/* * Copyright (C) 2013 Andreas Steffen * HSR 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 . * * 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 "test_suite.h" #include #include #include #include #include IMPORT_FUNCTION_FOR_TESTS(ntru, ntru_drbg_create, ntru_drbg_t*, u_int32_t strength, chunk_t pers_str, rng_t *entropy) IMPORT_FUNCTION_FOR_TESTS(ntru, ntru_mgf1_create, ntru_mgf1_t*, hash_algorithm_t alg, chunk_t seed, bool hash_seed) IMPORT_FUNCTION_FOR_TESTS(ntru, ntru_trits_create, ntru_trits_t*, size_t len, hash_algorithm_t alg, chunk_t seed) /** * NTRU parameter sets to test */ static struct { diffie_hellman_group_t group; char *group_name; } params[] = { { NTRU_112_BIT, "NTRU_112" }, { NTRU_128_BIT, "NTRU_128" }, { NTRU_192_BIT, "NTRU_192" }, { NTRU_256_BIT, "NTRU_256" } }; /** * NTRU parameter set selection */ char *parameter_sets[] = { "x9_98_speed", "x9_98_bandwidth", "x9_98_balance", "optimum" }; typedef struct { u_int32_t requested; u_int32_t standard; }strength_t; strength_t strengths[] = { { 80, 112 }, { 112, 112 }, { 120, 128 }, { 128, 128 }, { 150, 192 }, { 192, 192 }, { 200, 256 }, { 256, 256 }, { 512, 0 } }; START_TEST(test_ntru_drbg_strength) { ntru_drbg_t *drbg; rng_t *entropy; entropy = lib->crypto->create_rng(lib->crypto, RNG_STRONG); ck_assert(entropy != NULL); drbg = ntru_drbg_create(strengths[_i].requested, chunk_empty, entropy); if (strengths[_i].standard) { ck_assert(drbg != NULL); ck_assert(drbg->get_strength(drbg) == strengths[_i].standard); drbg->destroy(drbg); } else { ck_assert(drbg == NULL); } entropy->destroy(entropy); } END_TEST typedef struct { chunk_t pers_str; chunk_t entropy; chunk_t out; } drbg_test_t; /** * NIST SP 800-90A Deterministic Random Generator Validation System (DRBGVS) */ drbg_test_t drbg_tests[] = { /* SHA-256 test case 1 - count 0 */ { { NULL, 0 }, chunk_from_chars(0x06, 0x03, 0x2c, 0xd5, 0xee, 0xd3, 0x3f, 0x39, 0x26, 0x5f, 0x49, 0xec, 0xb1, 0x42, 0xc5, 0x11, 0xda, 0x9a, 0xff, 0x2a, 0xf7, 0x12, 0x03, 0xbf, 0xfa, 0xf3, 0x4a, 0x9c, 0xa5, 0xbd, 0x9c, 0x0d, 0x0e, 0x66, 0xf7, 0x1e, 0xdc, 0x43, 0xe4, 0x2a, 0x45, 0xad, 0x3c, 0x6f, 0xc6, 0xcd, 0xc4, 0xdf, 0x01, 0x92, 0x0a, 0x4e, 0x66, 0x9e, 0xd3, 0xa8, 0x5a, 0xe8, 0xa3, 0x3b, 0x35, 0xa7, 0x4a, 0xd7, 0xfb, 0x2a, 0x6b, 0xb4, 0xcf, 0x39, 0x5c, 0xe0, 0x03, 0x34, 0xa9, 0xc9, 0xa5, 0xa5, 0xd5, 0x52), chunk_from_chars(0x76, 0xfc, 0x79, 0xfe, 0x9b, 0x50, 0xbe, 0xcc, 0xc9, 0x91, 0xa1, 0x1b, 0x56, 0x35, 0x78, 0x3a, 0x83, 0x53, 0x6a, 0xdd, 0x03, 0xc1, 0x57, 0xfb, 0x30, 0x64, 0x5e, 0x61, 0x1c, 0x28, 0x98, 0xbb, 0x2b, 0x1b, 0xc2, 0x15, 0x00, 0x02, 0x09, 0x20, 0x8c, 0xd5, 0x06, 0xcb, 0x28, 0xda, 0x2a, 0x51, 0xbd, 0xb0, 0x38, 0x26, 0xaa, 0xf2, 0xbd, 0x23, 0x35, 0xd5, 0x76, 0xd5, 0x19, 0x16, 0x08, 0x42, 0xe7, 0x15, 0x8a, 0xd0, 0x94, 0x9d, 0x1a, 0x9e, 0xc3, 0xe6, 0x6e, 0xa1, 0xb1, 0xa0, 0x64, 0xb0, 0x05, 0xde, 0x91, 0x4e, 0xac, 0x2e, 0x9d, 0x4f, 0x2d, 0x72, 0xa8, 0x61, 0x6a, 0x80, 0x22, 0x54, 0x22, 0x91, 0x82, 0x50, 0xff, 0x66, 0xa4, 0x1b, 0xd2, 0xf8, 0x64, 0xa6, 0xa3, 0x8c, 0xc5, 0xb6, 0x49, 0x9d, 0xc4, 0x3f, 0x7f, 0x2b, 0xd0, 0x9e, 0x1e, 0x0f, 0x8f, 0x58, 0x85, 0x93, 0x51, 0x24) }, /* SHA-256 test case 3 - count 0 */ { chunk_from_chars(0xf2, 0xe5, 