;
-
-	/**
-	 * TNCCS connection state
-	 */
-	TNC_ConnectionState state;
-
-	/**
-	 * Does the TNCCS connection support long message types?
-	 */
-	bool has_long;
-
-	/**
-	 * Does the TNCCS connection support exclusive delivery?
-	 */
-	bool has_excl;
-
-	/**
-	 * Maximum PA-TNC message size for this TNCCS connection
-	 */
-	uint32_t max_msg_len;
-
-	/**
-	 * Flags set for completed actions
-	 */
-	uint32_t action_flags;
-
-	/**
-	 * IMV database session associated with TNCCS connection
-	 */
-	imv_session_t *session;
-
-	/**
-	 * PA-TNC attribute segmentation contracts associated with TNCCS connection
-	 */
-	seg_contract_manager_t *contracts;
-
-	/**
-	 * IMV action recommendation
-	 */
-	TNC_IMV_Action_Recommendation rec;
-
-	/**
-	 * IMV evaluation result
-	 */
-	TNC_IMV_Evaluation_Result eval;
-
-	/**
-	 * IMV Scanner handshake state
-	 */
-	imv_swid_handshake_state_t handshake_state;
-
-	/**
-	 * TNC Reason String
-	 */
-	imv_reason_string_t *reason_string;
-
-	/**
-	 * IETF Remediation Instructions String
-	 */
-	imv_remediation_string_t *remediation_string;
-
-	/**
-	 * SWID Tag Request ID
-	 */
-	uint32_t request_id;
-
-	/**
-	 * Number of processed SWID Tag IDs
-	 */
-	int tag_id_count;
-
-	/**
-	 * Number of processed SWID Tags
-	 */
-	int tag_count;
-
-	/**
-	 * Number of missing SWID Tags or Tag IDs
-	 */
-	uint32_t missing;
-
-	/**
-	 * SWID IMC ID
-	 */
-	TNC_UInt32 imc_id;
-
-	/**
-	 * Top level JSON object
-	 */
-	json_object *jobj;
-
-	/**
-	 * JSON array containing an inventory of SWID Tag IDs
-	 */
-	json_object *jarray;
-
-};
-
-METHOD(imv_state_t, get_connection_id, TNC_ConnectionID,
-	private_imv_swid_state_t *this)
-{
-	return this->connection_id;
-}
-
-METHOD(imv_state_t, has_long, bool,
-	private_imv_swid_state_t *this)
-{
-	return this->has_long;
-}
-
-METHOD(imv_state_t, has_excl, bool,
-	private_imv_swid_state_t *this)
-{
-	return this->has_excl;
-}
-
-METHOD(imv_state_t, set_flags, void,
-	private_imv_swid_state_t *this, bool has_long, bool has_excl)
-{
-	this->has_long = has_long;
-	this->has_excl = has_excl;
-}
-
-METHOD(imv_state_t, set_max_msg_len, void,
-	private_imv_swid_state_t *this, uint32_t max_msg_len)
-{
-	this->max_msg_len = max_msg_len;
-}
-
-METHOD(imv_state_t, get_max_msg_len, uint32_t,
-	private_imv_swid_state_t *this)
-{
-	return this->max_msg_len;
-}
-
-METHOD(imv_state_t, set_action_flags, void,
-	private_imv_swid_state_t *this, uint32_t flags)
-{
-	this->action_flags |= flags;
-}
-
-METHOD(imv_state_t, get_action_flags, uint32_t,
-	private_imv_swid_state_t *this)
-{
-	return this->action_flags;
-}
-
-METHOD(imv_state_t, set_session, void,
-	private_imv_swid_state_t *this, imv_session_t *session)
-{
-	this->session = session;
-}
-
-METHOD(imv_state_t, get_session, imv_session_t*,
-	private_imv_swid_state_t *this)
-{
-	return this->session;
-}
-
-METHOD(imv_state_t, get_contracts, seg_contract_manager_t*,
-	private_imv_swid_state_t *this)
-{
-	return this->contracts;
-}
-
-METHOD(imv_state_t, change_state, void,
-	private_imv_swid_state_t *this, TNC_ConnectionState new_state)
-{
-	this->state = new_state;
-}
-
-METHOD(imv_state_t, get_recommendation, void,
-	private_imv_swid_state_t *this, TNC_IMV_Action_Recommendation *rec,
-									   TNC_IMV_Evaluation_Result *eval)
-{
-	*rec = this->rec;
-	*eval = this->eval;
-}
-
-METHOD(imv_state_t, set_recommendation, void,
-	private_imv_swid_state_t *this, TNC_IMV_Action_Recommendation rec,
-									   TNC_IMV_Evaluation_Result eval)
