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