--- /dev/null
+/* ====================================================================
+ * 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;
+ CRYPTO_gcm128_init(&ctx, &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)));
+}