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@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 */
omac_test(void)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