0x8f, 0xe6, 0x0a, 0x3a, 0xfc, 0x59, 0xda, 0xd3, 0x75, 0x95, 0x41, 0x5f, 0xfd, 0x31, 0x8c, 0xcf, 0x69, 0xd6, 0x77, 0x80, 0xf6, 0xfa, 0x07, 0x97, 0xdc, 0x9a, 0xa4, 0x3e, 0x14, 0x4c), chunk_from_chars(0xfa, 0x0e, 0xe1, 0xfe, 0x39, 0xc7, 0xc3, 0x90, 0xaa, 0x94, 0x15, 0x9d, 0x0d, 0xe9, 0x75, 0x64, 0x34, 0x2b, 0x59, 0x17, 0x77, 0xf3, 0xe5, 0xf6, 0xa4, 0xba, 0x2a, 0xea, 0x34, 0x2e, 0xc8, 0x40, 0xdd, 0x08, 0x20, 0x65, 0x5c, 0xb2, 0xff, 0xdb, 0x0d, 0xa9, 0xe9, 0x31, 0x0a, 0x67, 0xc9, 0xe5, 0xe0, 0x62, 0x9b, 0x6d, 0x79, 0x75, 0xdd, 0xfa, 0x96, 0xa3, 0x99, 0x64, 0x87, 0x40, 0xe6, 0x0f, 0x1f, 0x95, 0x57, 0xdc, 0x58, 0xb3, 0xd7, 0x41, 0x5f, 0x9b, 0xa9, 0xd4, 0xdb, 0xb5, 0x01, 0xf6), chunk_from_chars(0xf9, 0x2d, 0x4c, 0xf9, 0x9a, 0x53, 0x5b, 0x20, 0x22, 0x2a, 0x52, 0xa6, 0x8d, 0xb0, 0x4c, 0x5a, 0xf6, 0xf5, 0xff, 0xc7, 0xb6, 0x6a, 0x47, 0x3a, 0x37, 0xa2, 0x56, 0xbd, 0x8d, 0x29, 0x8f, 0x9b, 0x4a, 0xa4, 0xaf, 0x7e, 0x8d, 0x18, 0x1e, 0x02, 0x36, 0x79, 0x03, 0xf9, 0x3b, 0xdb, 0x74, 0x4c, 0x6c, 0x2f, 0x3f, 0x34, 0x72, 0x62, 0x6b, 0x40, 0xce, 0x9b, 0xd6, 0xa7, 0x0e, 0x7b, 0x8f, 0x93, 0x99, 0x2a, 0x16, 0xa7, 0x6f, 0xab, 0x6b, 0x5f, 0x16, 0x25, 0x68, 0xe0, 0x8e, 0xe6, 0xc3, 0xe8, 0x04, 0xae, 0xfd, 0x95, 0x2d, 0xdd, 0x3a, 0xcb, 0x79, 0x1c, 0x50, 0xf2, 0xad, 0x69, 0xe9, 0xa0, 0x40, 0x28, 0xa0, 0x6a, 0x9c, 0x01, 0xd3, 0xa6, 0x2a, 0xca, 0x2a, 0xaf, 0x6e, 0xfe, 0x69, 0xed, 0x97, 0xa0, 0x16, 0x21, 0x3a, 0x2d, 0xd6, 0x42, 0xb4, 0x88, 0x67, 0x64, 0x07, 0x2d, 0x9c, 0xbe) }, /* SHA-256 test case 5 - count 0 */ { { NULL, 0 }, chunk_from_chars(0xff, 0x0c, 0xdd, 0x55, 0x5c, 0x60, 0x46, 0x47, 0x60, 0xb2, 0x89, 0xb7, 0xbc, 0x1f, 0x81, 0x1a, 0x41, 0xff, 0xf7, 0x2d, 0xe5, 0x90, 0x83, 0x85, 0x8c, 0x02, 0x0a, 0x10, 0x53, 0xbd, 0xc7, 0x4a, 0x7b, 0xc0, 0x99, 0x28, 0x5a, 0xd5, 0x62, 0x19, 0x93, 0xb6, 0x39, 0xc4, 0xa9, 0x4c, 0x37, 0x6b, 0x14, 0xfc, 0x6c, 0x9b, 0x17, 0x8d, 0xb6, 0x44, 0xa8, 0xcd, 0x71, 0x30, 0xa4, 0xcf, 0x05, 0x16, 0x78, 0xc8, 0xf4, 0xfa, 0x8f, 0x24, 0xc2, 0x7b, 0x0a, 0x53, 0x13, 0x38, 0xa5, 0xce, 0x85, 0x89), chunk_from_chars(0x2f, 0x26, 0x20, 0x34, 0x7b, 0xdd, 0xca, 0xa2, 0x94, 0x36, 0x85, 0x34, 0x6b, 0xbf, 0x31, 0xc4, 0x40, 0x81, 0xf8, 0x66, 0x5f, 0x3d, 0xdb, 0x2b, 0x42, 0xae, 0x14, 0x16, 0xa7, 0x4c, 0x4b, 0x77, 0xfa, 0xb3, 0xfa, 0x19, 0xae, 0xec, 0xc5, 0x47, 0xe7, 0x6c, 0x8c, 0xbe, 0x6a, 0xd1, 0xf1, 0x00, 0xa3, 0xfc, 0x8b, 0x2c, 0xe2, 0xa1, 0xea, 0x3a, 0x3d, 0xd7, 0xcf, 0xad, 0x46, 0xc1, 0xb2, 0x78, 0x30, 0xb9, 0x40, 0xba, 0x18, 0xd0, 0x9e, 0x9b, 0x7f, 0xa9, 0x02, 0xbb, 0x76, 0x06, 0x69, 0xb1, 0x73, 0x5c, 0xc7, 0xb7, 0xbd, 0x39, 0x05, 0x2d, 0xa7, 0xf2, 0x62, 0x6f, 0xa8, 0x70, 0x00, 0xcf, 0xfa, 0xda, 0x41, 0x00, 0x19, 0xd0, 0x53, 0x38, 0x6a, 0xd8, 0x08, 0xbd, 0x3c, 0x0c, 0xfc, 0xf5, 0x6b, 0x91, 0x87, 0x9e, 0xb8, 0xd3, 0xf9, 0x32, 0xee, 0x2d, 0x18, 0x5e, 0x54, 0xf3, 0x1b, 0x74) }, /* SHA-256 test case 7 - count 0 */ { chunk_from_chars(0x40, 0x93, 0x3f, 0xdc, 0xce, 0x41, 0x59, 0xb0, 0x95, 0x51, 0x11, 0xf8, 0x44, 0x47, 0x1b, 0x0d, 0xb8, 0x5b, 0x73, 0xbd, 0xd2, 0xb7, 0x8c, 0x46, 0x8d, 0xd3, 0x9e, 0x2a, 0x9b, 0x29, 0xae, 0xf2), chunk_from_chars(0x28, 0xba, 0x1a, 0x66, 0x16, 0x32, 0xef, 0xc8, 0xec, 0xce, 0xd5, 0xf5, 0x1b, 0x79, 0x13, 0x00, 0xfb, 0x3b, 0x55, 0xb0, 0x5d, 