580be2b184
EVP_AEAD reused portions of EVP_CIPHER's GCM128_CONTEXT which contains both the key and intermediate state for each operation. (The legacy OpenSSL EVP_CIPHER API has no way to store just a key.) Split out a GCM128_KEY and store that instead. Change-Id: Ibc550084fa82963d3860346ed26f9cf170dceda5 Reviewed-on: https://boringssl-review.googlesource.com/32004 Commit-Queue: David Benjamin <davidben@google.com> Commit-Queue: Adam Langley <agl@google.com> Reviewed-by: Adam Langley <agl@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
122 lines
5.0 KiB
C++
122 lines
5.0 KiB
C++
/* ====================================================================
|
|
* Copyright (c) 2008 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* openssl-core@openssl.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ==================================================================== */
|
|
|
|
// Per C99, various stdint.h and inttypes.h macros (the latter used by
|
|
// internal.h) are unavailable in C++ unless some macros are defined. C++11
|
|
// overruled this decision, but older Android NDKs still require it.
|
|
#if !defined(__STDC_CONSTANT_MACROS)
|
|
#define __STDC_CONSTANT_MACROS
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include <vector>
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
#include <openssl/aes.h>
|
|
|
|
#include "internal.h"
|
|
#include "../../test/file_test.h"
|
|
#include "../../test/test_util.h"
|
|
|
|
|
|
TEST(GCMTest, TestVectors) {
|
|
FileTestGTest("crypto/fipsmodule/modes/gcm_tests.txt", [](FileTest *t) {
|
|
std::vector<uint8_t> key, plaintext, additional_data, nonce, ciphertext,
|
|
tag;
|
|
ASSERT_TRUE(t->GetBytes(&key, "Key"));
|
|
ASSERT_TRUE(t->GetBytes(&plaintext, "Plaintext"));
|
|
ASSERT_TRUE(t->GetBytes(&additional_data, "AdditionalData"));
|
|
ASSERT_TRUE(t->GetBytes(&nonce, "Nonce"));
|
|
ASSERT_TRUE(t->GetBytes(&ciphertext, "Ciphertext"));
|
|
ASSERT_TRUE(t->GetBytes(&tag, "Tag"));
|
|
|
|
ASSERT_EQ(plaintext.size(), ciphertext.size());
|
|
ASSERT_TRUE(key.size() == 16 || key.size() == 24 || key.size() == 32);
|
|
ASSERT_EQ(16u, tag.size());
|
|
|
|
std::vector<uint8_t> out(plaintext.size());
|
|
AES_KEY aes_key;
|
|
ASSERT_EQ(0, AES_set_encrypt_key(key.data(), key.size() * 8, &aes_key));
|
|
|
|
GCM128_CONTEXT ctx;
|
|
OPENSSL_memset(&ctx, 0, sizeof(ctx));
|
|
CRYPTO_gcm128_init_key(&ctx.gcm_key, &aes_key, (block128_f)AES_encrypt, 0);
|
|
CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce.data(), nonce.size());
|
|
if (!additional_data.empty()) {
|
|
CRYPTO_gcm128_aad(&ctx, additional_data.data(), additional_data.size());
|
|
}
|
|
if (!plaintext.empty()) {
|
|
CRYPTO_gcm128_encrypt(&ctx, &aes_key, plaintext.data(), out.data(),
|
|
plaintext.size());
|
|
}
|
|
ASSERT_TRUE(CRYPTO_gcm128_finish(&ctx, tag.data(), tag.size()));
|
|
EXPECT_EQ(Bytes(ciphertext), Bytes(out));
|
|
|
|
CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce.data(), nonce.size());
|
|
OPENSSL_memset(out.data(), 0, out.size());
|
|
if (!additional_data.empty()) {
|
|
CRYPTO_gcm128_aad(&ctx, additional_data.data(), additional_data.size());
|
|
}
|
|
if (!ciphertext.empty()) {
|
|
CRYPTO_gcm128_decrypt(&ctx, &aes_key, ciphertext.data(), out.data(),
|
|
ciphertext.size());
|
|
}
|
|
ASSERT_TRUE(CRYPTO_gcm128_finish(&ctx, tag.data(), tag.size()));
|
|
EXPECT_EQ(Bytes(plaintext), Bytes(out));
|
|
});
|
|
}
|
|
|
|
TEST(GCMTest, ByteSwap) {
|
|
EXPECT_EQ(0x04030201u, CRYPTO_bswap4(0x01020304u));
|
|
EXPECT_EQ(UINT64_C(0x0807060504030201),
|
|
CRYPTO_bswap8(UINT64_C(0x0102030405060708)));
|
|
}
|