[svn-upgrade] Integrating new upstream version, strongswan (4.3.6)

8 files changed, 1238 insertions, 0 deletions

diff --git a/src/libstrongswan/plugins/pkcs1/Makefile.am b/src/libstrongswan/plugins/pkcs1/Makefile.am
new file mode 100644
index 000000000..88d25a26b
--- /dev/null
+++ b/src/libstrongswan/plugins/pkcs1/Makefile.am
@@ -0,0 +1,13 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan
+
+AM_CFLAGS = -rdynamic
+
+plugin_LTLIBRARIES = libstrongswan-pkcs1.la
+
+libstrongswan_pkcs1_la_SOURCES = pkcs1_plugin.h pkcs1_plugin.c \
+  pkcs1_encoder.h pkcs1_encoder.c \
+  pkcs1_builder.h pkcs1_builder.c
+
+libstrongswan_pkcs1_la_LDFLAGS = -module -avoid-version
+
diff --git a/src/libstrongswan/plugins/pkcs1/Makefile.in b/src/libstrongswan/plugins/pkcs1/Makefile.in
new file mode 100644
index 000000000..4439cd60f
--- /dev/null
+++ b/src/libstrongswan/plugins/pkcs1/Makefile.in
@@ -0,0 +1,572 @@
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+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
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+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
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+  pkcs1_encoder.h pkcs1_encoder.c \
+  pkcs1_builder.h pkcs1_builder.c
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+
+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 $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-pluginLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(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-pluginLTLIBRARIES
+
+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-pluginLTLIBRARIES
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-pluginLTLIBRARIES 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-info install-info-am install-man \
+	install-pdf install-pdf-am install-pluginLTLIBRARIES \
+	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-pluginLTLIBRARIES
+
+
+# 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/libstrongswan/plugins/pkcs1/pkcs1_builder.c b/src/libstrongswan/plugins/pkcs1/pkcs1_builder.c
new file mode 100644
index 000000000..fbd35e830
--- /dev/null
+++ b/src/libstrongswan/plugins/pkcs1/pkcs1_builder.c
@@ -0,0 +1,299 @@
+/*
+ * Copyright (C) 2008-2009 Martin Willi
+ * Copyright (C) 2008 Tobias Brunner
+ * Copyright (C) 2000-2008 Andreas Steffen
+ * 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 "pkcs1_builder.h"
+
+#include <debug.h>
+#include <asn1/oid.h>
+#include <asn1/asn1.h>
+#include <asn1/asn1_parser.h>
+#include <credentials/keys/private_key.h>
+
+/**
+ * ASN.1 definition of a subjectPublicKeyInfo structure
+ */
+static const asn1Object_t pkinfoObjects[] = {
+	{ 0, "subjectPublicKeyInfo",ASN1_SEQUENCE,		ASN1_NONE	}, /* 0 */
+	{ 1,   "algorithm",			ASN1_EOC,			ASN1_RAW	}, /* 1 */
+	{ 1,   "subjectPublicKey",	ASN1_BIT_STRING,	ASN1_BODY	}, /* 2 */
+	{ 0, "exit",				ASN1_EOC,			ASN1_EXIT	}
+};
+#define PKINFO_SUBJECT_PUBLIC_KEY_ALGORITHM	1
+#define PKINFO_SUBJECT_PUBLIC_KEY			2
+
+/**