0x04, 0x17, 0x08, 0x63, 0x8d, 0xe4, 0xbe, 0xb7, 0x57, 0xa9, 0xe5, 0x76, 0x82, 0x87, 0x96, 0xaf, 0xf0, 0x7f, 0x55, 0x79, 0x5c, 0xb5, 0x47, 0x13, 0xc7, 0x7e, 0xd4, 0xa5, 0xf5, 0x42, 0xb0, 0x4a, 0xaa, 0x5d, 0xbc, 0x93, 0x1e, 0x47, 0x01, 0x9f, 0xeb, 0x38, 0x96, 0x26, 0x16, 0xc5, 0x7a, 0xf0, 0x9b, 0x7c, 0x1d, 0xf8, 0x3f, 0x2b, 0x86, 0x0f, 0xf7, 0x65, 0x86), chunk_from_chars(0x65, 0xe5, 0xaa, 0x47, 0xb3, 0x85, 0xf1, 0xea, 0x42, 0xb2, 0x31, 0xb9, 0xfe, 0x74, 0x42, 0x53, 0xb8, 0x59, 0x88, 0x59, 0xd7, 0x01, 0x1e, 0x52, 0x5f, 0x5a, 0x2a, 0x1a, 0xd3, 0x2a, 0x97, 0x2a, 0x85, 0x08, 0x02, 0xc6, 0x0a, 0x2b, 0xe1, 0x9b, 0xe2, 0x70, 0x06, 0x3a, 0x3c, 0xfb, 0xea, 0xae, 0x95, 0x4f, 0x10, 0xb1, 0x22, 0x35, 0x2d, 0xe6, 0xa0, 0x8a, 0xc4, 0x10, 0xe0, 0x99, 0x16, 0x53, 0xaa, 0xb2, 0x71, 0xb3, 0x60, 0xfe, 0x91, 0x91, 0xcf, 0x5a, 0xdd, 0xcc, 0xcc, 0xed, 0x8c, 0x4a, 0xcf, 0xb6, 0x14, 0x57, 0x04, 0x99, 0x92, 0x98, 0x8f, 0xd7, 0xa9, 0xac, 0xca, 0x1f, 0x1b, 0xca, 0x35, 0xf1, 0x47, 0x58, 0x13, 0x69, 0x4a, 0x39, 0x98, 0x8e, 0x5f, 0xac, 0x9f, 0x4a, 0xc0, 0x57, 0x22, 0x86, 0xbc, 0x46, 0x25, 0x82, 0xad, 0x0a, 0xf7, 0x8a, 0xb3, 0xb8, 0x5e, 0xc1, 0x7a, 0x25) } }; START_TEST(test_ntru_drbg) { ntru_drbg_t *drbg; rng_t *entropy; chunk_t out; out = chunk_alloc(128); entropy = test_rng_create(drbg_tests[_i].entropy); drbg = ntru_drbg_create(256, drbg_tests[_i].pers_str, entropy); ck_assert(drbg != NULL); ck_assert(drbg->reseed(drbg)); ck_assert(drbg->generate(drbg, 256, 128, out.ptr)); ck_assert(drbg->generate(drbg, 256, 128, out.ptr)); ck_assert(chunk_equals(out, drbg_tests[_i].out)); drbg->destroy(drbg); entropy->destroy(entropy); chunk_free(&out); } END_TEST START_TEST(test_ntru_drbg_reseed) { ntru_drbg_t *drbg; rng_t *entropy; chunk_t out; lib->settings->set_int(lib->settings, "libstrongswan.plugins.ntru.max_drbg_requests", 2); out = chunk_alloc(128); entropy = test_rng_create(drbg_tests[0].entropy); drbg = ntru_drbg_create(256, chunk_empty, entropy); /* bad output parameters */ ck_assert(!drbg->generate(drbg, 256, 0, out.ptr)); ck_assert(!drbg->generate(drbg, 256, 128, NULL)); /* no reseeding occurs */ ck_assert(drbg->generate(drbg, 256, 128, out.ptr)); ck_assert(drbg->generate(drbg, 256, 128, out.ptr)); /* consuming remaining entropy */ ck_assert(entropy->get_bytes(entropy, 32, out.ptr)); /* no entropy available for automatic reseeding */ ck_assert(!drbg->generate(drbg, 256, 128, out.ptr)); drbg->destroy(drbg); /* no entropy available for DRBG instantiation */ drbg = ntru_drbg_create(256, chunk_empty, entropy); ck_assert(drbg == NULL); entropy->destroy(entropy); /* one automatic reseeding occurs */ entropy = test_rng_create(drbg_tests[0].entropy); drbg = ntru_drbg_create(256, chunk_empty, entropy); ck_assert(drbg->generate(drbg, 256, 128, out.ptr)); ck_assert(drbg->generate(drbg, 256, 128, out.ptr)); ck_assert(drbg->generate(drbg, 256, 128, out.ptr)); /* no entropy left */ ck_assert(!entropy->get_bytes(entropy, 32, out.ptr)); drbg->destroy(drbg); entropy->destroy(entropy); chunk_free(&out); lib->settings->set_int(lib->settings, "libstrongswan.plugins.ntru.max_drbg_requests", 2000); } END_TEST typedef struct { hash_algorithm_t alg; size_t hash_size; size_t ml1, ml2, ml3; chunk_t