ecc: Add ECC domain parameters (for supported curves) and lookup functions

diff --git a/src/libstrongswan/Android.mk b/src/libstrongswan/Android.mk
index 3811ed083526bc2f65e7659ab425d1fcb709edeb..00e73fa0560722b3bead80cd8c0e925b9851dcf8 100644 (file)
--- a/src/libstrongswan/Android.mk
+++ b/src/libstrongswan/Android.mk
@@ -13,6 +13,7 @@ crypto/prfs/prf.c crypto/prfs/mac_prf.c crypto/pkcs5.c \
 crypto/rngs/rng.c crypto/prf_plus.c crypto/signers/signer.c \
 crypto/signers/mac_signer.c crypto/crypto_factory.c crypto/crypto_tester.c \
 crypto/diffie_hellman.c crypto/aead.c crypto/transform.c \
+crypto/ec_params.c \
 credentials/credential_factory.c credentials/builder.c \
 credentials/cred_encoding.c credentials/keys/private_key.c \
 credentials/keys/public_key.c credentials/keys/shared_key.c \

diff --git a/src/libstrongswan/Makefile.am b/src/libstrongswan/Makefile.am
index 78e4ce2e1b7daab57bae4cb7043ead48b9d658a8..b84edc2af980698c7cb6d6c30da621cecd5292b8 100644 (file)
--- a/src/libstrongswan/Makefile.am
+++ b/src/libstrongswan/Makefile.am
@@ -11,6 +11,7 @@ crypto/prfs/prf.c crypto/prfs/mac_prf.c crypto/pkcs5.c \
 crypto/rngs/rng.c crypto/prf_plus.c crypto/signers/signer.c \
 crypto/signers/mac_signer.c crypto/crypto_factory.c crypto/crypto_tester.c \
 crypto/diffie_hellman.c crypto/aead.c crypto/transform.c \
+crypto/ec_params.c \
 credentials/credential_factory.c credentials/builder.c \
 credentials/cred_encoding.c credentials/keys/private_key.c \
 credentials/keys/public_key.c credentials/keys/shared_key.c \
@@ -47,7 +48,7 @@ crypto/proposal/proposal_keywords.h crypto/proposal/proposal_keywords_static.h \
 crypto/prfs/prf.h crypto/prfs/mac_prf.h crypto/rngs/rng.h crypto/nonce_gen.h \
 crypto/prf_plus.h crypto/signers/signer.h crypto/signers/mac_signer.h \
 crypto/crypto_factory.h crypto/crypto_tester.h crypto/diffie_hellman.h \
-crypto/aead.h crypto/transform.h crypto/pkcs5.h \
+crypto/aead.h crypto/transform.h crypto/pkcs5.h crypto/ec_params.h \
 credentials/credential_factory.h credentials/builder.h \
 credentials/cred_encoding.h credentials/keys/private_key.h \
 credentials/keys/public_key.h credentials/keys/shared_key.h \

diff --git a/src/libstrongswan/crypto/ec_params.c b/src/libstrongswan/crypto/ec_params.c
new file mode 100644 (file)
index 0000000..81e7034
--- /dev/null
+++ b/src/libstrongswan/crypto/ec_params.c
@@ -0,0 +1,346 @@
+/*
+ * Copyright (C) 2013 Tobias Brunner
+ * 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 "ec_params.h"
+
+#include <asn1/oid.h>
+
+/**
+ * List of supported ECC curves.