-{
-	this->rec = rec;
-	this->eval = eval;
-}
-
-METHOD(imv_state_t, update_recommendation, void,
-	private_imv_swid_state_t *this, TNC_IMV_Action_Recommendation rec,
-									   TNC_IMV_Evaluation_Result eval)
-{
-	this->rec  = tncif_policy_update_recommendation(this->rec, rec);
-	this->eval = tncif_policy_update_evaluation(this->eval, eval);
-}
-
-METHOD(imv_state_t, get_reason_string, bool,
-	private_imv_swid_state_t *this, enumerator_t *language_enumerator,
-	chunk_t *reason_string, char **reason_language)
-{
-	return FALSE;
-}
-
-METHOD(imv_state_t, get_remediation_instructions, bool,
-	private_imv_swid_state_t *this, enumerator_t *language_enumerator,
-	chunk_t *string, char **lang_code, char **uri)
-{
-	return FALSE;
-}
-
-METHOD(imv_state_t, destroy, void,
-	private_imv_swid_state_t *this)
-{
-	json_object_put(this->jobj);
-	DESTROY_IF(this->session);
-	DESTROY_IF(this->reason_string);
-	DESTROY_IF(this->remediation_string);
-	this->contracts->destroy(this->contracts);
-	free(this);
-}
-
-METHOD(imv_swid_state_t, set_handshake_state, void,
-	private_imv_swid_state_t *this, imv_swid_handshake_state_t new_state)
-{
-	this->handshake_state = new_state;
-}
-
-METHOD(imv_swid_state_t, get_handshake_state, imv_swid_handshake_state_t,
-	private_imv_swid_state_t *this)
-{
-	return this->handshake_state;
-}
-
-METHOD(imv_swid_state_t, set_request_id, void,
-	private_imv_swid_state_t *this, uint32_t request_id)
-{
-	this->request_id = request_id;
-}
-
-METHOD(imv_swid_state_t, get_request_id, uint32_t,
-	private_imv_swid_state_t *this)
-{
-	return this->request_id;
-}
-
-METHOD(imv_swid_state_t, set_swid_inventory, void,
-    private_imv_swid_state_t *this, swid_inventory_t *inventory)
-{
-	chunk_t tag_creator, sw_id;
-	char software_id[BUF_LEN];
-	json_object *jstring;
-	swid_tag_id_t *tag_id;
-	enumerator_t *enumerator;
-
-	enumerator = inventory->create_enumerator(inventory);
-	while (enumerator->enumerate(enumerator, &tag_id))
-	{
-		/* Construct software ID from tag creator and unique software ID */
-		tag_creator = tag_id->get_tag_creator(tag_id);
-		sw_id = tag_id->get_unique_sw_id(tag_id, NULL);
-		snprintf(software_id, BUF_LEN, "%.*s__%.*s",
-				 (int)tag_creator.len, tag_creator.ptr,
-				 (int)sw_id.len, sw_id.ptr);
-		DBG3(DBG_IMV, "  %s", software_id);
-
-		/* Add software ID to JSON array */
-		jstring = json_object_new_string(software_id);
-		json_object_array_add(this->jarray, jstring);
-	}
-	enumerator->destroy(enumerator);
-}
-
-METHOD(imv_swid_state_t, get_swid_inventory, json_object*,
-	private_imv_swid_state_t *this)
-{
-	return this->jobj;
-}
-
-METHOD(imv_swid_state_t, set_missing, void,
-	private_imv_swid_state_t *this, uint32_t count)
-{
-	this->missing = count;
-}
-
-METHOD(imv_swid_state_t, get_missing, uint32_t,
-	private_imv_swid_state_t *this)
-{
-	return this->missing;
-}
-
-METHOD(imv_swid_state_t, set_count, void,
-	private_imv_swid_state_t *this, int tag_id_count, int tag_count,
-	TNC_UInt32 imc_id)
-{
-	this->tag_id_count += tag_id_count;
-	this->tag_count += tag_count;
-	this->imc_id = imc_id;
-}
-
-METHOD(imv_swid_state_t, get_count, void,
-	private_imv_swid_state_t *this, int *tag_id_count, int *tag_count)
-{
-	if (tag_id_count)
-	{
-		*tag_id_count = this->tag_id_count;
-	}
-	if (tag_count)
-	{
-		*tag_count = this->tag_count;
-	}
-}
-
-METHOD(imv_swid_state_t, get_imc_id, TNC_UInt32,
-	private_imv_swid_state_t *this)
-{
-	return this->imc_id;
-}
-
-/**
- * Described in header.
