Imported Upstream version 4.6.4

7 files changed, 1733 insertions, 0 deletions

diff --git a/src/libpts/plugins/imc_attestation/Makefile.am b/src/libpts/plugins/imc_attestation/Makefile.am
new file mode 100644
index 000000000..9d78b935a
--- /dev/null
+++ b/src/libpts/plugins/imc_attestation/Makefile.am
@@ -0,0 +1,18 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libtncif \
+	-I$(top_srcdir)/src/libimcv -I$(top_srcdir)/src/libpts
+
+AM_CFLAGS = -rdynamic
+
+imcv_LTLIBRARIES = imc-attestation.la
+
+imc_attestation_la_LIBADD = $(top_builddir)/src/libimcv/libimcv.la \
+	$(top_builddir)/src/libstrongswan/libstrongswan.la \
+	$(top_builddir)/src/libpts/libpts.la
+
+imc_attestation_la_SOURCES = imc_attestation.c \
+	imc_attestation_state.h imc_attestation_state.c \
+	imc_attestation_process.h imc_attestation_process.c
+
+imc_attestation_la_LDFLAGS = -module -avoid-version
+
diff --git a/src/libpts/plugins/imc_attestation/Makefile.in b/src/libpts/plugins/imc_attestation/Makefile.in
new file mode 100644
index 000000000..583d2dfee
--- /dev/null
+++ b/src/libpts/plugins/imc_attestation/Makefile.in
@@ -0,0 +1,608 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
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+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = src/libpts/plugins/imc_attestation
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
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+am__aclocal_m4_deps = $(top_srcdir)/m4/config/libtool.m4 \
+	$(top_srcdir)/m4/config/ltoptions.m4 \
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+	$(top_srcdir)/m4/config/ltversion.m4 \
+	$(top_srcdir)/m4/config/lt~obsolete.m4 \
+	$(top_srcdir)/m4/macros/with.m4 \
+	$(top_srcdir)/m4/macros/enable-disable.m4 \
+	$(top_srcdir)/m4/macros/add-plugin.m4 \
+	$(top_srcdir)/configure.in
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+am__installdirs = "$(DESTDIR)$(imcvdir)"
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+imc_attestation_la_DEPENDENCIES =  \
+	$(top_builddir)/src/libimcv/libimcv.la \
+	$(top_builddir)/src/libstrongswan/libstrongswan.la \
+	$(top_builddir)/src/libpts/libpts.la
+am_imc_attestation_la_OBJECTS = imc_attestation.lo \
+	imc_attestation_state.lo imc_attestation_process.lo
+imc_attestation_la_OBJECTS = $(am_imc_attestation_la_OBJECTS)
+imc_attestation_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(imc_attestation_la_LDFLAGS) $(LDFLAGS) -o $@
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+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
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+urandom_device = @urandom_device@
+xml_CFLAGS = @xml_CFLAGS@
+xml_LIBS = @xml_LIBS@
+INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libtncif \
+	-I$(top_srcdir)/src/libimcv -I$(top_srcdir)/src/libpts
+
+AM_CFLAGS = -rdynamic
+imcv_LTLIBRARIES = imc-attestation.la
+imc_attestation_la_LIBADD = $(top_builddir)/src/libimcv/libimcv.la \
+	$(top_builddir)/src/libstrongswan/libstrongswan.la \
+	$(top_builddir)/src/libpts/libpts.la
+
+imc_attestation_la_SOURCES = imc_attestation.c \
+	imc_attestation_state.h imc_attestation_state.c \
+	imc_attestation_process.h imc_attestation_process.c
+
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+
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+	      exit 1;; \
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+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/libpts/plugins/imc_attestation/Makefile
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+	  *config.status*) \
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+	done
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+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
+imc-attestation.la: $(imc_attestation_la_OBJECTS) $(imc_attestation_la_DEPENDENCIES) 
+	$(imc_attestation_la_LINK) -rpath $(imcvdir) $(imc_attestation_la_OBJECTS) $(imc_attestation_la_LIBADD) $(LIBS)
+
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+	-rm -f *.lo
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+clean-libtool:
+	-rm -rf .libs _libs
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+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(imcvdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-imcvLTLIBRARIES clean-libtool \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-imcvLTLIBRARIES
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-imcvLTLIBRARIES
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-imcvLTLIBRARIES clean-libtool ctags distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-imcvLTLIBRARIES install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-imcvLTLIBRARIES
