| /* 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_keywrap_test processes a NIST CAVP AES test vector request file and |
| // emits the corresponding response. |
| |
| #include <stdlib.h> |
| |
| #include <openssl/aes.h> |
| #include <openssl/crypto.h> |
| |
| #include "../crypto/test/file_test.h" |
| #include "cavp_test_util.h" |
| |
| |
| namespace { |
| |
| struct TestCtx { |
| bool encrypt; |
| }; |
| |
| } |
| |
| static bool AESKeyWrap(std::vector<uint8_t> *out, bool encrypt, |
| const std::vector<uint8_t> &key, |
| const std::vector<uint8_t> &in) { |
| size_t key_bits = key.size() * 8; |
| if (key_bits != 128 && key_bits != 256) { |
| return false; |
| } |
| AES_KEY aes_key; |
| |
| if (encrypt) { |
| out->resize(in.size() + 8); |
| if (AES_set_encrypt_key(key.data(), key_bits, &aes_key) || |
| AES_wrap_key(&aes_key, nullptr, out->data(), in.data(), in.size()) == |
| -1) { |
| return false; |
| } |
| } else { |
| out->resize(in.size() - 8); |
| if (AES_set_decrypt_key(key.data(), key_bits, &aes_key) || |
| AES_unwrap_key(&aes_key, nullptr, out->data(), in.data(), in.size()) == |
| -1) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| static bool TestCipher(FileTest *t, void *arg) { |
| TestCtx *ctx = reinterpret_cast<TestCtx *>(arg); |
| |
| std::string count, unused, in_label = ctx->encrypt ? "P" : "C", |
| result_label = ctx->encrypt ? "C" : "P"; |
| std::vector<uint8_t> key, in, result; |
| // clang-format off |
| if (!t->GetInstruction(&unused, "PLAINTEXT LENGTH") || |
| !t->GetAttribute(&count, "COUNT") || |
| !t->GetBytes(&key, "K") || |
| !t->GetBytes(&in, in_label)) { |
| return false; |
| } |
| // clang-format on |
| |
| printf("%s", t->CurrentTestToString().c_str()); |
| if (!AESKeyWrap(&result, ctx->encrypt, key, in)) { |
| if (ctx->encrypt) { |
| return false; |
| } else { |
| printf("FAIL\r\n\r\n"); |
| } |
| } else { |
| printf("%s = %s\r\n\r\n", result_label.c_str(), |
| EncodeHex(result.data(), result.size()).c_str()); |
| } |
| |
| return true; |
| } |
| |
| static int usage(char *arg) { |
| fprintf( |
| stderr, |
| "usage: %s (enc|dec) (128|256) <test file>\n", |
| arg); |
| return 1; |
| } |
| |
| int cavp_keywrap_test_main(int argc, char **argv) { |
| if (argc != 4) { |
| return usage(argv[0]); |
| } |
| |
| const std::string op(argv[1]); |
| bool encrypt; |
| if (op == "enc") { |
| encrypt = true; |
| } else if (op == "dec") { |
| encrypt = false; |
| } else { |
| return usage(argv[0]); |
| } |
| |
| TestCtx ctx = {encrypt}; |
| |
| printf("# Generated by"); |
| for (int i = 0; i < argc; i++) { |
| printf(" %s", argv[i]); |
| } |
| printf("\r\n\r\n"); |
| |
| return FileTestMainSilent(TestCipher, &ctx, argv[3]); |
| } |