+ * Load a generic public key from an ASN.1 encoded blob
+ */
+static public_key_t *parse_public_key(chunk_t blob)
+{
+	asn1_parser_t *parser;
+	chunk_t object;
+	int objectID;
+	public_key_t *key = NULL;
+	key_type_t type = KEY_ANY;
+
+	parser = asn1_parser_create(pkinfoObjects, blob);
+
+	while (parser->iterate(parser, &objectID, &object))
+	{
+		switch (objectID)
+		{
+			case PKINFO_SUBJECT_PUBLIC_KEY_ALGORITHM:
+			{
+				int oid = asn1_parse_algorithmIdentifier(object,
+										parser->get_level(parser)+1, NULL);
+
+				if (oid == OID_RSA_ENCRYPTION)
+				{
+					type = KEY_RSA;
+				}
+				else if (oid == OID_EC_PUBLICKEY)
+				{
+					/* we need the whole subjectPublicKeyInfo for EC public keys */
+					key = lib->creds->create(lib->creds, CRED_PUBLIC_KEY,
+								KEY_ECDSA, BUILD_BLOB_ASN1_DER, blob, BUILD_END);
+					goto end;
+				}
+				else
+				{
+					/* key type not supported */
+					goto end;
+				}
+				break;
+			}
+			case PKINFO_SUBJECT_PUBLIC_KEY:
+				if (object.len > 0 && *object.ptr == 0x00)
+				{
+					/* skip initial bit string octet defining 0 unused bits */
+					object = chunk_skip(object, 1);
+				}
+				DBG2("-- > --");
+				key = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, type,
+										 BUILD_BLOB_ASN1_DER, object, BUILD_END);
+				DBG2("-- < --");
+				break;
+		}
+	}
+
+end:
+	parser->destroy(parser);
+	return key;
+}
+
+/**
+ * ASN.1 definition of RSApublicKey
+ */
+static const asn1Object_t pubkeyObjects[] = {
+	{ 0, "RSAPublicKey",		ASN1_SEQUENCE,	ASN1_OBJ  }, /*  0 */
+	{ 1,   "modulus",			ASN1_INTEGER,	ASN1_BODY }, /*  1 */
+	{ 1,   "publicExponent",	ASN1_INTEGER,	ASN1_BODY }, /*  2 */
+	{ 0, "exit",				ASN1_EOC,		ASN1_EXIT }
+};
+#define PUB_KEY_RSA_PUBLIC_KEY		0
+#define PUB_KEY_MODULUS				1
+#define PUB_KEY_EXPONENT			2
+
+/**
+ * Load a RSA public key from an ASN.1 encoded blob.
+ */
+static public_key_t *parse_rsa_public_key(chunk_t blob)
+{
+	chunk_t n, e;
+	asn1_parser_t *parser;
+	chunk_t object;
+	int objectID;
+	bool success = FALSE;
+
+	parser = asn1_parser_create(pubkeyObjects, blob);
+
+	while (parser->iterate(parser, &objectID, &object))
+	{
+		switch (objectID)
+		{
+			case PUB_KEY_MODULUS:
+				n = object;
+				break;
+			case PUB_KEY_EXPONENT:
+				e = object;
+				break;
+		}
+	}
+	success = parser->success(parser);
+	parser->destroy(parser);
+
+	if (!success)
+	{
+		return NULL;
+	}
+	return lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_RSA,
+						BUILD_RSA_MODULUS, n, BUILD_RSA_PUB_EXP, e, BUILD_END);
+}
+
+/**
+ * ASN.1 definition of a PKCS#1 RSA private key
+ */
+static const asn1Object_t privkeyObjects[] = {
+	{ 0, "RSAPrivateKey",		ASN1_SEQUENCE,     ASN1_NONE }, /*  0 */
+	{ 1,   "version",			ASN1_INTEGER,      ASN1_BODY }, /*  1 */
+	{ 1,   "modulus",			ASN1_INTEGER,      ASN1_BODY }, /*  2 */
+	{ 1,   "publicExponent",	ASN1_INTEGER,      ASN1_BODY }, /*  3 */
+	{ 1,   "privateExponent",	ASN1_INTEGER,      ASN1_BODY }, /*  4 */
+	{ 1,   "prime1",			ASN1_INTEGER,      ASN1_BODY }, /*  5 */
