Line data Source code
1 : /*
2 : * aes_cbc.c
3 : *
4 : * AES Cipher Block Chaining Mode
5 : *
6 : * David A. McGrew
7 : * Cisco Systems, Inc.
8 : */
9 :
10 : /*
11 : *
12 : * Copyright (c) 2001-2006, Cisco Systems, Inc.
13 : * All rights reserved.
14 : *
15 : * Redistribution and use in source and binary forms, with or without
16 : * modification, are permitted provided that the following conditions
17 : * are met:
18 : *
19 : * Redistributions of source code must retain the above copyright
20 : * notice, this list of conditions and the following disclaimer.
21 : *
22 : * Redistributions in binary form must reproduce the above
23 : * copyright notice, this list of conditions and the following
24 : * disclaimer in the documentation and/or other materials provided
25 : * with the distribution.
26 : *
27 : * Neither the name of the Cisco Systems, Inc. nor the names of its
28 : * contributors may be used to endorse or promote products derived
29 : * from this software without specific prior written permission.
30 : *
31 : * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 : * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 : * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
34 : * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
35 : * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
36 : * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
37 : * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
38 : * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40 : * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
41 : * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
42 : * OF THE POSSIBILITY OF SUCH DAMAGE.
43 : *
44 : */
45 :
46 :
47 : #include "aes_cbc.h"
48 : #include "alloc.h"
49 :
50 : debug_module_t mod_aes_cbc = {
51 : 0, /* debugging is off by default */
52 : "aes cbc" /* printable module name */
53 : };
54 :
55 :
56 :
57 : err_status_t
58 0 : aes_cbc_alloc(cipher_t **c, int key_len) {
59 : extern cipher_type_t aes_cbc;
60 : uint8_t *pointer;
61 : int tmp;
62 :
63 : debug_print(mod_aes_cbc,
64 : "allocating cipher with key length %d", key_len);
65 :
66 0 : if (key_len != 16 && key_len != 24 && key_len != 32)
67 0 : return err_status_bad_param;
68 :
69 : /* allocate memory a cipher of type aes_cbc */
70 0 : tmp = (sizeof(aes_cbc_ctx_t) + sizeof(cipher_t));
71 0 : pointer = (uint8_t*)crypto_alloc(tmp);
72 0 : if (pointer == NULL)
73 0 : return err_status_alloc_fail;
74 :
75 : /* set pointers */
76 0 : *c = (cipher_t *)pointer;
77 0 : (*c)->type = &aes_cbc;
78 0 : (*c)->state = pointer + sizeof(cipher_t);
79 :
80 : /* increment ref_count */
81 0 : aes_cbc.ref_count++;
82 :
83 : /* set key size */
84 0 : (*c)->key_len = key_len;
85 :
86 0 : return err_status_ok;
87 : }
88 :
89 : err_status_t
90 0 : aes_cbc_dealloc(cipher_t *c) {
91 : extern cipher_type_t aes_cbc;
92 :
93 : /* zeroize entire state*/
94 0 : octet_string_set_to_zero((uint8_t *)c,
95 : sizeof(aes_cbc_ctx_t) + sizeof(cipher_t));
96 :
97 : /* free memory */
98 0 : crypto_free(c);
99 :
100 : /* decrement ref_count */
101 0 : aes_cbc.ref_count--;
102 :
103 0 : return err_status_ok;
104 : }
105 :
106 : err_status_t
107 0 : aes_cbc_context_init(aes_cbc_ctx_t *c, const uint8_t *key, int key_len,
108 : cipher_direction_t dir) {
109 : err_status_t status;
110 :
111 : debug_print(mod_aes_cbc,
112 : "key: %s", octet_string_hex_string(key, key_len));
113 :
114 : /* expand key for the appropriate direction */
115 0 : switch (dir) {
116 : case (direction_encrypt):
117 0 : status = aes_expand_encryption_key(key, key_len, &c->expanded_key);
118 0 : if (status)
119 0 : return status;
120 0 : break;
121 : case (direction_decrypt):
122 0 : status = aes_expand_decryption_key(key, key_len, &c->expanded_key);
123 0 : if (status)
124 0 : return status;
125 0 : break;
126 : default:
127 0 : return err_status_bad_param;
128 : }
129 :
130 :
131 0 : return err_status_ok;
132 : }
133 :