- */
-imv_state_t *imv_swid_state_create(TNC_ConnectionID connection_id)
-{
-	private_imv_swid_state_t *this;
-
-	INIT(this,
-		.public = {
-			.interface = {
-				.get_connection_id = _get_connection_id,
-				.has_long = _has_long,
-				.has_excl = _has_excl,
-				.set_flags = _set_flags,
-				.set_max_msg_len = _set_max_msg_len,
-				.get_max_msg_len = _get_max_msg_len,
-				.set_action_flags = _set_action_flags,
-				.get_action_flags = _get_action_flags,
-				.set_session = _set_session,
-				.get_session= _get_session,
-				.get_contracts = _get_contracts,
-				.change_state = _change_state,
-				.get_recommendation = _get_recommendation,
-				.set_recommendation = _set_recommendation,
-				.update_recommendation = _update_recommendation,
-				.get_reason_string = _get_reason_string,
-				.get_remediation_instructions = _get_remediation_instructions,
-				.destroy = _destroy,
-			},
-			.set_handshake_state = _set_handshake_state,
-			.get_handshake_state = _get_handshake_state,
-			.set_request_id = _set_request_id,
-			.get_request_id = _get_request_id,
-			.set_swid_inventory = _set_swid_inventory,
-			.get_swid_inventory = _get_swid_inventory,
-			.set_missing = _set_missing,
-			.get_missing = _get_missing,
-			.set_count = _set_count,
-			.get_count = _get_count,
-			.get_imc_id = _get_imc_id,
-		},
-		.state = TNC_CONNECTION_STATE_CREATE,
-		.rec = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
-		.eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
-		.connection_id = connection_id,
-		.contracts = seg_contract_manager_create(),
-		.imc_id = TNC_IMCID_ANY,
-		.jobj = json_object_new_object(),
-		.jarray = json_object_new_array(),
-	);
-
-	json_object_object_add(this->jobj, "data", this->jarray);
-
-	return &this->public.interface;
-}
-
-
diff --git a/src/libimcv/plugins/imv_swid/imv_swid_state.h b/src/libimcv/plugins/imv_swid/imv_swid_state.h
deleted file mode 100644
index 5fe99ecdc..000000000
--- a/src/libimcv/plugins/imv_swid/imv_swid_state.h
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Copyright (C) 2013-2016 Andreas Steffen
- * HSR Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- */
-
-/**
- * @defgroup imv_swid imv_swid
- * @ingroup libimcv_plugins
- *
- * @defgroup imv_swid_state_t imv_swid_state
- * @{ @ingroup imv_swid
- */
-
-#ifndef IMV_SWID_STATE_H_
-#define IMV_SWID_STATE_H_
-
-#include <imv/imv_state.h>
-#include <swid/swid_inventory.h>
-#include <library.h>
-
-#include <json.h>
-
-typedef struct imv_swid_state_t imv_swid_state_t;
-typedef enum imv_swid_handshake_state_t imv_swid_handshake_state_t;
-
-/**
- * IMV OS Handshake States (state machine)
- */
-enum imv_swid_handshake_state_t {
-	IMV_SWID_STATE_INIT,
-	IMV_SWID_STATE_WORKITEMS,
-	IMV_SWID_STATE_END
-};
-
-/**
- * Internal state of an imv_swid_t connection instance
- */
-struct imv_swid_state_t {
-
-	/**
-	 * imv_state_t interface
-	 */
-	imv_state_t interface;
-
-	/**
-	 * Set state of the handshake
-	 *
-	 * @param new_state			the handshake state of IMV
-	 */
-	void (*set_handshake_state)(imv_swid_state_t *this,
-								imv_swid_handshake_state_t new_state);
-
-	/**
-	 * Get state of the handshake
-	 *
-	 * @return					the handshake state of IMV
