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>
132 lines
3.9 KiB
C++
132 lines
3.9 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_rsa2_siggen_test processes NIST CAVP RSA2 SigGen test vector request
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// files and emits the corresponding 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/rsa.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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namespace {
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struct TestCtx {
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bssl::UniquePtr<RSA> key;
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bool is_pss;
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};
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}
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static bool TestRSA2SigGen(FileTest *t, void *arg) {
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TestCtx *ctx = reinterpret_cast<TestCtx *>(arg);
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std::string mod_str, hash;
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std::vector<uint8_t> msg;
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if (!t->GetInstruction(&mod_str, "mod") ||
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!t->GetAttribute(&hash, "SHAAlg") ||
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!t->GetBytes(&msg, "Msg")) {
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return false;
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}
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std::string test = t->CurrentTestToString();
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if (t->IsAtNewInstructionBlock()) {
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int mod_bits = strtoul(mod_str.c_str(), nullptr, 0);
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ctx->key = bssl::UniquePtr<RSA>(RSA_new());
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bssl::UniquePtr<BIGNUM> e(BN_new());
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if (ctx->key == nullptr ||
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mod_bits == 0 ||
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!BN_set_word(e.get(), RSA_F4) ||
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!RSA_generate_key_ex(ctx->key.get(), mod_bits, e.get(), nullptr)) {
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return false;
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}
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const BIGNUM *n;
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RSA_get0_key(ctx->key.get(), &n, nullptr, nullptr);
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std::vector<uint8_t> n_bytes(BN_num_bytes(n));
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std::vector<uint8_t> e_bytes(BN_num_bytes(e.get()));
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if (!BN_bn2bin_padded(n_bytes.data(), n_bytes.size(), n) ||
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!BN_bn2bin_padded(e_bytes.data(), e_bytes.size(), e.get())) {
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return false;
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}
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printf("[mod = %s]\r\n\r\nn = %s\r\n\r\ne = %s",
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mod_str.c_str(),
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EncodeHex(n_bytes.data(), n_bytes.size()).c_str(),
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EncodeHex(e_bytes.data(), e_bytes.size()).c_str());
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test = test.substr(test.find("]") + 3);
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}
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const EVP_MD *md = EVP_get_digestbyname(hash.c_str());
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uint8_t digest_buf[EVP_MAX_MD_SIZE];
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std::vector<uint8_t> sig(RSA_size(ctx->key.get()));
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unsigned digest_len;
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size_t sig_len;
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if (md == NULL ||
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!EVP_Digest(msg.data(), msg.size(), digest_buf, &digest_len, md, NULL)) {
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return false;
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}
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if (ctx->is_pss) {
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if (!RSA_sign_pss_mgf1(ctx->key.get(), &sig_len, sig.data(), sig.size(),
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digest_buf, digest_len, md, md, -1)) {
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return false;
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}
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} else {
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unsigned sig_len_u;
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if (!RSA_sign(EVP_MD_type(md), digest_buf, digest_len, sig.data(),
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&sig_len_u, ctx->key.get())) {
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return false;
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}
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sig_len = sig_len_u;
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}
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printf("%sS = %s\r\n\r\n", test.c_str(),
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EncodeHex(sig.data(), sig_len).c_str());
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return true;
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}
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int cavp_rsa2_siggen_test_main(int argc, char **argv) {
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if (argc != 3) {
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fprintf(stderr, "usage: %s (pkcs15|pss) <test file>\n",
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argv[0]);
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return 1;
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}
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TestCtx ctx;
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if (strcmp(argv[1], "pkcs15") == 0) {
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ctx = {nullptr, false};
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} else if (strcmp(argv[1], "pss") == 0) {
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ctx = {nullptr, true};
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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(TestRSA2SigGen, &ctx, argv[2]);
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}
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