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 <openssl/aes.h> 19 #include <openssl/crypto.h> 20 21 22 static bool TestAES(const uint8_t *key, size_t key_len, 23 const uint8_t plaintext[AES_BLOCK_SIZE], 24 const uint8_t ciphertext[AES_BLOCK_SIZE]) { 25 AES_KEY aes_key; 26 if (AES_set_encrypt_key(key, key_len * 8, &aes_key) != 0) { 27 fprintf(stderr, "AES_set_encrypt_key failed\n"); 28 return false; 29 } 30 31 // Test encryption. 32 uint8_t block[AES_BLOCK_SIZE]; 33 AES_encrypt(plaintext, block, &aes_key); 34 if (memcmp(block, ciphertext, AES_BLOCK_SIZE) != 0) { 35 fprintf(stderr, "AES_encrypt gave the wrong output\n"); 36 return false; 37 } 38 39 // Test in-place encryption. 40 memcpy(block, plaintext, AES_BLOCK_SIZE); 41 AES_encrypt(block, block, &aes_key); 42 if (memcmp(block, ciphertext, AES_BLOCK_SIZE) != 0) { 43 fprintf(stderr, "AES_encrypt gave the wrong output\n"); 44 return false; 45 } 46 47 if (AES_set_decrypt_key(key, key_len * 8, &aes_key) != 0) { 48 fprintf(stderr, "AES_set_decrypt_key failed\n"); 49 return false; 50 } 51 52 // Test decryption. 53 AES_decrypt(ciphertext, block, &aes_key); 54 if (memcmp(block, plaintext, AES_BLOCK_SIZE) != 0) { 55 fprintf(stderr, "AES_decrypt gave the wrong output\n"); 56 return false; 57 } 58 59 // Test in-place decryption. 60 memcpy(block, ciphertext, AES_BLOCK_SIZE); 61 AES_decrypt(block, block, &aes_key); 62 if (memcmp(block, plaintext, AES_BLOCK_SIZE) != 0) { 63 fprintf(stderr, "AES_decrypt gave the wrong output\n"); 64 return false; 65 } 66 return true; 67 } 68 69 int main() { 70 CRYPTO_library_init(); 71 72 // Test vectors from FIPS-197, Appendix C. 73 if (!TestAES((const uint8_t *)"\x00\x01\x02\x03\x04\x05\x06\x07" 74 "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", 75 128 / 8, 76 (const uint8_t *)"\x00\x11\x22\x33\x44\x55\x66\x77" 77 "\x88\x99\xaa\xbb\xcc\xdd\xee\xff", 78 (const uint8_t *)"\x69\xc4\xe0\xd8\x6a\x7b\x04\x30" 79 "\xd8\xcd\xb7\x80\x70\xb4\xc5\x5a") || 80 !TestAES((const uint8_t *)"\x00\x01\x02\x03\x04\x05\x06\x07" 81 "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f" 82 "\x10\x11\x12\x13\x14\x15\x16\x17", 83 192 / 8, 84 (const uint8_t *)"\x00\x11\x22\x33\x44\x55\x66\x77" 85 "\x88\x99\xaa\xbb\xcc\xdd\xee\xff", 86 (const uint8_t *)"\xdd\xa9\x7c\xa4\x86\x4c\xdf\xe0" 87 "\x6e\xaf\x70\xa0\xec\x0d\x71\x91") || 88 !TestAES((const uint8_t *)"\x00\x01\x02\x03\x04\x05\x06\x07" 89 "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f" 90 "\x10\x11\x12\x13\x14\x15\x16\x17" 91 "\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f", 92 256 / 8, 93 (const uint8_t *)"\x00\x11\x22\x33\x44\x55\x66\x77" 94 "\x88\x99\xaa\xbb\xcc\xdd\xee\xff", 95 (const uint8_t *)"\x8e\xa2\xb7\xca\x51\x67\x45\xbf" 96 "\xea\xfc\x49\x90\x4b\x49\x60\x89")) { 97 return false; 98 } 99 100 printf("PASS\n"); 101 return 0; 102 } 103