+ */
+static struct {
+       /* Public part of the struct */
+       ec_params_t public;
+       /* The curve identifier */
+       ec_curve_t curve;
+} ec_params[] = {
+       {
+               .curve = ECC_NIST_192, .public = {
+                       .p = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF),
+                       .a = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC),
+                       .b = chunk_from_chars(
+                               0x64,0x21,0x05,0x19,0xE5,0x9C,0x80,0xE7,0x0F,0xA7,0xE9,0xAB,0x72,0x24,0x30,0x49,
+                               0xFE,0xB8,0xDE,0xEC,0xC1,0x46,0xB9,0xB1),
+                       .x = chunk_from_chars(
+                               0x18,0x8D,0xA8,0x0E,0xB0,0x30,0x90,0xF6,0x7C,0xBF,0x20,0xEB,0x43,0xA1,0x88,0x00,
+                               0xF4,0xFF,0x0A,0xFD,0x82,0xFF,0x10,0x12),
+                       .y = chunk_from_chars(
+                               0x07,0x19,0x2B,0x95,0xFF,0xC8,0xDA,0x78,0x63,0x10,0x11,0xED,0x6B,0x24,0xCD,0xD5,
+                               0x73,0xF9,0x77,0xA1,0x1E,0x79,0x48,0x11),
+                       .q = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x99,0xDE,0xF8,0x36,
+                               0x14,0x6B,0xC9,0xB1,0xB4,0xD2,0x28,0x31),
+               },
+       },
+       {
+               .curve = ECC_NIST_224, .public = {
+                       .p = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01),
+                       .a = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE),
+                       .b = chunk_from_chars(
+                               0xB4,0x05,0x0A,0x85,0x0C,0x04,0xB3,0xAB,0xF5,0x41,0x32,0x56,0x50,0x44,0xB0,0xB7,
+                               0xD7,0xBF,0xD8,0xBA,0x27,0x0B,0x39,0x43,0x23,0x55,0xFF,0xB4),
+                       .x = chunk_from_chars(
+                               0xB7,0x0E,0x0C,0xBD,0x6B,0xB4,0xBF,0x7F,0x32,0x13,0x90,0xB9,0x4A,0x03,0xC1,0xD3,
+                               0x56,0xC2,0x11,0x22,0x34,0x32,0x80,0xD6,0x11,0x5C,0x1D,0x21),
+                       .y = chunk_from_chars(
+                               0xBD,0x37,0x63,0x88,0xB5,0xF7,0x23,0xFB,0x4C,0x22,0xDF,0xE6,0xCD,0x43,0x75,0xA0,
+                               0x5A,0x07,0x47,0x64,0x44,0xD5,0x81,0x99,0x85,0x00,0x7E,0x34),
+                       .q = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x16,0xA2,
+                               0xE0,0xB8,0xF0,0x3E,0x13,0xDD,0x29,0x45,0x5C,0x5C,0x2A,0x3D),
+               },
+       },
+       {
+               .curve = ECC_NIST_256, .public = {
+                       .p = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+                               0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF),
+                       .a = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+                               0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC),
+                       .b = chunk_from_chars(
+                               0x5A,0xC6,0x35,0xD8,0xAA,0x3A,0x93,0xE7,0xB3,0xEB,0xBD,0x55,0x76,0x98,0x86,0xBC,
+                               0x65,0x1D,0x06,0xB0,0xCC,0x53,0xB0,0xF6,0x3B,0xCE,0x3C,0x3E,0x27,0xD2,0x60,0x4B),
