Commit | Line | Data |
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79ba130c | 1 | /* -*-c-*- |
79ba130c | 2 | * |
3 | * Definitions for cipher block chaining mode | |
4 | * | |
5 | * (c) 1999 Straylight/Edgeware | |
6 | */ | |
7 | ||
45c0fd36 | 8 | /*----- Licensing notice --------------------------------------------------* |
79ba130c | 9 | * |
10 | * This file is part of Catacomb. | |
11 | * | |
12 | * Catacomb is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU Library General Public License as | |
14 | * published by the Free Software Foundation; either version 2 of the | |
15 | * License, or (at your option) any later version. | |
45c0fd36 | 16 | * |
79ba130c | 17 | * Catacomb is distributed in the hope that it will be useful, |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU Library General Public License for more details. | |
45c0fd36 | 21 | * |
79ba130c | 22 | * You should have received a copy of the GNU Library General Public |
23 | * License along with Catacomb; if not, write to the Free | |
24 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
25 | * MA 02111-1307, USA. | |
26 | */ | |
27 | ||
79ba130c | 28 | #ifndef CATACOMB_CBC_DEF_H |
29 | #define CATACOMB_CBC_DEF_H | |
30 | ||
31 | #ifdef __cplusplus | |
32 | extern "C" { | |
33 | #endif | |
34 | ||
35 | /*----- Header files ------------------------------------------------------*/ | |
36 | ||
37 | #include <string.h> | |
38 | ||
39 | #include <mLib/bits.h> | |
40 | #include <mLib/sub.h> | |
41 | ||
99461409 | 42 | #ifndef CATACOMB_ARENA_H |
43 | # include "arena.h" | |
44 | #endif | |
45 | ||
79ba130c | 46 | #ifndef CATACOMB_BLKC_H |
47 | # include "blkc.h" | |
48 | #endif | |
49 | ||
50 | #ifndef CATACOMB_GCIPHER_H | |
51 | # include "gcipher.h" | |
52 | #endif | |
53 | ||
99461409 | 54 | #ifndef CATACOMB_PARANOIA_H |
55 | # include "paranoia.h" | |
56 | #endif | |
57 | ||
79ba130c | 58 | /*----- Macros ------------------------------------------------------------*/ |
59 | ||
60 | /* --- @CBC_DEF@ --- * | |
61 | * | |
62 | * Arguments: @PRE@, @pre@ = prefixes for the underlying block cipher | |
63 | * | |
64 | * Use: Creates an implementation for CBC stealing mode. | |
65 | */ | |
66 | ||
aaae9cab MW |
67 | #define CBC_DEF(PRE, pre) CBC_DEFX(PRE, pre, #pre, #pre) |
68 | ||
69 | #define CBC_DEFX(PRE, pre, name, fname) \ | |
79ba130c | 70 | \ |
71 | /* --- @pre_cbcgetiv@ --- * \ | |
72 | * \ | |
73 | * Arguments: @const pre_cbcctx *ctx@ = pointer to CBC context block \ | |
4efe32ba | 74 | * @void *iv@ = pointer to output data block \ |
79ba130c | 75 | * \ |
76 | * Returns: --- \ | |
77 | * \ | |
78 | * Use: Reads the currently set IV. Reading and setting an IV \ | |
79 | * is transparent to the CBC encryption or decryption \ | |
80 | * process. \ | |
81 | */ \ | |
82 | \ | |
83 | void pre##_cbcgetiv(const pre##_cbcctx *ctx, void *iv) \ | |
84 | { \ | |
85 | BLKC_STORE(PRE, iv, ctx->iv); \ | |
86 | } \ | |
87 | \ | |
88 | /* --- @pre_cbcsetiv@ --- * \ | |
89 | * \ | |
90 | * Arguments: @pre_cbcctx *ctx@ = pointer to CBC context block \ | |
91 | * @cnost void *iv@ = pointer to IV to set \ | |
92 | * \ | |
93 | * Returns: --- \ | |