-	 */
-	imv_swid_handshake_state_t (*get_handshake_state)(imv_swid_state_t *this);
-
-	/**
-	 * Set the SWID request ID
-	 *
-	 * @param request_id		SWID request ID to be set
-	 */
-	void (*set_request_id)(imv_swid_state_t *this, uint32_t request_id);
-
-	/**
-	 * Get the SWID request ID
-	 *
-	 * @return					SWID request ID
-	 */
-	uint32_t (*get_request_id)(imv_swid_state_t *this);
-
-	/**
-	 * Set or extend the SWID Tag ID inventory in the state
-	 *
-	 * @param inventory			SWID Tags ID inventory to be added
-	 */
-	void (*set_swid_inventory)(imv_swid_state_t *this, swid_inventory_t *inventory);
-
-	/**
-	 * Get the encoding of the complete SWID Tag ID inventory
-	 *
-	 * @return			       SWID Tags ID inventory as a JSON array
-	 */
-	json_object* (*get_swid_inventory)(imv_swid_state_t *this);
-
-	/**
-	 * Set the number of still missing SWID Tags or Tag IDs
-	 *
-	 * @param count				Number of missing SWID Tags or Tag IDs
-	 */
-	void (*set_missing)(imv_swid_state_t *this, uint32_t count);
-
-	/**
-	 * Get the number of still missing SWID Tags or Tag IDs
-	 *
-	 * @result					Number of missing SWID Tags or Tag IDs
-	 */
-	uint32_t (*get_missing)(imv_swid_state_t *this);
-
-	/**
-	 * Set [or with multiple attributes increment] SWID Tag [ID] counters
-	 *
-	 * @param tag_id_count		Number of received SWID Tag IDs
-	 * @param tag_count			Number of received SWID Tags
-	 * @param imc_id			SWID IMC ID
-	 */
-	void (*set_count)(imv_swid_state_t *this, int tag_id_count, int tag_count,
-					  TNC_UInt32 imc_id);
-
-	/**
-	 * Set [or with multiple attributes increment] SWID Tag [ID] counters
-	 *
-	 * @param tag_id_count		Number of received SWID Tag IDs
-	 * @param tag_count			Number of received SWID Tags
-	 */
-	void (*get_count)(imv_swid_state_t *this, int *tag_id_count, int *tag_count);
-
-	/**
-	 * Get SWID IMC ID
-	 *
-	 * @return					SWID IMC ID
-	 */
-	TNC_UInt32 (*get_imc_id)(imv_swid_state_t *this);
-};
-
-/**
- * Create an imv_swid_state_t instance
- *
- * @param id			connection ID
- */
-imv_state_t* imv_swid_state_create(TNC_ConnectionID id);
-
-#endif /** IMV_SWID_STATE_H_ @}*/
diff --git a/src/libimcv/plugins/imv_swima/Makefile.in b/src/libimcv/plugins/imv_swima/Makefile.in
index e2132b576..a9c7715ec 100644
--- a/src/libimcv/plugins/imv_swima/Makefile.in
+++ b/src/libimcv/plugins/imv_swima/Makefile.in
@@ -311,7 +311,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -337,6 +336,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -357,8 +358,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -413,8 +412,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -443,8 +440,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
diff --git a/src/libimcv/plugins/imv_swima/imv_swima_agent.c b/src/libimcv/plugins/imv_swima/imv_swima_agent.c
index 1d9944200..52f1baf03 100644
--- a/src/libimcv/plugins/imv_swima/imv_swima_agent.c
+++ b/src/libimcv/plugins/imv_swima/imv_swima_agent.c
@@ -187,11 +187,17 @@ static TNC_Result receive_msg(private_imv_swima_agent_t *this,
 				}
 				description = reader->peek(reader);
 				if (description.len)
-				{ 
+				{
 					DBG1(DBG_IMV, "  description: %.*s", description.len,
 														 description.ptr);
 				}
