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boringssl/crypto/dh/dh_test.cc

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  1. /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

  2.  * All rights reserved.

  3.  *

  4.  * This package is an SSL implementation written

  5.  * by Eric Young (eay@cryptsoft.com).

  6.  * The implementation was written so as to conform with Netscapes SSL.

  7.  *

  8.  * This library is free for commercial and non-commercial use as long as

  9.  * the following conditions are aheared to.  The following conditions

  10.  * apply to all code found in this distribution, be it the RC4, RSA,

  11.  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation

  12.  * included with this distribution is covered by the same copyright terms

  13.  * except that the holder is Tim Hudson (tjh@cryptsoft.com).

  14.  *

  15.  * Copyright remains Eric Young's, and as such any Copyright notices in

  16.  * the code are not to be removed.

  17.  * If this package is used in a product, Eric Young should be given attribution

  18.  * as the author of the parts of the library used.

  19.  * This can be in the form of a textual message at program startup or

  20.  * in documentation (online or textual) provided with the package.

  21.  *

  22.  * Redistribution and use in source and binary forms, with or without

  23.  * modification, are permitted provided that the following conditions

  24.  * are met:

  25.  * 1. Redistributions of source code must retain the copyright

  26.  *    notice, this list of conditions and the following disclaimer.

  27.  * 2. Redistributions in binary form must reproduce the above copyright

  28.  *    notice, this list of conditions and the following disclaimer in the

  29.  *    documentation and/or other materials provided with the distribution.

  30.  * 3. All advertising materials mentioning features or use of this software

  31.  *    must display the following acknowledgement:

  32.  *    "This product includes cryptographic software written by

  33.  *     Eric Young (eay@cryptsoft.com)"

  34.  *    The word 'cryptographic' can be left out if the rouines from the library

  35.  *    being used are not cryptographic related :-).

  36.  * 4. If you include any Windows specific code (or a derivative thereof) from

  37.  *    the apps directory (application code) you must include an acknowledgement:

  38.  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"

  39.  *

  40.  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND

  41.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  42.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  43.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

  44.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

  45.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

  46.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

  47.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

  48.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

  49.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

  50.  * SUCH DAMAGE.

  51.  *

  52.  * The licence and distribution terms for any publically available version or

  53.  * derivative of this code cannot be changed.  i.e. this code cannot simply be

  54.  * copied and put under another distribution licence

  55.  * [including the GNU Public Licence.] */

  56. 

  57. #include <openssl/dh.h>

  58. 

  59. #include <stdio.h>

  60. #include <string.h>

  61. 

  62. #include <vector>

  63. 

  64. #include <gtest/gtest.h>

  65. 

  66. #include <openssl/bn.h>

  67. #include <openssl/bytestring.h>

  68. #include <openssl/crypto.h>

  69. #include <openssl/dh.h>

  70. #include <openssl/err.h>

  71. #include <openssl/mem.h>

  72. 

  73. #include "../internal.h"

  74. 

  75. 

  76. static bool RunBasicTests();

  77. static bool RunRFC5114Tests();

  78. static bool TestBadY();

  79. static bool TestASN1();

  80. static bool TestRFC3526();

  81. 

  82. // TODO(davidben): Convert this file to GTest properly.

  83. TEST(DHTest, AllTests) {

  84.   if (!RunBasicTests() ||

  85.       !RunRFC5114Tests() ||

  86.       !TestBadY() ||

  87.       !TestASN1() ||

  88.       !TestRFC3526()) {

  89.     ADD_FAILURE() << "Tests failed.";

  90.   }

  91. }

  92. 

  93. static int GenerateCallback(int p, int n, BN_GENCB *arg) {

  94.   char c = '*';

  95. 

  96.   if (p == 0) {

  97.     c = '.';

  98.   } else if (p == 1) {

  99.     c = '+';

  100.   } else if (p == 2) {

  101.     c = '*';

  102.   } else if (p == 3) {

  103.     c = '\n';

  104.   }

  105.   FILE *out = reinterpret_cast<FILE*>(arg->arg);

  106.   fputc(c, out);

  107.   fflush(out);

  108. 

  109.   return 1;

  110. }

  111. 

  112. static bool RunBasicTests() {

  113.   BN_GENCB cb;

  114.   BN_GENCB_set(&cb, &GenerateCallback, stdout);

  115.   bssl::UniquePtr<DH> a(DH_new());

  116.   if (!a || !DH_generate_parameters_ex(a.get(), 64, DH_GENERATOR_5, &cb)) {

  117.     return false;

  118.   }

  119. 

  120.   int check_result;

  121.   if (!DH_check(a.get(), &check_result)) {

  122.     return false;

  123.   }

  124.   if (check_result & DH_CHECK_P_NOT_PRIME) {

  125.     printf("p value is not prime\n");

  126.   }

  127.   if (check_result & DH_CHECK_P_NOT_SAFE_PRIME) {

  128.     printf("p value is not a safe prime\n");

  129.   }

  130.   if (check_result & DH_CHECK_UNABLE_TO_CHECK_GENERATOR) {

  131.     printf("unable to check the generator value\n");

  132.   }

  133.   if (check_result & DH_CHECK_NOT_SUITABLE_GENERATOR) {

  134.     printf("the g value is not a generator\n");

  135.   }

  136. 

  137.   printf("\np    = ");

  138.   BN_print_fp(stdout, a->p);

  139.   printf("\ng    = ");

  140.   BN_print_fp(stdout, a->g);

  141.   printf("\n");

  142. 

  143.   bssl::UniquePtr<DH> b(DH_new());

  144.   if (!b) {

  145.     return false;

  146.   }

  147. 

  148.   b->p = BN_dup(a->p);

  149.   b->g = BN_dup(a->g);

  150.   if (b->p == nullptr || b->g == nullptr) {

  151.     return false;

  152.   }

  153. 

  154.   if (!DH_generate_key(a.get())) {

  155.     return false;

  156.   }

  157.   printf("pri1 = ");

  158.   BN_print_fp(stdout, a->priv_key);

  159.   printf("\npub1 = ");

  160.   BN_print_fp(stdout, a->pub_key);

  161.   printf("\n");

  162. 

  163.   if (!DH_generate_key(b.get())) {

  164.     return false;

  165.   }

  166.   printf("pri2 = ");

  167.   BN_print_fp(stdout, b->priv_key);

  168.   printf("\npub2 = ");

  169.   BN_print_fp(stdout, b->pub_key);

  170.   printf("\n");

  171. 

  172.   std::vector<uint8_t> key1(DH_size(a.get()));

  173.   int ret = DH_compute_key(key1.data(), b->pub_key, a.get());

  174.   if (ret < 0) {

  175.     return false;

  176.   }

  177.   key1.resize(ret);

  178. 

  179.   printf("key1 = ");

  180.   for (size_t i = 0; i < key1.size(); i++) {

  181.     printf("%02x", key1[i]);

  182.   }

  183.   printf("\n");

  184. 

  185.   std::vector<uint8_t> key2(DH_size(b.get()));

  186.   ret = DH_compute_key(key2.data(), a->pub_key, b.get());

  187.   if (ret < 0) {

  188.     return false;

  189.   }

  190.   key2.resize(ret);

  191. 

  192.   printf("key2 = ");

  193.   for (size_t i = 0; i < key2.size(); i++) {

  194.     printf("%02x", key2[i]);

  195.   }

  196.   printf("\n");

  197. 