94 | * \ | |
95 | * Use: Sets the IV to use for subsequent encryption. \ | |
96 | */ \ | |
97 | \ | |
98 | void pre##_cbcsetiv(pre##_cbcctx *ctx, const void *iv) \ | |
99 | { \ | |
100 | BLKC_LOAD(PRE, ctx->iv, iv); \ | |
101 | } \ | |
102 | \ | |
103 | /* --- @pre_cbcsetkey@ --- * \ | |
104 | * \ | |
105 | * Arguments: @pre_cbcctx *ctx@ = pointer to CBC context block \ | |
106 | * @const pre_ctx *k@ = pointer to cipher context \ | |
107 | * \ | |
108 | * Returns: --- \ | |
109 | * \ | |
110 | * Use: Sets the CBC context to use a different cipher key. \ | |
111 | */ \ | |
112 | \ | |
113 | void pre##_cbcsetkey(pre##_cbcctx *ctx, const pre##_ctx *k) \ | |
114 | { \ | |
115 | ctx->ctx = *k; \ | |
116 | } \ | |
117 | \ | |
118 | /* --- @pre_cbcinit@ --- * \ | |
119 | * \ | |
120 | * Arguments: @pre_cbcctx *ctx@ = pointer to cipher context \ | |
121 | * @const void *key@ = pointer to the key buffer \ | |
122 | * @size_t sz@ = size of the key \ | |
123 | * @const void *iv@ = pointer to initialization vector \ | |
124 | * \ | |
125 | * Returns: --- \ | |
126 | * \ | |
127 | * Use: Initializes a CBC context ready for use. The @iv@ \ | |
128 | * argument may be passed as a null pointer to set a zero \ | |
129 | * IV. Apart from that, this call is equivalent to calls \ | |
130 | * to @pre_init@, @pre_cbcsetkey@ and @pre_cbcsetiv@. \ | |
131 | */ \ | |
132 | \ | |
133 | void pre##_cbcinit(pre##_cbcctx *ctx, \ | |
134 | const void *key, size_t sz, \ | |
135 | const void *iv) \ | |
136 | { \ | |
4e66da02 | 137 | static const octet zero[PRE##_BLKSZ] = { 0 }; \ |
79ba130c | 138 | pre##_init(&ctx->ctx, key, sz); \ |
139 | BLKC_LOAD(PRE, ctx->iv, iv ? iv : zero); \ | |
140 | } \ | |
141 | \ | |
142 | /* --- @pre_cbcencrypt@ --- * \ | |
143 | * \ | |
144 | * Arguments: @pre_cbcctx *ctx@ = pointer to CBC context block \ | |
145 | * @const void *src@ = pointer to source data \ | |
146 | * @void *dest@ = pointer to destination data \ | |
147 | * @size_t sz@ = size of block to be encrypted \ | |
148 | * \ | |
149 | * Returns: --- \ | |
150 | * \ | |
151 | * Use: Encrypts a block with a block cipher in CBC mode, with \ | |
152 | * ciphertext stealing and other clever tricks. \ | |
153 | * Essentially, data can be encrypted in arbitrary sized \ | |
154 | * chunks, although decryption must use the same chunks. \ | |
155 | */ \ | |
156 | \ | |
157 | void pre##_cbcencrypt(pre##_cbcctx *ctx, \ | |
158 | const void *src, void *dest, \ | |
159 | size_t sz) \ | |
160 | { \ | |
161 | const octet *s = src; \ | |
162 | octet *d = dest; \ | |
163 | \ | |
164 | /* --- Empty blocks are trivial --- */ \ | |
165 | \ | |
166 | if (!sz) \ | |
167 | return; \ | |
168 | \ | |
169 | /* --- Extra magical case for a short block --- * \ | |
170 | * \ | |
171 | * Encrypt the IV, then exclusive-or the plaintext with the octets \ | |
172 | * of the encrypted IV, shifting ciphertext octets in instead. This \ | |
173 | * basically switches over to CFB. \ | |
174 | */ \ | |
175 | \ | |
176 | if (sz < PRE##_BLKSZ) { \ | |
177 | octet b[PRE##_BLKSZ]; \ | |
178 | unsigned i; \ | |
179 | \ | |
180 | pre##_eblk(&ctx->ctx, ctx->iv, ctx->iv); \ | |