+                       .x = chunk_from_chars(
+                               0x6B,0x17,0xD1,0xF2,0xE1,0x2C,0x42,0x47,0xF8,0xBC,0xE6,0xE5,0x63,0xA4,0x40,0xF2,
+                               0x77,0x03,0x7D,0x81,0x2D,0xEB,0x33,0xA0,0xF4,0xA1,0x39,0x45,0xD8,0x98,0xC2,0x96),
+                       .y = chunk_from_chars(
+                               0x4F,0xE3,0x42,0xE2,0xFE,0x1A,0x7F,0x9B,0x8E,0xE7,0xEB,0x4A,0x7C,0x0F,0x9E,0x16,
+                               0x2B,0xCE,0x33,0x57,0x6B,0x31,0x5E,0xCE,0xCB,0xB6,0x40,0x68,0x37,0xBF,0x51,0xF5),
+                       .q = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xBC,0xE6,0xFA,0xAD,0xA7,0x17,0x9E,0x84,0xF3,0xB9,0xCA,0xC2,0xFC,0x63,0x25,0x51),
+               },
+       },
+       {
+               .curve = ECC_NIST_384, .public = {
+                       .p = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,
+                               0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF),
+                       .a = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,
+                               0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFC),
+                       .b = chunk_from_chars(
+                               0xB3,0x31,0x2F,0xA7,0xE2,0x3E,0xE7,0xE4,0x98,0x8E,0x05,0x6B,0xE3,0xF8,0x2D,0x19,
+                               0x18,0x1D,0x9C,0x6E,0xFE,0x81,0x41,0x12,0x03,0x14,0x08,0x8F,0x50,0x13,0x87,0x5A,
+                               0xC6,0x56,0x39,0x8D,0x8A,0x2E,0xD1,0x9D,0x2A,0x85,0xC8,0xED,0xD3,0xEC,0x2A,0xEF),
+                       .x = chunk_from_chars(
+                               0xAA,0x87,0xCA,0x22,0xBE,0x8B,0x05,0x37,0x8E,0xB1,0xC7,0x1E,0xF3,0x20,0xAD,0x74,
+                               0x6E,0x1D,0x3B,0x62,0x8B,0xA7,0x9B,0x98,0x59,0xF7,0x41,0xE0,0x82,0x54,0x2A,0x38,
+                               0x55,0x02,0xF2,0x5D,0xBF,0x55,0x29,0x6C,0x3A,0x54,0x5E,0x38,0x72,0x76,0x0A,0xB7),
+                       .y = chunk_from_chars(
+                               0x36,0x17,0xDE,0x4A,0x96,0x26,0x2C,0x6F,0x5D,0x9E,0x98,0xBF,0x92,0x92,0xDC,0x29,
+                               0xF8,0xF4,0x1D,0xBD,0x28,0x9A,0x14,0x7C,0xE9,0xDA,0x31,0x13,0xB5,0xF0,0xB8,0xC0,
+                               0x0A,0x60,0xB1,0xCE,0x1D,0x7E,0x81,0x9D,0x7A,0x43,0x1D,0x7C,0x90,0xEA,0x0E,0x5F),
+                       .q = chunk_from_chars(
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC7,0x63,0x4D,0x81,0xF4,0x37,0x2D,0xDF,
+                               0x58,0x1A,0x0D,0xB2,0x48,0xB0,0xA7,0x7A,0xEC,0xEC,0x19,0x6A,0xCC,0xC5,0x29,0x73),
+               },
+       },
+       {
+               .curve = ECC_NIST_521, .public = {
+                       .p = chunk_from_chars(
+                               0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFF),
+                       .a = chunk_from_chars(
+                               0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFC),
+                       .b = chunk_from_chars(
+                               0x00,0x51,0x95,0x3E,0xB9,0x61,0x8E,0x1C,0x9A,0x1F,0x92,0x9A,0x21,0xA0,0xB6,0x85,
