| /* ==================================================================== |
| * Copyright (c) 2011 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * licensing@OpenSSL.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). */ |
| |
| #include <openssl/dh.h> |
| |
| #include <openssl/bn.h> |
| #include <openssl/err.h> |
| #include <openssl/mem.h> |
| |
| #include "../fipsmodule/bn/internal.h" |
| #include "../fipsmodule/dh/internal.h" |
| |
| |
| static BIGNUM *get_params(BIGNUM *ret, const BN_ULONG *words, size_t num_words) { |
| BIGNUM *alloc = NULL; |
| if (ret == NULL) { |
| alloc = BN_new(); |
| if (alloc == NULL) { |
| return NULL; |
| } |
| ret = alloc; |
| } |
| |
| if (!bn_set_words(ret, words, num_words)) { |
| BN_free(alloc); |
| return NULL; |
| } |
| |
| return ret; |
| } |
| |
| BIGNUM *BN_get_rfc3526_prime_1536(BIGNUM *ret) { |
| static const BN_ULONG kWords[] = { |
| TOBN(0xffffffff, 0xffffffff), TOBN(0xf1746c08, 0xca237327), |
| TOBN(0x670c354e, 0x4abc9804), TOBN(0x9ed52907, 0x7096966d), |
| TOBN(0x1c62f356, 0x208552bb), TOBN(0x83655d23, 0xdca3ad96), |
| TOBN(0x69163fa8, 0xfd24cf5f), TOBN(0x98da4836, 0x1c55d39a), |
| TOBN(0xc2007cb8, 0xa163bf05), TOBN(0x49286651, 0xece45b3d), |
| TOBN(0xae9f2411, 0x7c4b1fe6), TOBN(0xee386bfb, 0x5a899fa5), |
| TOBN(0x0bff5cb6, 0xf406b7ed), TOBN(0xf44c42e9, 0xa637ed6b), |
| TOBN(0xe485b576, 0x625e7ec6), TOBN(0x4fe1356d, 0x6d51c245), |
| TOBN(0x302b0a6d, 0xf25f1437), TOBN(0xef9519b3, 0xcd3a431b), |
| TOBN(0x514a0879, 0x8e3404dd), TOBN(0x020bbea6, 0x3b139b22), |
| TOBN(0x29024e08, 0x8a67cc74), TOBN(0xc4c6628b, 0x80dc1cd1), |
| TOBN(0xc90fdaa2, 0x2168c234), TOBN(0xffffffff, 0xffffffff), |
| }; |
| return get_params(ret, kWords, OPENSSL_ARRAY_SIZE(kWords)); |
| } |
| |
| BIGNUM *BN_get_rfc3526_prime_2048(BIGNUM *ret) { |
| static const BN_ULONG kWords[] = { |
| TOBN(0xffffffff, 0xffffffff), TOBN(0x15728e5a, 0x8aacaa68), |
| TOBN(0x15d22618, 0x98fa0510), TOBN(0x3995497c, 0xea956ae5), |
| TOBN(0xde2bcbf6, 0x95581718), TOBN(0xb5c55df0, 0x6f4c52c9), |
| TOBN(0x9b2783a2, 0xec07a28f), TOBN(0xe39e772c, 0x180e8603), |
| TOBN(0x32905e46, 0x2e36ce3b), TOBN(0xf1746c08, 0xca18217c), |
| TOBN(0x670c354e, 0x4abc9804), TOBN(0x9ed52907, 0x7096966d), |
| TOBN(0x1c62f356, 0x208552bb), TOBN(0x83655d23, 0xdca3ad96), |