 				reader->destroy(reader);
+				if (error_code.type == PA_ERROR_SWIMA_SUBSCRIPTION_DENIED)
+				{
+					swima_state->set_subscription(swima_state, FALSE);
+					DBG1(DBG_IMV, "SWIMA subscription %u cleared",
+								   swima_state->get_request_id(swima_state));
+				}
 				break;
 			}
 			case IETF_ATTR_SW_ID_INVENTORY:
@@ -474,7 +480,7 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
 		seg_contract_t *contract;
 		seg_contract_manager_t *contracts;
 		swima_inventory_t *targets;
-		uint32_t earliest_eid = 0;
+		uint32_t old_request_id = 0, earliest_eid = 0;
 		char buf[BUF_LEN];
 
 		enumerator = session->create_workitem_enumerator(session);
@@ -487,7 +493,13 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
 				{
 					continue;
 				}
-				
+
+				earliest_eid = workitem->get_arg_int(workitem);
+				request_id = workitem->get_id(workitem);
+				workitem->set_imv_id(workitem, imv_id);
+				no_workitems = FALSE;
+				old_request_id = swima_state->get_request_id(swima_state);
+
 				flags = IETF_SWIMA_ATTR_REQ_FLAG_NONE;
 				if (strchr(workitem->get_arg_str(workitem), 'R'))
 				{
@@ -496,47 +508,57 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
 				if (strchr(workitem->get_arg_str(workitem), 'S'))
 				{
 					flags |= IETF_SWIMA_ATTR_REQ_FLAG_S;
+					swima_state->set_subscription(swima_state, TRUE);
+					if (!old_request_id)
+					{
+						DBG1(DBG_IMV, "SWIMA subscription %u requested",
+									   request_id);
+					}
 				}
 				if (strchr(workitem->get_arg_str(workitem), 'C'))
 				{
 					flags |= IETF_SWIMA_ATTR_REQ_FLAG_C;
+					swima_state->set_subscription(swima_state, FALSE);
 				}
-				earliest_eid = workitem->get_arg_int(workitem);
-
-				/* Determine maximum PA-TNC attribute segment size */
-				max_seg_size = state->get_max_msg_len(state)
-								- PA_TNC_HEADER_SIZE 
-								- PA_TNC_ATTR_HEADER_SIZE
-								- TCG_SEG_ATTR_SEG_ENV_HEADER;
-
-				/* Announce support of PA-TNC segmentation to IMC */
-				contract = seg_contract_create(msg_types[0], max_attr_size,
-									max_seg_size, TRUE, imv_id, FALSE);
-				contract->get_info_string(contract, buf, BUF_LEN, TRUE);
-				DBG2(DBG_IMV, "%s", buf);
-				contracts = state->get_contracts(state);
-				contracts->add_contract(contracts, contract);
-				attr = tcg_seg_attr_max_size_create(max_attr_size,
-													max_seg_size, TRUE);
-				out_msg->add_attribute(out_msg, attr);
-
-				/* Issue a SWID request */
-				request_id = workitem->get_id(workitem);
-				swima_state->set_request_id(swima_state, request_id);
-				attr = ietf_swima_attr_req_create(flags, request_id);
 
-				/* Request software identifier events */
-				targets = swima_inventory_create();
-				targets->set_eid(targets, earliest_eid, 0);
-				cast_attr = (ietf_swima_attr_req_t*)attr;
-				cast_attr->set_targets(cast_attr, targets);
-				targets->destroy(targets);
+				if (!old_request_id)
+				{
+					/* Determine maximum PA-TNC attribute segment size */
+					max_seg_size = state->get_max_msg_len(state)
+									- PA_TNC_HEADER_SIZE
+									- PA_TNC_ATTR_HEADER_SIZE
+									- TCG_SEG_ATTR_SEG_ENV_HEADER;
+
+					/* Announce support of PA-TNC segmentation to IMC */
+					contract = seg_contract_create(msg_types[0], max_attr_size,