  198.   if (key1.size() < 4 || key1 != key2) {

  199.     fprintf(stderr, "Error in DH routines\n");

  200.     return false;

  201.   }

  202. 

  203.   return true;

  204. }

  205. 

  206. /* Test data from RFC 5114 */

  207. 

  208. static const uint8_t kDHTest1024_160_xA[] = {

  209.     0xB9, 0xA3, 0xB3, 0xAE, 0x8F, 0xEF, 0xC1, 0xA2, 0x93, 0x04,

  210.     0x96, 0x50, 0x70, 0x86, 0xF8, 0x45, 0x5D, 0x48, 0x94, 0x3E};

  211. static const uint8_t kDHTest1024_160_yA[] = {

  212.     0x2A, 0x85, 0x3B, 0x3D, 0x92, 0x19, 0x75, 0x01, 0xB9, 0x01, 0x5B, 0x2D,

  213.     0xEB, 0x3E, 0xD8, 0x4F, 0x5E, 0x02, 0x1D, 0xCC, 0x3E, 0x52, 0xF1, 0x09,

  214.     0xD3, 0x27, 0x3D, 0x2B, 0x75, 0x21, 0x28, 0x1C, 0xBA, 0xBE, 0x0E, 0x76,

  215.     0xFF, 0x57, 0x27, 0xFA, 0x8A, 0xCC, 0xE2, 0x69, 0x56, 0xBA, 0x9A, 0x1F,

  216.     0xCA, 0x26, 0xF2, 0x02, 0x28, 0xD8, 0x69, 0x3F, 0xEB, 0x10, 0x84, 0x1D,

  217.     0x84, 0xA7, 0x36, 0x00, 0x54, 0xEC, 0xE5, 0xA7, 0xF5, 0xB7, 0xA6, 0x1A,

  218.     0xD3, 0xDF, 0xB3, 0xC6, 0x0D, 0x2E, 0x43, 0x10, 0x6D, 0x87, 0x27, 0xDA,

  219.     0x37, 0xDF, 0x9C, 0xCE, 0x95, 0xB4, 0x78, 0x75, 0x5D, 0x06, 0xBC, 0xEA,

  220.     0x8F, 0x9D, 0x45, 0x96, 0x5F, 0x75, 0xA5, 0xF3, 0xD1, 0xDF, 0x37, 0x01,

  221.     0x16, 0x5F, 0xC9, 0xE5, 0x0C, 0x42, 0x79, 0xCE, 0xB0, 0x7F, 0x98, 0x95,

  222.     0x40, 0xAE, 0x96, 0xD5, 0xD8, 0x8E, 0xD7, 0x76};

  223. static const uint8_t kDHTest1024_160_xB[] = {

  224.     0x93, 0x92, 0xC9, 0xF9, 0xEB, 0x6A, 0x7A, 0x6A, 0x90, 0x22,

  225.     0xF7, 0xD8, 0x3E, 0x72, 0x23, 0xC6, 0x83, 0x5B, 0xBD, 0xDA};

  226. static const uint8_t kDHTest1024_160_yB[] = {

  227.     0x71, 0x7A, 0x6C, 0xB0, 0x53, 0x37, 0x1F, 0xF4, 0xA3, 0xB9, 0x32, 0x94,

  228.     0x1C, 0x1E, 0x56, 0x63, 0xF8, 0x61, 0xA1, 0xD6, 0xAD, 0x34, 0xAE, 0x66,

  229.     0x57, 0x6D, 0xFB, 0x98, 0xF6, 0xC6, 0xCB, 0xF9, 0xDD, 0xD5, 0xA5, 0x6C,

  230.     0x78, 0x33, 0xF6, 0xBC, 0xFD, 0xFF, 0x09, 0x55, 0x82, 0xAD, 0x86, 0x8E,

  231.     0x44, 0x0E, 0x8D, 0x09, 0xFD, 0x76, 0x9E, 0x3C, 0xEC, 0xCD, 0xC3, 0xD3,

  232.     0xB1, 0xE4, 0xCF, 0xA0, 0x57, 0x77, 0x6C, 0xAA, 0xF9, 0x73, 0x9B, 0x6A,

  233.     0x9F, 0xEE, 0x8E, 0x74, 0x11, 0xF8, 0xD6, 0xDA, 0xC0, 0x9D, 0x6A, 0x4E,

  234.     0xDB, 0x46, 0xCC, 0x2B, 0x5D, 0x52, 0x03, 0x09, 0x0E, 0xAE, 0x61, 0x26,

  235.     0x31, 0x1E, 0x53, 0xFD, 0x2C, 0x14, 0xB5, 0x74, 0xE6, 0xA3, 0x10, 0x9A,

  236.     0x3D, 0xA1, 0xBE, 0x41, 0xBD, 0xCE, 0xAA, 0x18, 0x6F, 0x5C, 0xE0, 0x67,

  237.     0x16, 0xA2, 0xB6, 0xA0, 0x7B, 0x3C, 0x33, 0xFE};

  238. static const uint8_t kDHTest1024_160_Z[] = {

  239.     0x5C, 0x80, 0x4F, 0x45, 0x4D, 0x30, 0xD9, 0xC4, 0xDF, 0x85, 0x27, 0x1F,

  240.     0x93, 0x52, 0x8C, 0x91, 0xDF, 0x6B, 0x48, 0xAB, 0x5F, 0x80, 0xB3, 0xB5,

  241.     0x9C, 0xAA, 0xC1, 0xB2, 0x8F, 0x8A, 0xCB, 0xA9, 0xCD, 0x3E, 0x39, 0xF3,

  242.     0xCB, 0x61, 0x45, 0x25, 0xD9, 0x52, 0x1D, 0x2E, 0x64, 0x4C, 0x53, 0xB8,

  243.     0x07, 0xB8, 0x10, 0xF3, 0x40, 0x06, 0x2F, 0x25, 0x7D, 0x7D, 0x6F, 0xBF,

  244.     0xE8, 0xD5, 0xE8, 0xF0, 0x72, 0xE9, 0xB6, 0xE9, 0xAF, 0xDA, 0x94, 0x13,

  245.     0xEA, 0xFB, 0x2E, 0x8B, 0x06, 0x99, 0xB1, 0xFB, 0x5A, 0x0C, 0xAC, 0xED,

  246.     0xDE, 0xAE, 0xAD, 0x7E, 0x9C, 0xFB, 0xB3, 0x6A, 0xE2, 0xB4, 0x20, 0x83,

  247.     0x5B, 0xD8, 0x3A, 0x19, 0xFB, 0x0B, 0x5E, 0x96, 0xBF, 0x8F, 0xA4, 0xD0,

  248.     0x9E, 0x34, 0x55, 0x25, 0x16, 0x7E, 0xCD, 0x91, 0x55, 0x41, 0x6F, 0x46,

  249.     0xF4, 0x08, 0xED, 0x31, 0xB6, 0x3C, 0x6E, 0x6D};

  250. static const uint8_t kDHTest2048_224_xA[] = {

  251.     0x22, 0xE6, 0x26, 0x01, 0xDB, 0xFF, 0xD0, 0x67, 0x08, 0xA6,

  252.     0x80, 0xF7, 0x47, 0xF3, 0x61, 0xF7, 0x6D, 0x8F, 0x4F, 0x72,

  253.     0x1A, 0x05, 0x48, 0xE4, 0x83, 0x29, 0x4B, 0x0C};