+
+
+# 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/libpts/plugins/imc_attestation/imc_attestation.c b/src/libpts/plugins/imc_attestation/imc_attestation.c
new file mode 100644
index 000000000..4f77ba093
--- /dev/null
+++ b/src/libpts/plugins/imc_attestation/imc_attestation.c
@@ -0,0 +1,358 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * 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_attestation_state.h"
+#include "imc_attestation_process.h"
+
+#include <imc/imc_agent.h>
+#include <pa_tnc/pa_tnc_msg.h>
+#include <ietf/ietf_attr.h>
+#include <ietf/ietf_attr_pa_tnc_error.h>
+#include <ietf/ietf_attr_product_info.h>
+
+#include <libpts.h>
+
+#include <pts/pts_error.h>
+
+#include <tcg/tcg_pts_attr_proto_caps.h>
+#include <tcg/tcg_pts_attr_meas_algo.h>
+
+#include <tncif_pa_subtypes.h>
+
+#include <pen/pen.h>
+#include <debug.h>
+#include <utils/linked_list.h>
+
+/* IMC definitions */
+
+static const char imc_name[] = "Attestation";
+
+#define IMC_VENDOR_ID				PEN_TCG
+#define IMC_SUBTYPE					PA_SUBTYPE_TCG_PTS
+
+static imc_agent_t *imc_attestation;
+
+/**
+ * Supported PTS measurement algorithms
+ */
+static pts_meas_algorithms_t supported_algorithms = PTS_MEAS_ALGO_NONE;
+
+/**
+ * Supported PTS Diffie Hellman Groups
+ */
+static pts_dh_group_t supported_dh_groups = PTS_DH_GROUP_NONE;
+
+/**
+ * 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_attestation)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has already been initialized", imc_name);
+		return TNC_RESULT_ALREADY_INITIALIZED;
+	}
+	if (!pts_meas_algo_probe(&supported_algorithms) ||
+		!pts_dh_group_probe(&supported_dh_groups))
+	{
+		return TNC_RESULT_FATAL;
+	}
+	imc_attestation = imc_agent_create(imc_name, IMC_VENDOR_ID, IMC_SUBTYPE,
+									   imc_id, actual_version);
+	if (!imc_attestation)
+	{
+		return TNC_RESULT_FATAL;
+	}
+
+	libpts_init();
+	
+	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_attestation)
+	{
+		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_attestation_state_create(connection_id);
+			return imc_attestation->create_state(imc_attestation, state);
+		case TNC_CONNECTION_STATE_DELETE:
+			return imc_attestation->delete_state(imc_attestation, connection_id);
+		case TNC_CONNECTION_STATE_HANDSHAKE:
+		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);
+	}
+}
+
+
+/**
+ * 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_attestation_state_t *attestation_state;
+	pts_t *pts;
+	char *platform_info;
+	TNC_Result result = TNC_RESULT_SUCCESS;
+
+	if (!imc_attestation)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+
+	/* get current IMC state */
+	if (!imc_attestation->get_state(imc_attestation, connection_id, &state))
+	{
+		return TNC_RESULT_FATAL;
+	}
+	attestation_state = (imc_attestation_state_t*)state;
+	pts = attestation_state->get_pts(attestation_state);
+
+	platform_info = pts->get_platform_info(pts);
+	if (platform_info)
+	{
+		pa_tnc_msg_t *pa_tnc_msg;
+		pa_tnc_attr_t *attr;
+
+		pa_tnc_msg = pa_tnc_msg_create();
+		attr = ietf_attr_product_info_create(0, 0, platform_info);
+		pa_tnc_msg->add_attribute(pa_tnc_msg, attr);
+		pa_tnc_msg->build(pa_tnc_msg);
+		result = imc_attestation->send_message(imc_attestation, connection_id,
+										FALSE, 0, TNC_IMVID_ANY,
+										pa_tnc_msg->get_encoding(pa_tnc_msg));
+		pa_tnc_msg->destroy(pa_tnc_msg);
+	}
+
+	return result;
+}
+
+static TNC_Result receive_message(TNC_IMCID imc_id,
+								  TNC_ConnectionID connection_id,
+								  TNC_UInt32 msg_flags,
+								  chunk_t msg,
+								  TNC_VendorID msg_vid,
+								  TNC_MessageSubtype msg_subtype,
+								  TNC_UInt32 src_imv_id,
+								  TNC_UInt32 dst_imc_id)
+{
+	pa_tnc_msg_t *pa_tnc_msg;
+	pa_tnc_attr_t *attr;
+	linked_list_t *attr_list;
+	imc_state_t *state;
+	imc_attestation_state_t *attestation_state;
+	enumerator_t *enumerator;
+	TNC_Result result;
+
+	if (!imc_attestation)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+
+	/* get current IMC state */
+	if (!imc_attestation->get_state(imc_attestation, connection_id, &state))
+	{
+		return TNC_RESULT_FATAL;
+	}
+	attestation_state = (imc_attestation_state_t*)state;
+
+	/* parse received PA-TNC message and automatically handle any errors */
+	result = imc_attestation->receive_message(imc_attestation, state, msg,
+					msg_vid, msg_subtype, src_imv_id, dst_imc_id, &pa_tnc_msg);
+
+	/* no parsed PA-TNC attributes available if an error occurred */
+	if (!pa_tnc_msg)
+	{
+		return result;
+	}
+	
+	/* preprocess any IETF standard error attributes */
+	result = pa_tnc_msg->process_ietf_std_errors(pa_tnc_msg) ?