| TOBN(0x69163fa8, 0xfd24cf5f), TOBN(0x98da4836, 0x1c55d39a), |
| TOBN(0xc2007cb8, 0xa163bf05), TOBN(0x49286651, 0xece45b3d), |
| TOBN(0xae9f2411, 0x7c4b1fe6), TOBN(0xee386bfb, 0x5a899fa5), |
| TOBN(0x0bff5cb6, 0xf406b7ed), TOBN(0xf44c42e9, 0xa637ed6b), |
| TOBN(0xe485b576, 0x625e7ec6), TOBN(0x4fe1356d, 0x6d51c245), |
| TOBN(0x302b0a6d, 0xf25f1437), TOBN(0xef9519b3, 0xcd3a431b), |
| TOBN(0x514a0879, 0x8e3404dd), TOBN(0x020bbea6, 0x3b139b22), |
| TOBN(0x29024e08, 0x8a67cc74), TOBN(0xc4c6628b, 0x80dc1cd1), |
| TOBN(0xc90fdaa2, 0x2168c234), TOBN(0xffffffff, 0xffffffff), |
| }; |
| return get_params(ret, kWords, OPENSSL_ARRAY_SIZE(kWords)); |
| } |
| |
| BIGNUM *BN_get_rfc3526_prime_3072(BIGNUM *ret) { |
| static const BN_ULONG kWords[] = { |
| TOBN(0xffffffff, 0xffffffff), TOBN(0x4b82d120, 0xa93ad2ca), |
| TOBN(0x43db5bfc, 0xe0fd108e), TOBN(0x08e24fa0, 0x74e5ab31), |
| TOBN(0x770988c0, 0xbad946e2), TOBN(0xbbe11757, 0x7a615d6c), |
| TOBN(0x521f2b18, 0x177b200c), TOBN(0xd8760273, 0x3ec86a64), |
| TOBN(0xf12ffa06, 0xd98a0864), TOBN(0xcee3d226, 0x1ad2ee6b), |
| TOBN(0x1e8c94e0, 0x4a25619d), TOBN(0xabf5ae8c, 0xdb0933d7), |
| TOBN(0xb3970f85, 0xa6e1e4c7), TOBN(0x8aea7157, 0x5d060c7d), |
| TOBN(0xecfb8504, 0x58dbef0a), TOBN(0xa85521ab, 0xdf1cba64), |
| TOBN(0xad33170d, 0x04507a33), TOBN(0x15728e5a, 0x8aaac42d), |
| TOBN(0x15d22618, 0x98fa0510), TOBN(0x3995497c, 0xea956ae5), |
| TOBN(0xde2bcbf6, 0x95581718), TOBN(0xb5c55df0, 0x6f4c52c9), |
| TOBN(0x9b2783a2, 0xec07a28f), TOBN(0xe39e772c, 0x180e8603), |
| TOBN(0x32905e46, 0x2e36ce3b), TOBN(0xf1746c08, 0xca18217c), |
| TOBN(0x670c354e, 0x4abc9804), TOBN(0x9ed52907, 0x7096966d), |
| TOBN(0x1c62f356, 0x208552bb), TOBN(0x83655d23, 0xdca3ad96), |
| TOBN(0x69163fa8, 0xfd24cf5f), TOBN(0x98da4836, 0x1c55d39a), |
| TOBN(0xc2007cb8, 0xa163bf05), TOBN(0x49286651, 0xece45b3d), |
| TOBN(0xae9f2411, 0x7c4b1fe6), TOBN(0xee386bfb, 0x5a899fa5), |
| TOBN(0x0bff5cb6, 0xf406b7ed), TOBN(0xf44c42e9, 0xa637ed6b), |
| TOBN(0xe485b576, 0x625e7ec6), TOBN(0x4fe1356d, 0x6d51c245), |
| TOBN(0x302b0a6d, 0xf25f1437), TOBN(0xef9519b3, 0xcd3a431b), |
| TOBN(0x514a0879, 0x8e3404dd), TOBN(0x020bbea6, 0x3b139b22), |
| TOBN(0x29024e08, 0x8a67cc74), TOBN(0xc4c6628b, 0x80dc1cd1), |