  254. static const uint8_t kDHTest2048_224_yA[] = {

  255.     0x1B, 0x3A, 0x63, 0x45, 0x1B, 0xD8, 0x86, 0xE6, 0x99, 0xE6, 0x7B, 0x49,

  256.     0x4E, 0x28, 0x8B, 0xD7, 0xF8, 0xE0, 0xD3, 0x70, 0xBA, 0xDD, 0xA7, 0xA0,

  257.     0xEF, 0xD2, 0xFD, 0xE7, 0xD8, 0xF6, 0x61, 0x45, 0xCC, 0x9F, 0x28, 0x04,

  258.     0x19, 0x97, 0x5E, 0xB8, 0x08, 0x87, 0x7C, 0x8A, 0x4C, 0x0C, 0x8E, 0x0B,

  259.     0xD4, 0x8D, 0x4A, 0x54, 0x01, 0xEB, 0x1E, 0x87, 0x76, 0xBF, 0xEE, 0xE1,

  260.     0x34, 0xC0, 0x38, 0x31, 0xAC, 0x27, 0x3C, 0xD9, 0xD6, 0x35, 0xAB, 0x0C,

  261.     0xE0, 0x06, 0xA4, 0x2A, 0x88, 0x7E, 0x3F, 0x52, 0xFB, 0x87, 0x66, 0xB6,

  262.     0x50, 0xF3, 0x80, 0x78, 0xBC, 0x8E, 0xE8, 0x58, 0x0C, 0xEF, 0xE2, 0x43,

  263.     0x96, 0x8C, 0xFC, 0x4F, 0x8D, 0xC3, 0xDB, 0x08, 0x45, 0x54, 0x17, 0x1D,

  264.     0x41, 0xBF, 0x2E, 0x86, 0x1B, 0x7B, 0xB4, 0xD6, 0x9D, 0xD0, 0xE0, 0x1E,

  265.     0xA3, 0x87, 0xCB, 0xAA, 0x5C, 0xA6, 0x72, 0xAF, 0xCB, 0xE8, 0xBD, 0xB9,

  266.     0xD6, 0x2D, 0x4C, 0xE1, 0x5F, 0x17, 0xDD, 0x36, 0xF9, 0x1E, 0xD1, 0xEE,

  267.     0xDD, 0x65, 0xCA, 0x4A, 0x06, 0x45, 0x5C, 0xB9, 0x4C, 0xD4, 0x0A, 0x52,

  268.     0xEC, 0x36, 0x0E, 0x84, 0xB3, 0xC9, 0x26, 0xE2, 0x2C, 0x43, 0x80, 0xA3,

  269.     0xBF, 0x30, 0x9D, 0x56, 0x84, 0x97, 0x68, 0xB7, 0xF5, 0x2C, 0xFD, 0xF6,

  270.     0x55, 0xFD, 0x05, 0x3A, 0x7E, 0xF7, 0x06, 0x97, 0x9E, 0x7E, 0x58, 0x06,

  271.     0xB1, 0x7D, 0xFA, 0xE5, 0x3A, 0xD2, 0xA5, 0xBC, 0x56, 0x8E, 0xBB, 0x52,

  272.     0x9A, 0x7A, 0x61, 0xD6, 0x8D, 0x25, 0x6F, 0x8F, 0xC9, 0x7C, 0x07, 0x4A,

  273.     0x86, 0x1D, 0x82, 0x7E, 0x2E, 0xBC, 0x8C, 0x61, 0x34, 0x55, 0x31, 0x15,

  274.     0xB7, 0x0E, 0x71, 0x03, 0x92, 0x0A, 0xA1, 0x6D, 0x85, 0xE5, 0x2B, 0xCB,

  275.     0xAB, 0x8D, 0x78, 0x6A, 0x68, 0x17, 0x8F, 0xA8, 0xFF, 0x7C, 0x2F, 0x5C,

  276.     0x71, 0x64, 0x8D, 0x6F};

  277. static const uint8_t kDHTest2048_224_xB[] = {

  278.     0x4F, 0xF3, 0xBC, 0x96, 0xC7, 0xFC, 0x6A, 0x6D, 0x71, 0xD3,

  279.     0xB3, 0x63, 0x80, 0x0A, 0x7C, 0xDF, 0xEF, 0x6F, 0xC4, 0x1B,

  280.     0x44, 0x17, 0xEA, 0x15, 0x35, 0x3B, 0x75, 0x90};

  281. static const uint8_t kDHTest2048_224_yB[] = {

  282.     0x4D, 0xCE, 0xE9, 0x92, 0xA9, 0x76, 0x2A, 0x13, 0xF2, 0xF8, 0x38, 0x44,

  283.     0xAD, 0x3D, 0x77, 0xEE, 0x0E, 0x31, 0xC9, 0x71, 0x8B, 0x3D, 0xB6, 0xC2,

  284.     0x03, 0x5D, 0x39, 0x61, 0x18, 0x2C, 0x3E, 0x0B, 0xA2, 0x47, 0xEC, 0x41,

  285.     0x82, 0xD7, 0x60, 0xCD, 0x48, 0xD9, 0x95, 0x99, 0x97, 0x06, 0x22, 0xA1,

  286.     0x88, 0x1B, 0xBA, 0x2D, 0xC8, 0x22, 0x93, 0x9C, 0x78, 0xC3, 0x91, 0x2C,

  287.     0x66, 0x61, 0xFA, 0x54, 0x38, 0xB2, 0x07, 0x66, 0x22, 0x2B, 0x75, 0xE2,

  288.     0x4C, 0x2E, 0x3A, 0xD0, 0xC7, 0x28, 0x72, 0x36, 0x12, 0x95, 0x25, 0xEE,

  289.     0x15, 0xB5, 0xDD, 0x79, 0x98, 0xAA, 0x04, 0xC4, 0xA9, 0x69, 0x6C, 0xAC,

  290.     0xD7, 0x17, 0x20, 0x83, 0xA9, 0x7A, 0x81, 0x66, 0x4E, 0xAD, 0x2C, 0x47,

  291.     0x9E, 0x44, 0x4E, 0x4C, 0x06, 0x54, 0xCC, 0x19, 0xE2, 0x8D, 0x77, 0x03,

  292.     0xCE, 0xE8, 0xDA, 0xCD, 0x61, 0x26, 0xF5, 0xD6, 0x65, 0xEC, 0x52, 0xC6,

  293.     0x72, 0x55, 0xDB, 0x92, 0x01, 0x4B, 0x03, 0x7E, 0xB6, 0x21, 0xA2, 0xAC,

  294.     0x8E, 0x36, 0x5D, 0xE0, 0x71, 0xFF, 0xC1, 0x40, 0x0A, 0xCF, 0x07, 0x7A,

  295.     0x12, 0x91, 0x3D, 0xD8, 0xDE, 0x89, 0x47, 0x34, 0x37, 0xAB, 0x7B, 0xA3,

  296.     0x46, 0x74, 0x3C, 0x1B, 0x21, 0x5D, 0xD9, 0xC1, 0x21, 0x64, 0xA7, 0xE4,

  297.     0x05, 0x31, 0x18, 0xD1, 0x99, 0xBE, 0xC8, 0xEF, 0x6F, 0xC5, 0x61, 0x17,

  298.     0x0C, 0x84, 0xC8, 0x7D, 0x10, 0xEE, 0x9A, 0x67, 0x4A, 0x1F, 0xA8, 0xFF,

  299.     0xE1, 0x3B, 0xDF, 0xBA, 0x1D, 0x44, 0xDE, 0x48, 0x94, 0x6D, 0x68, 0xDC,

  300.     0x0C, 0xDD, 0x77, 0x76, 0x35, 0xA7, 0xAB, 0x5B, 0xFB, 0x1E, 0x4B, 0xB7,

  301.     0xB8, 0x56, 0xF9, 0x68, 0x27, 0x73, 0x4C, 0x18, 0x41, 0x38, 0xE9, 0x15,

  302.     0xD9, 0xC3, 0x00, 0x2E, 0xBC, 0xE5, 0x31, 0x20, 0x54, 0x6A, 0x7E, 0x20,

  303.     0x02, 0x14, 0x2B, 0x6C};