seed; chunk_t hashed_seed; chunk_t mask; chunk_t trits; } mgf1_test_t; /** * MGF1 Mask Generation Function Test Vectors */ mgf1_test_t mgf1_tests[] = { { HASH_SHA1, 20, 60, 20, 15, chunk_from_chars( 0xED, 0xA5, 0xC3, 0xBC, 0xAF, 0xB3, 0x20, 0x7D, 0x14, 0xA1, 0x54, 0xF7, 0x8B, 0x37, 0xF2, 0x8D, 0x8C, 0x9B, 0xD5, 0x63, 0x57, 0x38, 0x11, 0xC2, 0xB5, 0xCA, 0xBF, 0x06, 0x43, 0x45, 0x19, 0xD5, 0xE7, 0x36, 0xD0, 0x29, 0x21, 0xDA, 0x02, 0x20, 0x45, 0xF6, 0x5F, 0x0F, 0x10, 0x04, 0x2A, 0xE3, 0x6A, 0x1D, 0xD5, 0x9F, 0x1D, 0x66, 0x44, 0x8F, 0xFA, 0xC6, 0xCA, 0xA4, 0x6E, 0x3B, 0x00, 0x66, 0xA6, 0xC9, 0x80, 0x5C, 0xF5, 0x2D, 0xD7, 0x72, 0xC6, 0xD4, 0x4F, 0x30, 0x72, 0xA2, 0xAD, 0xE0, 0x33, 0xE8, 0x55, 0xD5, 0xE6, 0xD6, 0x00, 0x1D, 0xA8, 0x68, 0xFF, 0x97, 0x36, 0x8A, 0xF4, 0xD6, 0xF1, 0xB6, 0x7E, 0x1F, 0x06, 0xCB, 0x57, 0xCB, 0x35, 0x38, 0xF2, 0x2D, 0xF6, 0x20), chunk_from_chars( 0xF3, 0x9B, 0x0B, 0xB4, 0x97, 0x50, 0xB5, 0xA7, 0xE6, 0xBD, 0xDA, 0xD0, 0x9A, 0x52, 0xBE, 0xA0, 0x21, 0xC4, 0x90, 0xB6), chunk_from_chars( 0x10, 0x43, 0x76, 0x72, 0x6C, 0xDE, 0xA0, 0x0E, 0x77, 0x51, 0xFB, 0x58, 0x39, 0x8A, 0x36, 0xE1, 0x63, 0x2B, 0xC9, 0x17, 0x56, 0x0C, 0x4B, 0x46, 0xA4, 0x07, 0xA4, 0x3B, 0x8E, 0x33, 0x4D, 0xD1, 0x65, 0xF1, 0xAC, 0xC8, 0x59, 0x21, 0x32, 0x16, 0x44, 0x2B, 0x7F, 0xB2, 0xA8, 0xA7, 0x26, 0x5D, 0xE8, 0x02, 0xBE, 0x8E, 0xDC, 0x34, 0xEB, 0x10, 0x76, 0x16, 0x8C, 0xDD, 0x90, 0x92, 0x3D, 0x29, 0x90, 0x98, 0x46, 0x11, 0x73, 0x53, 0x47, 0xB1, 0x2C, 0xD4, 0x83, 0x78, 0x9B, 0x93, 0x2F, 0x5B, 0xFC, 0x26, 0xFF, 0x42, 0x08, 0x1F, 0x70, 0x66, 0x40, 0x4B, 0xE7, 0x22, 0x3A, 0x56, 0x10, 0x6D, 0x4D, 0x29, 0x0B, 0xCE, 0xA6, 0x21, 0xB5, 0x5C, 0x71, 0x66, 0x2F, 0x70, 0x35, 0xD8, 0x8A, 0x92, 0x33, 0xF0, 0x16, 0xD4, 0x0E, 0x43, 0x8A, 0x14), chunk_from_chars( 1, 2, 1, 0, 0, 1, 1, 1, 2, 0, 1, 0, 1, 1, 1, 0, 2, 0, 1, 1, 0, 0, 0, 1, 1, 0, 2, 0, 2, 2, 1, 2, 2, 2, 1, 2, 1, 1, 0, 0, 2, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 2, 0, 0, 1, 0, 1, 0, 2, 0, 0, 1, 0, 2, 1, 0, 0, 0, 2, 0, 0, 0, 1, 2, 2, 0, 0, 2, 0, 1, 1, 2, 1, 1, 0, 0, 1, 1, 1, 2, 2, 1, 2, 0, 0, 2, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 2, 2, 0, 1, 2, 1, 2, 0, 2, 0, 0, 0, 2, 1, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 1, 0, 2, 0, 1, 2, 0, 2, 1, 0, 2, 2, 1, 0, 2, 1, 2, 2, 0, 2, 0, 2, 1, 2, 2, 0, 2, 0, 1, 1, 2, 2, 2, 2, 1, 0, 1, 0, 2, 2, 0, 1, 1, 2, 2, 2, 0, 0, 1, 0, 2, 0, 1, 0, 2, 1, 2, 1, 0, 1, 1, 2, 0, 0, 2, 1, 1, 2, 0, 1, 2, 1, 1, 0, 1, 0, 2, 1, 1, 1, 2, 1, 0, 2, 0, 2, 0, 0, 2, 2, 1, 0, 0, 2, 2, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 2, 1, 2, 2, 2, 0, 0, 0, 0, 1, 0, 0, 1, 2, 1, 2, 0, 2, 1, 1, 1, 0, 2, 2, 1, 2, 2, 1, 0, 1, 0, 2, 2, 2, 1, 2, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 2, 0, 0, 2, 1, 0, 2, 1, 2, 1, 0, 2, 2, 0, 0, 1, 2, 1, 2, 0, 1, 2, 1, 1, 2, 0, 2, 0, 2, 1, 1, 1, 0, 0, 0, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 0, 2, 2, 1, 0, 0, 1, 2, 0, 1, 1, 2, 0, 0, 0, 1, 2, 2, 1, 2, 0, 0, 2, 1, 0, 2, 2, 2, 1, 1, 0, 2, 1, 2, 1, 2, 2, 1, 2, 1, 1, 0, 1, 1, 1, 1, 2, 0, 2, 2, 1, 0, 1, 1, 2, 1, 2, 0, 2, 1, 0, 1, 0, 1, 0, 1, 2, 0, 1, 1, 0, 0, 1, 1, 2, 0, 2, 2, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 2, 0, 1, 1, 0, 1, 2, 0, 0, 1, 2, 2, 0, 