1 // SPDX-License-Identifier: BSD-2-Clause
2 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
3  *
4  * LibTomCrypt is a library that provides various cryptographic
5  * algorithms in a highly modular and flexible manner.
6  *
7  * The library is free for all purposes without any express
8  * guarantee it works.
9  */
10 #include "tomcrypt_private.h"
11 
12 /**
13    @file lrw_test.c
14    LRW_MODE implementation, test LRW, Tom St Denis
15 */
16 
17 #ifdef LTC_LRW_MODE
18 
19 /**
20   Test LRW against specs
21   @return CRYPT_OK if goodly
22 */
lrw_test(void)23 int lrw_test(void)
24 {
25 #ifndef  LTC_TEST
26    return CRYPT_NOP;
27 #else
28    static const struct {
29       unsigned char key[16], tweak[16], IV[16], P[16], expected_tweak[16], C[16];
30    } tests[] = {
31 
32 {
33 { 0x45, 0x62, 0xac, 0x25, 0xf8, 0x28, 0x17, 0x6d, 0x4c, 0x26, 0x84, 0x14, 0xb5, 0x68, 0x01, 0x85 },
34 { 0x25, 0x8e, 0x2a, 0x05, 0xe7, 0x3e, 0x9d, 0x03, 0xee, 0x5a, 0x83, 0x0c, 0xcc, 0x09, 0x4c, 0x87 },
35 { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
36 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
37 { 0x25, 0x8e, 0x2a, 0x05, 0xe7, 0x3e, 0x9d, 0x03, 0xee, 0x5a, 0x83, 0x0c, 0xcc, 0x09, 0x4c, 0x87 },
38 { 0xf1, 0xb2, 0x73, 0xcd, 0x65, 0xa3, 0xdf, 0x5f, 0xe9, 0x5d, 0x48, 0x92, 0x54, 0x63, 0x4e, 0xb8 }
39 },
40 
41 {
42 { 0x59, 0x70, 0x47, 0x14, 0xf5, 0x57, 0x47, 0x8c, 0xd7, 0x79, 0xe8, 0x0f, 0x54, 0x88, 0x79, 0x44 },
43 { 0x35, 0x23, 0xc2, 0xde, 0xc5, 0x69, 0x4f, 0xa8, 0x72, 0xa9, 0xac, 0xa7, 0x0b, 0x2b, 0xee, 0xbc },
44 { 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
45 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
46 { 0x1a, 0x91, 0xe1, 0x6f, 0x62, 0xb4, 0xa7, 0xd4, 0x39, 0x54, 0xd6, 0x53, 0x85, 0x95, 0xf7, 0x5e },
47 { 0x00, 0xc8, 0x2b, 0xae, 0x95, 0xbb, 0xcd, 0xe5, 0x27, 0x4f, 0x07, 0x69, 0xb2, 0x60, 0xe1, 0x36 },
48 },
49 
50 {
51 { 0x59, 0x70, 0x47, 0x14, 0xf5, 0x57, 0x47, 0x8c, 0xd7, 0x79, 0xe8, 0x0f, 0x54, 0x88, 0x79, 0x44 },
52 { 0x67, 0x53, 0xc9, 0x0c, 0xb7, 0xd8, 0xcd, 0xe5, 0x06, 0xa0, 0x47, 0x78, 0x1a, 0xad, 0x85, 0x11 },
53 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 },
54 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
55 { 0x1a, 0x91, 0xe1, 0x6f, 0x62, 0xb4, 0xa7, 0xd4, 0x39, 0x54, 0xd6, 0x53, 0x85, 0x95, 0xf7, 0x5e },
56 { 0x00, 0xc8, 0x2b, 0xae, 0x95, 0xbb, 0xcd, 0xe5, 0x27, 0x4f, 0x07, 0x69, 0xb2, 0x60, 0xe1, 0x36 },
57 },
58 
59 {
60 
61 { 0xd8, 0x2a, 0x91, 0x34, 0xb2, 0x6a, 0x56, 0x50, 0x30, 0xfe, 0x69, 0xe2, 0x37, 0x7f, 0x98, 0x47 },
62 { 0x4e, 0xb5, 0x5d, 0x31, 0x05, 0x97, 0x3a, 0x3f, 0x5e, 0x23, 0xda, 0xfb, 0x5a, 0x45, 0xd6, 0xc0 },
63 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00 },
64 { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
65 { 0x18, 0xc9, 0x1f, 0x6d, 0x60, 0x1a, 0x1a, 0x37, 0x5d, 0x0b, 0x0e, 0xf7, 0x3a, 0xd5, 0x74, 0xc4 },
66 { 0x76, 0x32, 0x21, 0x83, 0xed, 0x8f, 0xf1, 0x82, 0xf9, 0x59, 0x62, 0x03, 0x69, 0x0e, 0x5e, 0x01 },
67 
68 }
69 };
70 
71   int idx, err, x;
72   symmetric_LRW lrw;
73   unsigned char buf[2][16];
74 
75   idx = find_cipher("aes");
76   if (idx == -1) {
77      idx = find_cipher("rijndael");
78      if (idx == -1) {
79         return CRYPT_NOP;
80      }
81   }
82 
83   for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
84      /* schedule it */
85      if ((err = lrw_start(idx, tests[x].IV, tests[x].key, 16, tests[x].tweak, 0, &lrw)) != CRYPT_OK) {
86         return err;
87      }
88 
89      /* check pad against expected tweak */
90      if (compare_testvector(tests[x].expected_tweak, 16, lrw.pad, 16, "LRW Tweak", x)) {
91         lrw_done(&lrw);
92         return CRYPT_FAIL_TESTVECTOR;
93      }
94 
95      /* process block */
96      if ((err = lrw_encrypt(tests[x].P, buf[0], 16, &lrw)) != CRYPT_OK) {
97         lrw_done(&lrw);
98         return err;
99      }
100 
101      if (compare_testvector(buf[0], 16, tests[x].C, 16, "LRW Encrypt", x)) {
102         lrw_done(&lrw);
103         return CRYPT_FAIL_TESTVECTOR;
104      }
105 
106      /* process block */
107      if ((err = lrw_setiv(tests[x].IV, 16, &lrw)) != CRYPT_OK) {
108         lrw_done(&lrw);
109         return err;
110      }
111 
112      if ((err = lrw_decrypt(buf[0], buf[1], 16, &lrw)) != CRYPT_OK) {
113         lrw_done(&lrw);
114         return err;
115      }
116 
117      if (compare_testvector(buf[1], 16, tests[x].P, 16, "LRW Decrypt", x)) {
118         lrw_done(&lrw);
119         return CRYPT_FAIL_TESTVECTOR;
120      }
121      if ((err = lrw_done(&lrw)) != CRYPT_OK) {
122         return err;
123      }
124   }
125   return CRYPT_OK;
126 #endif
127 }
128 
129 #endif
130 
131 
132 
133 /* ref:         $Format:%D$ */
134 /* git commit:  $Format:%H$ */
135 /* commit time: $Format:%ai$ */
136