  304. static const uint8_t kDHTest2048_224_Z[] = {

  305.     0x34, 0xD9, 0xBD, 0xDC, 0x1B, 0x42, 0x17, 0x6C, 0x31, 0x3F, 0xEA, 0x03,

  306.     0x4C, 0x21, 0x03, 0x4D, 0x07, 0x4A, 0x63, 0x13, 0xBB, 0x4E, 0xCD, 0xB3,

  307.     0x70, 0x3F, 0xFF, 0x42, 0x45, 0x67, 0xA4, 0x6B, 0xDF, 0x75, 0x53, 0x0E,

  308.     0xDE, 0x0A, 0x9D, 0xA5, 0x22, 0x9D, 0xE7, 0xD7, 0x67, 0x32, 0x28, 0x6C,

  309.     0xBC, 0x0F, 0x91, 0xDA, 0x4C, 0x3C, 0x85, 0x2F, 0xC0, 0x99, 0xC6, 0x79,

  310.     0x53, 0x1D, 0x94, 0xC7, 0x8A, 0xB0, 0x3D, 0x9D, 0xEC, 0xB0, 0xA4, 0xE4,

  311.     0xCA, 0x8B, 0x2B, 0xB4, 0x59, 0x1C, 0x40, 0x21, 0xCF, 0x8C, 0xE3, 0xA2,

  312.     0x0A, 0x54, 0x1D, 0x33, 0x99, 0x40, 0x17, 0xD0, 0x20, 0x0A, 0xE2, 0xC9,

  313.     0x51, 0x6E, 0x2F, 0xF5, 0x14, 0x57, 0x79, 0x26, 0x9E, 0x86, 0x2B, 0x0F,

  314.     0xB4, 0x74, 0xA2, 0xD5, 0x6D, 0xC3, 0x1E, 0xD5, 0x69, 0xA7, 0x70, 0x0B,

  315.     0x4C, 0x4A, 0xB1, 0x6B, 0x22, 0xA4, 0x55, 0x13, 0x53, 0x1E, 0xF5, 0x23,

  316.     0xD7, 0x12, 0x12, 0x07, 0x7B, 0x5A, 0x16, 0x9B, 0xDE, 0xFF, 0xAD, 0x7A,

  317.     0xD9, 0x60, 0x82, 0x84, 0xC7, 0x79, 0x5B, 0x6D, 0x5A, 0x51, 0x83, 0xB8,

  318.     0x70, 0x66, 0xDE, 0x17, 0xD8, 0xD6, 0x71, 0xC9, 0xEB, 0xD8, 0xEC, 0x89,

  319.     0x54, 0x4D, 0x45, 0xEC, 0x06, 0x15, 0x93, 0xD4, 0x42, 0xC6, 0x2A, 0xB9,

  320.     0xCE, 0x3B, 0x1C, 0xB9, 0x94, 0x3A, 0x1D, 0x23, 0xA5, 0xEA, 0x3B, 0xCF,

  321.     0x21, 0xA0, 0x14, 0x71, 0xE6, 0x7E, 0x00, 0x3E, 0x7F, 0x8A, 0x69, 0xC7,

  322.     0x28, 0xBE, 0x49, 0x0B, 0x2F, 0xC8, 0x8C, 0xFE, 0xB9, 0x2D, 0xB6, 0xA2,

  323.     0x15, 0xE5, 0xD0, 0x3C, 0x17, 0xC4, 0x64, 0xC9, 0xAC, 0x1A, 0x46, 0xE2,

  324.     0x03, 0xE1, 0x3F, 0x95, 0x29, 0x95, 0xFB, 0x03, 0xC6, 0x9D, 0x3C, 0xC4,

  325.     0x7F, 0xCB, 0x51, 0x0B, 0x69, 0x98, 0xFF, 0xD3, 0xAA, 0x6D, 0xE7, 0x3C,

  326.     0xF9, 0xF6, 0x38, 0x69};

  327. static const uint8_t kDHTest2048_256_xA[] = {

  328.     0x08, 0x81, 0x38, 0x2C, 0xDB, 0x87, 0x66, 0x0C, 0x6D, 0xC1, 0x3E,

  329.     0x61, 0x49, 0x38, 0xD5, 0xB9, 0xC8, 0xB2, 0xF2, 0x48, 0x58, 0x1C,

  330.     0xC5, 0xE3, 0x1B, 0x35, 0x45, 0x43, 0x97, 0xFC, 0xE5, 0x0E};