+					TNC_RESULT_FATAL : TNC_RESULT_SUCCESS;
+
+	attr_list = linked_list_create();
+
+	/* analyze PA-TNC attributes */
+	enumerator = pa_tnc_msg->create_attribute_enumerator(pa_tnc_msg);
+	while (enumerator->enumerate(enumerator, &attr))
+	{
+		if (attr->get_vendor_id(attr) == PEN_IETF &&
+			attr->get_type(attr) == IETF_ATTR_PA_TNC_ERROR)
+		{
+			ietf_attr_pa_tnc_error_t *error_attr;
+			pen_t error_vendor_id;
+			pa_tnc_error_code_t error_code;
+			chunk_t msg_info;
+
+			error_attr = (ietf_attr_pa_tnc_error_t*)attr;
+			error_vendor_id = error_attr->get_vendor_id(error_attr);
+
+			if (error_vendor_id == PEN_TCG)
+			{
+				error_code = error_attr->get_error_code(error_attr);
+				msg_info = error_attr->get_msg_info(error_attr);
+
+				DBG1(DBG_IMC, "received TCG-PTS error '%N'",
+					 pts_error_code_names, error_code);
+				DBG1(DBG_IMC, "error information: %B", &msg_info);
+
+				result = TNC_RESULT_FATAL;
+			}
+		}
+		else if (attr->get_vendor_id(attr) == PEN_TCG)
+		{
+			if (!imc_attestation_process(attr, attr_list, attestation_state,
+				supported_algorithms, supported_dh_groups))
+			{
+				result = TNC_RESULT_FATAL;
+				break;
+			}
+		}
+	}
+	enumerator->destroy(enumerator);
+	pa_tnc_msg->destroy(pa_tnc_msg);
+
+	if (result == TNC_RESULT_SUCCESS && attr_list->get_count(attr_list))
+	{
+		pa_tnc_msg = pa_tnc_msg_create();
+
+		enumerator = attr_list->create_enumerator(attr_list);
+		while (enumerator->enumerate(enumerator, &attr))
+		{
+			pa_tnc_msg->add_attribute(pa_tnc_msg, attr);
+		}
+		enumerator->destroy(enumerator);
+
+		pa_tnc_msg->build(pa_tnc_msg);
+		result = imc_attestation->send_message(imc_attestation, connection_id,
+										FALSE, 0, TNC_IMVID_ANY,
+										pa_tnc_msg->get_encoding(pa_tnc_msg));
+		pa_tnc_msg->destroy(pa_tnc_msg);
+	}
+
+	attr_list->destroy(attr_list);
+	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)
+{
+	TNC_VendorID msg_vid;
+	TNC_MessageSubtype msg_subtype;
+
+	msg_vid = msg_type >> 8;
+	msg_subtype = msg_type & TNC_SUBTYPE_ANY;
+
+	return receive_message(imc_id, connection_id, 0, chunk_create(msg, msg_len),
+						   msg_vid,	msg_subtype, 0, TNC_IMCID_ANY);
+}
+
+/**
+ * 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)
+{
+	return receive_message(imc_id, connection_id, msg_flags,
+						   chunk_create(msg, msg_len), msg_vid, msg_subtype,
+						   src_imv_id, dst_imc_id);
+}
+
+/**
+ * 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_attestation)
+	{
+		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_attestation)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+
+	libpts_deinit();
+
+	imc_attestation->destroy(imc_attestation);
+	imc_attestation = 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_attestation)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+	return imc_attestation->bind_functions(imc_attestation, bind_function);
+}
diff --git a/src/libpts/plugins/imc_attestation/imc_attestation_process.c b/src/libpts/plugins/imc_attestation/imc_attestation_process.c
new file mode 100644
index 000000000..b70c05370
--- /dev/null
+++ b/src/libpts/plugins/imc_attestation/imc_attestation_process.c
@@ -0,0 +1,466 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * 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>
+/* for isdigit */
+#include <ctype.h>
+
+#include "imc_attestation_process.h"
+
+#include <ietf/ietf_attr_pa_tnc_error.h>
+
+#include <libpts.h>
+#include <pts/pts.h>
+
+#include <tcg/tcg_pts_attr_proto_caps.h>
+#include <tcg/tcg_pts_attr_meas_algo.h>
+#include <tcg/tcg_pts_attr_dh_nonce_params_req.h>
+#include <tcg/tcg_pts_attr_dh_nonce_params_resp.h>
+#include <tcg/tcg_pts_attr_dh_nonce_finish.h>
+#include <tcg/tcg_pts_attr_get_tpm_version_info.h>
+#include <tcg/tcg_pts_attr_tpm_version_info.h>
+#include <tcg/tcg_pts_attr_get_aik.h>