| TOBN(0xc90fdaa2, 0x2168c234), TOBN(0xffffffff, 0xffffffff), |
| }; |
| return get_params(ret, kWords, OPENSSL_ARRAY_SIZE(kWords)); |
| } |
| |
| BIGNUM *BN_get_rfc3526_prime_4096(BIGNUM *ret) { |
| static const BN_ULONG kWords[] = { |
| TOBN(0xffffffff, 0xffffffff), TOBN(0x4df435c9, 0x34063199), |
| TOBN(0x86ffb7dc, 0x90a6c08f), TOBN(0x93b4ea98, 0x8d8fddc1), |
| TOBN(0xd0069127, 0xd5b05aa9), TOBN(0xb81bdd76, 0x2170481c), |
| TOBN(0x1f612970, 0xcee2d7af), TOBN(0x233ba186, 0x515be7ed), |
| TOBN(0x99b2964f, 0xa090c3a2), TOBN(0x287c5947, 0x4e6bc05d), |
| TOBN(0x2e8efc14, 0x1fbecaa6), TOBN(0xdbbbc2db, 0x04de8ef9), |
| TOBN(0x2583e9ca, 0x2ad44ce8), TOBN(0x1a946834, 0xb6150bda), |
| TOBN(0x99c32718, 0x6af4e23c), TOBN(0x88719a10, 0xbdba5b26), |
| TOBN(0x1a723c12, 0xa787e6d7), TOBN(0x4b82d120, 0xa9210801), |
| TOBN(0x43db5bfc, 0xe0fd108e), TOBN(0x08e24fa0, 0x74e5ab31), |
| TOBN(0x770988c0, 0xbad946e2), TOBN(0xbbe11757, 0x7a615d6c), |
| TOBN(0x521f2b18, 0x177b200c), TOBN(0xd8760273, 0x3ec86a64), |
| TOBN(0xf12ffa06, 0xd98a0864), TOBN(0xcee3d226, 0x1ad2ee6b), |
| TOBN(0x1e8c94e0, 0x4a25619d), TOBN(0xabf5ae8c, 0xdb0933d7), |
| TOBN(0xb3970f85, 0xa6e1e4c7), TOBN(0x8aea7157, 0x5d060c7d), |
| TOBN(0xecfb8504, 0x58dbef0a), TOBN(0xa85521ab, 0xdf1cba64), |
| TOBN(0xad33170d, 0x04507a33), TOBN(0x15728e5a, 0x8aaac42d), |
| TOBN(0x15d22618, 0x98fa0510), TOBN(0x3995497c, 0xea956ae5), |
| TOBN(0xde2bcbf6, 0x95581718), TOBN(0xb5c55df0, 0x6f4c52c9), |
| TOBN(0x9b2783a2, 0xec07a28f), TOBN(0xe39e772c, 0x180e8603), |
| TOBN(0x32905e46, 0x2e36ce3b), TOBN(0xf1746c08, 0xca18217c), |
| TOBN(0x670c354e, 0x4abc9804), TOBN(0x9ed52907, 0x7096966d), |
| TOBN(0x1c62f356, 0x208552bb), TOBN(0x83655d23, 0xdca3ad96), |
| TOBN(0x69163fa8, 0xfd24cf5f), TOBN(0x98da4836, 0x1c55d39a), |
| TOBN(0xc2007cb8, 0xa163bf05), TOBN(0x49286651, 0xece45b3d), |
| TOBN(0xae9f2411, 0x7c4b1fe6), TOBN(0xee386bfb, 0x5a899fa5), |
| TOBN(0x0bff5cb6, 0xf406b7ed), TOBN(0xf44c42e9, 0xa637ed6b), |
| TOBN(0xe485b576, 0x625e7ec6), TOBN(0x4fe1356d, 0x6d51c245), |
| TOBN(0x302b0a6d, 0xf25f1437), TOBN(0xef9519b3, 0xcd3a431b), |
| TOBN(0x514a0879, 0x8e3404dd), TOBN(0x020bbea6, 0x3b139b22), |
| TOBN(0x29024e08, 0x8a67cc74), TOBN(0xc4c6628b, 0x80dc1cd1), |
| TOBN(0xc90fdaa2, 0x2168c234), TOBN(0xffffffff, 0xffffffff), |
| }; |