  331. static const uint8_t kDHTest2048_256_yA[] = {

  332.     0x2E, 0x93, 0x80, 0xC8, 0x32, 0x3A, 0xF9, 0x75, 0x45, 0xBC, 0x49, 0x41,

  333.     0xDE, 0xB0, 0xEC, 0x37, 0x42, 0xC6, 0x2F, 0xE0, 0xEC, 0xE8, 0x24, 0xA6,

  334.     0xAB, 0xDB, 0xE6, 0x6C, 0x59, 0xBE, 0xE0, 0x24, 0x29, 0x11, 0xBF, 0xB9,

  335.     0x67, 0x23, 0x5C, 0xEB, 0xA3, 0x5A, 0xE1, 0x3E, 0x4E, 0xC7, 0x52, 0xBE,

  336.     0x63, 0x0B, 0x92, 0xDC, 0x4B, 0xDE, 0x28, 0x47, 0xA9, 0xC6, 0x2C, 0xB8,

  337.     0x15, 0x27, 0x45, 0x42, 0x1F, 0xB7, 0xEB, 0x60, 0xA6, 0x3C, 0x0F, 0xE9,

  338.     0x15, 0x9F, 0xCC, 0xE7, 0x26, 0xCE, 0x7C, 0xD8, 0x52, 0x3D, 0x74, 0x50,

  339.     0x66, 0x7E, 0xF8, 0x40, 0xE4, 0x91, 0x91, 0x21, 0xEB, 0x5F, 0x01, 0xC8,

  340.     0xC9, 0xB0, 0xD3, 0xD6, 0x48, 0xA9, 0x3B, 0xFB, 0x75, 0x68, 0x9E, 0x82,

  341.     0x44, 0xAC, 0x13, 0x4A, 0xF5, 0x44, 0x71, 0x1C, 0xE7, 0x9A, 0x02, 0xDC,

  342.     0xC3, 0x42, 0x26, 0x68, 0x47, 0x80, 0xDD, 0xDC, 0xB4, 0x98, 0x59, 0x41,

  343.     0x06, 0xC3, 0x7F, 0x5B, 0xC7, 0x98, 0x56, 0x48, 0x7A, 0xF5, 0xAB, 0x02,

  344.     0x2A, 0x2E, 0x5E, 0x42, 0xF0, 0x98, 0x97, 0xC1, 0xA8, 0x5A, 0x11, 0xEA,

  345.     0x02, 0x12, 0xAF, 0x04, 0xD9, 0xB4, 0xCE, 0xBC, 0x93, 0x7C, 0x3C, 0x1A,

  346.     0x3E, 0x15, 0xA8, 0xA0, 0x34, 0x2E, 0x33, 0x76, 0x15, 0xC8, 0x4E, 0x7F,

  347.     0xE3, 0xB8, 0xB9, 0xB8, 0x7F, 0xB1, 0xE7, 0x3A, 0x15, 0xAF, 0x12, 0xA3,

  348.     0x0D, 0x74, 0x6E, 0x06, 0xDF, 0xC3, 0x4F, 0x29, 0x0D, 0x79, 0x7C, 0xE5,

  349.     0x1A, 0xA1, 0x3A, 0xA7, 0x85, 0xBF, 0x66, 0x58, 0xAF, 0xF5, 0xE4, 0xB0,

  350.     0x93, 0x00, 0x3C, 0xBE, 0xAF, 0x66, 0x5B, 0x3C, 0x2E, 0x11, 0x3A, 0x3A,

  351.     0x4E, 0x90, 0x52, 0x69, 0x34, 0x1D, 0xC0, 0x71, 0x14, 0x26, 0x68, 0x5F,

  352.     0x4E, 0xF3, 0x7E, 0x86, 0x8A, 0x81, 0x26, 0xFF, 0x3F, 0x22, 0x79, 0xB5,

  353.     0x7C, 0xA6, 0x7E, 0x29};

  354. static const uint8_t kDHTest2048_256_xB[] = {

  355.     0x7D, 0x62, 0xA7, 0xE3, 0xEF, 0x36, 0xDE, 0x61, 0x7B, 0x13, 0xD1,

  356.     0xAF, 0xB8, 0x2C, 0x78, 0x0D, 0x83, 0xA2, 0x3B, 0xD4, 0xEE, 0x67,

  357.     0x05, 0x64, 0x51, 0x21, 0xF3, 0x71, 0xF5, 0x46, 0xA5, 0x3D};

  358. static const uint8_t kDHTest2048_256_yB[] = {

  359.     0x57, 0x5F, 0x03, 0x51, 0xBD, 0x2B, 0x1B, 0x81, 0x74, 0x48, 0xBD, 0xF8,

  360.     0x7A, 0x6C, 0x36, 0x2C, 0x1E, 0x28, 0x9D, 0x39, 0x03, 0xA3, 0x0B, 0x98,

  361.     0x32, 0xC5, 0x74, 0x1F, 0xA2, 0x50, 0x36, 0x3E, 0x7A, 0xCB, 0xC7, 0xF7,

  362.     0x7F, 0x3D, 0xAC, 0xBC, 0x1F, 0x13, 0x1A, 0xDD, 0x8E, 0x03, 0x36, 0x7E,

  363.     0xFF, 0x8F, 0xBB, 0xB3, 0xE1, 0xC5, 0x78, 0x44, 0x24, 0x80, 0x9B, 0x25,

  364.     0xAF, 0xE4, 0xD2, 0x26, 0x2A, 0x1A, 0x6F, 0xD2, 0xFA, 0xB6, 0x41, 0x05,

  365.     0xCA, 0x30, 0xA6, 0x74, 0xE0, 0x7F, 0x78, 0x09, 0x85, 0x20, 0x88, 0x63,

  366.     0x2F, 0xC0, 0x49, 0x23, 0x37, 0x91, 0xAD, 0x4E, 0xDD, 0x08, 0x3A, 0x97,

  367.     0x8B, 0x88, 0x3E, 0xE6, 0x18, 0xBC, 0x5E, 0x0D, 0xD0, 0x47, 0x41, 0x5F,

  368.     0x2D, 0x95, 0xE6, 0x83, 0xCF, 0x14, 0x82, 0x6B, 0x5F, 0xBE, 0x10, 0xD3,

  369.     0xCE, 0x41, 0xC6, 0xC1, 0x20, 0xC7, 0x8A, 0xB2, 0x00, 0x08, 0xC6, 0x98,

  370.     0xBF, 0x7F, 0x0B, 0xCA, 0xB9, 0xD7, 0xF4, 0x07, 0xBE, 0xD0, 0xF4, 0x3A,

  371.     0xFB, 0x29, 0x70, 0xF5, 0x7F, 0x8D, 0x12, 0x04, 0x39, 0x63, 0xE6, 0x6D,

  372.     0xDD, 0x32, 0x0D, 0x59, 0x9A, 0xD9, 0x93, 0x6C, 0x8F, 0x44, 0x13, 0x7C,

  373.     0x08, 0xB1, 0x80, 0xEC, 0x5E, 0x98, 0x5C, 0xEB, 0xE1, 0x86, 0xF3, 0xD5,

  374.     0x49, 0x67, 0x7E, 0x80, 0x60, 0x73, 0x31, 0xEE, 0x17, 0xAF, 0x33, 0x80,

  375.     0xA7, 0x25, 0xB0, 0x78, 0x23, 0x17, 0xD7, 0xDD, 0x43, 0xF5, 0x9D, 0x7A,

  376.     0xF9, 0x56, 0x8A, 0x9B, 0xB6, 0x3A, 0x84, 0xD3, 0x65, 0xF9, 0x22, 0x44,

  377.     0xED, 0x12, 0x09, 0x88, 0x21, 0x93, 0x02, 0xF4, 0x29, 0x24, 0xC7, 0xCA,

  378.     0x90, 0xB8, 0x9D, 0x24, 0xF7, 0x1B, 0x0A, 0xB6, 0x97, 0x82, 0x3D, 0x7D,

  379.     0xEB, 0x1A, 0xFF, 0x5B, 0x0E, 0x8E, 0x4A, 0x45, 0xD4, 0x9F, 0x7F, 0x53,

  380.     0x75, 0x7E, 0x19, 0x13};

