1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
3 #include "tomcrypt_private.h"
4
5 /**
6 @file lrw_test.c
7 LRW_MODE implementation, test LRW, Tom St Denis
8 */
9
10 #ifdef LTC_LRW_MODE
11
12 /**
13 Test LRW against specs
14 @return CRYPT_OK if goodly
15 */
lrw_test(void)16 int lrw_test(void)
17 {
18 #ifndef LTC_TEST
19 return CRYPT_NOP;
20 #else
21 static const struct {
22 unsigned char key[16], tweak[16], IV[16], P[16], expected_tweak[16], C[16];
23 } tests[] = {
24
25 {
26 { 0x45, 0x62, 0xac, 0x25, 0xf8, 0x28, 0x17, 0x6d, 0x4c, 0x26, 0x84, 0x14, 0xb5, 0x68, 0x01, 0x85 },
27 { 0x25, 0x8e, 0x2a, 0x05, 0xe7, 0x3e, 0x9d, 0x03, 0xee, 0x5a, 0x83, 0x0c, 0xcc, 0x09, 0x4c, 0x87 },
28 { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
29 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
30 { 0x25, 0x8e, 0x2a, 0x05, 0xe7, 0x3e, 0x9d, 0x03, 0xee, 0x5a, 0x83, 0x0c, 0xcc, 0x09, 0x4c, 0x87 },
31 { 0xf1, 0xb2, 0x73, 0xcd, 0x65, 0xa3, 0xdf, 0x5f, 0xe9, 0x5d, 0x48, 0x92, 0x54, 0x63, 0x4e, 0xb8 }
32 },
33
34 {
35 { 0x59, 0x70, 0x47, 0x14, 0xf5, 0x57, 0x47, 0x8c, 0xd7, 0x79, 0xe8, 0x0f, 0x54, 0x88, 0x79, 0x44 },
36 { 0x35, 0x23, 0xc2, 0xde, 0xc5, 0x69, 0x4f, 0xa8, 0x72, 0xa9, 0xac, 0xa7, 0x0b, 0x2b, 0xee, 0xbc },
37 { 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
38 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
39 { 0x1a, 0x91, 0xe1, 0x6f, 0x62, 0xb4, 0xa7, 0xd4, 0x39, 0x54, 0xd6, 0x53, 0x85, 0x95, 0xf7, 0x5e },
40 { 0x00, 0xc8, 0x2b, 0xae, 0x95, 0xbb, 0xcd, 0xe5, 0x27, 0x4f, 0x07, 0x69, 0xb2, 0x60, 0xe1, 0x36 },
41 },
42
43 {
44 { 0x59, 0x70, 0x47, 0x14, 0xf5, 0x57, 0x47, 0x8c, 0xd7, 0x79, 0xe8, 0x0f, 0x54, 0x88, 0x79, 0x44 },
45 { 0x67, 0x53, 0xc9, 0x0c, 0xb7, 0xd8, 0xcd, 0xe5, 0x06, 0xa0, 0x47, 0x78, 0x1a, 0xad, 0x85, 0x11 },
46 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 },
47 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
48 { 0x1a, 0x91, 0xe1, 0x6f, 0x62, 0xb4, 0xa7, 0xd4, 0x39, 0x54, 0xd6, 0x53, 0x85, 0x95, 0xf7, 0x5e },
49 { 0x00, 0xc8, 0x2b, 0xae, 0x95, 0xbb, 0xcd, 0xe5, 0x27, 0x4f, 0x07, 0x69, 0xb2, 0x60, 0xe1, 0x36 },
50 },
51
52 {
53
54 { 0xd8, 0x2a, 0x91, 0x34, 0xb2, 0x6a, 0x56, 0x50, 0x30, 0xfe, 0x69, 0xe2, 0x37, 0x7f, 0x98, 0x47 },
55 { 0x4e, 0xb5, 0x5d, 0x31, 0x05, 0x97, 0x3a, 0x3f, 0x5e, 0x23, 0xda, 0xfb, 0x5a, 0x45, 0xd6, 0xc0 },
56 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00 },
57 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
58 { 0x18, 0xc9, 0x1f, 0x6d, 0x60, 0x1a, 0x1a, 0x37, 0x5d, 0x0b, 0x0e, 0xf7, 0x3a, 0xd5, 0x74, 0xc4 },
59 { 0x76, 0x32, 0x21, 0x83, 0xed, 0x8f, 0xf1, 0x82, 0xf9, 0x59, 0x62, 0x03, 0x69, 0x0e, 0x5e, 0x01 },
60
61 }
62 };
63
64 int idx, err, x;
65 symmetric_LRW lrw;
66 unsigned char buf[2][16];
67
68 idx = find_cipher("aes");
69 if (idx == -1) {
70 idx = find_cipher("rijndael");
71 if (idx == -1) {
72 return CRYPT_NOP;
73 }
74 }
75
76 for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
77 /* schedule it */
78 if ((err = lrw_start(idx, tests[x].IV, tests[x].key, 16, tests[x].tweak, 0, &lrw)) != CRYPT_OK) {
79 return err;
80 }
81
82 /* check pad against expected tweak */
83 if (compare_testvector(tests[x].expected_tweak, 16, lrw.pad, 16, "LRW Tweak", x)) {
84 lrw_done(&lrw);
85 return CRYPT_FAIL_TESTVECTOR;
86 }
87
88 /* process block */
89 if ((err = lrw_encrypt(tests[x].P, buf[0], 16, &lrw)) != CRYPT_OK) {
90 lrw_done(&lrw);
91 return err;
92 }
93
94 if (compare_testvector(buf[0], 16, tests[x].C, 16, "LRW Encrypt", x)) {
95 lrw_done(&lrw);
96 return CRYPT_FAIL_TESTVECTOR;
97 }
98
99 /* process block */
100 if ((err = lrw_setiv(tests[x].IV, 16, &lrw)) != CRYPT_OK) {
101 lrw_done(&lrw);
102 return err;
103 }
104
105 if ((err = lrw_decrypt(buf[0], buf[1], 16, &lrw)) != CRYPT_OK) {
106 lrw_done(&lrw);
107 return err;
108 }
109
110 if (compare_testvector(buf[1], 16, tests[x].P, 16, "LRW Decrypt", x)) {
111 lrw_done(&lrw);
112 return CRYPT_FAIL_TESTVECTOR;
113 }
114 if ((err = lrw_done(&lrw)) != CRYPT_OK) {
115 return err;
116 }
117 }
118 return CRYPT_OK;
119 #endif
120 }
121
122 #endif
123
124
125