+										max_seg_size, TRUE, imv_id, FALSE);
+					contract->get_info_string(contract, buf, BUF_LEN, TRUE);
+					DBG2(DBG_IMV, "%s", buf);
+					contracts = state->get_contracts(state);
+					contracts->add_contract(contracts, contract);
+					attr = tcg_seg_attr_max_size_create(max_attr_size,
+														max_seg_size, TRUE);
+					out_msg->add_attribute(out_msg, attr);
+				}
 
-				out_msg->add_attribute(out_msg, attr);
-				workitem->set_imv_id(workitem, imv_id);
-				no_workitems = FALSE;
-				DBG2(DBG_IMV, "IMV %d issues sw request %d with earliest eid %d",
-							   imv_id, request_id, earliest_eid);
+				if (!old_request_id ||
+					!swima_state->get_subscription(swima_state))
+				{
+					/* Issue a SWID request */
+					swima_state->set_request_id(swima_state, request_id);
+					attr = ietf_swima_attr_req_create(flags, request_id);
+
+					/* Request software identifier events */
+					targets = swima_inventory_create();
+					targets->set_eid(targets, earliest_eid, 0);
+					cast_attr = (ietf_swima_attr_req_t*)attr;
+					cast_attr->set_targets(cast_attr, targets);
+					targets->destroy(targets);
+
+					out_msg->add_attribute(out_msg, attr);
+					DBG2(DBG_IMV, "IMV %d issues sw request %d with earliest "
+								  "eid %d", imv_id, request_id, earliest_eid);
+				}
 				break;
 			}
 			enumerator->destroy(enumerator);
@@ -565,7 +587,7 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
 		TNC_IMV_Action_Recommendation rec;
 		char result_str[BUF_LEN], *format = NULL, *cmd = NULL, *command;
 		char *target_str, *error_str = "";
-		int sw_id_count, tag_count, i, res;
+		int sw_id_count, tag_count, i, res, written;
 		json_object *jrequest, *jresponse, *jvalue;
 		ietf_swima_attr_req_t *cast_attr;
 		swima_inventory_t *targets;
@@ -617,16 +639,24 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
 														  &tag_count);
 						if (format)
 						{
-							snprintf(result_str, BUF_LEN, format,
+							written = snprintf(result_str, BUF_LEN, format,
 								sw_id_count, (sw_id_count == 1) ? "" : "s",
 								tag_count,   (tag_count   == 1) ? "" : "s");
 						}
 						else
 						{
-							snprintf(result_str, BUF_LEN, "received %d SWID tag"
-								"%s", tag_count, (tag_count == 1) ? "" : "s");
+							written = snprintf(result_str, BUF_LEN,
+								"received %d SWID tag%s",
+								tag_count, (tag_count == 1) ? "" : "s");
 
 						}
+						if (swima_state->get_subscription(swima_state) &&
+							written > 0 && written < BUF_LEN)
+						{
+							snprintf(result_str + written, BUF_LEN - written,
+								" from subscription %u",
+								swima_state->get_request_id(swima_state));
+						}
 						session->remove_workitem(session, enumerator);
 
 						eval = TNC_IMV_EVALUATION_RESULT_COMPLIANT;
diff --git a/src/libimcv/plugins/imv_swima/imv_swima_state.c b/src/libimcv/plugins/imv_swima/imv_swima_state.c
index 03500bc2d..7d9631d3f 100644
--- a/src/libimcv/plugins/imv_swima/imv_swima_state.c
+++ b/src/libimcv/plugins/imv_swima/imv_swima_state.c
@@ -101,6 +101,11 @@ struct private_imv_swima_state_t {
 	imv_remediation_string_t *remediation_string;
 
 	/**
+	 * Has a subscription been established?