+	{ 1,   "prime2",			ASN1_INTEGER,      ASN1_BODY }, /*  6 */
+	{ 1,   "exponent1",			ASN1_INTEGER,      ASN1_BODY }, /*  7 */
+	{ 1,   "exponent2",			ASN1_INTEGER,      ASN1_BODY }, /*  8 */
+	{ 1,   "coefficient",		ASN1_INTEGER,      ASN1_BODY }, /*  9 */
+	{ 1,   "otherPrimeInfos",	ASN1_SEQUENCE,     ASN1_OPT |
+												   ASN1_LOOP }, /* 10 */
+	{ 2,     "otherPrimeInfo",	ASN1_SEQUENCE,     ASN1_NONE }, /* 11 */
+	{ 3,       "prime",			ASN1_INTEGER,      ASN1_BODY }, /* 12 */
+	{ 3,       "exponent",		ASN1_INTEGER,      ASN1_BODY }, /* 13 */
+	{ 3,       "coefficient",	ASN1_INTEGER,      ASN1_BODY }, /* 14 */
+	{ 1,   "end opt or loop",	ASN1_EOC,          ASN1_END  }, /* 15 */
+	{ 0, "exit",				ASN1_EOC,          ASN1_EXIT }
+};
+#define PRIV_KEY_VERSION		 1
+#define PRIV_KEY_MODULUS		 2
+#define PRIV_KEY_PUB_EXP		 3
+#define PRIV_KEY_PRIV_EXP		 4
+#define PRIV_KEY_PRIME1			 5
+#define PRIV_KEY_PRIME2			 6
+#define PRIV_KEY_EXP1			 7
+#define PRIV_KEY_EXP2			 8
+#define PRIV_KEY_COEFF			 9
+
+/**
+ * Load a RSA private key from a ASN1 encoded blob.
+ */
+static private_key_t *parse_rsa_private_key(chunk_t blob)
+{
+	chunk_t n, e, d, p, q, exp1, exp2, coeff;
+	asn1_parser_t *parser;
+	chunk_t object;
+	int objectID ;
+	bool success = FALSE;
+
+	parser = asn1_parser_create(privkeyObjects, blob);
+	parser->set_flags(parser, FALSE, TRUE);
+
+	while (parser->iterate(parser, &objectID, &object))
+	{
+		switch (objectID)
+		{
+			case PRIV_KEY_VERSION:
+				if (object.len > 0 && *object.ptr != 0)
+				{
+					DBG1("PKCS#1 private key format is not version 1");
+					goto end;
+				}
+				break;
+			case PRIV_KEY_MODULUS:
+				n = object;
+				break;
+			case PRIV_KEY_PUB_EXP:
+				e = object;
+				break;
+			case PRIV_KEY_PRIV_EXP:
+				d = object;
+				break;
+			case PRIV_KEY_PRIME1:
+				p = object;
+				break;
+			case PRIV_KEY_PRIME2:
+				q = object;
+				break;
+			case PRIV_KEY_EXP1:
+				exp1 = object;
+				break;
+			case PRIV_KEY_EXP2:
+				exp2 = object;
+				break;
+			case PRIV_KEY_COEFF:
+				coeff = object;
+				break;
+		}
+	}
+	success = parser->success(parser);
+
+end:
+	parser->destroy(parser);
+	if (!success)
+	{
+		return NULL;
+	}
+	return lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
+			BUILD_RSA_MODULUS, n, BUILD_RSA_PUB_EXP, e, BUILD_RSA_PRIV_EXP, d,
+			BUILD_RSA_PRIME1, p,  BUILD_RSA_PRIME2, q, BUILD_RSA_EXP1, exp1,
+			BUILD_RSA_EXP2, exp2, BUILD_RSA_COEFF, coeff, BUILD_END);
+}
+
+/**
+ * See header.
+ */
+public_key_t *pkcs1_public_key_load(key_type_t type, va_list args)
+{
+	chunk_t blob = chunk_empty;
+
+	while (TRUE)
+	{
+		switch (va_arg(args, builder_part_t))
+		{
+			case BUILD_BLOB_ASN1_DER:
+				blob = va_arg(args, chunk_t);
+				continue;
+			case BUILD_END:
+				break;
+			default:
+				return NULL;
+		}
+		break;
+	}
+	switch (type)
+	{
+		case KEY_ANY:
+			return parse_public_key(blob);
+		case KEY_RSA:
+			return parse_rsa_public_key(blob);
+		default:
+			return NULL;
+	}
+}
+
+/**
+ * See header.