+#include <tcg/tcg_pts_attr_aik.h>
+#include <tcg/tcg_pts_attr_req_func_comp_evid.h>
+#include <tcg/tcg_pts_attr_gen_attest_evid.h>
+#include <tcg/tcg_pts_attr_simple_comp_evid.h>
+#include <tcg/tcg_pts_attr_simple_evid_final.h>
+#include <tcg/tcg_pts_attr_req_file_meas.h>
+#include <tcg/tcg_pts_attr_file_meas.h>
+#include <tcg/tcg_pts_attr_req_file_meta.h>
+#include <tcg/tcg_pts_attr_unix_file_meta.h>
+
+#include <debug.h>
+#include <utils/lexparser.h>
+
+#define DEFAULT_NONCE_LEN		20
+
+bool imc_attestation_process(pa_tnc_attr_t *attr, linked_list_t *attr_list,
+							 imc_attestation_state_t *attestation_state,
+							 pts_meas_algorithms_t supported_algorithms,
+							 pts_dh_group_t supported_dh_groups)
+{
+	chunk_t attr_info;
+	pts_t *pts;
+	pts_error_code_t pts_error;
+	bool valid_path;
+
+	pts = attestation_state->get_pts(attestation_state);
+	switch (attr->get_type(attr))
+	{
+		case TCG_PTS_REQ_PROTO_CAPS:
+		{
+			tcg_pts_attr_proto_caps_t *attr_cast;
+			pts_proto_caps_flag_t imc_caps, imv_caps;
+
+			attr_cast = (tcg_pts_attr_proto_caps_t*)attr;
+			imv_caps = attr_cast->get_flags(attr_cast);
+			imc_caps = pts->get_proto_caps(pts);
+			pts->set_proto_caps(pts, imc_caps & imv_caps);
+
+			/* Send PTS Protocol Capabilities attribute */
+			attr = tcg_pts_attr_proto_caps_create(imc_caps & imv_caps, FALSE);
+			attr_list->insert_last(attr_list, attr);
+			break;
+		}
+		case TCG_PTS_MEAS_ALGO:
+		{
+			tcg_pts_attr_meas_algo_t *attr_cast;
+			pts_meas_algorithms_t offered_algorithms, selected_algorithm;
+
+			attr_cast = (tcg_pts_attr_meas_algo_t*)attr;
+			offered_algorithms = attr_cast->get_algorithms(attr_cast);
+			selected_algorithm = pts_meas_algo_select(supported_algorithms,
+													  offered_algorithms);
+			if (selected_algorithm == PTS_MEAS_ALGO_NONE)
+			{
+				attr = pts_hash_alg_error_create(supported_algorithms);
+				attr_list->insert_last(attr_list, attr);
+				break;
+			}
+
+			/* Send Measurement Algorithm Selection attribute */
+			pts->set_meas_algorithm(pts, selected_algorithm);
+			attr = tcg_pts_attr_meas_algo_create(selected_algorithm, TRUE);
+			attr_list->insert_last(attr_list, attr);
+			break;
+		}
+		case TCG_PTS_DH_NONCE_PARAMS_REQ:
+		{
+			tcg_pts_attr_dh_nonce_params_req_t *attr_cast;
+			pts_dh_group_t offered_dh_groups, selected_dh_group;
+			chunk_t responder_value, responder_nonce;
+			int nonce_len, min_nonce_len;
+
+			nonce_len = lib->settings->get_int(lib->settings,
+								"libimcv.plugins.imc-attestation.nonce_len",
+								 DEFAULT_NONCE_LEN);
+
+			attr_cast = (tcg_pts_attr_dh_nonce_params_req_t*)attr;
+			min_nonce_len = attr_cast->get_min_nonce_len(attr_cast);
+			if (nonce_len < PTS_MIN_NONCE_LEN ||
+				(min_nonce_len > 0 && nonce_len < min_nonce_len))
+			{
+				attr = pts_dh_nonce_error_create(nonce_len, PTS_MAX_NONCE_LEN);
+				attr_list->insert_last(attr_list, attr);
+				break;
+			}
+
+			offered_dh_groups = attr_cast->get_dh_groups(attr_cast);
+			selected_dh_group = pts_dh_group_select(supported_dh_groups,
+													offered_dh_groups);
+			if (selected_dh_group == PTS_DH_GROUP_NONE)
+			{
+				attr = pts_dh_group_error_create(supported_dh_groups);
+				attr_list->insert_last(attr_list, attr);
+				break;
+			}
+
+			/* Create own DH factor and nonce */
+			if (!pts->create_dh_nonce(pts, selected_dh_group, nonce_len))
+			{
+				return FALSE;
+			}
+			pts->get_my_public_value(pts, &responder_value, &responder_nonce);
+
+			/* Send DH Nonce Parameters Response attribute */
+			attr = tcg_pts_attr_dh_nonce_params_resp_create(selected_dh_group,
+					 supported_algorithms, responder_nonce, responder_value);
+			attr_list->insert_last(attr_list, attr);
+			break;
+		}
+		case TCG_PTS_DH_NONCE_FINISH:
+		{
+			tcg_pts_attr_dh_nonce_finish_t *attr_cast;