| return get_params(ret, kWords, OPENSSL_ARRAY_SIZE(kWords)); |
| } |
| |
| BIGNUM *BN_get_rfc3526_prime_6144(BIGNUM *ret) { |
| static const BN_ULONG kWords[] = { |
| TOBN(0xffffffff, 0xffffffff), TOBN(0xe694f91e, 0x6dcc4024), |
| TOBN(0x12bf2d5b, 0x0b7474d6), TOBN(0x043e8f66, 0x3f4860ee), |
| TOBN(0x387fe8d7, 0x6e3c0468), TOBN(0xda56c9ec, 0x2ef29632), |
| TOBN(0xeb19ccb1, 0xa313d55c), TOBN(0xf550aa3d, 0x8a1fbff0), |
| TOBN(0x06a1d58b, 0xb7c5da76), TOBN(0xa79715ee, 0xf29be328), |
| TOBN(0x14cc5ed2, 0x0f8037e0), TOBN(0xcc8f6d7e, 0xbf48e1d8), |
| TOBN(0x4bd407b2, 0x2b4154aa), TOBN(0x0f1d45b7, 0xff585ac5), |
| TOBN(0x23a97a7e, 0x36cc88be), TOBN(0x59e7c97f, 0xbec7e8f3), |
| TOBN(0xb5a84031, 0x900b1c9e), TOBN(0xd55e702f, 0x46980c82), |
| TOBN(0xf482d7ce, 0x6e74fef6), TOBN(0xf032ea15, 0xd1721d03), |
| TOBN(0x5983ca01, 0xc64b92ec), TOBN(0x6fb8f401, 0x378cd2bf), |
| TOBN(0x33205151, 0x2bd7af42), TOBN(0xdb7f1447, 0xe6cc254b), |
| TOBN(0x44ce6cba, 0xced4bb1b), TOBN(0xda3edbeb, 0xcf9b14ed), |
| TOBN(0x179727b0, 0x865a8918), TOBN(0xb06a53ed, 0x9027d831), |
| TOBN(0xe5db382f, 0x413001ae), TOBN(0xf8ff9406, 0xad9e530e), |
| TOBN(0xc9751e76, 0x3dba37bd), TOBN(0xc1d4dcb2, 0x602646de), |
| TOBN(0x36c3fab4, 0xd27c7026), TOBN(0x4df435c9, 0x34028492), |
| TOBN(0x86ffb7dc, 0x90a6c08f), TOBN(0x93b4ea98, 0x8d8fddc1), |
| TOBN(0xd0069127, 0xd5b05aa9), TOBN(0xb81bdd76, 0x2170481c), |
| TOBN(0x1f612970, 0xcee2d7af), TOBN(0x233ba186, 0x515be7ed), |
| TOBN(0x99b2964f, 0xa090c3a2), TOBN(0x287c5947, 0x4e6bc05d), |
| TOBN(0x2e8efc14, 0x1fbecaa6), TOBN(0xdbbbc2db, 0x04de8ef9), |
| TOBN(0x2583e9ca, 0x2ad44ce8), TOBN(0x1a946834, 0xb6150bda), |
| TOBN(0x99c32718, 0x6af4e23c), TOBN(0x88719a10, 0xbdba5b26), |
| TOBN(0x1a723c12, 0xa787e6d7), TOBN(0x4b82d120, 0xa9210801), |
| TOBN(0x43db5bfc, 0xe0fd108e), TOBN(0x08e24fa0, 0x74e5ab31), |
| TOBN(0x770988c0, 0xbad946e2), TOBN(0xbbe11757, 0x7a615d6c), |
| TOBN(0x521f2b18, 0x177b200c), TOBN(0xd8760273, 0x3ec86a64), |
| TOBN(0xf12ffa06, 0xd98a0864), TOBN(0xcee3d226, 0x1ad2ee6b), |
| TOBN(0x1e8c94e0, 0x4a25619d), TOBN(0xabf5ae8c, 0xdb0933d7), |
| TOBN(0xb3970f85, 0xa6e1e4c7), TOBN(0x8aea7157, 0x5d060c7d), |
| TOBN(0xecfb8504, 0x58dbef0a), TOBN(0xa85521ab, 0xdf1cba64), |
| TOBN(0xad33170d, 0x04507a33), TOBN(0x15728e5a, 0x8aaac42d), |