134 :
135 : err_status_t
136 0 : aes_cbc_set_iv(aes_cbc_ctx_t *c, void *iv) {
137 : int i;
138 : /* v128_t *input = iv; */
139 0 : uint8_t *input = (uint8_t*) iv;
140 :
141 : /* set state and 'previous' block to iv */
142 0 : for (i=0; i < 16; i++)
143 0 : c->previous.v8[i] = c->state.v8[i] = input[i];
144 :
145 : debug_print(mod_aes_cbc, "setting iv: %s", v128_hex_string(&c->state));
146 :
147 0 : return err_status_ok;
148 : }
149 :
150 : err_status_t
151 0 : aes_cbc_encrypt(aes_cbc_ctx_t *c,
152 : unsigned char *data,
153 : unsigned int *bytes_in_data) {
154 : int i;
155 0 : unsigned char *input = data; /* pointer to data being read */
156 0 : unsigned char *output = data; /* pointer to data being written */
157 0 : int bytes_to_encr = *bytes_in_data;
158 :
159 : /*
160 : * verify that we're 16-octet aligned
161 : */
162 0 : if (*bytes_in_data & 0xf)
163 0 : return err_status_bad_param;
164 :
165 : /*
166 : * note that we assume that the initialization vector has already
167 : * been set, e.g. by calling aes_cbc_set_iv()
168 : */
169 : debug_print(mod_aes_cbc, "iv: %s",
170 : v128_hex_string(&c->state));
171 :
172 : /*
173 : * loop over plaintext blocks, exoring state into plaintext then
174 : * encrypting and writing to output
175 : */
176 0 : while (bytes_to_encr > 0) {
177 :
178 : /* exor plaintext into state */
179 0 : for (i=0; i < 16; i++)
180 0 : c->state.v8[i] ^= *input++;
181 :
182 : debug_print(mod_aes_cbc, "inblock: %s",
183 : v128_hex_string(&c->state));
184 :
185 0 : aes_encrypt(&c->state, &c->expanded_key);
186 :
187 : debug_print(mod_aes_cbc, "outblock: %s",
188 : v128_hex_string(&c->state));
189 :
190 : /* copy ciphertext to output */
191 0 : for (i=0; i < 16; i++)
192 0 : *output++ = c->state.v8[i];
193 :
194 0 : bytes_to_encr -= 16;
195 : }
196 :
197 0 : return err_status_ok;
198 : }
199 :
200 : err_status_t
201 0 : aes_cbc_decrypt(aes_cbc_ctx_t *c,
202 : unsigned char *data,
203 : unsigned int *bytes_in_data) {
204 : int i;
205 : v128_t state, previous;
206 0 : unsigned char *input = data; /* pointer to data being read */
207 0 : unsigned char *output = data; /* pointer to data being written */
208 0 : int bytes_to_encr = *bytes_in_data;
209 : uint8_t tmp;
210 :
211 : /*
212 : * verify that we're 16-octet aligned
213 : */
214 0 : if (*bytes_in_data & 0x0f)
215 0 : return err_status_bad_param;
216 :
217 : /* set 'previous' block to iv*/
218 0 : for (i=0; i < 16; i++) {
219 0 : previous.v8[i] = c->previous.v8[i];
220 : }
221 :
222 : debug_print(mod_aes_cbc, "iv: %s",
223 : v128_hex_string(&previous));
224 :
225 : /*
226 : * loop over ciphertext blocks, decrypting then exoring with state
227 : * then writing plaintext to output
228 : */
229 0 : while (bytes_to_encr > 0) {
230 :
231 : /* set state to ciphertext input block */
232 0 : for (i=0; i < 16; i++) {
233 0 : state.v8[i] = *input++;
234 : }
235 :
236 : debug_print(mod_aes_cbc, "inblock: %s",
237 : v128_hex_string(&state));
238 :
239 : /* decrypt state */
240 0 : aes_decrypt(&state, &c->expanded_key);
241 :
242 : debug_print(mod_aes_cbc, "outblock: %s",
243 : v128_hex_string(&state));
244 :
245 : /*
246 : * exor previous ciphertext block out of plaintext, and write new
247 : * plaintext block to output, while copying old ciphertext block
248 : * to the 'previous' block
249 : */
250 0 : for (i=0; i < 16; i++) {
251 0 : tmp = *output;
252 0 : *output++ = state.v8[i] ^ previous.v8[i];
253 0 : previous.v8[i] = tmp;
254 : }
255 :
256 0 : bytes_to_encr -= 16;
257 : }
258 :
259 0 : return err_status_ok;
260 : }
261 :
262 :
263 : err_status_t
264 0 : aes_cbc_nist_encrypt(aes_cbc_ctx_t *c,
265 : unsigned char *data,
266 : unsigned int *bytes_in_data) {
267 : int i;
268 : unsigned char *pad_start;
269 : int num_pad_bytes;
270 : err_status_t status;
271 :
272 : /*
273 : * determine the number of padding bytes that we need to add -
274 : * this value is always between 1 and 16, inclusive.
