1 /* Copyright (c) 2015, Google Inc. 2 * 3 * Permission to use, copy, modify, and/or distribute this software for any 4 * purpose with or without fee is hereby granted, provided that the above 5 * copyright notice and this permission notice appear in all copies. 6 * 7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ 14 15 #include <stdio.h> 16 #include <string.h> 17 18 #include <vector> 19 20 #include <openssl/crypto.h> 21 #include <openssl/poly1305.h> 22 23 #include "../test/file_test.h" 24 25 26 // |CRYPTO_poly1305_finish| requires a 16-byte-aligned output. 27 #if defined(OPENSSL_WINDOWS) 28 // MSVC doesn't support C++11 |alignas|. 29 #define ALIGNED __declspec(align(16)) 30 #else 31 #define ALIGNED alignas(16) 32 #endif 33 34 static bool TestPoly1305(FileTest *t, void *arg) { 35 std::vector<uint8_t> key, in, mac; 36 if (!t->GetBytes(&key, "Key") || 37 !t->GetBytes(&in, "Input") || 38 !t->GetBytes(&mac, "MAC")) { 39 return false; 40 } 41 if (key.size() != 32 || mac.size() != 16) { 42 t->PrintLine("Invalid test"); 43 return false; 44 } 45 46 // Test single-shot operation. 47 poly1305_state state; 48 CRYPTO_poly1305_init(&state, key.data()); 49 CRYPTO_poly1305_update(&state, in.data(), in.size()); 50 ALIGNED uint8_t out[16]; 51 CRYPTO_poly1305_finish(&state, out); 52 if (!t->ExpectBytesEqual(out, 16, mac.data(), mac.size())) { 53 t->PrintLine("Single-shot Poly1305 failed."); 54 return false; 55 } 56 57 // Test streaming byte-by-byte. 58 CRYPTO_poly1305_init(&state, key.data()); 59 for (size_t i = 0; i < in.size(); i++) { 60 CRYPTO_poly1305_update(&state, &in[i], 1); 61 } 62 CRYPTO_poly1305_finish(&state, out); 63 if (!t->ExpectBytesEqual(out, 16, mac.data(), mac.size())) { 64 t->PrintLine("Streaming Poly1305 failed."); 65 return false; 66 } 67 68 return true; 69 } 70 71 int main(int argc, char **argv) { 72 CRYPTO_library_init(); 73 74 if (argc != 2) { 75 fprintf(stderr, "%s <test file>\n", argv[0]); 76 return 1; 77 } 78 79 return FileTestMain(TestPoly1305, nullptr, argv[1]); 80 } 81