181 | BLKC_STORE(PRE, b, ctx->iv); \ | |
5c3f75ec | 182 | if (d) { \ |
183 | for (i = 0; i < sz; i++) \ | |
45c0fd36 | 184 | d[i] = b[i] ^ (s ? s[i] : 0); \ |
5c3f75ec | 185 | } \ |
79ba130c | 186 | memmove(b, b + sz, PRE##_BLKSZ - sz); \ |
187 | memcpy(b + PRE##_BLKSZ - sz, d, sz); \ | |
188 | BLKC_LOAD(PRE, ctx->iv, b); \ | |
189 | return; \ | |
190 | } \ | |
191 | \ | |
192 | /* --- Do the main chunk of encryption --- * \ | |
193 | * \ | |
194 | * This will do the whole lot if it's a whole number of blocks. For \ | |
195 | * each block, XOR it with the previous ciphertext in @iv@, encrypt, \ | |
196 | * and keep a copy of the ciphertext for the next block. \ | |
197 | */ \ | |
198 | \ | |
199 | while (sz >= 2 * PRE##_BLKSZ || sz == PRE##_BLKSZ) { \ | |
5c3f75ec | 200 | if (s) { \ |
201 | BLKC_XLOAD(PRE, ctx->iv, s); \ | |
202 | s += PRE##_BLKSZ; \ | |
203 | } \ | |
79ba130c | 204 | pre##_eblk(&ctx->ctx, ctx->iv, ctx->iv); \ |
5c3f75ec | 205 | if (d) { \ |
206 | BLKC_STORE(PRE, d, ctx->iv); \ | |
207 | d += PRE##_BLKSZ; \ | |
208 | } \ | |
79ba130c | 209 | sz -= PRE##_BLKSZ; \ |
210 | } \ | |
211 | \ | |
212 | /* --- Do the tail-end block and bit-left-over --- * \ | |
213 | * \ | |
214 | * This isn't very efficient. That shouldn't matter much. \ | |
215 | */ \ | |
216 | \ | |
217 | if (sz) { \ | |
218 | octet b[PRE##_BLKSZ]; \ | |
219 | unsigned i; \ | |
220 | \ | |
221 | /* --- Let @sz@ be the size of the partial block --- */ \ | |
222 | \ | |
223 | sz -= PRE##_BLKSZ; \ | |
224 | \ | |
225 | /* --- First stage --- * \ | |
226 | * \ | |
227 | * XOR the complete block with the current IV, and encrypt it. The \ | |
228 | * first part of the result is the partial ciphertext block. Don't \ | |
229 | * write that out yet, because I've not read the partial plaintext \ | |
230 | * block. \ | |
231 | */ \ | |
232 | \ | |
5c3f75ec | 233 | if (s) BLKC_XLOAD(PRE, ctx->iv, s); \ |
79ba130c | 234 | pre##_eblk(&ctx->ctx, ctx->iv, ctx->iv); \ |
235 | BLKC_STORE(PRE, b, ctx->iv); \ | |
236 | \ | |
237 | /* --- Second stage --- * \ | |
238 | * \ | |
239 | * Now XOR in the partial plaintext block, writing out the \ | |
240 | * ciphertext as I go. Then encrypt, and write the complete \ | |
241 | * ciphertext block. \ | |
242 | */ \ | |
243 | \ | |
5c3f75ec | 244 | if (s) s += PRE##_BLKSZ; \ |
245 | if (d) d += PRE##_BLKSZ; \ | |
79ba130c | 246 | for (i = 0; i < sz; i++) { \ |
247 | register octet x = b[i]; \ | |
5c3f75ec | 248 | if (s) b[i] ^= s[i]; \ |
249 | if (d) d[i] = x; \ | |
79ba130c | 250 | } \ |
251 | BLKC_LOAD(PRE, ctx->iv, b); \ | |
252 | pre##_eblk(&ctx->ctx, ctx->iv, ctx->iv); \ | |
5c3f75ec | 253 | if (d) BLKC_STORE(PRE, d - PRE##_BLKSZ, ctx->iv); \ |
79ba130c | 254 | } \ |
255 | \ | |
256 | /* --- Done --- */ \ | |
257 | \ | |
258 | return; \ | |
259 | } \ | |
260 | \ | |
261 | /* --- @pre_cbcdecrypt@ --- * \ | |
262 | * \ | |
263 | * Arguments: @pre_cbcctx *ctx@ = pointer to CBC context block \ | |
264 | * @const void *src@ = pointer to source data \ | |
265 | * @void *dest@ = pointer to destination data \ | |
266 | * @size_t sz@ = size of block to be encrypted \ | |
267 | * \ | |
268 | * Returns: --- \ | |
269 | * \ | |