0, 2, 1, 2) }, { HASH_SHA256, 32, 64, 32, 33, chunk_from_chars( 0x52, 0xC5, 0xDD, 0x1E, 0xEF, 0x76, 0x1B, 0x53, 0x08, 0xE4, 0x86, 0x3F, 0x91, 0x12, 0x98, 0x69, 0xC5, 0x9D, 0xDE, 0xF6, 0xFC, 0xFA, 0x93, 0xCE, 0x32, 0x52, 0x66, 0xF9, 0xC9, 0x97, 0xF6, 0x42, 0x00, 0x2C, 0x64, 0xED, 0x1A, 0x6B, 0x14, 0x0A, 0x4B, 0x04, 0xCF, 0x6D, 0x2D, 0x82, 0x0A, 0x07, 0xA2, 0x3B, 0xDE, 0xCE, 0x19, 0x8A, 0x39, 0x43, 0x16, 0x61, 0x29, 0x98, 0x68, 0xEA, 0xE5, 0xCC, 0x0A, 0xF8, 0xE9, 0x71, 0x26, 0xF1, 0x07, 0x36, 0x2C, 0x07, 0x1E, 0xEB, 0xE4, 0x28, 0xA2, 0xF4, 0xA8, 0x12, 0xC0, 0xC8, 0x20, 0x37, 0xF8, 0xF2, 0x6C, 0xAF, 0xDC, 0x6F, 0x2E, 0xD0, 0x62, 0x58, 0xD2, 0x37, 0x03, 0x6D, 0xFA, 0x6E, 0x1A, 0xAC, 0x9F, 0xCA, 0x56, 0xC6, 0xA4, 0x52, 0x41, 0xE8, 0x0F, 0x1B, 0x0C, 0xB9, 0xE6, 0xBA, 0xDE, 0xE1, 0x03, 0x5E, 0xC2, 0xE5, 0xF8, 0xF4, 0xF3, 0x46, 0x3A, 0x12, 0xC0, 0x1F, 0x3A, 0x00, 0xD0, 0x91, 0x18, 0xDD, 0x53, 0xE4, 0x22, 0xF5, 0x26, 0xA4, 0x54, 0xEE, 0x20, 0xF0, 0x80), chunk_from_chars( 0x76, 0x89, 0x8B, 0x1B, 0x60, 0xEC, 0x10, 0x9D, 0x8F, 0x13, 0xF2, 0xFE, 0xD9, 0x85, 0xC1, 0xAB, 0x7E, 0xEE, 0xB1, 0x31, 0xDD, 0xF7, 0x7F, 0x0C, 0x7D, 0xF9, 0x6B, 0x7B, 0x19, 0x80, 0xBD, 0x28), chunk_from_chars( 0xF1, 0x19, 0x02, 0x4F, 0xDA, 0x58, 0x05, 0x9A, 0x07, 0xDF, 0x61, 0x81, 0x22, 0x0E, 0x15, 0x46, 0xCB, 0x35, 0x3C, 0xDC, 0xAD, 0x20, 0xD9, 0x3F, 0x0D, 0xD1, 0xAA, 0x64, 0x66, 0x5C, 0xFA, 0x4A, 0xFE, 0xD6, 0x8F, 0x55, 0x57, 0x15, 0xB2, 0xA6, 0xA0, 0xE6, 0xA8, 0xC6, 0xBD, 0x28, 0xB4, 0xD5, 0x6E, 0x5B, 0x4B, 0xB0, 0x97, 0x09, 0xF5, 0xAC, 0x57, 0x65, 0x13, 0x97, 0x71, 0x2C, 0x45, 0x13, 0x3D, 0xEE, 0xFB, 0xBF, 0xFE, 0xAF, 0xBB, 0x4B, 0x0D, 0x5C, 0x45, 0xD4, 0x2F, 0x17, 0x92, 0x07, 0x66, 0x11, 0xF5, 0x46, 0xF8, 0x0C, 0x03, 0x92, 0xF5, 0xF5, 0xFF, 0xA4, 0xF3, 0x52, 0xF4, 0x08, 0x2C, 0x49, 0x32, 0x1A, 0x93, 0x51, 0x98, 0xB6, 0x94, 0x83, 0x39, 0xCF, 0x6B, 0x1F, 0x2F, 0xFC, 0x2B, 0xFF, 0x10, 0x71, 0x7D, 0x35, 0x6C, 0xEA, 0xC5, 0x66, 0xC7, 0x26, 0x7D, 0x9E, 0xAC, 0xDD, 0x35, 0xD7, 0x06, 0x3F, 0x40, 0x82, 0xDA, 0xC3, 0x2B, 0x3C, 0x91, 0x3A, 0x32, 0xF8, 0xB2, 0xC6, 0x44, 0x4D, 0xCD, 0xB6, 0x54, 0x5F, 0x81, 0x95, 0x59, 0xA1, 0xE5, 0x4E, 0xA5, 0x0A, 0x4A, 0x42), chunk_from_chars( 1, 2, 2, 2, 2, 1, 2, 2, 0, 0, 2, 0, 0, 0, 0, 1, 2, 2, 2, 0, 2, 0, 0, 2, 2, 1, 2, 0, 0, 1, 2, 1, 0, 0, 0, 1, 0, 2, 2, 1, 1, 2, 0, 0, 0, 1, 2, 0, 2, 2, 1, 2, 1, 0, 1, 0, 1, 2, 1, 1, 1, 2, 0, 1, 0, 2, 1, 1, 0, 0, 0, 1, 2, 0, 0, 1, 2, 1, 2, 0, 2, 1, 1, 1, 2, 2, 2, 2, 1, 0, 0, 2, 0, 2, 0, 1, 1, 0, 2, 2, 2, 0, 1, 0, 2, 2, 1, 0, 1, 0, 1, 0, 0, 2, 2, 0, 0, 1, 2, 0, 1, 1, 1, 0, 0, 2, 0, 2, 1, 2, 2, 2, 0, 0, 2, 1, 0, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 2, 2, 0, 1, 2, 2, 1, 2, 2, 2, 0, 2, 1, 1, 1, 0, 0, 1, 0, 2, 0, 0, 1, 0, 1, 2, 0, 0, 1, 2, 1, 0, 2, 1, 1, 0, 0, 2, 1, 2, 2, 2, 1, 2, 1, 1, 2, 2, 0, 2, 0, 0, 2, 0, 0, 1, 1, 2, 0, 0, 0, 1, 2, 1, 1, 1, 1, 0, 0, 0, 2, 0, 2, 0, 2, 2, 1, 2, 2, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 2, 2, 0, 2, 1, 1, 0, 2, 1, 2, 1, 2, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 2, 0, 0, 1, 2, 0, 2, 0, 1, 1, 0, 2, 0, 0, 1, 2, 1, 2, 1, 2, 1, 0, 1, 1, 2, 2, 1, 1, 0, 0, 2, 1, 2, 0, 1, 0, 2, 0, 0, 1, 2, 0, 2, 0, 1, 1, 2, 2, 2, 2, 0, 0, 1, 2, 1, 1, 1, 0, 2, 1, 2, 2, 0, 