Prototype implementation of IKE key exchange via NTRU encryption

src/libstrongswan/crypto/diffie_hellman.c

@@ -45,7 +45,12 @@ ENUM_NEXT(diffie_hellman_group_names, MODP_1024_160, ECP_512_BP, ECP_521_BIT,
 ENUM_NEXT(diffie_hellman_group_names, MODP_NULL, MODP_CUSTOM, ECP_512_BP,
 	"MODP_NULL",
 	"MODP_CUSTOM");
-ENUM_END(diffie_hellman_group_names, MODP_CUSTOM);
+ENUM_NEXT(diffie_hellman_group_names, NTRU_112_BIT, NTRU_256_BIT, MODP_CUSTOM,
+	"NTRU_112",
+	"NTRU_128",
+	"NTRU_192",
+	"NTRU_256");
+ENUM_END(diffie_hellman_group_names, NTRU_256_BIT);
 
 
 /**

src/libstrongswan/crypto/diffie_hellman.h

@@ -64,6 +64,11 @@ enum diffie_hellman_group_t {
 	MODP_NULL = 1024,
 	/** MODP group with custom generator/prime */
 	MODP_CUSTOM = 1025,
+	/** Parameters defined by IEEE 1363.1, in PRIVATE USE */
+	NTRU_112_BIT = 1030,
+	NTRU_128_BIT = 1031,
+	NTRU_192_BIT = 1032,
+	NTRU_256_BIT = 1033
 };
 
 /**

src/libstrongswan/crypto/proposal/proposal_keywords_static.txt

@@ -1,7 +1,7 @@
 %{
 /*
- * Copyright (C) 2009 Andreas Steffen
- * Hochschule fuer Technik Rapperswil, Switzerland
+ * Copyright (C) 2009-2013 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil, Switzerland
  *
  * 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
@@ -161,5 +161,9 @@ ecp224bp,         DIFFIE_HELLMAN_GROUP, ECP_224_BP,                0
 ecp256bp,         DIFFIE_HELLMAN_GROUP, ECP_256_BP,                0
 ecp384bp,         DIFFIE_HELLMAN_GROUP, ECP_384_BP,                0
 ecp512bp,         DIFFIE_HELLMAN_GROUP, ECP_512_BP,                0
+ntru112,          DIFFIE_HELLMAN_GROUP, NTRU_112_BIT,              0
+ntru128,          DIFFIE_HELLMAN_GROUP, NTRU_128_BIT,              0
+ntru192,          DIFFIE_HELLMAN_GROUP, NTRU_192_BIT,              0
+ntru256,          DIFFIE_HELLMAN_GROUP, NTRU_256_BIT,              0
 noesn,            EXTENDED_SEQUENCE_NUMBERS, NO_EXT_SEQ_NUMBERS,   0
 esn,              EXTENDED_SEQUENCE_NUMBERS, EXT_SEQ_NUMBERS,      0