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/* Copyright (c) 2015, 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. */
#include <stdio.h>
#include <string.h>
#include <vector>
#include <openssl/crypto.h>
#include <openssl/poly1305.h>
#include "../test/file_test.h"
#include "../test/stl_compat.h"
// |CRYPTO_poly1305_finish| requires a 16-byte-aligned output.
#if defined(OPENSSL_WINDOWS)
// MSVC doesn't support C++11 |alignas|.
#define ALIGNED __declspec(align(16))
#else
#define ALIGNED alignas(16)
#endif
static bool TestPoly1305(FileTest *t, void *arg) {
std::vector<uint8_t> key, in, mac;
if (!t->GetBytes(&key, "Key") ||
!t->GetBytes(&in, "Input") ||
!t->GetBytes(&mac, "MAC")) {
return false;
}
if (key.size() != 32 || mac.size() != 16) {
t->PrintLine("Invalid test");
return false;
}
// Test single-shot operation.
poly1305_state state;
CRYPTO_poly1305_init(&state, bssl::vector_data(&key));
CRYPTO_poly1305_update(&state, bssl::vector_data(&in), in.size());
ALIGNED uint8_t out[16];
CRYPTO_poly1305_finish(&state, out);
if (!t->ExpectBytesEqual(out, 16, bssl::vector_data(&mac), mac.size())) {
t->PrintLine("Single-shot Poly1305 failed.");
return false;
}
// Test streaming byte-by-byte.
CRYPTO_poly1305_init(&state, bssl::vector_data(&key));
for (size_t i = 0; i < in.size(); i++) {
CRYPTO_poly1305_update(&state, &in[i], 1);
}
CRYPTO_poly1305_finish(&state, out);
if (!t->ExpectBytesEqual(out, 16, bssl::vector_data(&mac), mac.size())) {
t->PrintLine("Streaming Poly1305 failed.");
return false;
}
return true;
}
int main(int argc, char **argv) {
CRYPTO_library_init();
if (argc != 2) {
fprintf(stderr, "%s <test file>\n", argv[0]);
return 1;
}
return FileTestMain(TestPoly1305, nullptr, argv[1]);
}
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