| TOBN(0x15d22618, 0x98fa0510), TOBN(0x3995497c, 0xea956ae5), |
| TOBN(0xde2bcbf6, 0x95581718), TOBN(0xb5c55df0, 0x6f4c52c9), |
| TOBN(0x9b2783a2, 0xec07a28f), TOBN(0xe39e772c, 0x180e8603), |
| TOBN(0x32905e46, 0x2e36ce3b), TOBN(0xf1746c08, 0xca18217c), |
| TOBN(0x670c354e, 0x4abc9804), TOBN(0x9ed52907, 0x7096966d), |
| TOBN(0x1c62f356, 0x208552bb), TOBN(0x83655d23, 0xdca3ad96), |
| TOBN(0x69163fa8, 0xfd24cf5f), TOBN(0x98da4836, 0x1c55d39a), |
| TOBN(0xc2007cb8, 0xa163bf05), TOBN(0x49286651, 0xece45b3d), |
| TOBN(0xae9f2411, 0x7c4b1fe6), TOBN(0xee386bfb, 0x5a899fa5), |
| TOBN(0x0bff5cb6, 0xf406b7ed), TOBN(0xf44c42e9, 0xa637ed6b), |
| TOBN(0xe485b576, 0x625e7ec6), TOBN(0x4fe1356d, 0x6d51c245), |
| TOBN(0x302b0a6d, 0xf25f1437), TOBN(0xef9519b3, 0xcd3a431b), |
| TOBN(0x514a0879, 0x8e3404dd), TOBN(0x020bbea6, 0x3b139b22), |
| TOBN(0x29024e08, 0x8a67cc74), TOBN(0xc4c6628b, 0x80dc1cd1), |
| TOBN(0xc90fdaa2, 0x2168c234), TOBN(0xffffffff, 0xffffffff), |
| }; |
| return get_params(ret, kWords, OPENSSL_ARRAY_SIZE(kWords)); |
| } |
| |
| BIGNUM *BN_get_rfc3526_prime_8192(BIGNUM *ret) { |
| static const BN_ULONG kWords[] = { |
| TOBN(0xffffffff, 0xffffffff), TOBN(0x60c980dd, 0x98edd3df), |
| TOBN(0xc81f56e8, 0x80b96e71), TOBN(0x9e3050e2, 0x765694df), |
| TOBN(0x9558e447, 0x5677e9aa), TOBN(0xc9190da6, 0xfc026e47), |
| TOBN(0x889a002e, 0xd5ee382b), TOBN(0x4009438b, 0x481c6cd7), |
| TOBN(0x359046f4, 0xeb879f92), TOBN(0xfaf36bc3, 0x1ecfa268), |
| TOBN(0xb1d510bd, 0x7ee74d73), TOBN(0xf9ab4819, 0x5ded7ea1), |
| TOBN(0x64f31cc5, 0x0846851d), TOBN(0x4597e899, 0xa0255dc1), |
| TOBN(0xdf310ee0, 0x74ab6a36), TOBN(0x6d2a13f8, 0x3f44f82d), |
| TOBN(0x062b3cf5, 0xb3a278a6), TOBN(0x79683303, 0xed5bdd3a), |
| TOBN(0xfa9d4b7f, 0xa2c087e8), TOBN(0x4bcbc886, 0x2f8385dd), |
| TOBN(0x3473fc64, 0x6cea306b), TOBN(0x13eb57a8, 0x1a23f0c7), |
| TOBN(0x22222e04, 0xa4037c07), TOBN(0xe3fdb8be, 0xfc848ad9), |
| TOBN(0x238f16cb, 0xe39d652d), TOBN(0x3423b474, 0x2bf1c978), |
| TOBN(0x3aab639c, 0x5ae4f568), TOBN(0x2576f693, 0x6ba42466), |
| TOBN(0x741fa7bf, 0x8afc47ed), TOBN(0x3bc832b6, 0x8d9dd300), |
| TOBN(0xd8bec4d0, 0x73b931ba), TOBN(0x38777cb6, 0xa932df8c), |
| TOBN(0x74a3926f, 0x12fee5e4), TOBN(0xe694f91e, 0x6dbe1159), |
| TOBN(0x12bf2d5b, 0x0b7474d6), TOBN(0x043e8f66, 0x3f4860ee), |
