comparison eax_test.c @ 3:7faae8f46238 libtomcrypt-orig

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author Matt Johnston <matt@ucc.asn.au>
date Mon, 31 May 2004 18:25:41 +0000
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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 /* EAX Implementation by Tom St Denis */
13 #include "mycrypt.h"
14
15 #ifdef EAX_MODE
16
17 int eax_test(void)
18 {
19 #ifndef LTC_TEST
20 return CRYPT_NOP;
21 #else
22 static const struct {
23 int keylen,
24 noncelen,
25 headerlen,
26 msglen;
27
28 unsigned char key[MAXBLOCKSIZE],
29 nonce[MAXBLOCKSIZE],
30 header[MAXBLOCKSIZE],
31 plaintext[MAXBLOCKSIZE],
32 ciphertext[MAXBLOCKSIZE],
33 tag[MAXBLOCKSIZE];
34 } tests[] = {
35
36 /* NULL message */
37 {
38 16, 0, 0, 0,
39 /* key */
40 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
41 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
42 /* nonce */
43 { 0 },
44 /* header */
45 { 0 },
46 /* plaintext */
47 { 0 },
48 /* ciphertext */
49 { 0 },
50 /* tag */
51 { 0x9a, 0xd0, 0x7e, 0x7d, 0xbf, 0xf3, 0x01, 0xf5,
52 0x05, 0xde, 0x59, 0x6b, 0x96, 0x15, 0xdf, 0xff }
53 },
54
55 /* test with nonce */
56 {
57 16, 16, 0, 0,
58 /* key */
59 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
60 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
61 /* nonce */
62 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
63 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
64 /* header */
65 { 0 },
66 /* plaintext */
67 { 0 },
68 /* ciphertext */
69 { 0 },
70 /* tag */
71 { 0x1c, 0xe1, 0x0d, 0x3e, 0xff, 0xd4, 0xca, 0xdb,
72 0xe2, 0xe4, 0x4b, 0x58, 0xd6, 0x0a, 0xb9, 0xec }
73 },
74
75 /* test with header [no nonce] */
76 {
77 16, 0, 16, 0,
78 /* key */
79 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
80 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
81 /* nonce */
82 { 0 },
83 /* header */
84 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
85 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
86 /* plaintext */
87 { 0 },
88 /* ciphertext */
89 { 0 },
90 /* tag */
91 { 0x3a, 0x69, 0x8f, 0x7a, 0x27, 0x0e, 0x51, 0xb0,
92 0xf6, 0x5b, 0x3d, 0x3e, 0x47, 0x19, 0x3c, 0xff }
93 },
94
95 /* test with header + nonce + plaintext */
96 {
97 16, 16, 16, 32,
98 /* key */
99 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
100 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
101 /* nonce */
102 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
103 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
104 /* header */
105 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
106 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
107 /* plaintext */
108 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
109 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
110 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
111 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
112 /* ciphertext */
113 { 0x29, 0xd8, 0x78, 0xd1, 0xa3, 0xbe, 0x85, 0x7b,
114 0x6f, 0xb8, 0xc8, 0xea, 0x59, 0x50, 0xa7, 0x78,
115 0x33, 0x1f, 0xbf, 0x2c, 0xcf, 0x33, 0x98, 0x6f,
116 0x35, 0xe8, 0xcf, 0x12, 0x1d, 0xcb, 0x30, 0xbc },
117 /* tag */
118 { 0x4f, 0xbe, 0x03, 0x38, 0xbe, 0x1c, 0x8c, 0x7e,
119 0x1d, 0x7a, 0xe7, 0xe4, 0x5b, 0x92, 0xc5, 0x87 }
120 },
121
122 /* test with header + nonce + plaintext [not even sizes!] */
123 {
124 16, 15, 14, 29,
125 /* key */
126 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
127 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
128 /* nonce */
129 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
130 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e },
131 /* header */
132 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
133 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d },
134 /* plaintext */
135 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
136 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
137 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
138 0x18, 0x19, 0x1a, 0x1b, 0x1c },
139 /* ciphertext */