+                               0x40,0xEE,0xA2,0xDA,0x72,0x5B,0x99,0xB3,0x15,0xF3,0xB8,0xB4,0x89,0x91,0x8E,0xF1,
+                               0x09,0xE1,0x56,0x19,0x39,0x51,0xEC,0x7E,0x93,0x7B,0x16,0x52,0xC0,0xBD,0x3B,0xB1,
+                               0xBF,0x07,0x35,0x73,0xDF,0x88,0x3D,0x2C,0x34,0xF1,0xEF,0x45,0x1F,0xD4,0x6B,0x50,
+                               0x3F,0x00),
+                       .x = chunk_from_chars(
+                               0x00,0xC6,0x85,0x8E,0x06,0xB7,0x04,0x04,0xE9,0xCD,0x9E,0x3E,0xCB,0x66,0x23,0x95,
+                               0xB4,0x42,0x9C,0x64,0x81,0x39,0x05,0x3F,0xB5,0x21,0xF8,0x28,0xAF,0x60,0x6B,0x4D,
+                               0x3D,0xBA,0xA1,0x4B,0x5E,0x77,0xEF,0xE7,0x59,0x28,0xFE,0x1D,0xC1,0x27,0xA2,0xFF,
+                               0xA8,0xDE,0x33,0x48,0xB3,0xC1,0x85,0x6A,0x42,0x9B,0xF9,0x7E,0x7E,0x31,0xC2,0xE5,
+                               0xBD,0x66),
+                       .y = chunk_from_chars(
+                               0x01,0x18,0x39,0x29,0x6A,0x78,0x9A,0x3B,0xC0,0x04,0x5C,0x8A,0x5F,0xB4,0x2C,0x7D,
+                               0x1B,0xD9,0x98,0xF5,0x44,0x49,0x57,0x9B,0x44,0x68,0x17,0xAF,0xBD,0x17,0x27,0x3E,
+                               0x66,0x2C,0x97,0xEE,0x72,0x99,0x5E,0xF4,0x26,0x40,0xC5,0x50,0xB9,0x01,0x3F,0xAD,
+                               0x07,0x61,0x35,0x3C,0x70,0x86,0xA2,0x72,0xC2,0x40,0x88,0xBE,0x94,0x76,0x9F,0xD1,
+                               0x66,0x50),
+                       .q = chunk_from_chars(
+                               0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+                               0xFF,0xFA,0x51,0x86,0x87,0x83,0xBF,0x2F,0x96,0x6B,0x7F,0xCC,0x01,0x48,0xF7,0x09,
+                               0xA5,0xD0,0x3B,0xB5,0xC9,0xB8,0x89,0x9C,0x47,0xAE,0xBB,0x6F,0xB7,0x1E,0x91,0x38,
+                               0x64,0x09),
+               },
+       },
+       {
+               .curve = ECC_BP_224, .public = {
+                       .p = chunk_from_chars(
+                               0xD7,0xC1,0x34,0xAA,0x26,0x43,0x66,0x86,0x2A,0x18,0x30,0x25,0x75,0xD1,0xD7,0x87,
+                               0xB0,0x9F,0x07,0x57,0x97,0xDA,0x89,0xF5,0x7E,0xC8,0xC0,0xFF),
+                       .a = chunk_from_chars(
+                               0x68,0xA5,0xE6,0x2C,0xA9,0xCE,0x6C,0x1C,0x29,0x98,0x03,0xA6,0xC1,0x53,0x0B,0x51,
+                               0x4E,0x18,0x2A,0xD8,0xB0,0x04,0x2A,0x59,0xCA,0xD2,0x9F,0x43),
+                       .b = chunk_from_chars(
+                               0x25,0x80,0xF6,0x3C,0xCF,0xE4,0x41,0x38,0x87,0x07,0x13,0xB1,0xA9,0x23,0x69,0xE3,
+                               0x3E,0x21,0x35,0xD2,0x66,0xDB,0xB3,0x72,0x38,0x6C,0x40,0x0B),
+                       .x = chunk_from_chars(
+                               0x0D,0x90,0x29,0xAD,0x2C,0x7E,0x5C,0xF4,0x34,0x08,0x23,0xB2,0xA8,0x7D,0xC6,0x8C,
+                               0x9E,0x4C,0xE3,0x17,0x4C,0x1E,0x6E,0xFD,0xEE,0x12,0xC0,0x7D),
+                       .y = chunk_from_chars(
+                               0x58,0xAA,0x56,0xF7,0x72,0xC0,0x72,0x6F,0x24,0xC6,0xB8,0x9E,0x4E,0xCD,0xAC,0x24,
+                               0x35,0x4B,0x9E,0x99,0xCA,0xA3,0xF6,0xD3,0x76,0x14,0x02,0xCD),