| TOBN(0x387fe8d7, 0x6e3c0468), TOBN(0xda56c9ec, 0x2ef29632), |
| TOBN(0xeb19ccb1, 0xa313d55c), TOBN(0xf550aa3d, 0x8a1fbff0), |
| TOBN(0x06a1d58b, 0xb7c5da76), TOBN(0xa79715ee, 0xf29be328), |
| TOBN(0x14cc5ed2, 0x0f8037e0), TOBN(0xcc8f6d7e, 0xbf48e1d8), |
| TOBN(0x4bd407b2, 0x2b4154aa), TOBN(0x0f1d45b7, 0xff585ac5), |
| TOBN(0x23a97a7e, 0x36cc88be), TOBN(0x59e7c97f, 0xbec7e8f3), |
| TOBN(0xb5a84031, 0x900b1c9e), TOBN(0xd55e702f, 0x46980c82), |
| TOBN(0xf482d7ce, 0x6e74fef6), TOBN(0xf032ea15, 0xd1721d03), |
| TOBN(0x5983ca01, 0xc64b92ec), TOBN(0x6fb8f401, 0x378cd2bf), |
| TOBN(0x33205151, 0x2bd7af42), TOBN(0xdb7f1447, 0xe6cc254b), |
| TOBN(0x44ce6cba, 0xced4bb1b), TOBN(0xda3edbeb, 0xcf9b14ed), |
| TOBN(0x179727b0, 0x865a8918), TOBN(0xb06a53ed, 0x9027d831), |
| TOBN(0xe5db382f, 0x413001ae), TOBN(0xf8ff9406, 0xad9e530e), |
| TOBN(0xc9751e76, 0x3dba37bd), TOBN(0xc1d4dcb2, 0x602646de), |
| TOBN(0x36c3fab4, 0xd27c7026), TOBN(0x4df435c9, 0x34028492), |
| TOBN(0x86ffb7dc, 0x90a6c08f), TOBN(0x93b4ea98, 0x8d8fddc1), |
| TOBN(0xd0069127, 0xd5b05aa9), TOBN(0xb81bdd76, 0x2170481c), |
| TOBN(0x1f612970, 0xcee2d7af), TOBN(0x233ba186, 0x515be7ed), |
| TOBN(0x99b2964f, 0xa090c3a2), TOBN(0x287c5947, 0x4e6bc05d), |
| TOBN(0x2e8efc14, 0x1fbecaa6), TOBN(0xdbbbc2db, 0x04de8ef9), |
| TOBN(0x2583e9ca, 0x2ad44ce8), TOBN(0x1a946834, 0xb6150bda), |
| TOBN(0x99c32718, 0x6af4e23c), TOBN(0x88719a10, 0xbdba5b26), |
| TOBN(0x1a723c12, 0xa787e6d7), TOBN(0x4b82d120, 0xa9210801), |
| TOBN(0x43db5bfc, 0xe0fd108e), TOBN(0x08e24fa0, 0x74e5ab31), |
| TOBN(0x770988c0, 0xbad946e2), TOBN(0xbbe11757, 0x7a615d6c), |
| TOBN(0x521f2b18, 0x177b200c), TOBN(0xd8760273, 0x3ec86a64), |
| TOBN(0xf12ffa06, 0xd98a0864), TOBN(0xcee3d226, 0x1ad2ee6b), |
| TOBN(0x1e8c94e0, 0x4a25619d), TOBN(0xabf5ae8c, 0xdb0933d7), |
| TOBN(0xb3970f85, 0xa6e1e4c7), TOBN(0x8aea7157, 0x5d060c7d), |
| TOBN(0xecfb8504, 0x58dbef0a), TOBN(0xa85521ab, 0xdf1cba64), |
| TOBN(0xad33170d, 0x04507a33), TOBN(0x15728e5a, 0x8aaac42d), |
| TOBN(0x15d22618, 0x98fa0510), TOBN(0x3995497c, 0xea956ae5), |
| TOBN(0xde2bcbf6, 0x95581718), TOBN(0xb5c55df0, 0x6f4c52c9), |
| TOBN(0x9b2783a2, 0xec07a28f), TOBN(0xe39e772c, 0x180e8603), |
| TOBN(0x32905e46, 0x2e36ce3b), TOBN(0xf1746c08, 0xca18217c), |
