7d53128d35
BUG=129 Change-Id: I6578da36c4e9fb1464c79bf03b0a800ed25c7957 Reviewed-on: https://boringssl-review.googlesource.com/15464 Commit-Queue: Steven Valdez <svaldez@google.com> Reviewed-by: Steven Valdez <svaldez@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
107 lines
3.8 KiB
C++
107 lines
3.8 KiB
C++
/* Copyright (c) 2015, 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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#include <stdio.h>
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#include <algorithm>
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#include <gtest/gtest.h>
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#include <openssl/cipher.h>
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#include <openssl/cmac.h>
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#include <openssl/mem.h>
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#include "../test/test_util.h"
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static void test(const char *name, const uint8_t *key, size_t key_len,
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const uint8_t *msg, size_t msg_len, const uint8_t *expected) {
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SCOPED_TRACE(name);
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// Test the single-shot API.
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uint8_t out[16];
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ASSERT_TRUE(AES_CMAC(out, key, key_len, msg, msg_len));
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EXPECT_EQ(Bytes(expected, sizeof(out)), Bytes(out));
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bssl::UniquePtr<CMAC_CTX> ctx(CMAC_CTX_new());
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ASSERT_TRUE(ctx);
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ASSERT_TRUE(CMAC_Init(ctx.get(), key, key_len, EVP_aes_128_cbc(), NULL));
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for (unsigned chunk_size = 1; chunk_size <= msg_len; chunk_size++) {
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SCOPED_TRACE(chunk_size);
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ASSERT_TRUE(CMAC_Reset(ctx.get()));
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size_t done = 0;
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while (done < msg_len) {
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size_t todo = std::min(msg_len - done, static_cast<size_t>(chunk_size));
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ASSERT_TRUE(CMAC_Update(ctx.get(), msg + done, todo));
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done += todo;
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}
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size_t out_len;
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ASSERT_TRUE(CMAC_Final(ctx.get(), out, &out_len));
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EXPECT_EQ(Bytes(expected, sizeof(out)), Bytes(out, out_len));
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}
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}
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TEST(CMACTest, RFC4493TestVectors) {
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static const uint8_t kKey[16] = {
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0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
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0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,
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};
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static const uint8_t kOut1[16] = {
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0xbb, 0x1d, 0x69, 0x29, 0xe9, 0x59, 0x37, 0x28,
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0x7f, 0xa3, 0x7d, 0x12, 0x9b, 0x75, 0x67, 0x46,
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};
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static const uint8_t kMsg2[] = {
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0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
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0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
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};
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static const uint8_t kOut2[16] = {
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0x07, 0x0a, 0x16, 0xb4, 0x6b, 0x4d, 0x41, 0x44,
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0xf7, 0x9b, 0xdd, 0x9d, 0xd0, 0x4a, 0x28, 0x7c,
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};
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static const uint8_t kMsg3[] = {
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0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
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0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
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0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
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0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
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0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
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};
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static const uint8_t kOut3[16] = {
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0xdf, 0xa6, 0x67, 0x47, 0xde, 0x9a, 0xe6, 0x30,
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0x30, 0xca, 0x32, 0x61, 0x14, 0x97, 0xc8, 0x27,
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};
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static const uint8_t kMsg4[] = {
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0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
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0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
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0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
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0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
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0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
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0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
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0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
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0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10,
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};
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static const uint8_t kOut4[16] = {
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0x51, 0xf0, 0xbe, 0xbf, 0x7e, 0x3b, 0x9d, 0x92,
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0xfc, 0x49, 0x74, 0x17, 0x79, 0x36, 0x3c, 0xfe,
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};
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test("RFC 4493 #1", kKey, sizeof(kKey), NULL, 0, kOut1);
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test("RFC 4493 #2", kKey, sizeof(kKey), kMsg2, sizeof(kMsg2), kOut2);
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test("RFC 4493 #3", kKey, sizeof(kKey), kMsg3, sizeof(kMsg3), kOut3);
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test("RFC 4493 #4", kKey, sizeof(kKey), kMsg4, sizeof(kMsg4), kOut4);
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}
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