+                       .q = chunk_from_chars(
+                               0xD7,0xC1,0x34,0xAA,0x26,0x43,0x66,0x86,0x2A,0x18,0x30,0x25,0x75,0xD0,0xFB,0x98,
+                               0xD1,0x16,0xBC,0x4B,0x6D,0xDE,0xBC,0xA3,0xA5,0xA7,0x93,0x9F),
+               },
+       },
+       {
+               .curve = ECC_BP_256, .public = {
+                       .p = chunk_from_chars(
+                               0xA9,0xFB,0x57,0xDB,0xA1,0xEE,0xA9,0xBC,0x3E,0x66,0x0A,0x90,0x9D,0x83,0x8D,0x72,
+                               0x6E,0x3B,0xF6,0x23,0xD5,0x26,0x20,0x28,0x20,0x13,0x48,0x1D,0x1F,0x6E,0x53,0x77),
+                       .a = chunk_from_chars(
+                               0x7D,0x5A,0x09,0x75,0xFC,0x2C,0x30,0x57,0xEE,0xF6,0x75,0x30,0x41,0x7A,0xFF,0xE7,
+                               0xFB,0x80,0x55,0xC1,0x26,0xDC,0x5C,0x6C,0xE9,0x4A,0x4B,0x44,0xF3,0x30,0xB5,0xD9),
+                       .b = chunk_from_chars(
+                               0x26,0xDC,0x5C,0x6C,0xE9,0x4A,0x4B,0x44,0xF3,0x30,0xB5,0xD9,0xBB,0xD7,0x7C,0xBF,
+                               0x95,0x84,0x16,0x29,0x5C,0xF7,0xE1,0xCE,0x6B,0xCC,0xDC,0x18,0xFF,0x8C,0x07,0xB6),
+                       .x = chunk_from_chars(
+                               0x8B,0xD2,0xAE,0xB9,0xCB,0x7E,0x57,0xCB,0x2C,0x4B,0x48,0x2F,0xFC,0x81,0xB7,0xAF,
+                               0xB9,0xDE,0x27,0xE1,0xE3,0xBD,0x23,0xC2,0x3A,0x44,0x53,0xBD,0x9A,0xCE,0x32,0x62),
+                       .y = chunk_from_chars(
+                               0x54,0x7E,0xF8,0x35,0xC3,0xDA,0xC4,0xFD,0x97,0xF8,0x46,0x1A,0x14,0x61,0x1D,0xC9,
+                               0xC2,0x77,0x45,0x13,0x2D,0xED,0x8E,0x54,0x5C,0x1D,0x54,0xC7,0x2F,0x04,0x69,0x97),
+                       .q = chunk_from_chars(
+                               0xA9,0xFB,0x57,0xDB,0xA1,0xEE,0xA9,0xBC,0x3E,0x66,0x0A,0x90,0x9D,0x83,0x8D,0x71,
+                               0x8C,0x39,0x7A,0xA3,0xB5,0x61,0xA6,0xF7,0x90,0x1E,0x0E,0x82,0x97,0x48,0x56,0xA7),
+               },
+       },
+       {
+               .curve = ECC_BP_384, .public = {
+                       .p = chunk_from_chars(
+                               0x8C,0xB9,0x1E,0x82,0xA3,0x38,0x6D,0x28,0x0F,0x5D,0x6F,0x7E,0x50,0xE6,0x41,0xDF,
+                               0x15,0x2F,0x71,0x09,0xED,0x54,0x56,0xB4,0x12,0xB1,0xDA,0x19,0x7F,0xB7,0x11,0x23,
+                               0xAC,0xD3,0xA7,0x29,0x90,0x1D,0x1A,0x71,0x87,0x47,0x00,0x13,0x31,0x07,0xEC,0x53),
+                       .a = chunk_from_chars(
+                               0x7B,0xC3,0x82,0xC6,0x3D,0x8C,0x15,0x0C,0x3C,0x72,0x08,0x0A,0xCE,0x05,0xAF,0xA0,
+                               0xC2,0xBE,0xA2,0x8E,0x4F,0xB2,0x27,0x87,0x13,0x91,0x65,0xEF,0xBA,0x91,0xF9,0x0F,
+                               0x8A,0xA5,0x81,0x4A,0x50,0x3A,0xD4,0xEB,0x04,0xA8,0xC7,0xDD,0x22,0xCE,0x28,0x26),
+                       .b = chunk_from_chars(
+                               0x04,0xA8,0xC7,0xDD,0x22,0xCE,0x28,0x26,0x8B,0x39,0xB5,0x54,0x16,0xF0,0x44,0x7C,
+                               0x2F,0xB7,0x7D,0xE1,0x07,0xDC,0xD2,0xA6,0x2E,0x88,0x0E,0xA5,0x3E,0xEB,0x62,0xD5,