+ */
+private_key_t *pkcs1_private_key_load(key_type_t type, va_list args)
+{
+	chunk_t blob = chunk_empty;
+
+	while (TRUE)
+	{
+		switch (va_arg(args, builder_part_t))
+		{
+			case BUILD_BLOB_ASN1_DER:
+				blob = va_arg(args, chunk_t);
+				continue;
+			case BUILD_END:
+				break;
+			default:
+				return NULL;
+		}
+		break;
+	}
+	return parse_rsa_private_key(blob);
+}
+
diff --git a/src/libstrongswan/plugins/pkcs1/pkcs1_builder.h b/src/libstrongswan/plugins/pkcs1/pkcs1_builder.h
new file mode 100644
index 000000000..62ca9f351
--- /dev/null
+++ b/src/libstrongswan/plugins/pkcs1/pkcs1_builder.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2009 Martin Willi
+ * 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 pkcs1_public_key pkcs1_public_key
+ * @{ @ingroup pkcs1
+ */
+
+#ifndef PKCS1_BUILDER_H_
+#define PKCS1_BUILDER_H_
+
+#include <credentials/builder.h>
+#include <credentials/keys/private_key.h>
+
+/**
+ * Load a generic or an RSA public key from PKCS#1 data.
+ *
+ * @param type		type of the key, either KEY_ANY or KEY_RSA
+ * @param args		builder_part_t argument list
+ * @return 			public key, NULL on failure
+ */
+public_key_t *pkcs1_public_key_load(key_type_t type, va_list args);
+
+/**
+ * Load a RSA public key from PKCS#1 data.
+ *
+ * @param type		type of the key, KEY_RSA
+ * @param args		builder_part_t argument list
+ * @return 			private key, NULL on failure
+ */
+private_key_t *pkcs1_private_key_load(key_type_t type, va_list args);
+
+#endif /** PKCS1_BUILDER_H_ @}*/
diff --git a/src/libstrongswan/plugins/pkcs1/pkcs1_encoder.c b/src/libstrongswan/plugins/pkcs1/pkcs1_encoder.c
new file mode 100644
index 000000000..0a8da815a
--- /dev/null
+++ b/src/libstrongswan/plugins/pkcs1/pkcs1_encoder.c
@@ -0,0 +1,160 @@
+/*
+ * Copyright (C) 2009 Martin Willi
+ * 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 "pkcs1_encoder.h"
+
+#include <debug.h>
+#include <asn1/asn1.h>
+#include <asn1/oid.h>
+
+/**
+ * Encode a public key in PKCS#1/ASN.1 DER
+ */
+bool build_pub(chunk_t *encoding, va_list args)
+{
+	chunk_t n, e;
+
+	if (key_encoding_args(args, KEY_PART_RSA_MODULUS, &n,
+						  KEY_PART_RSA_PUB_EXP, &e, KEY_PART_END))
+	{
+		*encoding = asn1_wrap(ASN1_SEQUENCE, "mm",
+						asn1_wrap(ASN1_INTEGER, "c", n),
+						asn1_wrap(ASN1_INTEGER, "c", e));
+		return TRUE;
+	}
+	return FALSE;
+}
+
+/**
+ * Encode a public key in PKCS#1/ASN.1 DER, contained in subjectPublicKeyInfo
+ */
+bool build_pub_info(chunk_t *encoding, va_list args)
+{
+	chunk_t n, e;
+
+	if (key_encoding_args(args, KEY_PART_RSA_MODULUS, &n,
+						  KEY_PART_RSA_PUB_EXP, &e, KEY_PART_END))
+	{
+		*encoding = asn1_wrap(ASN1_SEQUENCE, "mm",
+						asn1_algorithmIdentifier(OID_RSA_ENCRYPTION),
+						asn1_bitstring("m",
+							asn1_wrap(ASN1_SEQUENCE, "mm",
+								asn1_wrap(ASN1_INTEGER, "c", n),
+								asn1_wrap(ASN1_INTEGER, "c", e))));
+		return TRUE;
+	}
+	return FALSE;
+}
+
+/**
