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_ecdsa2_sigver_test processes a NIST CAVP ECDSA2 SigVer test vector |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 16 | // request file and emits the corresponding response. |
Robert Sloan | 2424d84 | 2017-05-01 07:46:28 -0700 | [diff] [blame] | 17 | |
| 18 | #include <vector> |
| 19 | |
| 20 | #include <openssl/bn.h> |
| 21 | #include <openssl/crypto.h> |
| 22 | #include <openssl/digest.h> |
| 23 | #include <openssl/ec_key.h> |
| 24 | #include <openssl/ecdsa.h> |
| 25 | #include <openssl/err.h> |
| 26 | #include <openssl/nid.h> |
| 27 | |
| 28 | #include "../crypto/test/file_test.h" |
| 29 | #include "cavp_test_util.h" |
| 30 | |
| 31 | |
| 32 | static bool TestECDSA2SigVer(FileTest *t, void *arg) { |
| 33 | int nid = GetECGroupNIDFromInstruction(t); |
| 34 | const EVP_MD *md = GetDigestFromInstruction(t); |
| 35 | if (nid == NID_undef || md == nullptr) { |
| 36 | return false; |
| 37 | } |
| 38 | bssl::UniquePtr<ECDSA_SIG> sig(ECDSA_SIG_new()); |
| 39 | bssl::UniquePtr<EC_KEY> key(EC_KEY_new_by_curve_name(nid)); |
| 40 | bssl::UniquePtr<BIGNUM> qx = GetBIGNUM(t, "Qx"); |
| 41 | bssl::UniquePtr<BIGNUM> qy = GetBIGNUM(t, "Qy"); |
| 42 | bssl::UniquePtr<BIGNUM> r = GetBIGNUM(t, "R"); |
| 43 | bssl::UniquePtr<BIGNUM> s = GetBIGNUM(t, "S"); |
| 44 | std::vector<uint8_t> msg; |
| 45 | uint8_t digest[EVP_MAX_MD_SIZE]; |
| 46 | unsigned digest_len; |
| 47 | if (!sig || !key || !qx || !qy || !r || !s || |
| 48 | !EC_KEY_set_public_key_affine_coordinates(key.get(), qx.get(), |
| 49 | qy.get()) || |
| 50 | !t->GetBytes(&msg, "Msg") || |
| 51 | !EVP_Digest(msg.data(), msg.size(), digest, &digest_len, md, nullptr)) { |
| 52 | return false; |
| 53 | } |
| 54 | |
| 55 | BN_free(sig->r); |
| 56 | sig->r = r.release(); |
| 57 | BN_free(sig->s); |
| 58 | sig->s = s.release(); |
| 59 | |
| 60 | if (ECDSA_do_verify(digest, digest_len, sig.get(), key.get())) { |
| 61 | printf("%sResult = P\r\n\r\n", t->CurrentTestToString().c_str()); |
| 62 | } else { |
| 63 | char buf[256]; |
| 64 | ERR_error_string_n(ERR_get_error(), buf, sizeof(buf)); |
| 65 | printf("%sResult = F (%s)\r\n\r\n", t->CurrentTestToString().c_str(), buf); |
| 66 | } |
| 67 | ERR_clear_error(); |
| 68 | return true; |
| 69 | } |
| 70 | |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 71 | int cavp_ecdsa2_sigver_test_main(int argc, char **argv) { |
Robert Sloan | 2424d84 | 2017-05-01 07:46:28 -0700 | [diff] [blame] | 72 | if (argc != 2) { |
| 73 | fprintf(stderr, "usage: %s <test file>\n", |
| 74 | argv[0]); |
| 75 | return 1; |
| 76 | } |
| 77 | |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 78 | FileTest::Options opts; |
| 79 | opts.path = argv[1]; |
| 80 | opts.callback = TestECDSA2SigVer; |
| 81 | opts.silent = true; |
| 82 | opts.comment_callback = EchoComment; |
| 83 | return FileTestMain(opts); |
Robert Sloan | 2424d84 | 2017-05-01 07:46:28 -0700 | [diff] [blame] | 84 | } |