| TOBN(0x670c354e, 0x4abc9804), TOBN(0x9ed52907, 0x7096966d), |
| TOBN(0x1c62f356, 0x208552bb), TOBN(0x83655d23, 0xdca3ad96), |
| TOBN(0x69163fa8, 0xfd24cf5f), TOBN(0x98da4836, 0x1c55d39a), |
| TOBN(0xc2007cb8, 0xa163bf05), TOBN(0x49286651, 0xece45b3d), |
| TOBN(0xae9f2411, 0x7c4b1fe6), TOBN(0xee386bfb, 0x5a899fa5), |
| TOBN(0x0bff5cb6, 0xf406b7ed), TOBN(0xf44c42e9, 0xa637ed6b), |
| TOBN(0xe485b576, 0x625e7ec6), TOBN(0x4fe1356d, 0x6d51c245), |
| TOBN(0x302b0a6d, 0xf25f1437), TOBN(0xef9519b3, 0xcd3a431b), |
| TOBN(0x514a0879, 0x8e3404dd), TOBN(0x020bbea6, 0x3b139b22), |
| TOBN(0x29024e08, 0x8a67cc74), TOBN(0xc4c6628b, 0x80dc1cd1), |
| TOBN(0xc90fdaa2, 0x2168c234), TOBN(0xffffffff, 0xffffffff), |
| }; |
| return get_params(ret, kWords, OPENSSL_ARRAY_SIZE(kWords)); |
| } |
| |
| int DH_generate_parameters_ex(DH *dh, int prime_bits, int generator, |
| BN_GENCB *cb) { |
| // We generate DH parameters as follows |
| // find a prime q which is prime_bits/2 bits long. |
| // p=(2*q)+1 or (p-1)/2 = q |
| // For this case, g is a generator if |
| // g^((p-1)/q) mod p != 1 for values of q which are the factors of p-1. |
| // Since the factors of p-1 are q and 2, we just need to check |
| // g^2 mod p != 1 and g^q mod p != 1. |
| // |
| // Having said all that, |
| // there is another special case method for the generators 2, 3 and 5. |
| // for 2, p mod 24 == 11 |
| // for 3, p mod 12 == 5 <<<<< does not work for safe primes. |
| // for 5, p mod 10 == 3 or 7 |
| // |
| // Thanks to Phil Karn <karn@qualcomm.com> for the pointers about the |
| // special generators and for answering some of my questions. |
| // |
| // I've implemented the second simple method :-). |
| // Since DH should be using a safe prime (both p and q are prime), |
| // this generator function can take a very very long time to run. |
| |
| // Actually there is no reason to insist that 'generator' be a generator. |
| // It's just as OK (and in some sense better) to use a generator of the |
| // order-q subgroup. |
| |
| BIGNUM *t1, *t2; |
| int g, ok = 0; |
| BN_CTX *ctx = NULL; |
| |
| ctx = BN_CTX_new(); |
| if (ctx == NULL) { |
| goto err; |
| } |
| BN_CTX_start(ctx); |
| t1 = BN_CTX_get(ctx); |
| t2 = BN_CTX_get(ctx); |
| if (t1 == NULL || t2 == NULL) { |
| goto err; |
| } |
| |
