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- /* Copyright (c) 2017, Google Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
-
- // cavp_ecdsa2_keypair_test processes a NIST CAVP ECDSA2 KeyPair test vector
- // request file and emits the corresponding response.
-
- #include <stdlib.h>
-
- #include <vector>
-
- #include <openssl/bn.h>
- #include <openssl/crypto.h>
- #include <openssl/ec_key.h>
- #include <openssl/err.h>
- #include <openssl/nid.h>
-
- #include "../crypto/test/file_test.h"
- #include "cavp_test_util.h"
-
-
- static bool TestECDSA2KeyPair(FileTest *t, void *arg) {
- std::string n_str;
- const char *group_str;
- int nid = GetECGroupNIDFromInstruction(t, &group_str);
- if (nid == NID_undef ||
- !t->GetAttribute(&n_str, "N")) {
- return false;
- }
-
- // Don't use CurrentTestToString to avoid printing the N.
- printf(
- "[%s]\r\n\r\n[B.4.2 Key Pair Generation by Testing Candidates]\r\n\r\n",
- group_str);
-
- unsigned long n = strtoul(n_str.c_str(), nullptr, 10);
- for (unsigned long i = 0; i < n; i++) {
- bssl::UniquePtr<BIGNUM> qx(BN_new()), qy(BN_new());
- bssl::UniquePtr<EC_KEY> key(EC_KEY_new_by_curve_name(nid));
- if (!key ||
- !EC_KEY_generate_key_fips(key.get()) ||
- !EC_POINT_get_affine_coordinates_GFp(EC_KEY_get0_group(key.get()),
- EC_KEY_get0_public_key(key.get()),
- qx.get(), qy.get(), nullptr)) {
- return false;
- }
-
- size_t degree_len =
- (EC_GROUP_get_degree(EC_KEY_get0_group(key.get())) + 7) / 8;
- size_t order_len =
- BN_num_bytes(EC_GROUP_get0_order(EC_KEY_get0_group(key.get())));
- std::vector<uint8_t> qx_bytes(degree_len), qy_bytes(degree_len);
- std::vector<uint8_t> d_bytes(order_len);
- if (!BN_bn2bin_padded(qx_bytes.data(), qx_bytes.size(), qx.get()) ||
- !BN_bn2bin_padded(qy_bytes.data(), qy_bytes.size(), qy.get()) ||
- !BN_bn2bin_padded(d_bytes.data(), d_bytes.size(),
- EC_KEY_get0_private_key(key.get()))) {
- return false;
- }
-
- printf("d = %s\r\nQx = %s\r\nQy = %s\r\n\r\n",
- EncodeHex(d_bytes.data(), d_bytes.size()).c_str(),
- EncodeHex(qx_bytes.data(), qx_bytes.size()).c_str(),
- EncodeHex(qy_bytes.data(), qy_bytes.size()).c_str());
- }
-
- return true;
- }
-
- int cavp_ecdsa2_keypair_test_main(int argc, char **argv) {
- if (argc != 2) {
- fprintf(stderr, "usage: %s <test file>\n",
- argv[0]);
- return 1;
- }
-
- FileTest::Options opts;
- opts.path = argv[1];
- opts.callback = TestECDSA2KeyPair;
- opts.silent = true;
- opts.comment_callback = EchoComment;
- return FileTestMain(opts);
- }
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