+	 */
+	bool has_subscription;
+
+	/**
 	 * SWID Tag Request ID
 	 */
 	uint32_t request_id;
@@ -204,10 +209,14 @@ METHOD(imv_state_t, get_contracts, seg_contract_manager_t*,
 	return this->contracts;
 }
 
-METHOD(imv_state_t, change_state, void,
+METHOD(imv_state_t, change_state, TNC_ConnectionState,
 	private_imv_swima_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imv_state_t, get_recommendation, void,
@@ -248,13 +257,28 @@ METHOD(imv_state_t, get_remediation_instructions, bool,
 	return FALSE;
 }
 
+METHOD(imv_state_t, reset, void,
+	private_imv_swima_state_t *this)
+{
+	this->rec  = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION;
+	this->eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+
+	this->action_flags = 0;
+
+	this->handshake_state = IMV_SWIMA_STATE_INIT;
+	this->sw_id_count = 0;
+	this->tag_count = 0;
+	this->missing = 0;
+
+	json_object_put(this->jobj);
+	this->jobj = json_object_new_object();
+}
+
 METHOD(imv_state_t, destroy, void,
 	private_imv_swima_state_t *this)
 {
 	json_object_put(this->jobj);
 	DESTROY_IF(this->session);
-	DESTROY_IF(this->reason_string);
-	DESTROY_IF(this->remediation_string);
 	this->contracts->destroy(this->contracts);
 	free(this);
 }
@@ -426,6 +450,18 @@ METHOD(imv_swima_state_t, get_imc_id, TNC_UInt32,
 	return this->imc_id;
 }
 
+METHOD(imv_swima_state_t, set_subscription, void,
+	private_imv_swima_state_t *this, bool set)
+{
+	this->has_subscription = set;
+}
+
+METHOD(imv_swima_state_t, get_subscription, bool,
+	private_imv_swima_state_t *this)
+{
+	return this->has_subscription;
+}
+
 /**
  * Described in header.
  */
@@ -453,6 +489,7 @@ imv_state_t *imv_swima_state_create(TNC_ConnectionID connection_id)
 				.update_recommendation = _update_recommendation,
 				.get_reason_string = _get_reason_string,
 				.get_remediation_instructions = _get_remediation_instructions,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
 			.set_handshake_state = _set_handshake_state,
@@ -467,6 +504,8 @@ imv_state_t *imv_swima_state_create(TNC_ConnectionID connection_id)
 			.set_count = _set_count,
 			.get_count = _get_count,
 			.get_imc_id = _get_imc_id,
+			.set_subscription = _set_subscription,
+			.get_subscription = _get_subscription,
 		},
 		.state = TNC_CONNECTION_STATE_CREATE,
 		.rec = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
diff --git a/src/libimcv/plugins/imv_swima/imv_swima_state.h b/src/libimcv/plugins/imv_swima/imv_swima_state.h
index 4fa32daf4..e2f805189 100644
--- a/src/libimcv/plugins/imv_swima/imv_swima_state.h
+++ b/src/libimcv/plugins/imv_swima/imv_swima_state.h
@@ -141,6 +141,20 @@ struct imv_swima_state_t {
 	 * @return					SWID IMC ID
 	 */
 	TNC_UInt32 (*get_imc_id)(imv_swima_state_t *this);
+
+	/**
+	 * Set or clear a subscription
+	 *
+	 * @param set				TRUE sets and FALSE clears a subscripton
+	 */
+	void (*set_subscription)(imv_swima_state_t *this, bool set);
+
+	/**
+	 * Get the subscription status
+	 *
+	 * @return					TRUE if subscription is set
+	 */
+	bool (*get_subscription)(imv_swima_state_t *this);
 };
 
 /**
diff --git a/src/libimcv/plugins/imv_test/Makefile.in b/src/libimcv/plugins/imv_test/Makefile.in
