/* * Copyright (c) 2009, 2011, 2012 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include #undef NDEBUG #include "sha1.h" #include #include #include #include #include #include "ovstest.h" #include "random.h" #include "util.h" struct test_vector { char *data; size_t size; const uint8_t output[20]; }; struct test_api { void (*sha1_init)(struct sha1_ctx *); void (*sha1_update)(struct sha1_ctx *, const void *, uint32_t size); void (*sha1_final)(struct sha1_ctx *, uint8_t digest[SHA1_DIGEST_SIZE]); void (*sha1_bytes)(const void *, uint32_t size, uint8_t digest[SHA1_DIGEST_SIZE]); }; static const struct test_vector vectors[] = { /* FIPS 180-1. */ { "abc", 3, { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E, 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D } }, { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 56, { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE, 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 }, }, /* RFC 3174. */ { "0123456701234567012345670123456701234567012345670123456701234567" "0123456701234567012345670123456701234567012345670123456701234567" "0123456701234567012345670123456701234567012345670123456701234567" "0123456701234567012345670123456701234567012345670123456701234567" "0123456701234567012345670123456701234567012345670123456701234567" "0123456701234567012345670123456701234567012345670123456701234567" "0123456701234567012345670123456701234567012345670123456701234567" "0123456701234567012345670123456701234567012345670123456701234567" "0123456701234567012345670123456701234567012345670123456701234567" "0123456701234567012345670123456701234567012345670123456701234567", 64 * 10, { 0xDE, 0xA3, 0x56, 0xA2, 0xCD, 0xDD, 0x90, 0xC7, 0xA7, 0xEC, 0xED, 0xC5, 0xEB, 0xB5, 0x63, 0x93, 0x4F, 0x46, 0x04, 0x52 }, }, /* http://www.febooti.com/products/filetweak/members/hash-and-crc/test-vectors/ */ { "", 0, { 0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d, 0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90, 0xaf, 0xd8, 0x07, 0x09 } }, { "Test vector from febooti.com", 28, { 0xa7, 0x63, 0x17, 0x95, 0xf6, 0xd5, 0x9c, 0xd6, 0xd1, 0x4e, 0xbd, 0x00, 0x58, 0xa6, 0x39, 0x4a, 0x4b, 0x93, 0xd8, 0x68 } }, /* http://en.wikipedia.org/wiki/SHA_hash_functions */ { "The quick brown fox jumps over the lazy dog", 43, { 0x2f, 0xd4, 0xe1, 0xc6, 0x7a, 0x2d, 0x28, 0xfc, 0xed, 0x84, 0x9e, 0xe1, 0xbb, 0x76, 0xe7, 0x39, 0x1b, 0x93, 0xeb, 0x12 }, }, { "The quick brown fox jumps over the lazy cog", 43, { 0xde, 0x9f, 0x2c, 0x7f, 0xd2, 0x5e, 0x1b, 0x3a, 0xfa, 0xd3, 0xe8, 0x5a, 0x0b, 0xd1, 0x7d, 0x9b, 0x10, 0x0d, 0xb4, 0xb3 }, }, /* http://www.hashcash.org/docs/sha1-hashcash.html */ { "0:030626:adam@cypherspace.org:6470e06d773e05a8", 46, { 0x00, 0x00, 0x00, 0x00, 0xc7, 0x0d, 0xb7, 0x38, 0x9f, 0x24, 0x1b, 0x8f, 0x44, 0x1f, 0xcf, 0x06, 0x8a, 0xea, 0xd3, 0xf0 }, }, }; static void test_one(const struct test_api *api, const struct test_vector *vec) { uint8_t md[SHA1_DIGEST_SIZE]; int i; /* All at once. */ api->sha1_bytes(vec->data, vec->size, md); assert(!memcmp(md, vec->output, SHA1_DIGEST_SIZE)); /* In two pieces. */ for (i = 0; i < 20; i++) { int n0 = vec->size ? random_range(vec->size) : 0; int n1 = vec->size - n0; struct sha1_ctx sha1; api->sha1_init(&sha1); api->sha1_update(&sha1, vec->data, n0); api->sha1_update(&sha1, vec->data + n0, n1); api->sha1_final(&sha1, md); assert(!memcmp(md, vec->output, SHA1_DIGEST_SIZE)); } putchar('.'); fflush(stdout); } static void test_big_vector(const struct test_api *api) { enum { SIZE = 1000000 }; struct test_vector vec = { NULL, SIZE, { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E, 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F } }; size_t i; vec.data = xmalloc(SIZE); for (i = 0; i < SIZE; i++) { vec.data[i] = 'a'; } test_one(api, &vec); free(vec.data); } static void test_huge_vector(const struct test_api *api) { enum { SIZE = 1000000000 }; struct test_vector vec = { NULL, SIZE, /* Computed by the sha1sum utility for a file with 10^9 symbols 'a'. */ { 0xD0, 0xF3, 0xE4, 0xF2, 0xF3, 0x1C, 0x66, 0x5A, 0xBB, 0xD8, 0xF5, 0x18, 0xE8, 0x48, 0xD5, 0xCB, 0x80, 0xCA, 0x78, 0xF7 } }; int chunk = random_range(SIZE / 10000); uint8_t md[SHA1_DIGEST_SIZE]; struct sha1_ctx sha1; size_t i, sz; /* It's not user-friendly to allocate 1GB of memory for a unit test, * so we're allocating only a small chunk and re-using it. */ vec.data = xmalloc(chunk); for (i = 0; i < chunk; i++) { vec.data[i] = 'a'; } api->sha1_init(&sha1); for (sz = 0; sz < SIZE; sz += chunk) { int n = sz + chunk < SIZE ? chunk : SIZE - sz; api->sha1_update(&sha1, vec.data, n); } api->sha1_final(&sha1, md); ovs_assert(!memcmp(md, vec.output, SHA1_DIGEST_SIZE)); free(vec.data); putchar('.'); fflush(stdout); } static void test_shar1_main(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) { struct test_api api[] = { { .sha1_init = sha1_init, .sha1_update = sha1_update, .sha1_final = sha1_final, .sha1_bytes = sha1_bytes, }, { .sha1_init = ovs_sha1_init, .sha1_update = ovs_sha1_update, .sha1_final = ovs_sha1_final, .sha1_bytes = ovs_sha1_bytes, }, }; for (int i = 0; i < ARRAY_SIZE(api); i++) { for (int j = 0; j < ARRAY_SIZE(vectors); j++) { test_one(&api[i], &vectors[j]); } test_big_vector(&api[i]); test_huge_vector(&api[i]); } putchar('\n'); } OVSTEST_REGISTER("test-sha1", test_shar1_main);