1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis 2 * 3 * LibTomCrypt is a library that provides various cryptographic 4 * algorithms in a highly modular and flexible manner. 5 * 6 * The library is free for all purposes without any express 7 * guarantee it works. 8 * 9 * Tom St Denis, tomstdenis (at) gmail.com, http://libtomcrypt.com 10 */ 11 #include "tomcrypt.h" 12 13 /** 14 @file omac_test.c 15 OMAC1 support, self-test, by Tom St Denis 16 */ 17 18 #ifdef LTC_OMAC 19 20 /** 21 Test the OMAC setup 22 @return CRYPT_OK if successful, CRYPT_NOP if tests have been disabled 23 */ 24 int omac_test(void) 25 { 26 #if !defined(LTC_TEST) 27 return CRYPT_NOP; 28 #else 29 static const struct { 30 int keylen, msglen; 31 unsigned char key[16], msg[64], tag[16]; 32 } tests[] = { 33 { 16, 0, 34 { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 35 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c }, 36 { 0x00 }, 37 { 0xbb, 0x1d, 0x69, 0x29, 0xe9, 0x59, 0x37, 0x28, 38 0x7f, 0xa3, 0x7d, 0x12, 0x9b, 0x75, 0x67, 0x46 } 39 }, 40 { 16, 16, 41 { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 42 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c }, 43 { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 44 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a }, 45 { 0x07, 0x0a, 0x16, 0xb4, 0x6b, 0x4d, 0x41, 0x44, 46 0xf7, 0x9b, 0xdd, 0x9d, 0xd0, 0x4a, 0x28, 0x7c } 47 }, 48 { 16, 40, 49 { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 50 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c }, 51 { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 52 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, 53 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 54 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, 55 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11 }, 56 { 0xdf, 0xa6, 0x67, 0x47, 0xde, 0x9a, 0xe6, 0x30, 57 0x30, 0xca, 0x32, 0x61, 0x14, 0x97, 0xc8, 0x27 } 58 }, 59 { 16, 64, 60 { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 61 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c }, 62 { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 63 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, 64 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 65 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, 66 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 67 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, 68 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 69 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 }, 70 { 0x51, 0xf0, 0xbe, 0xbf, 0x7e, 0x3b, 0x9d, 0x92, 71 0xfc, 0x49, 0x74, 0x17, 0x79, 0x36, 0x3c, 0xfe } 72 } 73 74 }; 75 unsigned char out[16]; 76 int x, err, idx; 77 unsigned long len; 78 79 80 /* AES can be under rijndael or aes... try to find it */ 81 if ((idx = find_cipher("aes")) == -1) { 82 if ((idx = find_cipher("rijndael")) == -1) { 83 return CRYPT_NOP; 84 } 85 } 86 87 for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) { 88 len = sizeof(out); 89 if ((err = omac_memory(idx, tests[x].key, tests[x].keylen, tests[x].msg, tests[x].msglen, out, &len)) != CRYPT_OK) { 90 return err; 91 } 92 93 if (XMEMCMP(out, tests[x].tag, 16) != 0) { 94 #if 0 95 int y; 96 printf("\n\nTag: "); 97 for (y = 0; y < 16; y++) printf("%02x", out[y]); printf("\n\n"); 98 #endif 99 return CRYPT_FAIL_TESTVECTOR; 100 } 101 } 102 return CRYPT_OK; 103 #endif 104 } 105 106 #endif 107 108 /* $Source: /cvs/libtom/libtomcrypt/src/mac/omac/omac_test.c,v $ */ 109 /* $Revision: 1.6 $ */ 110 /* $Date: 2006/11/03 00:39:49 $ */ 111