+                               0x7C,0xB4,0x39,0x02,0x95,0xDB,0xC9,0x94,0x3A,0xB7,0x86,0x96,0xFA,0x50,0x4C,0x11),
+                       .x = chunk_from_chars(
+                               0x1D,0x1C,0x64,0xF0,0x68,0xCF,0x45,0xFF,0xA2,0xA6,0x3A,0x81,0xB7,0xC1,0x3F,0x6B,
+                               0x88,0x47,0xA3,0xE7,0x7E,0xF1,0x4F,0xE3,0xDB,0x7F,0xCA,0xFE,0x0C,0xBD,0x10,0xE8,
+                               0xE8,0x26,0xE0,0x34,0x36,0xD6,0x46,0xAA,0xEF,0x87,0xB2,0xE2,0x47,0xD4,0xAF,0x1E),
+                       .y = chunk_from_chars(
+                               0x8A,0xBE,0x1D,0x75,0x20,0xF9,0xC2,0xA4,0x5C,0xB1,0xEB,0x8E,0x95,0xCF,0xD5,0x52,
+                               0x62,0xB7,0x0B,0x29,0xFE,0xEC,0x58,0x64,0xE1,0x9C,0x05,0x4F,0xF9,0x91,0x29,0x28,
+                               0x0E,0x46,0x46,0x21,0x77,0x91,0x81,0x11,0x42,0x82,0x03,0x41,0x26,0x3C,0x53,0x15),
+                       .q = chunk_from_chars(
+                               0x8C,0xB9,0x1E,0x82,0xA3,0x38,0x6D,0x28,0x0F,0x5D,0x6F,0x7E,0x50,0xE6,0x41,0xDF,
+                               0x15,0x2F,0x71,0x09,0xED,0x54,0x56,0xB3,0x1F,0x16,0x6E,0x6C,0xAC,0x04,0x25,0xA7,
+                               0xCF,0x3A,0xB6,0xAF,0x6B,0x7F,0xC3,0x10,0x3B,0x88,0x32,0x02,0xE9,0x04,0x65,0x65),
+               },
+       },
+       {
+               .curve = ECC_BP_512, .public = {
+                       .p = chunk_from_chars(
+                               0xAA,0xDD,0x9D,0xB8,0xDB,0xE9,0xC4,0x8B,0x3F,0xD4,0xE6,0xAE,0x33,0xC9,0xFC,0x07,
+                               0xCB,0x30,0x8D,0xB3,0xB3,0xC9,0xD2,0x0E,0xD6,0x63,0x9C,0xCA,0x70,0x33,0x08,0x71,
+                               0x7D,0x4D,0x9B,0x00,0x9B,0xC6,0x68,0x42,0xAE,0xCD,0xA1,0x2A,0xE6,0xA3,0x80,0xE6,
+                               0x28,0x81,0xFF,0x2F,0x2D,0x82,0xC6,0x85,0x28,0xAA,0x60,0x56,0x58,0x3A,0x48,0xF3),
+                       .a = chunk_from_chars(
+                               0x78,0x30,0xA3,0x31,0x8B,0x60,0x3B,0x89,0xE2,0x32,0x71,0x45,0xAC,0x23,0x4C,0xC5,
+                               0x94,0xCB,0xDD,0x8D,0x3D,0xF9,0x16,0x10,0xA8,0x34,0x41,0xCA,0xEA,0x98,0x63,0xBC,
+                               0x2D,0xED,0x5D,0x5A,0xA8,0x25,0x3A,0xA1,0x0A,0x2E,0xF1,0xC9,0x8B,0x9A,0xC8,0xB5,
+                               0x7F,0x11,0x17,0xA7,0x2B,0xF2,0xC7,0xB9,0xE7,0xC1,0xAC,0x4D,0x77,0xFC,0x94,0xCA),
+                       .b = chunk_from_chars(
+                               0x3D,0xF9,0x16,0x10,0xA8,0x34,0x41,0xCA,0xEA,0x98,0x63,0xBC,0x2D,0xED,0x5D,0x5A,
+                               0xA8,0x25,0x3A,0xA1,0x0A,0x2E,0xF1,0xC9,0x8B,0x9A,0xC8,0xB5,0x7F,0x11,0x17,0xA7,
+                               0x2B,0xF2,0xC7,0xB9,0xE7,0xC1,0xAC,0x4D,0x77,0xFC,0x94,0xCA,0xDC,0x08,0x3E,0x67,
+                               0x98,0x40,0x50,0xB7,0x5E,0xBA,0xE5,0xDD,0x28,0x09,0xBD,0x63,0x80,0x16,0xF7,0x23),
+                       .x = chunk_from_chars(
+                               0x81,0xAE,0xE4,0xBD,0xD8,0x2E,0xD9,0x64,0x5A,0x21,0x32,0x2E,0x9C,0x4C,0x6A,0x93,
+                               0x85,0xED,0x9F,0x70,0xB5,0xD9,0x16,0xC1,0xB4,0x3B,0x62,0xEE,0xF4,0xD0,0x09,0x8E,