270 | * Use: Decrypts a block with a block cipher in CBC mode, with \ | |
271 | * ciphertext stealing and other clever tricks. \ | |
272 | * Essentially, data can be encrypted in arbitrary sized \ | |
273 | * chunks, although decryption must use the same chunks. \ | |
274 | */ \ | |
275 | \ | |
276 | void pre##_cbcdecrypt(pre##_cbcctx *ctx, \ | |
277 | const void *src, void *dest, \ | |
278 | size_t sz) \ | |
279 | { \ | |
280 | const octet *s = src; \ | |
281 | octet *d = dest; \ | |
282 | \ | |
283 | /* --- Empty blocks are trivial --- */ \ | |
284 | \ | |
285 | if (!sz) \ | |
286 | return; \ | |
287 | \ | |
288 | /* --- Extra magical case for a short block --- * \ | |
289 | * \ | |
290 | * Encrypt the IV, then exclusive-or the ciphertext with the octets \ | |
291 | * of the encrypted IV, shifting ciphertext octets in instead. This \ | |
292 | * basically switches over to CFB. \ | |
293 | */ \ | |
294 | \ | |
295 | if (sz < PRE##_BLKSZ) { \ | |
296 | octet b[PRE##_BLKSZ], c[PRE##_BLKSZ]; \ | |
297 | unsigned i; \ | |
298 | \ | |
299 | pre##_eblk(&ctx->ctx, ctx->iv, ctx->iv); \ | |
300 | BLKC_STORE(PRE, b, ctx->iv); \ | |
301 | for (i = 0; i < sz; i++) { \ | |
302 | register octet x = s[i]; \ | |
303 | d[i] = b[i] ^ x; \ | |
304 | c[i] = x; \ | |
305 | } \ | |
306 | memmove(b, b + sz, PRE##_BLKSZ - sz); \ | |
307 | memcpy(b + PRE##_BLKSZ - sz, c, sz); \ | |
308 | BLKC_LOAD(PRE, ctx->iv, b); \ | |
309 | return; \ | |
310 | } \ | |
311 | \ | |
312 | /* --- Do the main chunk of decryption --- * \ | |
313 | * \ | |
314 | * This will do the whole lot if it's a whole number of blocks. For \ | |
315 | * each block, decrypt, XOR it with the previous ciphertext in @iv@, \ | |
316 | * and keep a copy of the ciphertext for the next block. \ | |
317 | */ \ | |
318 | \ | |
319 | while (sz >= 2 * PRE##_BLKSZ || sz == PRE##_BLKSZ) { \ | |
320 | uint32 b[PRE##_BLKSZ / 4], niv[PRE##_BLKSZ / 4]; \ | |
321 | BLKC_LOAD(PRE, niv, s); \ | |
322 | pre##_dblk(&ctx->ctx, niv, b); \ | |
323 | BLKC_XSTORE(PRE, d, b, ctx->iv); \ | |
324 | BLKC_MOVE(PRE, ctx->iv, niv); \ | |
325 | s += PRE##_BLKSZ; \ | |
326 | d += PRE##_BLKSZ; \ | |
327 | sz -= PRE##_BLKSZ; \ | |
328 | } \ | |
329 | \ | |
330 | /* --- Do the tail-end block and bit-left-over --- * \ | |
331 | * \ | |
332 | * This isn't very efficient. That shouldn't matter much. \ | |
333 | */ \ | |
334 | \ | |
335 | if (sz) { \ | |
336 | octet b[PRE##_BLKSZ]; \ | |
337 | uint32 bk[PRE##_BLKSZ / 4], niv[PRE##_BLKSZ / 4]; \ | |
338 | unsigned i; \ | |
339 | \ | |
340 | /* --- Let @sz@ be the size of the partial block --- */ \ | |
341 | \ | |
342 | sz -= PRE##_BLKSZ; \ | |
343 | \ | |
344 | /* --- First stage --- * \ | |
345 | * \ | |
346 | * Take the complete ciphertext block, and decrypt it. This block \ | |
347 | * is carried over for the next encryption operation. \ | |
348 | */ \ | |
349 | \ | |
350 | BLKC_LOAD(PRE, niv, s); \ | |
351 | pre##_dblk(&ctx->ctx, niv, bk); \ | |
352 | \ | |
353 | /* --- Second stage --- * \ | |
354 | * \ | |
355 | * XORing the first few bytes of this with the partial ciphertext \ | |
356 | * block recovers the partial plaintext block. At the same time, \ | |