index b583a32c2..d9b1725d2 100644
--- a/src/libimcv/plugins/imv_test/Makefile.in
+++ b/src/libimcv/plugins/imv_test/Makefile.in
@@ -309,7 +309,6 @@ PYTHON_VERSION = @PYTHON_VERSION@
 PY_TEST = @PY_TEST@
 RANLIB = @RANLIB@
 RTLIB = @RTLIB@
-RUBY = @RUBY@
 RUBYGEMDIR = @RUBYGEMDIR@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -335,6 +334,8 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 attest_plugins = @attest_plugins@
 bindir = @bindir@
+botan_CFLAGS = @botan_CFLAGS@
+botan_LIBS = @botan_LIBS@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
@@ -355,8 +356,6 @@ dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 fips_mode = @fips_mode@
 fuzz_plugins = @fuzz_plugins@
-gtk_CFLAGS = @gtk_CFLAGS@
-gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -411,8 +410,6 @@ random_device = @random_device@
 resolv_conf = @resolv_conf@
 routing_table = @routing_table@
 routing_table_prio = @routing_table_prio@
-ruby_CFLAGS = @ruby_CFLAGS@
-ruby_LIBS = @ruby_LIBS@
 runstatedir = @runstatedir@
 s_plugins = @s_plugins@
 sbindir = @sbindir@
@@ -441,8 +438,12 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 tss2_CFLAGS = @tss2_CFLAGS@
 tss2_LIBS = @tss2_LIBS@
+tss2_esys_CFLAGS = @tss2_esys_CFLAGS@
+tss2_esys_LIBS = @tss2_esys_LIBS@
 tss2_socket_CFLAGS = @tss2_socket_CFLAGS@
 tss2_socket_LIBS = @tss2_socket_LIBS@
+tss2_sys_CFLAGS = @tss2_sys_CFLAGS@
+tss2_sys_LIBS = @tss2_sys_LIBS@
 tss2_tabrmd_CFLAGS = @tss2_tabrmd_CFLAGS@
 tss2_tabrmd_LIBS = @tss2_tabrmd_LIBS@
 urandom_device = @urandom_device@
diff --git a/src/libimcv/plugins/imv_test/imv_test_state.c b/src/libimcv/plugins/imv_test/imv_test_state.c
index c20d00bd1..fe6bf18b2 100644
--- a/src/libimcv/plugins/imv_test/imv_test_state.c
+++ b/src/libimcv/plugins/imv_test/imv_test_state.c
@@ -173,10 +173,14 @@ METHOD(imv_state_t, get_contracts, seg_contract_manager_t*,
 	return this->contracts;
 }
 
-METHOD(imv_state_t, change_state, void,
+METHOD(imv_state_t, change_state, TNC_ConnectionState,
 	private_imv_test_state_t *this, TNC_ConnectionState new_state)
 {
+	TNC_ConnectionState old_state;
+
+	old_state = this->state;
 	this->state = new_state;
+	return old_state;
 }
 
 METHOD(imv_state_t, get_recommendation, void,
@@ -226,6 +230,20 @@ METHOD(imv_state_t, get_remediation_instructions, bool,
 	return FALSE;
 }
 
+METHOD(imv_state_t, reset, void,
+	private_imv_test_state_t *this)
+{
+	DESTROY_IF(this->reason_string);
+	this->reason_string = NULL;
+	this->rec  = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION;
+	this->eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+
+	this->imcs->destroy_function(this->imcs, free);
+	this->imcs = linked_list_create();
+
+}
+
+
 METHOD(imv_state_t, destroy, void,
 	private_imv_test_state_t *this)
 {
@@ -326,6 +344,7 @@ imv_state_t *imv_test_state_create(TNC_ConnectionID connection_id)
 				.update_recommendation = _update_recommendation,
 				.get_reason_string = _get_reason_string,
 				.get_remediation_instructions = _get_remediation_instructions,
+				.reset = _reset,
 				.destroy = _destroy,
 			},
 			.add_imc = _add_imc,