+                               0xFF,0x3B,0x1F,0x78,0xE2,0xD0,0xD4,0x8D,0x50,0xD1,0x68,0x7B,0x93,0xB9,0x7D,0x5F,
+                               0x7C,0x6D,0x50,0x47,0x40,0x6A,0x5E,0x68,0x8B,0x35,0x22,0x09,0xBC,0xB9,0xF8,0x22),
+                       .y = chunk_from_chars(
+                               0x7D,0xDE,0x38,0x5D,0x56,0x63,0x32,0xEC,0xC0,0xEA,0xBF,0xA9,0xCF,0x78,0x22,0xFD,
+                               0xF2,0x09,0xF7,0x00,0x24,0xA5,0x7B,0x1A,0xA0,0x00,0xC5,0x5B,0x88,0x1F,0x81,0x11,
+                               0xB2,0xDC,0xDE,0x49,0x4A,0x5F,0x48,0x5E,0x5B,0xCA,0x4B,0xD8,0x8A,0x27,0x63,0xAE,
+                               0xD1,0xCA,0x2B,0x2F,0xA8,0xF0,0x54,0x06,0x78,0xCD,0x1E,0x0F,0x3A,0xD8,0x08,0x92),
+                       .q = chunk_from_chars(
+                               0xAA,0xDD,0x9D,0xB8,0xDB,0xE9,0xC4,0x8B,0x3F,0xD4,0xE6,0xAE,0x33,0xC9,0xFC,0x07,
+                               0xCB,0x30,0x8D,0xB3,0xB3,0xC9,0xD2,0x0E,0xD6,0x63,0x9C,0xCA,0x70,0x33,0x08,0x70,
+                               0x55,0x3E,0x5C,0x41,0x4C,0xA9,0x26,0x19,0x41,0x86,0x61,0x19,0x7F,0xAC,0x10,0x47,
+                               0x1D,0xB1,0xD3,0x81,0x08,0x5D,0xDA,0xDD,0xB5,0x87,0x96,0x82,0x9C,0xA9,0x00,0x69),
+               },
+       },
+};
+
+/*
+ * See header
+ */
+ec_params_t *ec_get_params(ec_curve_t curve)
+{
+       int i;
+
+       for (i = 0; i < countof(ec_params); i++)
+       {
+               if (ec_params[i].curve == curve)
+               {
+                       return &ec_params[i].public;
+               }
+       }
+       return NULL;
+}
+
+/*
+ * See header
+ */
+ec_curve_t ec_curve_from_oid(int oid)
+{
+       switch (oid)
+       {
+               case OID_PRIME192V1:
+                       return ECC_NIST_192;
+               case OID_SECT224R1:
+                       return ECC_NIST_224;
+               case OID_PRIME256V1:
+                       return ECC_NIST_256;
+               case OID_SECT384R1:
+                       return ECC_NIST_384;
+               case OID_SECT521R1:
+                       return ECC_NIST_521;
+               case OID_BRAINPOOL_P224R1:
+                       return ECC_BP_224;
+               case OID_BRAINPOOL_P256R1:
+                       return ECC_BP_256;
+               case OID_BRAINPOOL_P384R1:
+                       return ECC_BP_384;
+               case OID_BRAINPOOL_P512R1:
+                       return ECC_BP_512;
+               default:
+                       return ECC_UNKNOWN;
+       }
+}
+
+/*
+ * See header
+ */
+ec_curve_t ec_curve_for_dh(diffie_hellman_group_t group)
+{
+       switch (group)
+       {
+               case ECP_192_BIT:
+                       return ECC_NIST_192;
+               case ECP_224_BIT:
+                       return ECC_NIST_224;
+               case ECP_256_BIT:
+                       return ECC_NIST_256;
+               case ECP_384_BIT:
+                       return ECC_NIST_384;
+               case ECP_521_BIT:
+                       return ECC_NIST_521;
+               case ECP_224_BP:
+                       return ECC_BP_224;
+               case ECP_256_BP:
+                       return ECC_BP_256;