357 | * write the partial ciphertext block's contents in ready for stage \ | |
358 | * three. \ | |
359 | */ \ | |
360 | \ | |
361 | BLKC_STORE(PRE, b, bk); \ | |
362 | s += PRE##_BLKSZ; \ | |
363 | d += PRE##_BLKSZ; \ | |
364 | for (i = 0; i < sz; i++) { \ | |
365 | register octet x = s[i]; \ | |
366 | d[i] = b[i] ^ x; \ | |
367 | b[i] = x; \ | |
368 | } \ | |
369 | \ | |
370 | /* --- Third stage --- * \ | |
371 | * \ | |
372 | * Decrypt the block we've got left, and XOR with the initial IV to \ | |
373 | * recover the complete plaintext block. \ | |
374 | */ \ | |
375 | \ | |
376 | BLKC_LOAD(PRE, bk, b); \ | |
377 | pre##_dblk(&ctx->ctx, bk, bk); \ | |
378 | BLKC_XSTORE(PRE, d - PRE##_BLKSZ, bk, ctx->iv); \ | |
379 | BLKC_MOVE(PRE, ctx->iv, niv); \ | |
380 | } \ | |
381 | \ | |
382 | /* --- Done --- */ \ | |
383 | \ | |
384 | return; \ | |
385 | } \ | |
386 | \ | |
387 | /* --- Generic cipher interface --- */ \ | |
388 | \ | |
389 | static const gcipher_ops gops; \ | |
390 | \ | |
391 | typedef struct gctx { \ | |
392 | gcipher c; \ | |
393 | pre##_cbcctx k; \ | |
394 | } gctx; \ | |
395 | \ | |
396 | static gcipher *ginit(const void *k, size_t sz) \ | |
397 | { \ | |
99461409 | 398 | gctx *g = S_CREATE(gctx); \ |
79ba130c | 399 | g->c.ops = &gops; \ |
400 | pre##_cbcinit(&g->k, k, sz, 0); \ | |
401 | return (&g->c); \ | |
402 | } \ | |
403 | \ | |
404 | static void gencrypt(gcipher *c, const void *s, void *t, size_t sz) \ | |
405 | { \ | |
406 | gctx *g = (gctx *)c; \ | |
407 | pre##_cbcencrypt(&g->k, s, t, sz); \ | |
408 | } \ | |
409 | \ | |
410 | static void gdecrypt(gcipher *c, const void *s, void *t, size_t sz) \ | |
411 | { \ | |
412 | gctx *g = (gctx *)c; \ | |
413 | pre##_cbcdecrypt(&g->k, s, t, sz); \ | |
414 | } \ | |
415 | \ | |
416 | static void gdestroy(gcipher *c) \ | |
417 | { \ | |
418 | gctx *g = (gctx *)c; \ | |
99461409 | 419 | BURN(*g); \ |
420 | S_DESTROY(g); \ | |
79ba130c | 421 | } \ |
422 | \ | |
423 | static void gsetiv(gcipher *c, const void *iv) \ | |
424 | { \ | |
425 | gctx *g = (gctx *)c; \ | |
426 | pre##_cbcsetiv(&g->k, iv); \ | |
427 | } \ | |
428 | \ | |
429 | static const gcipher_ops gops = { \ | |
99461409 | 430 | &pre##_cbc, \ |
431 | gencrypt, gdecrypt, gdestroy, gsetiv, 0 \ | |
79ba130c | 432 | }; \ |
433 | \ | |
434 | const gccipher pre##_cbc = { \ | |
aaae9cab | 435 | name "-cbc", pre##_keysz, PRE##_BLKSZ, \ |
79ba130c | 436 | ginit \ |
437 | }; \ | |
438 | \ | |
aaae9cab | 439 | CBC_TESTX(PRE, pre, name, fname) |
79ba130c | 440 | |
441 | /*----- Test rig ----------------------------------------------------------*/ | |
442 | ||
aaae9cab MW |
443 | #define CBC_TEST(PRE, pre) CBC_TESTX(PRE, pre, #pre, #pre) |
444 | ||
79ba130c | 445 | #ifdef TEST_RIG |
446 | ||
447 | #include <stdio.h> | |
448 | ||
449 | #include "daftstory.h" | |
450 | ||
451 | /* --- @CBC_TEST@ --- * | |
452 | * | |
453 | * Arguments: @PRE@, @pre@ = prefixes for block cipher definitions | |
454 | * | |
455 | * Use: Standard test rig for CBC functions. | |
456 | */ | |
457 | ||
aaae9cab | 458 | #define CBC_TESTX(PRE, pre, name, fname) \ |
79ba130c | 459 | \ |
460 | /* --- Initial plaintext for the test --- */ \ | |
