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 lrw_test.c
15 LRW_MODE implementation, test LRW, Tom St Denis
16 */
17
18 #ifdef LTC_LRW_MODE
19
20 /**
21 Test LRW against specs
22 @return CRYPT_OK if goodly
23 */
lrw_test(void)24 int lrw_test(void)
25 {
26 #ifndef LTC_TEST
27 return CRYPT_NOP;
28 #else
29 static const struct {
30 unsigned char key[16], tweak[16], IV[16], P[16], expected_tweak[16], C[16];
31 } tests[] = {
32
33 {
34 { 0x45, 0x62, 0xac, 0x25, 0xf8, 0x28, 0x17, 0x6d, 0x4c, 0x26, 0x84, 0x14, 0xb5, 0x68, 0x01, 0x85 },
35 { 0x25, 0x8e, 0x2a, 0x05, 0xe7, 0x3e, 0x9d, 0x03, 0xee, 0x5a, 0x83, 0x0c, 0xcc, 0x09, 0x4c, 0x87 },
36 { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
37 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
38 { 0x25, 0x8e, 0x2a, 0x05, 0xe7, 0x3e, 0x9d, 0x03, 0xee, 0x5a, 0x83, 0x0c, 0xcc, 0x09, 0x4c, 0x87 },
39 { 0xf1, 0xb2, 0x73, 0xcd, 0x65, 0xa3, 0xdf, 0x5f, 0xe9, 0x5d, 0x48, 0x92, 0x54, 0x63, 0x4e, 0xb8 }
40 },
41
42 {
43 { 0x59, 0x70, 0x47, 0x14, 0xf5, 0x57, 0x47, 0x8c, 0xd7, 0x79, 0xe8, 0x0f, 0x54, 0x88, 0x79, 0x44 },
44 { 0x35, 0x23, 0xc2, 0xde, 0xc5, 0x69, 0x4f, 0xa8, 0x72, 0xa9, 0xac, 0xa7, 0x0b, 0x2b, 0xee, 0xbc },
45 { 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
46 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
47 { 0x1a, 0x91, 0xe1, 0x6f, 0x62, 0xb4, 0xa7, 0xd4, 0x39, 0x54, 0xd6, 0x53, 0x85, 0x95, 0xf7, 0x5e },
48 { 0x00, 0xc8, 0x2b, 0xae, 0x95, 0xbb, 0xcd, 0xe5, 0x27, 0x4f, 0x07, 0x69, 0xb2, 0x60, 0xe1, 0x36 },
49 },
50
51 {
52 { 0x59, 0x70, 0x47, 0x14, 0xf5, 0x57, 0x47, 0x8c, 0xd7, 0x79, 0xe8, 0x0f, 0x54, 0x88, 0x79, 0x44 },
53 { 0x67, 0x53, 0xc9, 0x0c, 0xb7, 0xd8, 0xcd, 0xe5, 0x06, 0xa0, 0x47, 0x78, 0x1a, 0xad, 0x85, 0x11 },
54 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 },
55 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
56 { 0x1a, 0x91, 0xe1, 0x6f, 0x62, 0xb4, 0xa7, 0xd4, 0x39, 0x54, 0xd6, 0x53, 0x85, 0x95, 0xf7, 0x5e },
57 { 0x00, 0xc8, 0x2b, 0xae, 0x95, 0xbb, 0xcd, 0xe5, 0x27, 0x4f, 0x07, 0x69, 0xb2, 0x60, 0xe1, 0x36 },
58 },
59
60 {
61
62 { 0xd8, 0x2a, 0x91, 0x34, 0xb2, 0x6a, 0x56, 0x50, 0x30, 0xfe, 0x69, 0xe2, 0x37, 0x7f, 0x98, 0x47 },
63 { 0x4e, 0xb5, 0x5d, 0x31, 0x05, 0x97, 0x3a, 0x3f, 0x5e, 0x23, 0xda, 0xfb, 0x5a, 0x45, 0xd6, 0xc0 },
64 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00 },
65 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
66 { 0x18, 0xc9, 0x1f, 0x6d, 0x60, 0x1a, 0x1a, 0x37, 0x5d, 0x0b, 0x0e, 0xf7, 0x3a, 0xd5, 0x74, 0xc4 },
67 { 0x76, 0x32, 0x21, 0x83, 0xed, 0x8f, 0xf1, 0x82, 0xf9, 0x59, 0x62, 0x03, 0x69, 0x0e, 0x5e, 0x01 },
68
69 }
70 };
71
72 int idx, err, x;
73 symmetric_LRW lrw;
74 unsigned char buf[2][16];
75
76 idx = find_cipher("aes");
77 if (idx == -1) {
78 idx = find_cipher("rijndael");
79 if (idx == -1) {
80 return CRYPT_NOP;
81 }
82 }
83
84 for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
85 /* schedule it */
86 if ((err = lrw_start(idx, tests[x].IV, tests[x].key, 16, tests[x].tweak, 0, &lrw)) != CRYPT_OK) {
87 return err;
88 }
89
90 /* check pad against expected tweak */
91 if (XMEMCMP(tests[x].expected_tweak, lrw.pad, 16)) {
92 lrw_done(&lrw);
93 return CRYPT_FAIL_TESTVECTOR;
94 }
95
96 /* process block */
97 if ((err = lrw_encrypt(tests[x].P, buf[0], 16, &lrw)) != CRYPT_OK) {
98 lrw_done(&lrw);
99 return err;
100 }
101
102 if (XMEMCMP(buf[0], tests[x].C, 16)) {
103 lrw_done(&lrw);
104 return CRYPT_FAIL_TESTVECTOR;
105 }
106
107 /* process block */
108 if ((err = lrw_setiv(tests[x].IV, 16, &lrw)) != CRYPT_OK) {
109 lrw_done(&lrw);
110 return err;
111 }
112
113 if ((err = lrw_decrypt(buf[0], buf[1], 16, &lrw)) != CRYPT_OK) {
114 lrw_done(&lrw);
115 return err;
116 }
117
118 if (XMEMCMP(buf[1], tests[x].P, 16)) {
119 lrw_done(&lrw);
120 return CRYPT_FAIL_TESTVECTOR;
121 }
122 if ((err = lrw_done(&lrw)) != CRYPT_OK) {
123 return err;
124 }
125 }
126 return CRYPT_OK;
127 #endif
128 }
129
130 #endif
131
132
133
134 /* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_test.c,v $ */
135 /* $Revision: 1.11 $ */
136 /* $Date: 2006/06/29 01:53:13 $ */
137