+			pts_meas_algorithms_t selected_algorithm;
+			chunk_t initiator_nonce, initiator_value;
+			int nonce_len;
+
+			attr_cast = (tcg_pts_attr_dh_nonce_finish_t*)attr;
+			selected_algorithm = attr_cast->get_hash_algo(attr_cast);
+			if (!(selected_algorithm & supported_algorithms))
+			{
+				DBG1(DBG_IMC, "PTS-IMV selected unsupported DH hash algorithm");
+				return FALSE;
+			}
+			pts->set_dh_hash_algorithm(pts, selected_algorithm);
+
+			initiator_value = attr_cast->get_initiator_value(attr_cast);
+			initiator_nonce = attr_cast->get_initiator_nonce(attr_cast);
+
+			nonce_len = lib->settings->get_int(lib->settings,
+								"libimcv.plugins.imc-attestation.nonce_len",
+								 DEFAULT_NONCE_LEN);
+			if (nonce_len != initiator_nonce.len)
+			{
+				DBG1(DBG_IMC, "initiator and responder DH nonces "
+							  "have differing lengths");
+				return FALSE;
+			}
+					
+			pts->set_peer_public_value(pts, initiator_value, initiator_nonce);
+			if (!pts->calculate_secret(pts))
+			{
+				return FALSE;
+			}
+			break;
+		}
+		case TCG_PTS_GET_TPM_VERSION_INFO:
+		{
+			chunk_t tpm_version_info, attr_info;
+
+			if (!pts->get_tpm_version_info(pts, &tpm_version_info))
+			{
+				attr_info = attr->get_value(attr);
+				attr = ietf_attr_pa_tnc_error_create(PEN_TCG,
+							TCG_PTS_TPM_VERS_NOT_SUPPORTED, attr_info);
+				attr_list->insert_last(attr_list, attr);
+				break;
+			}
+
+			/* Send TPM Version Info attribute */
+			attr = tcg_pts_attr_tpm_version_info_create(tpm_version_info);
+			attr_list->insert_last(attr_list, attr);
+			break;
+		}
+		case TCG_PTS_GET_AIK:
+		{
+			certificate_t *aik;
+
+			aik = pts->get_aik(pts);
+			if (!aik)
+			{
+				DBG1(DBG_IMC, "no AIK certificate or public key available");
+				break;
+			}
+
+			/* Send AIK attribute */
+			attr = tcg_pts_attr_aik_create(aik);
+			attr_list->insert_last(attr_list, attr);
+			break;
+		}
+		case TCG_PTS_REQ_FILE_MEAS:
+		{
+			tcg_pts_attr_req_file_meas_t *attr_cast;
+			char *pathname;
+			u_int16_t request_id;
+			bool is_directory;
+			u_int32_t delimiter;
+			pts_file_meas_t *measurements;
+
+			attr_info = attr->get_value(attr);
+			attr_cast = (tcg_pts_attr_req_file_meas_t*)attr;
+			is_directory = attr_cast->get_directory_flag(attr_cast);
+			request_id = attr_cast->get_request_id(attr_cast);
+			delimiter = attr_cast->get_delimiter(attr_cast);
+			pathname = attr_cast->get_pathname(attr_cast);
+			valid_path = pts->is_path_valid(pts, pathname, &pts_error);
+
+			if (valid_path && pts_error)
+			{
+				attr = ietf_attr_pa_tnc_error_create(PEN_TCG,
+										pts_error, attr_info);
+				attr_list->insert_last(attr_list, attr);
+				break;
+			}
+			else if (!valid_path)
+			{
+				break;
+			}
+
+			if (delimiter != SOLIDUS_UTF && delimiter != REVERSE_SOLIDUS_UTF)
+			{
+				attr = ietf_attr_pa_tnc_error_create(PEN_TCG,
+										TCG_PTS_INVALID_DELIMITER, attr_info);
+				attr_list->insert_last(attr_list, attr);
+				break;
+			}
+
+			/* Do PTS File Measurements and send them to PTS-IMV */
+			DBG2(DBG_IMC, "measurement request %d for %s '%s'",
+				 request_id, is_directory ? "directory" : "file",
+				 pathname);
+			measurements = pts->do_measurements(pts, request_id,
+									pathname, is_directory);
+			if (!measurements)
+			{
+				/* TODO handle error codes from measurements */
+				return FALSE;
+			}
+			attr = tcg_pts_attr_file_meas_create(measurements);
+			attr->set_noskip_flag(attr, TRUE);
+			attr_list->insert_last(attr_list, attr);
+			break;
+		}
+		case TCG_PTS_REQ_FILE_META:
+		{
+			tcg_pts_attr_req_file_meta_t *attr_cast;
+			char *pathname;
+			bool is_directory;
+			u_int8_t delimiter;
+			pts_file_meta_t *metadata;
+
+			attr_info = attr->get_value(attr);
+			attr_cast = (tcg_pts_attr_req_file_meta_t*)attr;