+               case ECP_384_BP:
+                       return ECC_BP_384;
+               case ECP_512_BP:
+                       return ECC_BP_512;
+               default:
+                       return ECC_UNKNOWN;
+       }
+}

diff --git a/src/libstrongswan/crypto/ec_params.h b/src/libstrongswan/crypto/ec_params.h
new file mode 100644 (file)
index 0000000..06aa49b
--- /dev/null
+++ b/src/libstrongswan/crypto/ec_params.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2013 Tobias Brunner
+ * 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 ec_params ec_params
+ * @{ @ingroup crypto
+ */
+
+#ifndef EC_PARAMS_H_
+#define EC_PARAMS_H_
+
+typedef enum ec_curve_t ec_curve_t;
+typedef struct ec_params_t ec_params_t;
+
+#include <crypto/diffie_hellman.h>
+
+/**
+ * Currently supported ECC curves
+ */
+enum ec_curve_t {
+       ECC_UNKNOWN,
+       /* NIST 192-bit curve (e.g. RFC 5114), X9.62 prime192v1, SECP secp192r1 */
+       ECC_NIST_192,
+       /* NIST 224-bit curve (e.g. RFC 5114), SECP secp224r1 */
+       ECC_NIST_224,
+       /* NIST 256-bit curve (e.g. RFC 5114), X9.62 prime256v1, SECP secp256r1 */
+       ECC_NIST_256,
+       /* NIST 384-bit curve (e.g. RFC 5114), SECP secp384r1 */
+       ECC_NIST_384,
+       /* NIST 521-bit curve (e.g. RFC 5114), SECP secp521r1 */
+       ECC_NIST_521,
+       /* ECC Brainpool 224-bit curve (RFC 5639), brainpoolP224r1 */
+       ECC_BP_224,
+       /* ECC Brainpool 256-bit curve (RFC 5639), brainpoolP256r1 */
+       ECC_BP_256,
+       /* ECC Brainpool 384-bit curve (RFC 5639), brainpoolP384r1 */
+       ECC_BP_384,
+       /* ECC Brainpool 512-bit curve (RFC 5639), brainpoolP512r1 */
+       ECC_BP_512,
+};
+
+/**
+ * Parameters for a specific ECC curve.
+ *
+ * All currently supported curves have a cofactor h of 1.
+ */
+struct ec_params_t {
+
+       /**
+        * The prime p specifying the base field
+        */
+       const chunk_t p;
+
+       /**
+        * Coefficient a of the elliptic curve E: y^2 = x^3 + ax + b (mod p)
+        */
+       const chunk_t a;
+
+       /**
+        * Coefficient b
+        */
+       const chunk_t b;
+
+       /**
+        * x coordinate of base point G (a point in E of prime order)
+        */
+       const chunk_t x;
+
+       /**
+        * y coordinate of base point G
+        */
+       const chunk_t y;
+
+       /**
+        * Prime order q of the group generated by G
+        */
+       const chunk_t q;
+};
+
+/**
+ * Get the curve identifier for the given OID.
+ *
+ * @param oid                  curve OID
+ * @return                             curve or ECC_UNKNOWN
+ */
+ec_curve_t ec_curve_from_oid(int oid);
+
+/**
+ * Get the curve identifier for the specified DH group.
+ *
+ * @param group                        DH group
+ * @return                             curve or ECC_UNKNOWN
+ */
+ec_curve_t ec_curve_for_dh(diffie_hellman_group_t group);
+
+/**
+ * Get the parameters associated with the specified curve.
+ *
+ * @param curve                        ECC curve
+ * @return                             The parameters or NULL
+ */
+ec_params_t *ec_get_params(ec_curve_t curve);
+
+#endif /** EC_PARAMS_H_ @}*/