1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
3 #include "tomcrypt_private.h"
4
5 /**
6 @file xcbc_test.c
7 XCBC Support, Test XCBC-MAC mode
8 */
9
10 #ifdef LTC_XCBC
11
12 /** Test XCBC-MAC mode
13 Return CRYPT_OK on success
14 */
xcbc_test(void)15 int xcbc_test(void)
16 {
17 #ifdef LTC_NO_TEST
18 return CRYPT_NOP;
19 #else
20 static const struct {
21 int msglen;
22 unsigned char K[16], M[34], T[16];
23 } tests[] = {
24 {
25 0,
26 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
27 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
28
29 { 0 },
30
31 { 0x75, 0xf0, 0x25, 0x1d, 0x52, 0x8a, 0xc0, 0x1c,
32 0x45, 0x73, 0xdf, 0xd5, 0x84, 0xd7, 0x9f, 0x29 }
33 },
34
35 {
36 3,
37 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
38 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
39
40 { 0x00, 0x01, 0x02 },
41
42 { 0x5b, 0x37, 0x65, 0x80, 0xae, 0x2f, 0x19, 0xaf,
43 0xe7, 0x21, 0x9c, 0xee, 0xf1, 0x72, 0x75, 0x6f }
44 },
45
46 {
47 16,
48 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
49 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
50
51 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
52 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
53
54 { 0xd2, 0xa2, 0x46, 0xfa, 0x34, 0x9b, 0x68, 0xa7,
55 0x99, 0x98, 0xa4, 0x39, 0x4f, 0xf7, 0xa2, 0x63 }
56 },
57
58 {
59 32,
60 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
61 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
62
63 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
64 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
65 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
66 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
67
68 { 0xf5, 0x4f, 0x0e, 0xc8, 0xd2, 0xb9, 0xf3, 0xd3,
69 0x68, 0x07, 0x73, 0x4b, 0xd5, 0x28, 0x3f, 0xd4 }
70 },
71
72 {
73 34,
74 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
75 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
76
77 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
78 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
79 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
80 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
81 0x20, 0x21 },
82
83 { 0xbe, 0xcb, 0xb3, 0xbc, 0xcd, 0xb5, 0x18, 0xa3,
84 0x06, 0x77, 0xd5, 0x48, 0x1f, 0xb6, 0xb4, 0xd8 },
85 },
86
87
88
89 };
90 unsigned char T[16];
91 unsigned long taglen;
92 int err, x, idx;
93
94 /* AES can be under rijndael or aes... try to find it */
95 if ((idx = find_cipher("aes")) == -1) {
96 if ((idx = find_cipher("rijndael")) == -1) {
97 return CRYPT_NOP;
98 }
99 }
100
101 for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
102 taglen = 16;
103 if ((err = xcbc_memory(idx, tests[x].K, 16, tests[x].M, tests[x].msglen, T, &taglen)) != CRYPT_OK) {
104 return err;
105 }
106 if (compare_testvector(T, taglen, tests[x].T, 16, "XCBC", x)) {
107 return CRYPT_FAIL_TESTVECTOR;
108 }
109 }
110
111 return CRYPT_OK;
112 #endif
113 }
114
115 #endif
116
117