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 pmac_test.c
14    PMAC implementation, self-test, by Tom St Denis
15 */
16 
17 
18 #ifdef LTC_PMAC
19 
20 /**
21    Test the LTC_OMAC implementation
22    @return CRYPT_OK if successful, CRYPT_NOP if testing has been disabled
23 */
pmac_test(void)24 int pmac_test(void)
25 {
26 #if !defined(LTC_TEST)
27     return CRYPT_NOP;
28 #else
29     static const struct {
30         int msglen;
31         unsigned char key[16], msg[34], tag[16];
32     } tests[] = {
33 
34    /* PMAC-AES-128-0B */
35 {
36    0,
37    /* key */
38    { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
39      0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
40    /* msg */
41    { 0x00 },
42    /* tag */
43    { 0x43, 0x99, 0x57, 0x2c, 0xd6, 0xea, 0x53, 0x41,
44      0xb8, 0xd3, 0x58, 0x76, 0xa7, 0x09, 0x8a, 0xf7 }
45 },
46 
47    /* PMAC-AES-128-3B */
48 {
49    3,
50    /* key */
51    { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
52      0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
53    /* msg */
54    { 0x00, 0x01, 0x02 },
55    /* tag */
56    { 0x25, 0x6b, 0xa5, 0x19, 0x3c, 0x1b, 0x99, 0x1b,
57      0x4d, 0xf0, 0xc5, 0x1f, 0x38, 0x8a, 0x9e, 0x27 }
58 },
59 
60    /* PMAC-AES-128-16B */
61 {
62    16,
63    /* key */
64    { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
65      0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
66    /* msg */
67    { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
68      0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
69    /* tag */
70    { 0xeb, 0xbd, 0x82, 0x2f, 0xa4, 0x58, 0xda, 0xf6,
71      0xdf, 0xda, 0xd7, 0xc2, 0x7d, 0xa7, 0x63, 0x38 }
72 },
73 
74    /* PMAC-AES-128-20B */
75 {
76    20,
77    /* key */
78    { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
79      0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
80    /* msg */
81    { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
82      0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
83      0x10, 0x11, 0x12, 0x13 },
84    /* tag */
85    { 0x04, 0x12, 0xca, 0x15, 0x0b, 0xbf, 0x79, 0x05,
86      0x8d, 0x8c, 0x75, 0xa5, 0x8c, 0x99, 0x3f, 0x55 }
87 },
88 
89    /* PMAC-AES-128-32B */
90 {
91    32,
92    /* key */
93    { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
94      0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
95    /* msg */
96    { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
97      0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
98      0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
99      0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
100    /* tag */
101    { 0xe9, 0x7a, 0xc0, 0x4e, 0x9e, 0x5e, 0x33, 0x99,
102      0xce, 0x53, 0x55, 0xcd, 0x74, 0x07, 0xbc, 0x75 }
103 },
104 
105    /* PMAC-AES-128-34B */
106 {
107    34,
108    /* key */
109    { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
110      0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
111    /* msg */
112    { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
113      0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
114      0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
115      0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
116      0x20, 0x21 },
117    /* tag */
118    { 0x5c, 0xba, 0x7d, 0x5e, 0xb2, 0x4f, 0x7c, 0x86,
119      0xcc, 0xc5, 0x46, 0x04, 0xe5, 0x3d, 0x55, 0x12 }
120 }
121 
122 };
123    int err, x, idx;
124    unsigned long len;
125    unsigned char outtag[MAXBLOCKSIZE];
126 
127     /* AES can be under rijndael or aes... try to find it */
128     if ((idx = find_cipher("aes")) == -1) {
129        if ((idx = find_cipher("rijndael")) == -1) {
130           return CRYPT_NOP;
131        }
132     }
133 
134     for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
135         len = sizeof(outtag);
136         if ((err = pmac_memory(idx, tests[x].key, 16, tests[x].msg, tests[x].msglen, outtag, &len)) != CRYPT_OK) {
137            return err;
138         }
139 
140         if (compare_testvector(outtag, len, tests[x].tag, sizeof(tests[x].tag), "PMAC", x)) {
141            return CRYPT_FAIL_TESTVECTOR;
142         }
143     }
144     return CRYPT_OK;
145 #endif /* LTC_TEST */
146 }
147 
148 #endif /* PMAC_MODE */
149 
150 
151 
152 
153 /* ref:         $Format:%D$ */
154 /* git commit:  $Format:%H$ */
155 /* commit time: $Format:%ai$ */
156