+			is_directory = attr_cast->get_directory_flag(attr_cast);
+			delimiter = attr_cast->get_delimiter(attr_cast);
+			pathname = attr_cast->get_pathname(attr_cast);
+
+			valid_path = pts->is_path_valid(pts, pathname, &pts_error);
+			if (valid_path && pts_error)
+			{
+				attr = ietf_attr_pa_tnc_error_create(PEN_TCG,
+										pts_error, attr_info);
+				attr_list->insert_last(attr_list, attr);
+				break;
+			}
+			else if (!valid_path)
+			{
+				break;
+			}
+			if (delimiter != SOLIDUS_UTF && delimiter != REVERSE_SOLIDUS_UTF)
+			{
+				attr = ietf_attr_pa_tnc_error_create(PEN_TCG,
+										TCG_PTS_INVALID_DELIMITER, attr_info);
+				attr_list->insert_last(attr_list, attr);
+				break;
+			}
+			/* Get File Metadata and send them to PTS-IMV */
+			DBG2(DBG_IMC, "metadata request for %s '%s'",
+					is_directory ? "directory" : "file",
+					pathname);
+			metadata = pts->get_metadata(pts, pathname, is_directory);
+
+			if (!metadata)
+			{
+				/* TODO handle error codes from measurements */
+				return FALSE;
+			}
+			attr = tcg_pts_attr_unix_file_meta_create(metadata);
+			attr->set_noskip_flag(attr, TRUE);
+			attr_list->insert_last(attr_list, attr);
+
+			break;
+		}
+		case TCG_PTS_REQ_FUNC_COMP_EVID:
+		{
+			tcg_pts_attr_req_func_comp_evid_t *attr_cast;
+			pts_proto_caps_flag_t negotiated_caps;
+			pts_comp_func_name_t *name;
+			pts_comp_evidence_t *evid;
+			pts_component_t *comp;
+			u_int32_t depth;
+			u_int8_t flags;
+			status_t status;
+			enumerator_t *e;
+			
+			attr_info = attr->get_value(attr);
+			attr_cast = (tcg_pts_attr_req_func_comp_evid_t*)attr;
+
+			DBG1(DBG_IMC, "evidence requested for %d functional components",
+						   attr_cast->get_count(attr_cast));
+
+			e = attr_cast->create_enumerator(attr_cast);
+			while (e->enumerate(e, &flags, &depth, &name))
+			{
+				name->log(name, "* ");
+				negotiated_caps = pts->get_proto_caps(pts);
+
+				if (flags & PTS_REQ_FUNC_COMP_EVID_TTC)
+				{
+					attr = ietf_attr_pa_tnc_error_create(PEN_TCG,
+											TCG_PTS_UNABLE_DET_TTC, attr_info);
+					attr_list->insert_last(attr_list, attr);
+					break;
+				}
+				if (flags & PTS_REQ_FUNC_COMP_EVID_VER &&
+					!(negotiated_caps & PTS_PROTO_CAPS_V))
+				{
+					attr = ietf_attr_pa_tnc_error_create(PEN_TCG,
+										TCG_PTS_UNABLE_LOCAL_VAL, attr_info);
+					attr_list->insert_last(attr_list, attr);
+					break;
+				}
+				if (flags & PTS_REQ_FUNC_COMP_EVID_CURR &&
+					!(negotiated_caps & PTS_PROTO_CAPS_C))
+				{
+					attr = ietf_attr_pa_tnc_error_create(PEN_TCG,
+										TCG_PTS_UNABLE_CUR_EVID, attr_info);
+					attr_list->insert_last(attr_list, attr);
+					break;
+				}
+				if (flags & PTS_REQ_FUNC_COMP_EVID_PCR &&
+					!(negotiated_caps & PTS_PROTO_CAPS_T))
+				{
+					attr = ietf_attr_pa_tnc_error_create(PEN_TCG,
+										TCG_PTS_UNABLE_DET_PCR, attr_info);
+					attr_list->insert_last(attr_list, attr);
+					break;
+				}
+				if (depth > 0)
+				{
+					DBG1(DBG_IMC, "the Attestation IMC currently does not "
+								  "support sub component measurements");
+					return FALSE;
+				}
+				comp = pts_components->create(pts_components, name, depth, NULL);
+				if (!comp)
+				{
+					DBG2(DBG_IMC, "    not registered: no evidence provided");
+					continue;
+				}
+
+				/* do the component evidence measurement[s] */
+				do
+				{
+					status = comp->measure(comp, pts, &evid);
+					if (status == FAILED)
+					{
+						break;
+					}
+					attestation_state->add_evidence(attestation_state, evid);
+				}
+				while (status == NEED_MORE);
+				comp->destroy(comp);
+			}
+			e->destroy(e);
+			break;
+		}
+		case TCG_PTS_GEN_ATTEST_EVID:
+		{
+			pts_simple_evid_final_flag_t flags;
+			pts_meas_algorithms_t comp_hash_algorithm;
+			pts_comp_evidence_t *evid;
+			chunk_t pcr_composite, quote_sig;
+			bool use_quote2;