+ * Encode a private key in PKCS#1/ASN.1 DER
+ */
+bool build_priv(chunk_t *encoding, va_list args)
+{
+	chunk_t n, e, d, p, q, exp1, exp2, coeff;
+
+	if (key_encoding_args(args, KEY_PART_RSA_MODULUS, &n,
+					KEY_PART_RSA_PUB_EXP, &e, KEY_PART_RSA_PRIV_EXP, &d,
+					KEY_PART_RSA_PRIME1, &p, KEY_PART_RSA_PRIME2, &q,
+					KEY_PART_RSA_EXP1, &exp1, KEY_PART_RSA_EXP2, &exp2,
+					KEY_PART_RSA_COEFF, &coeff, KEY_PART_END))
+	{
+		*encoding = asn1_wrap(ASN1_SEQUENCE, "cmmssssss",
+						ASN1_INTEGER_0,
+						asn1_wrap(ASN1_INTEGER, "c", n),
+						asn1_wrap(ASN1_INTEGER, "c", e),
+						asn1_wrap(ASN1_INTEGER, "c", d),
+						asn1_wrap(ASN1_INTEGER, "c", p),
+						asn1_wrap(ASN1_INTEGER, "c", q),
+						asn1_wrap(ASN1_INTEGER, "c", exp1),
+						asn1_wrap(ASN1_INTEGER, "c", exp2),
+						asn1_wrap(ASN1_INTEGER, "c", coeff));
+		return TRUE;
+	}
+	return FALSE;
+}
+
+/**
+ * Build the SHA1 hash of pubkey(info) ASN.1 data
+ */
+static bool hash_pubkey(chunk_t pubkey, chunk_t *hash)
+{
+	hasher_t *hasher;
+
+	hasher = lib->crypto->create_hasher(lib->crypto, HASH_SHA1);
+	if (hasher == NULL)
+	{
+		chunk_free(&pubkey);
+		DBG1("SHA1 hash algorithm not supported, fingerprinting failed");
+		return FALSE;
+	}
+	hasher->allocate_hash(hasher, pubkey, hash);
+	hasher->destroy(hasher);
+	chunk_free(&pubkey);
+	return TRUE;
+}
+
+/**
+ * build the fingerprint of the subjectPublicKeyInfo object
+ */
+static bool build_info_sha1(chunk_t *encoding, va_list args)
+{
+	chunk_t pubkey;
+
+	if (build_pub_info(&pubkey, args))
+	{
+		return hash_pubkey(pubkey, encoding);
+	}
+	return FALSE;
+}
+
+/**
+ * build the fingerprint of the subjectPublicKey object
+ */
+static bool build_sha1(chunk_t *encoding, va_list args)
+{
+	chunk_t pubkey;
+
+	if (build_pub(&pubkey, args))
+	{
+		return hash_pubkey(pubkey, encoding);
+	}
+	return FALSE;
+}
+
+/**
+ * See header.
+ */
+bool pkcs1_encoder_encode(key_encoding_type_t type, chunk_t *encoding,
+						  va_list args)
+{
+	switch (type)
+	{
+		case KEY_ID_PUBKEY_INFO_SHA1:
+			return build_info_sha1(encoding, args);
+		case KEY_ID_PUBKEY_SHA1:
+			return build_sha1(encoding, args);
+		case KEY_PUB_ASN1_DER:
+			return build_pub(encoding, args);
+		case KEY_PUB_SPKI_ASN1_DER:
+			return build_pub_info(encoding, args);
+		case KEY_PRIV_ASN1_DER:
+			return build_priv(encoding, args);
+		default:
+			return FALSE;
+	}
+}
+
+
diff --git a/src/libstrongswan/plugins/pkcs1/pkcs1_encoder.h b/src/libstrongswan/plugins/pkcs1/pkcs1_encoder.h
new file mode 100644
index 000000000..11d9f27f2
--- /dev/null
+++ b/src/libstrongswan/plugins/pkcs1/pkcs1_encoder.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2009 Martin Willi
+ * 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 pkcs1_encoder pkcs1_encoder
+ * @{ @ingroup pkcs1
+ */
+
+#ifndef PKCS1_ENCODER_H_
+#define PKCS1_ENCODER_H_
+
+#include <credentials/keys/key_encoding.h>
+
+/**
+ * Encoding function for PKCS#1/ASN.1 fingerprints/key formats.