| // Make sure |dh| has the necessary elements |
| if (dh->p == NULL) { |
| dh->p = BN_new(); |
| if (dh->p == NULL) { |
| goto err; |
| } |
| } |
| if (dh->g == NULL) { |
| dh->g = BN_new(); |
| if (dh->g == NULL) { |
| goto err; |
| } |
| } |
| |
| if (generator <= 1) { |
| OPENSSL_PUT_ERROR(DH, DH_R_BAD_GENERATOR); |
| goto err; |
| } |
| if (generator == DH_GENERATOR_2) { |
| if (!BN_set_word(t1, 24)) { |
| goto err; |
| } |
| if (!BN_set_word(t2, 11)) { |
| goto err; |
| } |
| g = 2; |
| } else if (generator == DH_GENERATOR_5) { |
| if (!BN_set_word(t1, 10)) { |
| goto err; |
| } |
| if (!BN_set_word(t2, 3)) { |
| goto err; |
| } |
| // BN_set_word(t3,7); just have to miss |
| // out on these ones :-( |
| g = 5; |
| } else { |
| // in the general case, don't worry if 'generator' is a |
| // generator or not: since we are using safe primes, |
| // it will generate either an order-q or an order-2q group, |
| // which both is OK |
| if (!BN_set_word(t1, 2)) { |
| goto err; |
| } |
| if (!BN_set_word(t2, 1)) { |
| goto err; |
| } |
| g = generator; |
| } |
| |
| if (!BN_generate_prime_ex(dh->p, prime_bits, 1, t1, t2, cb)) { |
| goto err; |
| } |
| if (!BN_GENCB_call(cb, 3, 0)) { |
| goto err; |
| } |
| if (!BN_set_word(dh->g, g)) { |
| goto err; |
| } |
| ok = 1; |
| |
| err: |
| if (!ok) { |
| OPENSSL_PUT_ERROR(DH, ERR_R_BN_LIB); |
| } |
| |
| if (ctx != NULL) { |
| BN_CTX_end(ctx); |
| BN_CTX_free(ctx); |
| } |
| return ok; |
| } |
| |
| static int int_dh_bn_cpy(BIGNUM **dst, const BIGNUM *src) { |
| BIGNUM *a = NULL; |
| |
| if (src) { |
| a = BN_dup(src); |
| if (!a) { |
| return 0; |
| } |
| } |
| |
| BN_free(*dst); |
| *dst = a; |
| return 1; |
| } |
| |
| static int int_dh_param_copy(DH *to, const DH *from, int is_x942) { |
| if (is_x942 == -1) { |
| is_x942 = !!from->q; |
| } |
| if (!int_dh_bn_cpy(&to->p, from->p) || |
| !int_dh_bn_cpy(&to->g, from->g)) { |
| return 0; |
| } |
| |
| if (!is_x942) { |
| return 1; |
| } |
| |
| if (!int_dh_bn_cpy(&to->q, from->q)) { |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| DH *DHparams_dup(const DH *dh) { |
| DH *ret = DH_new(); |
| if (!ret) { |
| return NULL; |
| } |
| |
| if (!int_dh_param_copy(ret, dh, -1)) { |
| DH_free(ret); |
| return NULL; |
| } |
| |
| return ret; |
| } |