+
+			/* Send buffered Simple Component Evidences */
+			while (attestation_state->next_evidence(attestation_state, &evid))
+			{
+				pts->select_pcr(pts, evid->get_extended_pcr(evid));
+
+				/* Send Simple Component Evidence */
+				attr = tcg_pts_attr_simple_comp_evid_create(evid);
+				attr_list->insert_last(attr_list, attr);
+			}
+
+			use_quote2 = lib->settings->get_bool(lib->settings,
+							"libimcv.plugins.imc-attestation.use_quote2", TRUE);
+			if (!pts->quote_tpm(pts, use_quote2, &pcr_composite, &quote_sig))
+			{
+				DBG1(DBG_IMC, "error occurred during TPM quote operation");
+				return FALSE;
+			}
+
+			/* Send Simple Evidence Final attribute */
+			flags = use_quote2 ? PTS_SIMPLE_EVID_FINAL_QUOTE_INFO2 :
+								 PTS_SIMPLE_EVID_FINAL_QUOTE_INFO;
+			comp_hash_algorithm = PTS_MEAS_ALGO_SHA1;
+
+			attr = tcg_pts_attr_simple_evid_final_create(flags,
+								comp_hash_algorithm, pcr_composite, quote_sig);
+			attr_list->insert_last(attr_list, attr);
+			break;
+		}
+		/* TODO: Not implemented yet */
+		case TCG_PTS_REQ_INTEG_MEAS_LOG:
+		/* Attributes using XML */
+		case TCG_PTS_REQ_TEMPL_REF_MANI_SET_META:
+		case TCG_PTS_UPDATE_TEMPL_REF_MANI:
+		/* On Windows only*/
+		case TCG_PTS_REQ_REGISTRY_VALUE:
+		/* Received on IMV side only*/
+		case TCG_PTS_PROTO_CAPS:
+		case TCG_PTS_DH_NONCE_PARAMS_RESP:
+		case TCG_PTS_MEAS_ALGO_SELECTION:
+		case TCG_PTS_TPM_VERSION_INFO:
+		case TCG_PTS_TEMPL_REF_MANI_SET_META:
+		case TCG_PTS_AIK:
+		case TCG_PTS_SIMPLE_COMP_EVID:
+		case TCG_PTS_SIMPLE_EVID_FINAL:
+		case TCG_PTS_VERIFICATION_RESULT:
+		case TCG_PTS_INTEG_REPORT:
+		case TCG_PTS_UNIX_FILE_META:
+		case TCG_PTS_FILE_MEAS:
+		case TCG_PTS_INTEG_MEAS_LOG:
+		default:
+			DBG1(DBG_IMC, "received unsupported attribute '%N'",
+				tcg_attr_names, attr->get_type(attr));
+			break;
+	}
+	return TRUE;
+}
diff --git a/src/libpts/plugins/imc_attestation/imc_attestation_process.h b/src/libpts/plugins/imc_attestation/imc_attestation_process.h
new file mode 100644
index 000000000..b6dca1f56
--- /dev/null
+++ b/src/libpts/plugins/imc_attestation/imc_attestation_process.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * 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_attestation_process_t imc_attestation_process
+ * @{ @ingroup imc_attestation_process
+ */
+
+#ifndef IMC_ATTESTATION_PROCESS_H_
+#define IMC_ATTESTATION_PROCESS_H_
+
+#include "imc_attestation_state.h"
+
+#include <library.h>
+
+#include <pa_tnc/pa_tnc_attr.h>
+
+#include <pts/pts_dh_group.h>
+#include <pts/pts_meas_algo.h>
+
+/**
+ * Process a TCG PTS attribute
+ *
+ * @param attr					PA-TNC attribute to be processed
+ * @param attr_list				list with PA-TNC error attributes
+ * @param attestation_state		attestation state of a given connection
+ * @param supported_algorithms	supported PTS measurement algorithms
+ * @param supported_dh_groups	supported DH groups
+ * @return						TRUE if successful
+ */
+bool imc_attestation_process(pa_tnc_attr_t *attr, linked_list_t *attr_list,
+							 imc_attestation_state_t *attestation_state,
+							 pts_meas_algorithms_t supported_algorithms,
+							 pts_dh_group_t supported_dh_groups);
+
+#endif /** IMC_ATTESTATION_PROCESS_H_ @}*/
diff --git a/src/libpts/plugins/imc_attestation/imc_attestation_state.c b/src/libpts/plugins/imc_attestation/imc_attestation_state.c
new file mode 100644
index 000000000..72a55f60e
--- /dev/null
+++ b/src/libpts/plugins/imc_attestation/imc_attestation_state.c
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * 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_attestation_state.h"
+
+#include <utils/linked_list.h>
+#include <debug.h>
+
+typedef struct private_imc_attestation_state_t private_imc_attestation_state_t;
+
+/**
+ * Private data of an imc_attestation_state_t object.