  381. static const uint8_t kDHTest2048_256_Z[] = {

  382.     0x86, 0xC7, 0x0B, 0xF8, 0xD0, 0xBB, 0x81, 0xBB, 0x01, 0x07, 0x8A, 0x17,

  383.     0x21, 0x9C, 0xB7, 0xD2, 0x72, 0x03, 0xDB, 0x2A, 0x19, 0xC8, 0x77, 0xF1,

  384.     0xD1, 0xF1, 0x9F, 0xD7, 0xD7, 0x7E, 0xF2, 0x25, 0x46, 0xA6, 0x8F, 0x00,

  385.     0x5A, 0xD5, 0x2D, 0xC8, 0x45, 0x53, 0xB7, 0x8F, 0xC6, 0x03, 0x30, 0xBE,

  386.     0x51, 0xEA, 0x7C, 0x06, 0x72, 0xCA, 0xC1, 0x51, 0x5E, 0x4B, 0x35, 0xC0,

  387.     0x47, 0xB9, 0xA5, 0x51, 0xB8, 0x8F, 0x39, 0xDC, 0x26, 0xDA, 0x14, 0xA0,

  388.     0x9E, 0xF7, 0x47, 0x74, 0xD4, 0x7C, 0x76, 0x2D, 0xD1, 0x77, 0xF9, 0xED,

  389.     0x5B, 0xC2, 0xF1, 0x1E, 0x52, 0xC8, 0x79, 0xBD, 0x95, 0x09, 0x85, 0x04,

  390.     0xCD, 0x9E, 0xEC, 0xD8, 0xA8, 0xF9, 0xB3, 0xEF, 0xBD, 0x1F, 0x00, 0x8A,

  391.     0xC5, 0x85, 0x30, 0x97, 0xD9, 0xD1, 0x83, 0x7F, 0x2B, 0x18, 0xF7, 0x7C,

  392.     0xD7, 0xBE, 0x01, 0xAF, 0x80, 0xA7, 0xC7, 0xB5, 0xEA, 0x3C, 0xA5, 0x4C,

  393.     0xC0, 0x2D, 0x0C, 0x11, 0x6F, 0xEE, 0x3F, 0x95, 0xBB, 0x87, 0x39, 0x93,

  394.     0x85, 0x87, 0x5D, 0x7E, 0x86, 0x74, 0x7E, 0x67, 0x6E, 0x72, 0x89, 0x38,

  395.     0xAC, 0xBF, 0xF7, 0x09, 0x8E, 0x05, 0xBE, 0x4D, 0xCF, 0xB2, 0x40, 0x52,

  396.     0xB8, 0x3A, 0xEF, 0xFB, 0x14, 0x78, 0x3F, 0x02, 0x9A, 0xDB, 0xDE, 0x7F,

  397.     0x53, 0xFA, 0xE9, 0x20, 0x84, 0x22, 0x40, 0x90, 0xE0, 0x07, 0xCE, 0xE9,

  398.     0x4D, 0x4B, 0xF2, 0xBA, 0xCE, 0x9F, 0xFD, 0x4B, 0x57, 0xD2, 0xAF, 0x7C,

  399.     0x72, 0x4D, 0x0C, 0xAA, 0x19, 0xBF, 0x05, 0x01, 0xF6, 0xF1, 0x7B, 0x4A,

  400.     0xA1, 0x0F, 0x42, 0x5E, 0x3E, 0xA7, 0x60, 0x80, 0xB4, 0xB9, 0xD6, 0xB3,

  401.     0xCE, 0xFE, 0xA1, 0x15, 0xB2, 0xCE, 0xB8, 0x78, 0x9B, 0xB8, 0xA3, 0xB0,

  402.     0xEA, 0x87, 0xFE, 0xBE, 0x63, 0xB6, 0xC8, 0xF8, 0x46, 0xEC, 0x6D, 0xB0,

  403.     0xC2, 0x6C, 0x5D, 0x7C};

  404. 

  405. struct RFC5114TestData {

  406.   DH *(*get_param)(const ENGINE *engine);

  407.   const uint8_t *xA;

  408.   size_t xA_len;

  409.   const uint8_t *yA;

  410.   size_t yA_len;

  411.   const uint8_t *xB;

  412.   size_t xB_len;

  413.   const uint8_t *yB;

  414.   size_t yB_len;

  415.   const uint8_t *Z;

  416.   size_t Z_len;

  417. };

  418. 

  419. #define MAKE_RFC5114_TEST_DATA(pre)                                           \

  420.   {                                                                           \

  421.     DH_get_##pre, kDHTest##pre##_xA, sizeof(kDHTest##pre##_xA),               \

  422.         kDHTest##pre##_yA, sizeof(kDHTest##pre##_yA), kDHTest##pre##_xB,      \

  423.         sizeof(kDHTest##pre##_xB), kDHTest##pre##_yB,                         \

  424.         sizeof(kDHTest##pre##_yB), kDHTest##pre##_Z, sizeof(kDHTest##pre##_Z) \

  425.   }

  426. 

  427. static const RFC5114TestData kRFCTestData[] = {

  428.     MAKE_RFC5114_TEST_DATA(1024_160),

  429.     MAKE_RFC5114_TEST_DATA(2048_224),

  430.     MAKE_RFC5114_TEST_DATA(2048_256),

  431.  };

  432. 

  433. static bool RunRFC5114Tests() {

  434.   for (unsigned i = 0; i < sizeof(kRFCTestData) / sizeof(RFC5114TestData); i++) {

  435.     const RFC5114TestData *td = kRFCTestData + i;

  436.     /* Set up DH structures setting key components */

  437.     bssl::UniquePtr<DH> dhA(td->get_param(nullptr));

  438.     bssl::UniquePtr<DH> dhB(td->get_param(nullptr));

  439.     if (!dhA || !dhB) {

  440.       fprintf(stderr, "Initialisation error RFC5114 set %u\n", i + 1);

  441.       return false;

  442.     }

  443. 

  444.     dhA->priv_key = BN_bin2bn(td->xA, td->xA_len, nullptr);

  445.     dhA->pub_key = BN_bin2bn(td->yA, td->yA_len, nullptr);

  446. 

  447.     dhB->priv_key = BN_bin2bn(td->xB, td->xB_len, nullptr);

  448.     dhB->pub_key = BN_bin2bn(td->yB, td->yB_len, nullptr);

  449. 

  450.     if (!dhA->priv_key || !dhA->pub_key || !dhB->priv_key || !dhB->pub_key) {

  451.       fprintf(stderr, "BN_bin2bn error RFC5114 set %u\n", i + 1);

  452.       return false;

  453.     }

  454. 

  455.     if ((td->Z_len != (size_t)DH_size(dhA.get())) ||

  456.         (td->Z_len != (size_t)DH_size(dhB.get()))) {

  457.       return false;

  458.     }

  459. 

  460.     std::vector<uint8_t> Z1(DH_size(dhA.get()));

  461.     std::vector<uint8_t> Z2(DH_size(dhB.get()));

  462.     /* Work out shared secrets using both sides and compare

  463.      * with expected values. */

  464.     int ret1 = DH_compute_key(Z1.data(), dhB->pub_key, dhA.get());

  465.     int ret2 = DH_compute_key(Z2.data(), dhA->pub_key, dhB.get());

  466.     if (ret1 < 0 || ret2 < 0) {

  467.       fprintf(stderr, "DH_compute_key error RFC5114 set %u\n", i + 1);

  468.       return false;

  469.     }

  470. 

  471.     if (static_cast<size_t>(ret1) != td->Z_len ||

  472.         OPENSSL_memcmp(Z1.data(), td->Z, td->Z_len) != 0 ||

  473.         static_cast<size_t>(ret2) != td->Z_len ||

  474.         OPENSSL_memcmp(Z2.data(), td->Z, td->Z_len) != 0) {

  475.       fprintf(stderr, "Test failed RFC5114 set %u\n", i + 1);

  476.       return false;

  477.     }

  478. 

  479.     printf("RFC5114 parameter test %u OK\n", i + 1);

  480.   }

  481. 

  482.   return 1;

  483. }

  484. 

  485. // kRFC5114_2048_224BadY is a bad y-coordinate for RFC 5114's 2048-bit MODP

  486. // Group with 224-bit Prime Order Subgroup (section 2.2).