+ */
+bool pkcs1_encoder_encode(key_encoding_type_t type, chunk_t *encoding,
+						  va_list args);
+
+#endif /** PKCS1_ENCODER_H_ @}*/
diff --git a/src/libstrongswan/plugins/pkcs1/pkcs1_plugin.c b/src/libstrongswan/plugins/pkcs1/pkcs1_plugin.c
new file mode 100644
index 000000000..9d71e1388
--- /dev/null
+++ b/src/libstrongswan/plugins/pkcs1/pkcs1_plugin.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2009 Martin Willi
+ * 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 "pkcs1_plugin.h"
+
+#include <library.h>
+#include "pkcs1_builder.h"
+#include "pkcs1_encoder.h"
+
+typedef struct private_pkcs1_plugin_t private_pkcs1_plugin_t;
+
+/**
+ * private data of pkcs1_plugin
+ */
+struct private_pkcs1_plugin_t {
+
+	/**
+	 * public functions
+	 */
+	pkcs1_plugin_t public;
+};
+
+/**
+ * Implementation of pkcs1_plugin_t.pkcs1troy
+ */
+static void destroy(private_pkcs1_plugin_t *this)
+{
+	lib->creds->remove_builder(lib->creds,
+							(builder_function_t)pkcs1_public_key_load);
+	lib->creds->remove_builder(lib->creds,
+							(builder_function_t)pkcs1_private_key_load);
+
+	lib->encoding->remove_encoder(lib->encoding, pkcs1_encoder_encode);
+
+	free(this);
+}
+
+/*
+ * see header file
+ */
+plugin_t *plugin_create()
+{
+	private_pkcs1_plugin_t *this = malloc_thing(private_pkcs1_plugin_t);
+
+	this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
+
+	lib->creds->add_builder(lib->creds, CRED_PUBLIC_KEY, KEY_ANY,
+							(builder_function_t)pkcs1_public_key_load);
+	lib->creds->add_builder(lib->creds, CRED_PUBLIC_KEY, KEY_RSA,
+							(builder_function_t)pkcs1_public_key_load);
+	lib->creds->add_builder(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
+							(builder_function_t)pkcs1_private_key_load);
+
+	lib->encoding->add_encoder(lib->encoding, pkcs1_encoder_encode);
+
+	return &this->public.plugin;
+}
+
diff --git a/src/libstrongswan/plugins/pkcs1/pkcs1_plugin.h b/src/libstrongswan/plugins/pkcs1/pkcs1_plugin.h
new file mode 100644
index 000000000..465c7ef2c
--- /dev/null
+++ b/src/libstrongswan/plugins/pkcs1/pkcs1_plugin.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2009 Martin Willi
+ * 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 pkcs1 pkcs1
+ * @ingroup plugins
+ *
+ * @defgroup pkcs1_plugin pkcs1_plugin
+ * @{ @ingroup pkcs1
+ */
+
+#ifndef PKCS1_PLUGIN_H_
+#define PKCS1_PLUGIN_H_
+
+#include <plugins/plugin.h>
+
+typedef struct pkcs1_plugin_t pkcs1_plugin_t;
+
+/**
+ * Plugin providing PKCS#1 private/public key decoding functions
+ */
+struct pkcs1_plugin_t {
+
+	/**
+	 * implements plugin interface
+	 */
+	plugin_t plugin;
+};
+
+/**
+ * Create a pkcs1_plugin instance.
+ */
+plugin_t *plugin_create();
+
+#endif /** PKCS1_PLUGIN_H_ @}*/