2, 0, 1, 2, 2, 0, 1, 1, 1, 0, 0, 2, 0, 1, 0, 1, 0, 2, 1, 2, 0, 2, 1, 2, 1, 2, 2, 0, 2, 1, 0, 2, 1, 2, 0, 0, 2, 0, 1, 2, 1, 1, 2, 0, 0, 0, 0, 1, 2, 0, 1, 2, 2, 1, 0, 0, 1, 2, 1, 2, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 1, 2, 1, 2, 0, 0, 0, 2, 1, 0, 0, 0, 1, 2, 2, 0, 0, 0, 2, 2, 1, 1, 0, 1, 0, 2, 2, 0, 2, 1, 2, 1, 0, 2, 2, 2, 0, 0, 0, 1, 1, 2, 1, 0, 0, 0, 0, 1, 2, 2, 1, 2, 1, 2, 0, 2, 0, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 0, 1, 0, 2, 0, 0, 0, 2, 1, 2, 2, 2, 2, 0, 1, 1, 1, 0, 1, 0, 2, 0, 2, 1, 0, 1, 2, 1, 1, 0, 1, 2, 1, 0, 0, 2, 1, 0, 1, 1, 2, 2, 1, 1, 1, 2, 2, 2, 1, 0, 0, 0, 0, 1, 1, 0, 0, 2, 2, 2, 2, 2, 0, 1, 2, 0, 1, 2, 0, 1, 1, 0, 1, 1, 2, 2, 0, 1, 1, 0, 2, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 0, 1, 0, 2, 2, 1, 0, 2, 2, 2, 2, 2, 1, 0, 2, 2, 2, 1, 2, 0, 2, 0, 0, 0, 0, 0, 1, 2, 0, 1, 0, 1) } }; START_TEST(test_ntru_mgf1) { ntru_mgf1_t *mgf1; chunk_t mask, mask1, mask2, mask3; mask1 = mgf1_tests[_i].mask; mask2 = chunk_skip(mask1, mgf1_tests[_i].ml1); mask3 = chunk_skip(mask2, mgf1_tests[_i].ml2); mask1.len = mgf1_tests[_i].ml1; mask2.len = mgf1_tests[_i].ml2; mask3.len = mgf1_tests[_i].ml3; mgf1 = ntru_mgf1_create(HASH_UNKNOWN, mgf1_tests[_i].seed, TRUE); ck_assert(mgf1 == NULL); mgf1 = ntru_mgf1_create(mgf1_tests[_i].alg, chunk_empty, TRUE); ck_assert(mgf1 == NULL); /* return mask in allocated chunk */ mgf1 = ntru_mgf1_create(mgf1_tests[_i].alg, mgf1_tests[_i].seed, TRUE); ck_assert(mgf1); /* check hash size */ ck_assert(mgf1->get_hash_size(mgf1) == mgf1_tests[_i].hash_size); /* get zero number of octets */ ck_assert(mgf1->allocate_mask(mgf1, 0, &mask)); ck_assert(mask.len == 0 && mask.ptr == NULL); /* get non-zero number of octets */ ck_assert(mgf1->allocate_mask(mgf1, mgf1_tests[_i].mask.len, &mask)); ck_assert(chunk_equals(mask, mgf1_tests[_i].mask)); mgf1->destroy(mgf1); /* copy mask to pre-allocated buffer */ mgf1 = ntru_mgf1_create(mgf1_tests[_i].alg, mgf1_tests[_i].seed, TRUE); ck_assert(mgf1); ck_assert(mgf1->get_mask(mgf1, mgf1_tests[_i].mask.len, mask.ptr)); ck_assert(chunk_equals(mask, mgf1_tests[_i].mask)); mgf1->destroy(mgf1); /* get mask in batches without hashing the seed */ mgf1 = ntru_mgf1_create(mgf1_tests[_i].alg, mgf1_tests[_i].hashed_seed, FALSE); ck_assert(mgf1); /* first batch */ ck_assert(mgf1->get_mask(mgf1, mask1.len, mask.ptr)); mask.len = mask1.len; ck_assert(chunk_equals(mask, mask1)); /* second batch */ ck_assert(mgf1->get_mask(mgf1, mask2.len, mask.ptr)); mask.len = mask2.len; ck_assert(chunk_equals(mask, mask2)); /* third batch */ ck_assert(mgf1->get_mask(mgf1, mask3.len, mask.ptr)); mask.len = mask3.len; ck_assert(chunk_equals(mask, mask3)); mgf1->destroy(mgf1); chunk_free(&mask); } END_TEST START_TEST(test_ntru_trits) { ntru_trits_t *mask; chunk_t trits; mask = ntru_trits_create(mgf1_tests[_i].trits.len, HASH_UNKNOWN, mgf1_tests[_i].seed); ck_assert(mask == NULL); mask = ntru_trits_create(mgf1_tests[_i].trits.len, mgf1_tests[_i].alg, chunk_empty); ck_assert(mask == NULL); mask = ntru_trits_create(mgf1_tests[_i].trits.len, mgf1_tests[_i].alg, mgf1_tests[_i].seed); ck_assert(mask); trits = chunk_create(mask->get_trits(mask), mask->get_size(mask)); ck_assert(chunk_equals(trits, mgf1_tests[_i].trits)); mask->destroy(mask); /* generate a multiple of 5 trits */ mask = ntru_trits_create(10, mgf1_tests[_i].alg, mgf1_tests[_i].seed); ck_assert(mask); trits = chunk_create(mask->get_trits(mask), mask->get_size(mask)); ck_assert(chunk_equals(trits, chunk_create(mgf1_tests[_i].trits.ptr, 10))); mask->destroy(mask); } END_TEST START_TEST(test_ntru_ke) { chunk_t pub_key, cipher_text, i_shared_secret, r_shared_secret; diffie_hellman_t *i_ntru, *r_ntru; char buf[10]; int n, len; status_t status; len = snprintf(buf, sizeof(buf), "%N", diffie_hellman_group_names, params[_i].group); ck_assert(len == 8); ck_assert(streq(buf, params[_i].group_name)); for (n = 0; n < countof(parameter_sets); n++) { lib->settings->set_str(lib->settings, "libstrongswan.plugins.ntru.parameter_set", parameter_sets[n]); i_ntru = lib->crypto->create_dh(lib->crypto, params[_i].group); ck_assert(i_ntru != NULL); ck_assert(i_ntru->get_dh_group(i_ntru) == params[_i].group); i_ntru->get_my_public_value(i_ntru, &pub_key); ck_assert(pub_key.len > 0); r_ntru = lib->crypto->create_dh(lib->crypto, params[_i].group); ck_assert(r_ntru != NULL); r_ntru->set_other_public_value(r_ntru, pub_key); r_ntru->get_my_public_value(r_ntru, &cipher_text); ck_assert(cipher_text.len > 0); status = r_ntru->get_shared_secret(r_ntru, &r_shared_secret); ck_assert(status == SUCCESS); ck_assert(r_shared_secret.len > 0); i_ntru->set_other_public_value(i_ntru, cipher_text); status = i_ntru->get_shared_secret(i_ntru, &i_shared_secret); if (status == SUCCESS) { ck_assert(chunk_equals(i_shared_secret, r_shared_secret)); } else { ck_assert(i_shared_secret.len == 0); } chunk_clear(&i_shared_secret); chunk_clear(&r_shared_secret); chunk_free(&pub_key); chunk_free(&cipher_text); i_ntru->destroy(i_ntru); r_ntru->destroy(r_ntru); } } END_TEST START_TEST(test_ntru_retransmission) { diffie_hellman_t *i_ntru; chunk_t pub_key1, pub_key2; i_ntru = lib->crypto->create_dh(lib->crypto, NTRU_256_BIT); i_ntru->get_my_public_value(i_ntru, &pub_key1); i_ntru->get_my_public_value(i_ntru, &pub_key2); ck_assert(chunk_equals(pub_key1, pub_key2)); chunk_free(&pub_key1); chunk_free(&pub_key2); i_ntru->destroy(i_ntru); } END_TEST chunk_t oid_tests[] = { { NULL, 0 }, chunk_from_chars(0x00), chunk_from_chars(0x01), chunk_from_chars(0x02), chunk_from_chars(0x02, 0x03, 0x00, 0x03, 0x10), chunk_from_chars(0x01, 0x04, 0x00, 0x03, 0x10), chunk_from_chars(0x01, 0x03, 0x00, 0x03, 0x10), chunk_from_chars(0x01, 0x03, 0xff, 0x03, 0x10), }; START_TEST(test_ntru_pubkey_oid) { diffie_hellman_t *r_ntru; chunk_t cipher_text; r_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT); r_ntru->set_other_public_value(r_ntru, oid_tests[_i]); r_ntru->get_my_public_value(r_ntru, &cipher_text); ck_assert(cipher_text.len == 0); r_ntru->destroy(r_ntru); } END_TEST START_TEST(test_ntru_wrong_set) { diffie_hellman_t *i_ntru, *r_ntru; chunk_t pub_key, cipher_text; lib->settings->set_str(lib->settings, "libstrongswan.plugins.ntru.parameter_set", "x9_98_bandwidth"); i_ntru = lib->crypto->create_dh(lib->crypto, NTRU_112_BIT); i_ntru->get_my_public_value(i_ntru, &pub_key); lib->settings->set_str(lib->settings, "libstrongswan.plugins.ntru.parameter_set", "optimum"); r_ntru = lib->crypto->create_dh(lib->crypto, NTRU_112_BIT); r_ntru->set_other_public_value(r_ntru, pub_key); r_ntru->get_my_public_value(r_ntru, &cipher_text); ck_assert(cipher_text.len == 0); chunk_free(&pub_key); chunk_free(&cipher_text); i_ntru->destroy(i_ntru); r_ntru->destroy(r_ntru); } END_TEST START_TEST(test_ntru_ciphertext) { char buf_00[604], buf_ff[604]; chunk_t test[] = { chunk_empty, chunk_from_chars(0x00), chunk_create(buf_00, sizeof(buf_00)), chunk_create(buf_ff, sizeof(buf_ff)), }; diffie_hellman_t *i_ntru; chunk_t pub_key, shared_secret; int i; memset(buf_00, 0x00, sizeof(buf_00)); memset(buf_ff, 0xff, sizeof(buf_ff)); for (i = 0; i < countof(test); i++) { i_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT); i_ntru->get_my_public_value(i_ntru, &pub_key); i_ntru->set_other_public_value(i_ntru, test[i]); ck_assert(i_ntru->get_shared_secret(i_ntru, &shared_secret) != SUCCESS); ck_assert(shared_secret.len == 0); chunk_free(&pub_key); i_ntru->destroy(i_ntru); } } END_TEST START_TEST(test_ntru_wrong_ciphertext) { diffie_hellman_t *i_ntru, *r_ntru, *m_ntru; chunk_t pub_key_i, pub_key_m, cipher_text, shared_secret; i_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT); r_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT); m_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT); i_ntru->get_my_public_value(i_ntru, &pub_key_i); m_ntru->get_my_public_value(m_ntru, &pub_key_m); r_ntru->set_other_public_value(r_ntru, pub_key_m); r_ntru->get_my_public_value(r_ntru, &cipher_text); i_ntru->set_other_public_value(i_ntru, cipher_text); ck_assert(i_ntru->get_shared_secret(i_ntru, &shared_secret) != SUCCESS); ck_assert(shared_secret.len == 0); chunk_free(&pub_key_i); chunk_free(&pub_key_m); chunk_free(&cipher_text); i_ntru->destroy(i_ntru); m_ntru->destroy(m_ntru); r_ntru->destroy(r_ntru); } END_TEST Suite *ntru_suite_create() { Suite *s; TCase *tc; s = suite_create("ntru"); tc = tcase_create("drbg_strength"); tcase_add_loop_test(tc, test_ntru_drbg_strength, 0, countof(strengths)); suite_add_tcase(s, tc); tc = tcase_create("drbg"); tcase_add_loop_test(tc, test_ntru_drbg, 0, countof(drbg_tests)); suite_add_tcase(s, tc); tc = tcase_create("drgb_reseed"); tcase_add_test(tc, test_ntru_drbg_reseed); suite_add_tcase(s, tc); tc = tcase_create("mgf1"); tcase_add_loop_test(tc, test_ntru_mgf1, 0, countof(mgf1_tests)); suite_add_tcase(s, tc); tc = tcase_create("trits"); tcase_add_loop_test(tc, test_ntru_trits, 0, countof(mgf1_tests)); suite_add_tcase(s, tc); tc = tcase_create("ke"); tcase_add_loop_test(tc, test_ntru_ke, 0, countof(params)); suite_add_tcase(s, tc); tc = tcase_create("retransmission"); tcase_add_test(tc, test_ntru_retransmission); suite_add_tcase(s, tc); tc = tcase_create("pubkey_oid"); tcase_add_loop_test(tc, test_ntru_pubkey_oid, 0, countof(oid_tests)); suite_add_tcase(s, tc); tc = tcase_create("wrong_set"); tcase_add_test(tc, test_ntru_wrong_set); suite_add_tcase(s, tc); tc = tcase_create("ciphertext"); tcase_add_test(tc, test_ntru_ciphertext); suite_add_tcase(s, tc); tc = tcase_create("wrong_ciphertext"); tcase_add_test(tc, test_ntru_wrong_ciphertext); suite_add_tcase(s, tc); return s; }