ddfcc6a60b
Change-Id: If53f88135976e5f8f113c0e68bd880e378c98fd9 Reviewed-on: https://boringssl-review.googlesource.com/15885 Reviewed-by: Martin Kreichgauer <martinkr@google.com> Reviewed-by: Adam Langley <agl@google.com>
126 lines
4.2 KiB
C++
126 lines
4.2 KiB
C++
/* 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_siggen_test processes NIST CAVP ECDSA2 SigGen and
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// SigGenComponent test vector request files and emits the corresponding
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// response.
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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/digest.h>
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#include <openssl/ec_key.h>
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#include <openssl/ecdsa.h>
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#include <openssl/err.h>
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#include <openssl/nid.h>
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#include "../crypto/internal.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 TestECDSA2SigGenImpl(FileTest *t, bool is_component) {
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int nid = GetECGroupNIDFromInstruction(t);
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const EVP_MD *md = GetDigestFromInstruction(t);
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if (nid == NID_undef || md == nullptr) {
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return false;
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}
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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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std::vector<uint8_t> msg;
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if (!qx || !qy || !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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!t->GetBytes(&msg, "Msg")) {
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return false;
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}
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uint8_t digest[EVP_MAX_MD_SIZE];
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unsigned digest_len;
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if (is_component) {
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if (msg.size() != EVP_MD_size(md)) {
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t->PrintLine("Bad input length.");
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return false;
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}
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digest_len = EVP_MD_size(md);
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OPENSSL_memcpy(digest, msg.data(), msg.size());
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} else if (!EVP_Digest(msg.data(), msg.size(), digest, &digest_len, md,
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nullptr)) {
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return false;
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}
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bssl::UniquePtr<ECDSA_SIG> sig(ECDSA_do_sign(digest, digest_len, key.get()));
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if (!sig) {
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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> r_bytes(order_len), s_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(r_bytes.data(), r_bytes.size(), sig->r) ||
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!BN_bn2bin_padded(s_bytes.data(), s_bytes.size(), sig->s)) {
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return false;
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}
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printf("%sQx = %s\r\nQy = %s\r\nR = %s\r\nS = %s\r\n\r\n",
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t->CurrentTestToString().c_str(),
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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(r_bytes.data(), r_bytes.size()).c_str(),
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EncodeHex(s_bytes.data(), s_bytes.size()).c_str());
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return true;
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}
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static bool TestECDSA2SigGen(FileTest *t, void *arg) {
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return TestECDSA2SigGenImpl(t, false);
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}
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static bool TestECDSA2SigGenComponent(FileTest *t, void *arg) {
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return TestECDSA2SigGenImpl(t, true);
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}
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int cavp_ecdsa2_siggen_test_main(int argc, char **argv) {
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if (argc != 3) {
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fprintf(stderr, "usage: %s (SigGen|SigGenComponent) <test file>\n",
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argv[0]);
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return 1;
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}
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static bool (*test_func)(FileTest *, void *);
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if (strcmp(argv[1], "SigGen") == 0) {
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test_func = TestECDSA2SigGen;
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} else if (strcmp(argv[1], "SigGenComponent") == 0) {
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test_func = TestECDSA2SigGenComponent;
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} else {
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fprintf(stderr, "Unknown test type: %s\n", argv[1]);
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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(test_func, nullptr, argv[2]);
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}
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