275 : */
276 0 : num_pad_bytes = 16 - (*bytes_in_data & 0xf);
277 0 : pad_start = data;
278 0 : pad_start += *bytes_in_data;
279 0 : *pad_start++ = 0xa0;
280 0 : for (i=0; i < num_pad_bytes; i++)
281 0 : *pad_start++ = 0x00;
282 :
283 : /*
284 : * increment the data size
285 : */
286 0 : *bytes_in_data += num_pad_bytes;
287 :
288 : /*
289 : * now cbc encrypt the padded data
290 : */
291 0 : status = aes_cbc_encrypt(c, data, bytes_in_data);
292 0 : if (status)
293 0 : return status;
294 :
295 0 : return err_status_ok;
296 : }
297 :
298 :
299 : err_status_t
300 0 : aes_cbc_nist_decrypt(aes_cbc_ctx_t *c,
301 : unsigned char *data,
302 : unsigned int *bytes_in_data) {
303 : unsigned char *pad_end;
304 : int num_pad_bytes;
305 : err_status_t status;
306 :
307 : /*
308 : * cbc decrypt the padded data
309 : */
310 0 : status = aes_cbc_decrypt(c, data, bytes_in_data);
311 0 : if (status)
312 0 : return status;
313 :
314 : /*
315 : * determine the number of padding bytes in the decrypted plaintext
316 : * - this value is always between 1 and 16, inclusive.
317 : */
318 0 : num_pad_bytes = 1;
319 0 : pad_end = data + (*bytes_in_data - 1);
320 0 : while (*pad_end != 0xa0) { /* note: should check padding correctness */
321 0 : pad_end--;
322 0 : num_pad_bytes++;
323 : }
324 :
325 : /* decrement data size */
326 0 : *bytes_in_data -= num_pad_bytes;
327 :
328 0 : return err_status_ok;
329 : }
330 :
331 :
332 : char
333 : aes_cbc_description[] = "aes cipher block chaining (cbc) mode";
334 :
335 : /*
336 : * Test case 0 is derived from FIPS 197 Appendix C; it uses an
337 : * all-zero IV, so that the first block encryption matches the test
338 : * case in that appendix. This property provides a check of the base
339 : * AES encryption and decryption algorithms; if CBC fails on some
340 : * particular platform, then you should print out AES intermediate
341 : * data and compare with the detailed info provided in that appendix.
