1 files changed, 93 insertions, 0 deletions
diff --git a/src/libstrongswan/pgp/pgp.c b/src/libstrongswan/pgp/pgp.c
new file mode 100644
index 000000000..613c318c1
--- /dev/null
+++ b/src/libstrongswan/pgp/pgp.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2002-2009 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 "pgp.h"
+
+ENUM_BEGIN(pgp_packet_tag_names, PGP_PKT_RESERVED, PGP_PKT_PUBLIC_SUBKEY,
+	"Reserved",
+	"Public-Key Encrypted Session Key Packet",
+	"Signature Packet",
+	"Symmetric-Key Encrypted Session Key Packet",
+	"One-Pass Signature Packet",
+	"Secret Key Packet",
+	"Public Key Packet",
+	"Secret Subkey Packet",
+	"Compressed Data Packet",
+	"Symmetrically Encrypted Data Packet",
+	"Marker Packet",
+	"Literal Data Packet",
+	"Trust Packet",
+	"User ID Packet",
+	"Public Subkey Packet"
+);
+ENUM_NEXT(pgp_packet_tag_names, PGP_PKT_USER_ATTRIBUTE, PGP_PKT_MOD_DETECT_CODE, PGP_PKT_PUBLIC_SUBKEY,
+	"User Attribute Packet",
+	"Sym. Encrypted and Integrity Protected Data Packet",
+	"Modification Detection Code Packet"
+);
+ENUM_END(pgp_packet_tag_names, PGP_PKT_MOD_DETECT_CODE);
+
+
+ENUM_BEGIN(pgp_pubkey_alg_names, PGP_PUBKEY_ALG_RSA, PGP_PUBKEY_ALG_RSA_SIGN_ONLY,
+	"RSA",
+	"RSA_ENC_ONLY",
+	"RSA_SIGN_ONLY"
+);
+ENUM_NEXT(pgp_pubkey_alg_names, PGP_PUBKEY_ALG_ELGAMAL_ENC_ONLY, PGP_PUBKEY_ALG_DIFFIE_HELLMAN, PGP_PUBKEY_ALG_RSA_SIGN_ONLY,
+	"ELGAMAL_ENC_ONLY",
+	"DSA",
+	"ECC",
+	"ECDSA",
+	"ELGAMAL",
+	"DIFFIE_HELLMAN"
+);
+ENUM_END(pgp_pubkey_alg_names, PGP_PUBKEY_ALG_DIFFIE_HELLMAN);
+
+
+ENUM(pgp_sym_alg_names, PGP_SYM_ALG_PLAIN, PGP_SYM_ALG_TWOFISH,
+	"PLAINTEXT",
+	"IDEA",
+	"3DES",
+	"CAST5",
+	"BLOWFISH",
+	"SAFER",
+	"DES",
+	"AES_128",
+	"AES_192",
+	"AES_256",
+	"TWOFISH"
+);
+
+/*
+ * Defined in header.
+ */
+size_t pgp_length(chunk_t *blob, size_t len)
+{
+	size_t size = 0;
+
+	if (len > blob->len)
+	{
+		return PGP_INVALID_LENGTH;
+	}
+	blob->len -= len;
+
+	while (len-- > 0)
+	{
+		size = 256*size + *blob->ptr++;
+	}
+	return size;
+}
+