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comparison src/encauth/ocb/ocb_test.c @ 192:9cc34777b479 libtomcrypt

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propagate from branch 'au.asn.ucc.matt.ltc-orig' (head 9ba8f01f44320e9cb9f19881105ae84f84a43ea9) to branch 'au.asn.ucc.matt.dropbear.ltc' (head dbf51c569bc34956ad948e4cc87a0eeb2170b768)
author Matt Johnston <matt@ucc.asn.au>
date Sun, 08 May 2005 06:36:47 +0000
parents 1c15b283127b
children 39d5d58461d6
comparison
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164:cd1143579f00 192:9cc34777b479
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, [email protected], http://libtomcrypt.org
10 */
11
12 /**
13 @file ocb_test.c
14 OCB implementation, self-test by Tom St Denis
15 */
16 #include "tomcrypt.h"
17
18 #ifdef OCB_MODE
19
20 /**
21 Test the OCB protocol
22 @return CRYPT_OK if successful
23 */
24 int ocb_test(void)
25 {
26 #ifndef LTC_TEST
27 return CRYPT_NOP;
28 #else
29 static const struct {
30 int ptlen;
31 unsigned char key[16], nonce[16], pt[34], ct[34], tag[16];
32 } tests[] = {
33
34 /* OCB-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 /* nonce */
41 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
42 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
43 /* pt */
44 { 0 },
45 /* ct */
46 { 0 },
47 /* tag */
48 { 0x15, 0xd3, 0x7d, 0xd7, 0xc8, 0x90, 0xd5, 0xd6,
49 0xac, 0xab, 0x92, 0x7b, 0xc0, 0xdc, 0x60, 0xee },
50 },
51
52
53 /* OCB-AES-128-3B */
54 {
55 3,
56 /* key */
57 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
58 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
59 /* nonce */
60 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
61 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
62 /* pt */
63 { 0x00, 0x01, 0x02 },
64 /* ct */
65 { 0xfc, 0xd3, 0x7d },
66 /* tag */
67 { 0x02, 0x25, 0x47, 0x39, 0xa5, 0xe3, 0x56, 0x5a,
68 0xe2, 0xdc, 0xd6, 0x2c, 0x65, 0x97, 0x46, 0xba },
69 },
70
71 /* OCB-AES-128-16B */
72 {
73 16,
74 /* key */
75 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
76 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
77 /* nonce */
78 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
79 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
80 /* pt */
81 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
82 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
83 /* ct */
84 { 0x37, 0xdf, 0x8c, 0xe1, 0x5b, 0x48, 0x9b, 0xf3,
85 0x1d, 0x0f, 0xc4, 0x4d, 0xa1, 0xfa, 0xf6, 0xd6 },
86 /* tag */
87 { 0xdf, 0xb7, 0x63, 0xeb, 0xdb, 0x5f, 0x0e, 0x71,
88 0x9c, 0x7b, 0x41, 0x61, 0x80, 0x80, 0x04, 0xdf },
89 },
90
91 /* OCB-AES-128-20B */
92 {
93 20,
94 /* key */
95 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
96 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
97 /* nonce */
98 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
99 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
100 /* pt */
101 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
102 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
103 0x10, 0x11, 0x12, 0x13 },
104 /* ct */
105 { 0x01, 0xa0, 0x75, 0xf0, 0xd8, 0x15, 0xb1, 0xa4,
106 0xe9, 0xc8, 0x81, 0xa1, 0xbc, 0xff, 0xc3, 0xeb,
107 0x70, 0x03, 0xeb, 0x55},
108 /* tag */
109 { 0x75, 0x30, 0x84, 0x14, 0x4e, 0xb6, 0x3b, 0x77,
110 0x0b, 0x06, 0x3c, 0x2e, 0x23, 0xcd, 0xa0, 0xbb },
111 },
112
113 /* OCB-AES-128-32B */
114 {
115 32,
116 /* key */
117 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
118 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
119 /* nonce */
120 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