342 : *
343 : */
344 :
345 :
346 : uint8_t aes_cbc_test_case_0_key[16] = {
347 : 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
348 : 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
349 : };
350 :
351 : uint8_t aes_cbc_test_case_0_plaintext[64] = {
352 : 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
353 : 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff
354 : };
355 :
356 : uint8_t aes_cbc_test_case_0_ciphertext[80] = {
357 : 0x69, 0xc4, 0xe0, 0xd8, 0x6a, 0x7b, 0x04, 0x30,
358 : 0xd8, 0xcd, 0xb7, 0x80, 0x70, 0xb4, 0xc5, 0x5a,
359 : 0x03, 0x35, 0xed, 0x27, 0x67, 0xf2, 0x6d, 0xf1,
360 : 0x64, 0x83, 0x2e, 0x23, 0x44, 0x38, 0x70, 0x8b
361 :
362 : };
363 :
364 : uint8_t aes_cbc_test_case_0_iv[16] = {
365 : 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
366 : 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
367 : };
368 :
369 :
370 : cipher_test_case_t aes_cbc_test_case_0 = {
371 : 16, /* octets in key */
372 : aes_cbc_test_case_0_key, /* key */
373 : aes_cbc_test_case_0_iv, /* initialization vector */
374 : 16, /* octets in plaintext */
375 : aes_cbc_test_case_0_plaintext, /* plaintext */
376 : 32, /* octets in ciphertext */
377 : aes_cbc_test_case_0_ciphertext, /* ciphertext */
378 : NULL /* pointer to next testcase */
379 : };
380 :
381 :
382 : /*
383 : * this test case is taken directly from Appendix F.2 of NIST Special
384 : * Publication SP 800-38A
385 : */
386 :
387 : uint8_t aes_cbc_test_case_1_key[16] = {
388 : 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
389 : 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,
390 : };
391 :
392 : uint8_t aes_cbc_test_case_1_plaintext[64] = {
393 : 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
394 : 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
395 : 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
396 : 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
397 : 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
398 : 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
399 : 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
400 : 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10
401 : };
402 :
403 : uint8_t aes_cbc_test_case_1_ciphertext[80] = {
404 : 0x76, 0x49, 0xab, 0xac, 0x81, 0x19, 0xb2, 0x46,
405 : 0xce, 0xe9, 0x8e, 0x9b, 0x12, 0xe9, 0x19, 0x7d,
406 : 0x50, 0x86, 0xcb, 0x9b, 0x50, 0x72, 0x19, 0xee,
407 : 0x95, 0xdb, 0x11, 0x3a, 0x91, 0x76, 0x78, 0xb2,
408 : 0x73, 0xbe, 0xd6, 0xb8, 0xe3, 0xc1, 0x74, 0x3b,
409 : 0x71, 0x16, 0xe6, 0x9e, 0x22, 0x22, 0x95, 0x16,
410 : 0x3f, 0xf1, 0xca, 0xa1, 0x68, 0x1f, 0xac, 0x09,
411 : 0x12, 0x0e, 0xca, 0x30, 0x75, 0x86, 0xe1, 0xa7,
412 : 0x39, 0x34, 0x07, 0x03, 0x36, 0xd0, 0x77, 0x99,
413 : 0xe0, 0xc4, 0x2f, 0xdd, 0xa8, 0xdf, 0x4c, 0xa3
414 : };
415 :
416 : uint8_t aes_cbc_test_case_1_iv[16] = {
417 : 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
418 : 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
419 : };
420 :
421 : cipher_test_case_t aes_cbc_test_case_1 = {
422 : 16, /* octets in key */
423 : aes_cbc_test_case_1_key, /* key */
424 : aes_cbc_test_case_1_iv, /* initialization vector */
425 : 64, /* octets in plaintext */
426 : aes_cbc_test_case_1_plaintext, /* plaintext */
427 : 80, /* octets in ciphertext */
428 : aes_cbc_test_case_1_ciphertext, /* ciphertext */
429 : &aes_cbc_test_case_0 /* pointer to next testcase */
430 : };
431 :
432 : /*
433 : * Test case 2 is like test case 0, but for 256-bit keys. (FIPS 197
434 : * appendix C.3).