  487. static const uint8_t kRFC5114_2048_224BadY[] = {

  488.     0x45, 0x32, 0x5f, 0x51, 0x07, 0xe5, 0xdf, 0x1c, 0xd6, 0x02, 0x82, 0xb3,

  489.     0x32, 0x8f, 0xa4, 0x0f, 0x87, 0xb8, 0x41, 0xfe, 0xb9, 0x35, 0xde, 0xad,

  490.     0xc6, 0x26, 0x85, 0xb4, 0xff, 0x94, 0x8c, 0x12, 0x4c, 0xbf, 0x5b, 0x20,

  491.     0xc4, 0x46, 0xa3, 0x26, 0xeb, 0xa4, 0x25, 0xb7, 0x68, 0x8e, 0xcc, 0x67,

  492.     0xba, 0xea, 0x58, 0xd0, 0xf2, 0xe9, 0xd2, 0x24, 0x72, 0x60, 0xda, 0x88,

  493.     0x18, 0x9c, 0xe0, 0x31, 0x6a, 0xad, 0x50, 0x6d, 0x94, 0x35, 0x8b, 0x83,

  494.     0x4a, 0x6e, 0xfa, 0x48, 0x73, 0x0f, 0x83, 0x87, 0xff, 0x6b, 0x66, 0x1f,

  495.     0xa8, 0x82, 0xc6, 0x01, 0xe5, 0x80, 0xb5, 0xb0, 0x52, 0xd0, 0xe9, 0xd8,

  496.     0x72, 0xf9, 0x7d, 0x5b, 0x8b, 0xa5, 0x4c, 0xa5, 0x25, 0x95, 0x74, 0xe2,

  497.     0x7a, 0x61, 0x4e, 0xa7, 0x8f, 0x12, 0xe2, 0xd2, 0x9d, 0x8c, 0x02, 0x70,

  498.     0x34, 0x44, 0x32, 0xc7, 0xb2, 0xf3, 0xb9, 0xfe, 0x17, 0x2b, 0xd6, 0x1f,

  499.     0x8b, 0x7e, 0x4a, 0xfa, 0xa3, 0xb5, 0x3e, 0x7a, 0x81, 0x9a, 0x33, 0x66,

  500.     0x62, 0xa4, 0x50, 0x18, 0x3e, 0xa2, 0x5f, 0x00, 0x07, 0xd8, 0x9b, 0x22,

  501.     0xe4, 0xec, 0x84, 0xd5, 0xeb, 0x5a, 0xf3, 0x2a, 0x31, 0x23, 0xd8, 0x44,

  502.     0x22, 0x2a, 0x8b, 0x37, 0x44, 0xcc, 0xc6, 0x87, 0x4b, 0xbe, 0x50, 0x9d,

  503.     0x4a, 0xc4, 0x8e, 0x45, 0xcf, 0x72, 0x4d, 0xc0, 0x89, 0xb3, 0x72, 0xed,

  504.     0x33, 0x2c, 0xbc, 0x7f, 0x16, 0x39, 0x3b, 0xeb, 0xd2, 0xdd, 0xa8, 0x01,

  505.     0x73, 0x84, 0x62, 0xb9, 0x29, 0xd2, 0xc9, 0x51, 0x32, 0x9e, 0x7a, 0x6a,

  506.     0xcf, 0xc1, 0x0a, 0xdb, 0x0e, 0xe0, 0x62, 0x77, 0x6f, 0x59, 0x62, 0x72,

  507.     0x5a, 0x69, 0xa6, 0x5b, 0x70, 0xca, 0x65, 0xc4, 0x95, 0x6f, 0x9a, 0xc2,

  508.     0xdf, 0x72, 0x6d, 0xb1, 0x1e, 0x54, 0x7b, 0x51, 0xb4, 0xef, 0x7f, 0x89,

  509.     0x93, 0x74, 0x89, 0x59,

  510. };

  511. 

  512. static bool TestBadY() {

  513.   bssl::UniquePtr<DH> dh(DH_get_2048_224(nullptr));

  514.   bssl::UniquePtr<BIGNUM> pub_key(

  515.       BN_bin2bn(kRFC5114_2048_224BadY, sizeof(kRFC5114_2048_224BadY), nullptr));

  516.   if (!dh || !pub_key || !DH_generate_key(dh.get())) {

  517.     return false;

  518.   }

  519. 

  520.   int flags;

  521.   if (!DH_check_pub_key(dh.get(), pub_key.get(), &flags)) {

  522.     return false;

  523.   }

  524.   if (!(flags & DH_CHECK_PUBKEY_INVALID)) {

  525.     fprintf(stderr, "DH_check_pub_key did not reject the key.\n");

  526.     return false;

  527.   }

  528. 

  529.   std::vector<uint8_t> result(DH_size(dh.get()));

  530.   if (DH_compute_key(result.data(), pub_key.get(), dh.get()) >= 0) {

  531.     fprintf(stderr, "DH_compute_key unexpectedly succeeded.\n");

  532.     return false;

  533.   }

  534.   ERR_clear_error();

  535. 

  536.   return true;

  537. }

  538. 

  539. static bool BIGNUMEqualsHex(const BIGNUM *bn, const char *hex) {

  540.   BIGNUM *hex_bn = NULL;

  541.   if (!BN_hex2bn(&hex_bn, hex)) {

  542.     return false;

  543.   }

  544.   bssl::UniquePtr<BIGNUM> free_hex_bn(hex_bn);

  545.   return BN_cmp(bn, hex_bn) == 0;

  546. }

  547. 

  548. static bool TestASN1() {

  549.   // kParams are a set of Diffie-Hellman parameters generated with

  550.   // openssl dhparam 256

  551.   static const uint8_t kParams[] = {

  552.       0x30, 0x26, 0x02, 0x21, 0x00, 0xd7, 0x20, 0x34, 0xa3, 0x27,

  553.       0x4f, 0xdf, 0xbf, 0x04, 0xfd, 0x24, 0x68, 0x25, 0xb6, 0x56,

  554.       0xd8, 0xab, 0x2a, 0x41, 0x2d, 0x74, 0x0a, 0x52, 0x08, 0x7c,

  555.       0x40, 0x71, 0x4e, 0xd2, 0x57, 0x93, 0x13, 0x02, 0x01, 0x02,

  556.   };

  557. 

  558.   CBS cbs;

  559.   CBS_init(&cbs, kParams, sizeof(kParams));

  560.   bssl::UniquePtr<DH> dh(DH_parse_parameters(&cbs));

  561.   if (!dh || CBS_len(&cbs) != 0 ||

  562.       !BIGNUMEqualsHex(

  563.           dh->p,

  564.           "d72034a3274fdfbf04fd246825b656d8ab2a412d740a52087c40714ed2579313") ||

  565.       !BIGNUMEqualsHex(dh->g, "2") || dh->priv_length != 0) {

  566.     return false;

  567.   }

  568. 

  569.   bssl::ScopedCBB cbb;

  570.   uint8_t *der;

  571.   size_t der_len;

  572.   if (!CBB_init(cbb.get(), 0) ||

  573.       !DH_marshal_parameters(cbb.get(), dh.get()) ||

  574.       !CBB_finish(cbb.get(), &der, &der_len)) {

  575.     return false;

  576.   }

  577.   bssl::UniquePtr<uint8_t> free_der(der);

  578.   if (der_len != sizeof(kParams) ||

  579.       OPENSSL_memcmp(der, kParams, der_len) != 0) {

  580.     return false;

  581.   }

  582. 

