Robert Sloan | 2424d84 | 2017-05-01 07:46:28 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2017, Google Inc. |
| 2 | * |
| 3 | * Permission to use, copy, modify, and/or distribute this software for any |
| 4 | * purpose with or without fee is hereby granted, provided that the above |
| 5 | * copyright notice and this permission notice appear in all copies. |
| 6 | * |
| 7 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 8 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 9 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 10 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 11 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 12 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 13 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| 14 | |
| 15 | // cavp_sha_monte_test processes a NIST CAVP SHA-Monte test vector request file |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 16 | // and emits the corresponding response. |
Robert Sloan | 2424d84 | 2017-05-01 07:46:28 -0700 | [diff] [blame] | 17 | |
| 18 | #include <stdlib.h> |
| 19 | |
| 20 | #include <openssl/crypto.h> |
| 21 | #include <openssl/digest.h> |
| 22 | |
| 23 | #include "../crypto/test/file_test.h" |
| 24 | #include "cavp_test_util.h" |
| 25 | |
| 26 | |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 27 | namespace { |
| 28 | |
Robert Sloan | 2424d84 | 2017-05-01 07:46:28 -0700 | [diff] [blame] | 29 | struct TestCtx { |
| 30 | std::string hash; |
| 31 | }; |
| 32 | |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 33 | } |
| 34 | |
Robert Sloan | 2424d84 | 2017-05-01 07:46:28 -0700 | [diff] [blame] | 35 | static bool TestSHAMonte(FileTest *t, void *arg) { |
| 36 | TestCtx *ctx = reinterpret_cast<TestCtx *>(arg); |
| 37 | |
| 38 | const EVP_MD *md = EVP_get_digestbyname(ctx->hash.c_str()); |
| 39 | if (md == nullptr) { |
| 40 | return false; |
| 41 | } |
| 42 | const size_t md_len = EVP_MD_size(md); |
| 43 | |
| 44 | std::string out_len; |
| 45 | if (!t->GetInstruction(&out_len, "L") || |
| 46 | md_len != strtoul(out_len.c_str(), nullptr, 0)) { |
| 47 | return false; |
| 48 | } |
| 49 | |
| 50 | std::vector<uint8_t> seed; |
| 51 | if (!t->GetBytes(&seed, "Seed") || |
| 52 | seed.size() != md_len) { |
| 53 | return false; |
| 54 | } |
| 55 | |
| 56 | std::vector<uint8_t> out = seed; |
| 57 | |
| 58 | printf("%s\r\n", t->CurrentTestToString().c_str()); |
| 59 | |
| 60 | for (int count = 0; count < 100; count++) { |
| 61 | std::vector<uint8_t> msg; |
| 62 | msg.insert(msg.end(), out.begin(), out.end()); |
| 63 | msg.insert(msg.end(), out.begin(), out.end()); |
| 64 | msg.insert(msg.end(), out.begin(), out.end()); |
| 65 | for (int i = 0; i < 1000; i++) { |
| 66 | unsigned digest_len; |
| 67 | if (!EVP_Digest(msg.data(), msg.size(), out.data(), &digest_len, md, |
| 68 | nullptr) || |
| 69 | digest_len != out.size()) { |
| 70 | return false; |
| 71 | } |
| 72 | |
| 73 | msg.erase(msg.begin(), msg.begin() + out.size()); |
| 74 | msg.insert(msg.end(), out.begin(), out.end()); |
| 75 | } |
| 76 | printf("COUNT = %d\r\n", count); |
| 77 | printf("MD = %s\r\n\r\n", EncodeHex(out.data(), out.size()).c_str()); |
| 78 | } |
| 79 | |
| 80 | return true; |
| 81 | } |
| 82 | |
| 83 | static int usage(char *arg) { |
| 84 | fprintf(stderr, "usage: %s <hash> <test file>\n", arg); |
| 85 | return 1; |
| 86 | } |
| 87 | |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 88 | int cavp_sha_monte_test_main(int argc, char **argv) { |
Robert Sloan | 2424d84 | 2017-05-01 07:46:28 -0700 | [diff] [blame] | 89 | if (argc != 3) { |
| 90 | return usage(argv[0]); |
| 91 | } |
| 92 | |
| 93 | TestCtx ctx = {std::string(argv[1])}; |
| 94 | |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 95 | FileTest::Options opts; |
| 96 | opts.path = argv[2]; |
| 97 | opts.callback = TestSHAMonte; |
| 98 | opts.arg = &ctx; |
| 99 | opts.silent = true; |
| 100 | opts.comment_callback = EchoComment; |
| 101 | return FileTestMain(opts); |
Robert Sloan | 2424d84 | 2017-05-01 07:46:28 -0700 | [diff] [blame] | 102 | } |