435 : */
436 :
437 :
438 : uint8_t aes_cbc_test_case_2_key[32] = {
439 : 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
440 : 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
441 : 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
442 : 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
443 : };
444 :
445 : uint8_t aes_cbc_test_case_2_plaintext[64] = {
446 : 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
447 : 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff
448 : };
449 :
450 : uint8_t aes_cbc_test_case_2_ciphertext[80] = {
451 : 0x8e, 0xa2, 0xb7, 0xca, 0x51, 0x67, 0x45, 0xbf,
452 : 0xea, 0xfc, 0x49, 0x90, 0x4b, 0x49, 0x60, 0x89,
453 : 0x72, 0x72, 0x6e, 0xe7, 0x71, 0x39, 0xbf, 0x11,
454 : 0xe5, 0x40, 0xe2, 0x7c, 0x54, 0x65, 0x1d, 0xee
455 : };
456 :
457 : uint8_t aes_cbc_test_case_2_iv[16] = {
458 : 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
459 : 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
460 : };
461 :
462 : cipher_test_case_t aes_cbc_test_case_2 = {
463 : 32, /* octets in key */
464 : aes_cbc_test_case_2_key, /* key */
465 : aes_cbc_test_case_2_iv, /* initialization vector */
466 : 16, /* octets in plaintext */
467 : aes_cbc_test_case_2_plaintext, /* plaintext */
468 : 32, /* octets in ciphertext */
469 : aes_cbc_test_case_2_ciphertext, /* ciphertext */
470 : &aes_cbc_test_case_1 /* pointer to next testcase */
471 : };
472 :
473 :
474 : /*
475 : * this test case is taken directly from Appendix F.2 of NIST Special
476 : * Publication SP 800-38A
477 : */
478 :
479 : uint8_t aes_cbc_test_case_3_key[32] = {
480 : 0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe,
481 : 0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81,
482 : 0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7,
483 : 0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4
484 : };
485 :
486 : uint8_t aes_cbc_test_case_3_plaintext[64] = {
487 : 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
488 : 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
489 : 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
490 : 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
491 : 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
492 : 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
493 : 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
494 : 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10
495 : };
496 :
497 : uint8_t aes_cbc_test_case_3_ciphertext[80] = {
498 : 0xf5, 0x8c, 0x4c, 0x04, 0xd6, 0xe5, 0xf1, 0xba,
499 : 0x77, 0x9e, 0xab, 0xfb, 0x5f, 0x7b, 0xfb, 0xd6,
500 : 0x9c, 0xfc, 0x4e, 0x96, 0x7e, 0xdb, 0x80, 0x8d,
501 : 0x67, 0x9f, 0x77, 0x7b, 0xc6, 0x70, 0x2c, 0x7d,
502 : 0x39, 0xf2, 0x33, 0x69, 0xa9, 0xd9, 0xba, 0xcf,
503 : 0xa5, 0x30, 0xe2, 0x63, 0x04, 0x23, 0x14, 0x61,
504 : 0xb2, 0xeb, 0x05, 0xe2, 0xc3, 0x9b, 0xe9, 0xfc,
505 : 0xda, 0x6c, 0x19, 0x07, 0x8c, 0x6a, 0x9d, 0x1b,
506 : 0xfb, 0x98, 0x20, 0x2c, 0x45, 0xb2, 0xe4, 0xa0,
507 : 0x63, 0xc4, 0x68, 0xba, 0x84, 0x39, 0x16, 0x5a
508 : };
509 :
510 : uint8_t aes_cbc_test_case_3_iv[16] = {
511 : 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
512 : 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
513 : };
514 :
515 : cipher_test_case_t aes_cbc_test_case_3 = {
516 : 32, /* octets in key */
517 : aes_cbc_test_case_3_key, /* key */
518 : aes_cbc_test_case_3_iv, /* initialization vector */
519 : 64, /* octets in plaintext */
520 : aes_cbc_test_case_3_plaintext, /* plaintext */
521 : 80, /* octets in ciphertext */
522 : aes_cbc_test_case_3_ciphertext, /* ciphertext */
523 : &aes_cbc_test_case_2 /* pointer to next testcase */
524 : };
525 :
526 : cipher_type_t aes_cbc = {
527 : (cipher_alloc_func_t) aes_cbc_alloc,
528 : (cipher_dealloc_func_t) aes_cbc_dealloc,
529 : (cipher_init_func_t) aes_cbc_context_init,
530 : (cipher_encrypt_func_t) aes_cbc_nist_encrypt,
531 : (cipher_decrypt_func_t) aes_cbc_nist_decrypt,
532 : (cipher_set_iv_func_t) aes_cbc_set_iv,
533 : (char *) aes_cbc_description,
534 : (int) 0, /* instance count */
535 : (cipher_test_case_t *) &aes_cbc_test_case_3,
536 : (debug_module_t *) &mod_aes_cbc,
537 : (cipher_type_id_t) AES_CBC
538 : };
539 :
540 :
|