140 { 0xdd, 0x25, 0xc7, 0x54, 0xc5, 0xb1, 0x7c, 0x59,
141 0x28, 0xb6, 0x9b, 0x73, 0x15, 0x5f, 0x7b, 0xb8,
142 0x88, 0x8f, 0xaf, 0x37, 0x09, 0x1a, 0xd9, 0x2c,
143 0x8a, 0x24, 0xdb, 0x86, 0x8b },
144 /* tag */
145 { 0x0d, 0x1a, 0x14, 0xe5, 0x22, 0x24, 0xff, 0xd2,
146 0x3a, 0x05, 0xfa, 0x02, 0xcd, 0xef, 0x52, 0xda }
147 },
148
149 /* Vectors from Brian Gladman */
150
151 {
152 16, 16, 8, 0,
153 /* key */
154 { 0x23, 0x39, 0x52, 0xde, 0xe4, 0xd5, 0xed, 0x5f,
155 0x9b, 0x9c, 0x6d, 0x6f, 0xf8, 0x0f, 0xf4, 0x78 },
156 /* nonce */
157 { 0x62, 0xec, 0x67, 0xf9, 0xc3, 0xa4, 0xa4, 0x07,
158 0xfc, 0xb2, 0xa8, 0xc4, 0x90, 0x31, 0xa8, 0xb3 },
159 /* header */
160 { 0x6b, 0xfb, 0x91, 0x4f, 0xd0, 0x7e, 0xae, 0x6b },
161 /* PT */
162 { 0x00 },
163 /* CT */
164 { 0x00 },
165 /* tag */
166 { 0xe0, 0x37, 0x83, 0x0e, 0x83, 0x89, 0xf2, 0x7b,
167 0x02, 0x5a, 0x2d, 0x65, 0x27, 0xe7, 0x9d, 0x01 }
168 },
169
170 {
171 16, 16, 8, 2,
172 /* key */
173 { 0x91, 0x94, 0x5d, 0x3f, 0x4d, 0xcb, 0xee, 0x0b,
174 0xf4, 0x5e, 0xf5, 0x22, 0x55, 0xf0, 0x95, 0xa4 },
175 /* nonce */
176 { 0xbe, 0xca, 0xf0, 0x43, 0xb0, 0xa2, 0x3d, 0x84,
177 0x31, 0x94, 0xba, 0x97, 0x2c, 0x66, 0xde, 0xbd },
178 /* header */
179 { 0xfa, 0x3b, 0xfd, 0x48, 0x06, 0xeb, 0x53, 0xfa },
180 /* PT */
181 { 0xf7, 0xfb },
182 /* CT */
183 { 0x19, 0xdd },
184 /* tag */
185 { 0x5c, 0x4c, 0x93, 0x31, 0x04, 0x9d, 0x0b, 0xda,
186 0xb0, 0x27, 0x74, 0x08, 0xf6, 0x79, 0x67, 0xe5 }
187 },
188
189 {
190 16, 16, 8, 5,
191 /* key */
192 { 0x01, 0xf7, 0x4a, 0xd6, 0x40, 0x77, 0xf2, 0xe7,
193 0x04, 0xc0, 0xf6, 0x0a, 0xda, 0x3d, 0xd5, 0x23 },
194 /* nonce */
195 { 0x70, 0xc3, 0xdb, 0x4f, 0x0d, 0x26, 0x36, 0x84,
196 0x00, 0xa1, 0x0e, 0xd0, 0x5d, 0x2b, 0xff, 0x5e },
197 /* header */
198 { 0x23, 0x4a, 0x34, 0x63, 0xc1, 0x26, 0x4a, 0xc6 },
199 /* PT */
200 { 0x1a, 0x47, 0xcb, 0x49, 0x33 },
201 /* CT */
202 { 0xd8, 0x51, 0xd5, 0xba, 0xe0 },
203 /* Tag */
204 { 0x3a, 0x59, 0xf2, 0x38, 0xa2, 0x3e, 0x39, 0x19,
205 0x9d, 0xc9, 0x26, 0x66, 0x26, 0xc4, 0x0f, 0x80 }
206 }
207
208 };
209 int err, x, idx, res;
210 unsigned long len;
211 unsigned char outct[MAXBLOCKSIZE], outtag[MAXBLOCKSIZE];
212
213 /* AES can be under rijndael or aes... try to find it */
214 if ((idx = find_cipher("aes")) == -1) {
215 if ((idx = find_cipher("rijndael")) == -1) {
216 return CRYPT_NOP;
217 }
218 }
219
220 for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
221 len = sizeof(outtag);
222 if ((err = eax_encrypt_authenticate_memory(idx, tests[x].key, tests[x].keylen,
223 tests[x].nonce, tests[x].noncelen, tests[x].header, tests[x].headerlen,
224 tests[x].plaintext, tests[x].msglen, outct, outtag, &len)) != CRYPT_OK) {
225 return err;
226 }
227 if (memcmp(outct, tests[x].ciphertext, tests[x].msglen) || memcmp(outtag, tests[x].tag, len)) {
228 #if 0
229 unsigned long y;
230 printf("\n\nFailure: \nCT:\n");
231 for (y = 0; y < (unsigned long)tests[x].msglen; ) {
232 printf("0x%02x", outct[y]);
233 if (y < (unsigned long)(tests[x].msglen-1)) printf(", ");
234 if (!(++y % 8)) printf("\n");
235 }
236 printf("\nTAG:\n");
237 for (y = 0; y < len; ) {
238 printf("0x%02x", outtag[y]);
239 if (y < len-1) printf(", ");
240 if (!(++y % 8)) printf("\n");
241 }
242 #endif
243 return CRYPT_FAIL_TESTVECTOR;
244 }
245
246 /* test decrypt */
247 if ((err = eax_decrypt_verify_memory(idx, tests[x].key, tests[x].keylen,
248 tests[x].nonce, tests[x].noncelen, tests[x].header, tests[x].headerlen,
249 outct, tests[x].msglen, outct, outtag, len, &res)) != CRYPT_OK) {
250 return err;
251 }
252 if ((res != 1) || memcmp(outct, tests[x].plaintext, tests[x].msglen)) {
253 #if 0
254 unsigned long y;
255 printf("\n\nFailure (res == %d): \nPT:\n", res);
256 for (y = 0; y < (unsigned long)tests[x].msglen; ) {
257 printf("0x%02x", outct[y]);
258 if (y < (unsigned long)(tests[x].msglen-1)) printf(", ");
259 if (!(++y % 8)) printf("\n");
260 }
261 printf("\n\n");
262 #endif
263 return CRYPT_FAIL_TESTVECTOR;
264 }
265
266 }
267 return CRYPT_OK;
268 #endif /* LTC_TEST */
269 }
270
271 #endif /* EAX_MODE */