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