Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -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_keypair_test processes a NIST CAVP ECDSA2 KeyPair test vector |
| 16 | // request file and emits the corresponding response. |
| 17 | |
| 18 | #include <stdlib.h> |
| 19 | |
| 20 | #include <vector> |
| 21 | |
| 22 | #include <openssl/bn.h> |
| 23 | #include <openssl/crypto.h> |
| 24 | #include <openssl/ec_key.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 TestECDSA2KeyPair(FileTest *t, void *arg) { |
| 33 | std::string n_str; |
| 34 | const char *group_str; |
| 35 | int nid = GetECGroupNIDFromInstruction(t, &group_str); |
| 36 | if (nid == NID_undef || |
| 37 | !t->GetAttribute(&n_str, "N")) { |
| 38 | return false; |
| 39 | } |
| 40 | |
| 41 | // Don't use CurrentTestToString to avoid printing the N. |
| 42 | printf( |
| 43 | "[%s]\r\n\r\n[B.4.2 Key Pair Generation by Testing Candidates]\r\n\r\n", |
| 44 | group_str); |
| 45 | |
| 46 | unsigned long n = strtoul(n_str.c_str(), nullptr, 10); |
| 47 | for (unsigned long i = 0; i < n; i++) { |
| 48 | bssl::UniquePtr<BIGNUM> qx(BN_new()), qy(BN_new()); |
| 49 | bssl::UniquePtr<EC_KEY> key(EC_KEY_new_by_curve_name(nid)); |
| 50 | if (!key || |
| 51 | !EC_KEY_generate_key_fips(key.get()) || |
| 52 | !EC_POINT_get_affine_coordinates_GFp(EC_KEY_get0_group(key.get()), |
| 53 | EC_KEY_get0_public_key(key.get()), |
| 54 | qx.get(), qy.get(), nullptr)) { |
| 55 | return false; |
| 56 | } |
| 57 | |
| 58 | size_t degree_len = |
| 59 | (EC_GROUP_get_degree(EC_KEY_get0_group(key.get())) + 7) / 8; |
| 60 | size_t order_len = |
| 61 | BN_num_bytes(EC_GROUP_get0_order(EC_KEY_get0_group(key.get()))); |
| 62 | std::vector<uint8_t> qx_bytes(degree_len), qy_bytes(degree_len); |
| 63 | std::vector<uint8_t> d_bytes(order_len); |
| 64 | if (!BN_bn2bin_padded(qx_bytes.data(), qx_bytes.size(), qx.get()) || |
| 65 | !BN_bn2bin_padded(qy_bytes.data(), qy_bytes.size(), qy.get()) || |
| 66 | !BN_bn2bin_padded(d_bytes.data(), d_bytes.size(), |
| 67 | EC_KEY_get0_private_key(key.get()))) { |
| 68 | return false; |
| 69 | } |
| 70 | |
| 71 | printf("d = %s\r\nQx = %s\r\nQy = %s\r\n\r\n", |
| 72 | EncodeHex(d_bytes.data(), d_bytes.size()).c_str(), |
| 73 | EncodeHex(qx_bytes.data(), qx_bytes.size()).c_str(), |
| 74 | EncodeHex(qy_bytes.data(), qy_bytes.size()).c_str()); |
| 75 | } |
| 76 | |
| 77 | return true; |
| 78 | } |
| 79 | |
| 80 | int cavp_ecdsa2_keypair_test_main(int argc, char **argv) { |
| 81 | if (argc != 2) { |
| 82 | fprintf(stderr, "usage: %s <test file>\n", |
| 83 | argv[0]); |
| 84 | return 1; |
| 85 | } |
| 86 | |
| 87 | FileTest::Options opts; |
| 88 | opts.path = argv[1]; |
| 89 | opts.callback = TestECDSA2KeyPair; |
| 90 | opts.silent = true; |
| 91 | opts.comment_callback = EchoComment; |
| 92 | return FileTestMain(opts); |
| 93 | } |