121 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
122 /* pt */
123 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
124 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
125 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
126 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
127 /* ct */
128 { 0x01, 0xa0, 0x75, 0xf0, 0xd8, 0x15, 0xb1, 0xa4,
129 0xe9, 0xc8, 0x81, 0xa1, 0xbc, 0xff, 0xc3, 0xeb,
130 0x4a, 0xfc, 0xbb, 0x7f, 0xed, 0xc0, 0x8c, 0xa8,
131 0x65, 0x4c, 0x6d, 0x30, 0x4d, 0x16, 0x12, 0xfa },
132
133 /* tag */
134 { 0xc1, 0x4c, 0xbf, 0x2c, 0x1a, 0x1f, 0x1c, 0x3c,
135 0x13, 0x7e, 0xad, 0xea, 0x1f, 0x2f, 0x2f, 0xcf },
136 },
137
138 /* OCB-AES-128-34B */
139 {
140 34,
141 /* key */
142 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
143 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
144 /* nonce */
145 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
146 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
147 /* pt */
148 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
149 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
150 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
151 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
152 0x20, 0x21 },
153 /* ct */
154 { 0x01, 0xa0, 0x75, 0xf0, 0xd8, 0x15, 0xb1, 0xa4,
155 0xe9, 0xc8, 0x81, 0xa1, 0xbc, 0xff, 0xc3, 0xeb,
156 0xd4, 0x90, 0x3d, 0xd0, 0x02, 0x5b, 0xa4, 0xaa,
157 0x83, 0x7c, 0x74, 0xf1, 0x21, 0xb0, 0x26, 0x0f,
158 0xa9, 0x5d },
159
160 /* tag */
161 { 0xcf, 0x83, 0x41, 0xbb, 0x10, 0x82, 0x0c, 0xcf,
162 0x14, 0xbd, 0xec, 0x56, 0xb8, 0xd7, 0xd6, 0xab },
163 },
164
165 };
166
167 int err, x, idx, res;
168 unsigned long len;
169 unsigned char outct[MAXBLOCKSIZE], outtag[MAXBLOCKSIZE];
170
171 /* AES can be under rijndael or aes... try to find it */
172 if ((idx = find_cipher("aes")) == -1) {
173 if ((idx = find_cipher("rijndael")) == -1) {
174 return CRYPT_NOP;
175 }
176 }
177
178 for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
179 len = sizeof(outtag);
180 if ((err = ocb_encrypt_authenticate_memory(idx, tests[x].key, 16,
181 tests[x].nonce, tests[x].pt, tests[x].ptlen, outct, outtag, &len)) != CRYPT_OK) {
182 return err;
183 }
184
185 if (memcmp(outtag, tests[x].tag, len) || memcmp(outct, tests[x].ct, tests[x].ptlen)) {
186 #if 0
187 unsigned long y;
188 printf("\n\nFailure: \nCT:\n");
189 for (y = 0; y < (unsigned long)tests[x].ptlen; ) {
190 printf("0x%02x", outct[y]);
191 if (y < (unsigned long)(tests[x].ptlen-1)) printf(", ");
192 if (!(++y % 8)) printf("\n");
193 }
194 printf("\nTAG:\n");
195 for (y = 0; y < len; ) {
196 printf("0x%02x", outtag[y]);
197 if (y < len-1) printf(", ");
198 if (!(++y % 8)) printf("\n");
199 }
200 #endif
201 return CRYPT_FAIL_TESTVECTOR;
202 }
203
204 if ((err = ocb_decrypt_verify_memory(idx, tests[x].key, 16, tests[x].nonce, outct, tests[x].ptlen,
205 outct, tests[x].tag, len, &res)) != CRYPT_OK) {
206 return err;
207 }
208 if ((res != 1) || memcmp(tests[x].pt, outct, tests[x].ptlen)) {
209 #if 0
210 unsigned long y;
211 printf("\n\nFailure-decrypt: \nPT:\n");
212 for (y = 0; y < (unsigned long)tests[x].ptlen; ) {
213 printf("0x%02x", outct[y]);
214 if (y < (unsigned long)(tests[x].ptlen-1)) printf(", ");
215 if (!(++y % 8)) printf("\n");
216 }
217 printf("\nres = %d\n\n", res);
218 #endif
219 }
220 }
221 return CRYPT_OK;
222 #endif /* LTC_TEST */
223 }
224
225 #endif /* OCB_MODE */
226
227
228 /* some comments
229
230 -- it's hard to seek
231 -- hard to stream [you can't emit ciphertext until full block]
232 -- The setup is somewhat complicated...
233 */