  583.   // kParamsDSA are a set of Diffie-Hellman parameters generated with

  584.   // openssl dhparam 256 -dsaparam

  585.   static const uint8_t kParamsDSA[] = {

  586.       0x30, 0x81, 0x89, 0x02, 0x41, 0x00, 0x93, 0xf3, 0xc1, 0x18, 0x01, 0xe6,

  587.       0x62, 0xb6, 0xd1, 0x46, 0x9a, 0x2c, 0x72, 0xea, 0x31, 0xd9, 0x18, 0x10,

  588.       0x30, 0x28, 0x63, 0xe2, 0x34, 0x7d, 0x80, 0xca, 0xee, 0x82, 0x2b, 0x19,

  589.       0x3c, 0x19, 0xbb, 0x42, 0x83, 0x02, 0x70, 0xdd, 0xdb, 0x8c, 0x03, 0xab,

  590.       0xe9, 0x9c, 0xc4, 0x00, 0x4d, 0x70, 0x5f, 0x52, 0x03, 0x31, 0x2c, 0xa4,

  591.       0x67, 0x34, 0x51, 0x95, 0x2a, 0xac, 0x11, 0xe2, 0x6a, 0x55, 0x02, 0x40,

  592.       0x44, 0xc8, 0x10, 0x53, 0x44, 0x32, 0x31, 0x63, 0xd8, 0xd1, 0x8c, 0x75,

  593.       0xc8, 0x98, 0x53, 0x3b, 0x5b, 0x4a, 0x2a, 0x0a, 0x09, 0xe7, 0xd0, 0x3c,

  594.       0x53, 0x72, 0xa8, 0x6b, 0x70, 0x41, 0x9c, 0x26, 0x71, 0x44, 0xfc, 0x7f,

  595.       0x08, 0x75, 0xe1, 0x02, 0xab, 0x74, 0x41, 0xe8, 0x2a, 0x3d, 0x3c, 0x26,

  596.       0x33, 0x09, 0xe4, 0x8b, 0xb4, 0x41, 0xec, 0xa6, 0xa8, 0xba, 0x1a, 0x07,

  597.       0x8a, 0x77, 0xf5, 0x5f, 0x02, 0x02, 0x00, 0xa0,

  598.   };

  599. 

  600.   CBS_init(&cbs, kParamsDSA, sizeof(kParamsDSA));

  601.   dh.reset(DH_parse_parameters(&cbs));

  602.   if (!dh || CBS_len(&cbs) != 0 ||

  603.       !BIGNUMEqualsHex(dh->p,

  604.                        "93f3c11801e662b6d1469a2c72ea31d91810302863e2347d80caee8"

  605.                        "22b193c19bb42830270dddb8c03abe99cc4004d705f5203312ca467"

  606.                        "3451952aac11e26a55") ||

  607.       !BIGNUMEqualsHex(dh->g,

  608.                        "44c8105344323163d8d18c75c898533b5b4a2a0a09e7d03c5372a86"

  609.                        "b70419c267144fc7f0875e102ab7441e82a3d3c263309e48bb441ec"

  610.                        "a6a8ba1a078a77f55f") ||

  611.       dh->priv_length != 160) {

  612.     return false;

  613.   }

  614. 

  615.   if (!CBB_init(cbb.get(), 0) ||

  616.       !DH_marshal_parameters(cbb.get(), dh.get()) ||

  617.       !CBB_finish(cbb.get(), &der, &der_len)) {

  618.     return false;

  619.   }

  620.   bssl::UniquePtr<uint8_t> free_der2(der);

  621.   if (der_len != sizeof(kParamsDSA) ||

  622.       OPENSSL_memcmp(der, kParamsDSA, der_len) != 0) {

  623.     return false;

  624.   }

  625. 

  626.   return true;

  627. }

  628. 

  629. static bool TestRFC3526() {

  630.   bssl::UniquePtr<BIGNUM> bn(BN_get_rfc3526_prime_1536(nullptr));

  631.   if (!bn) {

  632.     return false;

  633.   }

  634. 

  635.   static const uint8_t kPrime1536[] = {

  636.       0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc9, 0x0f, 0xda, 0xa2,

  637.       0x21, 0x68, 0xc2, 0x34, 0xc4, 0xc6, 0x62, 0x8b, 0x80, 0xdc, 0x1c, 0xd1,

  638.       0x29, 0x02, 0x4e, 0x08, 0x8a, 0x67, 0xcc, 0x74, 0x02, 0x0b, 0xbe, 0xa6,

  639.       0x3b, 0x13, 0x9b, 0x22, 0x51, 0x4a, 0x08, 0x79, 0x8e, 0x34, 0x04, 0xdd,

  640.       0xef, 0x95, 0x19, 0xb3, 0xcd, 0x3a, 0x43, 0x1b, 0x30, 0x2b, 0x0a, 0x6d,

  641.       0xf2, 0x5f, 0x14, 0x37, 0x4f, 0xe1, 0x35, 0x6d, 0x6d, 0x51, 0xc2, 0x45,

  642.       0xe4, 0x85, 0xb5, 0x76, 0x62, 0x5e, 0x7e, 0xc6, 0xf4, 0x4c, 0x42, 0xe9,

  643.       0xa6, 0x37, 0xed, 0x6b, 0x0b, 0xff, 0x5c, 0xb6, 0xf4, 0x06, 0xb7, 0xed,

  644.       0xee, 0x38, 0x6b, 0xfb, 0x5a, 0x89, 0x9f, 0xa5, 0xae, 0x9f, 0x24, 0x11,

  645.       0x7c, 0x4b, 0x1f, 0xe6, 0x49, 0x28, 0x66, 0x51, 0xec, 0xe4, 0x5b, 0x3d,

  646.       0xc2, 0x00, 0x7c, 0xb8, 0xa1, 0x63, 0xbf, 0x05, 0x98, 0xda, 0x48, 0x36,

  647.       0x1c, 0x55, 0xd3, 0x9a, 0x69, 0x16, 0x3f, 0xa8, 0xfd, 0x24, 0xcf, 0x5f,

  648.       0x83, 0x65, 0x5d, 0x23, 0xdc, 0xa3, 0xad, 0x96, 0x1c, 0x62, 0xf3, 0x56,

  649.       0x20, 0x85, 0x52, 0xbb, 0x9e, 0xd5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6d,

  650.       0x67, 0x0c, 0x35, 0x4e, 0x4a, 0xbc, 0x98, 0x04, 0xf1, 0x74, 0x6c, 0x08,

  651.       0xca, 0x23, 0x73, 0x27, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,

  652.   };

  653. 

  654.   uint8_t buffer[sizeof(kPrime1536)];

  655.   if (BN_num_bytes(bn.get()) != sizeof(kPrime1536) ||

  656.       BN_bn2bin(bn.get(), buffer) != sizeof(kPrime1536) ||

  657.       OPENSSL_memcmp(buffer, kPrime1536, sizeof(kPrime1536)) != 0) {

  658.     fprintf(stderr, "1536-bit MODP prime did not match.\n");

  659.     return false;

  660.   }

  661. 

  662.   return true;

  663. }