461 | \ | |
462 | static const octet text[] = TEXT; \ | |
463 | \ | |
464 | /* --- Key and IV to use --- */ \ | |
465 | \ | |
466 | static const octet key[] = KEY; \ | |
467 | static const octet iv[] = IV; \ | |
468 | \ | |
469 | /* --- Buffers for encryption and decryption output --- */ \ | |
470 | \ | |
471 | static octet ct[sizeof(text)]; \ | |
472 | static octet pt[sizeof(text)]; \ | |
473 | \ | |
12331b2d | 474 | static void hexdump(const octet *p, size_t sz, size_t off) \ |
79ba130c | 475 | { \ |
476 | const octet *q = p + sz; \ | |
477 | for (sz = 0; p < q; p++, sz++) { \ | |
478 | printf("%02x", *p); \ | |
12331b2d | 479 | if ((off + sz + 1) % PRE##_BLKSZ == 0) \ |
79ba130c | 480 | putchar(':'); \ |
481 | } \ | |
482 | } \ | |
483 | \ | |
484 | int main(void) \ | |
485 | { \ | |
486 | size_t sz = 0, rest; \ | |
487 | pre##_cbcctx ctx; \ | |
488 | pre##_ctx k; \ | |
489 | int status = 0; \ | |
490 | int done = 0; \ | |
491 | \ | |
492 | size_t keysz = PRE##_KEYSZ ? \ | |
493 | PRE##_KEYSZ : strlen((const char *)key); \ | |
494 | \ | |
aaae9cab | 495 | fputs(name "-cbc: ", stdout); \ |
79ba130c | 496 | \ |
497 | pre##_init(&k, key, keysz); \ | |
498 | pre##_cbcsetkey(&ctx, &k); \ | |
499 | \ | |
500 | while (sz <= sizeof(text)) { \ | |
501 | rest = sizeof(text) - sz; \ | |
502 | memcpy(ct, text, sizeof(text)); \ | |
503 | pre##_cbcsetiv(&ctx, iv); \ | |
504 | pre##_cbcencrypt(&ctx, ct, ct, sz); \ | |
505 | pre##_cbcencrypt(&ctx, ct + sz, ct + sz, rest); \ | |
506 | memcpy(pt, ct, sizeof(text)); \ | |
507 | pre##_cbcsetiv(&ctx, iv); \ | |
508 | pre##_cbcdecrypt(&ctx, pt, pt, sz); \ | |
509 | pre##_cbcdecrypt(&ctx, pt + sz, pt + sz, rest); \ | |
510 | if (memcmp(pt, text, sizeof(text)) == 0) { \ | |
511 | done++; \ | |
512 | if (sizeof(text) < 40 || done % 8 == 0) \ | |
45c0fd36 | 513 | fputc('.', stdout); \ |
79ba130c | 514 | if (done % 480 == 0) \ |
45c0fd36 | 515 | fputs("\n\t", stdout); \ |
79ba130c | 516 | fflush(stdout); \ |
517 | } else { \ | |
518 | printf("\nError (sz = %lu)\n", (unsigned long)sz); \ | |
519 | status = 1; \ | |
12331b2d MW |
520 | printf("\tplaintext = "); hexdump(text, sz, 0); \ |
521 | printf(", "); hexdump(text + sz, rest, sz); \ | |
45c0fd36 | 522 | fputc('\n', stdout); \ |
12331b2d MW |
523 | printf("\tciphertext = "); hexdump(ct, sz, 0); \ |
524 | printf(", "); hexdump(ct + sz, rest, sz); \ | |
45c0fd36 | 525 | fputc('\n', stdout); \ |
12331b2d MW |
526 | printf("\trecovered text = "); hexdump(pt, sz, 0); \ |
527 | printf(", "); hexdump(pt + sz, rest, sz); \ | |
45c0fd36 | 528 | fputc('\n', stdout); \ |
79ba130c | 529 | fputc('\n', stdout); \ |
530 | } \ | |
531 | if (sz < 63) \ | |
532 | sz++; \ | |
533 | else \ | |
534 | sz += 9; \ | |
535 | } \ | |
536 | \ | |
537 | fputs(status ? " failed\n" : " ok\n", stdout); \ | |
538 | return (status); \ | |
539 | } | |
540 | ||
541 | #else | |
aaae9cab | 542 | # define CBC_TESTX(PRE, pre, name, fname) |
79ba130c | 543 | #endif |
544 | ||
545 | /*----- That's all, folks -------------------------------------------------*/ | |
546 | ||
547 | #ifdef __cplusplus | |
548 | } | |
549 | #endif | |
550 | ||
551 | #endif |