+ */
+struct private_imc_attestation_state_t {
+
+	/**
+	 * Public members of imc_attestation_state_t
+	 */
+	imc_attestation_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;
+
+	/**
+	 * PTS object
+	 */
+	pts_t *pts;
+
+	/**
+	 * PTS Component Evidence list
+	 */
+	linked_list_t *list;
+
+};
+
+METHOD(imc_state_t, get_connection_id, TNC_ConnectionID,
+	private_imc_attestation_state_t *this)
+{
+	return this->connection_id;
+}
+
+METHOD(imc_state_t, has_long, bool,
+	private_imc_attestation_state_t *this)
+{
+	return this->has_long;
+}
+
+METHOD(imc_state_t, has_excl, bool,
+	private_imc_attestation_state_t *this)
+{
+	return this->has_excl;
+}
+
+METHOD(imc_state_t, set_flags, void,
+	private_imc_attestation_state_t *this, bool has_long, bool has_excl)
+{
+	this->has_long = has_long;
+	this->has_excl = has_excl;
+}
+
+METHOD(imc_state_t, change_state, void,
+	private_imc_attestation_state_t *this, TNC_ConnectionState new_state)
+{
+	this->state = new_state;
+}
+
+
+METHOD(imc_state_t, destroy, void,
+	private_imc_attestation_state_t *this)
+{
+	this->pts->destroy(this->pts);
+	this->list->destroy_offset(this->list, offsetof(pts_comp_evidence_t, destroy));
+	free(this);
+}
+
+METHOD(imc_attestation_state_t, get_pts, pts_t*,
+	private_imc_attestation_state_t *this)
+{
+	return this->pts;
+}
+
+METHOD(imc_attestation_state_t, add_evidence, void,
+	private_imc_attestation_state_t *this, pts_comp_evidence_t *evidence)
+{
+	this->list->insert_last(this->list, evidence);
+}
+
+METHOD(imc_attestation_state_t, next_evidence, bool,
+	private_imc_attestation_state_t *this, pts_comp_evidence_t **evid)
+{
+	return this->list->remove_first(this->list, (void**)evid) == SUCCESS;
+}
+
+/**
+ * Described in header.
+ */
+imc_state_t *imc_attestation_state_create(TNC_ConnectionID connection_id)
+{
+	private_imc_attestation_state_t *this;
+	char *platform_info;
+
+	INIT(this,
+		.public = {
+			.interface = {
+				.get_connection_id = _get_connection_id,
+				.has_long = _has_long,
+				.has_excl = _has_excl,
+				.set_flags = _set_flags,
+				.change_state = _change_state,
+				.destroy = _destroy,
+			},
+			.get_pts = _get_pts,
+			.add_evidence = _add_evidence,
+			.next_evidence = _next_evidence,
+		},
+		.connection_id = connection_id,
+		.state = TNC_CONNECTION_STATE_CREATE,
+		.pts = pts_create(TRUE),
+		.list = linked_list_create(),
+	);
+
+	platform_info = lib->settings->get_str(lib->settings,
+						 "libimcv.plugins.imc-attestation.platform_info", NULL);
+	if (platform_info)
+	{
+		this->pts->set_platform_info(this->pts, platform_info);
+	}
+	
+	return &this->public.interface;
+}
+
+
diff --git a/src/libpts/plugins/imc_attestation/imc_attestation_state.h b/src/libpts/plugins/imc_attestation/imc_attestation_state.h
new file mode 100644
index 000000000..22b0bba23
--- /dev/null
+++ b/src/libpts/plugins/imc_attestation/imc_attestation_state.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * 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_attestation_state_t imc_attestation_state
+ * @{ @ingroup imc_attestation_state
+ */
+
+#ifndef IMC_ATTESTATION_STATE_H_
+#define IMC_ATTESTATION_STATE_H_
+
+#include <imc/imc_state.h>
+#include <pts/pts.h>
+#include <pts/components/pts_comp_evidence.h>
+#include <library.h>
+
+typedef struct imc_attestation_state_t imc_attestation_state_t;
+
+/**
+ * Internal state of an imc_attestation_t connection instance
+ */
+struct imc_attestation_state_t {
+
+	/**
+	 * imc_state_t interface
+	 */
+	imc_state_t interface;
+
+	/**
+	 * Get the PTS object
+	 *
+	 * @return					PTS object
+	 */
+	pts_t* (*get_pts)(imc_attestation_state_t *this);
+
+	/**
+	 * Add an entry to the Component Evidence list
+	 *
+	 * @param entry				Component Evidence entry
+	 */
+	void (*add_evidence)(imc_attestation_state_t *this, pts_comp_evidence_t *entry);
+
+	/**
+	 * Removes next Component Evidence entry from list and returns it
+	 *
+	 * @param evid				Next Component Evidence entry
+	 * @return					TRUE if next entry is available
+	 */
+	bool (*next_evidence)(imc_attestation_state_t *this, pts_comp_evidence_t** evid);
+
+};
+
+/**
+ * Create an imc_attestation_state_t instance
+ *
+ * @param id					connection ID
+ */
+imc_state_t* imc_attestation_state_create(TNC_ConnectionID id);
+
+#endif /** IMC_ATTESTATION_STATE_H_ @}*/