Commit | Line | Data |
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79ba130c | 1 | /* -*-c-*- |
79ba130c | 2 | * |
3 | * Definitions for output feedback 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_OFB_DEF_H |
29 | #define CATACOMB_OFB_DEF_H | |
30 | ||
31 | #ifdef __cplusplus | |
32 | extern "C" { | |
33 | #endif | |
34 | ||
35 | /*----- Header files ------------------------------------------------------*/ | |
36 | ||
37 | #include <stdarg.h> | |
38 | #include <string.h> | |
39 | ||
40 | #include <mLib/bits.h> | |
41 | #include <mLib/sub.h> | |
42 | ||
2af20fa2 | 43 | #ifndef CATACOMB_ARENA_H |
44 | # include "arena.h" | |
45 | #endif | |
46 | ||
79ba130c | 47 | #ifndef CATACOMB_BLKC_H |
48 | # include "blkc.h" | |
49 | #endif | |
50 | ||
51 | #ifndef CATACOMB_GCIPHER_H | |
52 | # include "gcipher.h" | |
53 | #endif | |
54 | ||
55 | #ifndef CATACOMB_PARANOIA_H | |
56 | # include "paranoia.h" | |
57 | #endif | |
58 | ||
59 | /*----- Macros ------------------------------------------------------------*/ | |
60 | ||
61 | /* --- @OFB_DEF@ --- * | |
62 | * | |
63 | * Arguments: @PRE@, @pre@ = prefixes for the underlying block cipher | |
64 | * | |
65 | * Use: Creates definitions for output feedback mode. | |
66 | */ | |
67 | ||
aaae9cab MW |
68 | #define OFB_DEF(PRE, pre) OFB_DEFX(PRE, pre, #pre, #pre) |
69 | ||
70 | #define OFB_DEFX(PRE, pre, name, fname) \ | |
79ba130c | 71 | \ |
72 | /* --- @pre_ofbgetiv@ --- * \ | |
73 | * \ | |
74 | * Arguments: @const pre_ofbctx *ctx@ = pointer to OFB context block \ | |
4efe32ba | 75 | * @void *iv@ = pointer to output data block \ |
79ba130c | 76 | * \ |
77 | * Returns: --- \ | |
78 | * \ | |
79 | * Use: Reads the currently set IV. Reading and setting an IV \ | |
80 | * is not transparent to the cipher. It will add a `step' \ | |
81 | * which must be matched by a similar operation during \ | |
82 | * decryption. \ | |
83 | */ \ | |
84 | \ | |
85 | void pre##_ofbgetiv(const pre##_ofbctx *ctx, void *iv) \ | |
86 | { \ | |
87 | octet *p = iv; \ | |
2af20fa2 | 88 | unsigned off = ctx->off; \ |
89 | unsigned rest = PRE##_BLKSZ - off; \ | |
79ba130c | 90 | memcpy(p, ctx->iv + off, rest); \ |
91 | memcpy(p + rest, ctx->iv, off); \ | |
92 | } \ | |
93 | \ | |
94 | /* --- @pre_ofbsetiv@ --- * \ | |
95 | * \ | |
96 | * Arguments: @pre_ofbctx *ctx@ = pointer to OFB context block \ | |
97 | * @cnost void *iv@ = pointer to IV to set \ | |
98 | * \ | |
99 | * Returns: --- \ | |
100 | * \ | |
101 | * Use: Sets the IV to use for subsequent encryption. \ | |
102 | */ \ | |
103 | \ | |
104 | void pre##_ofbsetiv(pre##_ofbctx *ctx, const void *iv) \ | |
105 | { \ | |
2af20fa2 | 106 | memcpy(ctx->iv, iv, PRE##_BLKSZ); \ |
107 | ctx->off = PRE##_BLKSZ; \ | |
79ba130c | 108 | } \ |
109 | \ | |
110 | /* --- @pre_ofbbdry@ --- * \ | |
111 | * \ | |
112 | * Arguments: @pre_ofbctx *ctx@ = pointer to OFB context block \ | |
113 | * \ | |
114 | * Returns: --- \ | |
115 | * \ | |
116 | * Use: Inserts a boundary during encryption. Successful \ | |
117 | * decryption must place a similar boundary. \ | |
118 | */ \ | |
119 | \ | |
120 | void pre##_ofbbdry(pre##_ofbctx *ctx) \ | |
121 | { \ | |
2af20fa2 | 122 | uint32 niv[PRE##_BLKSZ / 4]; \ |
123 | BLKC_LOAD(PRE, niv, ctx->iv); \ | |
124 | pre##_eblk(&ctx->ctx, niv, niv); \ | |
125 | BLKC_STORE(PRE, ctx->iv, niv); \ | |
126 | ctx->off = PRE##_BLKSZ; \ | |
127 | BURN(niv); \ | |
79ba130c | 128 | } \ |
129 | \ | |
130 | /* --- @pre_ofbsetkey@ --- * \ | |
131 | * \ | |
132 | * Arguments: @pre_ofbctx *ctx@ = pointer to OFB context block \ | |
133 | * @const pre_ctx *k@ = pointer to cipher context \ | |
134 | * \ | |
135 | * Returns: --- \ | |
136 | * \ | |
137 | * Use: Sets the OFB context to use a different cipher key. \ | |
138 | */ \ | |
139 | \ | |
140 | void pre##_ofbsetkey(pre##_ofbctx *ctx, const pre##_ctx *k) \ | |
141 | { \ | |
142 | ctx->ctx = *k; \ | |
143 | } \ | |
144 | \ | |
145 | /* --- @pre_ofbinit@ --- * \ | |
146 | * \ | |
147 | * Arguments: @pre_ofbctx *ctx@ = pointer to cipher context \ | |
148 | * @const void *key@ = pointer to the key buffer \ | |
149 | * @size_t sz@ = size of the key \ | |
150 | * @const void *iv@ = pointer to initialization vector \ | |
151 | * \ | |
152 | * Returns: --- \ | |
153 | * \ | |
154 | * Use: Initializes a OFB context ready for use. You should \ | |
155 | * ensure that the IV chosen is unique: reusing an IV will \ | |
156 | * compromise the security of the entire plaintext. This \ | |
157 | * is equivalent to calls to @pre_init@, @pre_ofbsetkey@ \ | |
158 | * and @pre_ofbsetiv@. \ | |
159 | */ \ | |
160 | \ | |
161 | void pre##_ofbinit(pre##_ofbctx *ctx, \ | |
162 | const void *key, size_t sz, \ | |
163 | const void *iv) \ | |
164 | { \ | |
4e66da02 | 165 | static const octet zero[PRE##_BLKSZ] = { 0 }; \ |
79ba130c | 166 | pre##_init(&ctx->ctx, key, sz); \ |
167 | pre##_ofbsetiv(ctx, iv ? iv : zero); \ | |
168 | } \ | |
169 | \ | |
170 | /* --- @pre_ofbencrypt@ --- * \ | |
171 | * \ | |
172 | * Arguments: @pre_ofbctx *ctx@ = pointer to OFB context block \ | |
173 | * @const void *src@ = pointer to source data \ | |
174 | * @void *dest@ = pointer to destination data \ | |
175 | * @size_t sz@ = size of block to be encrypted \ | |
176 | * \ | |
177 | * Returns: --- \ | |
178 | * \ | |
179 | * Use: Encrypts or decrypts a block with a block cipher in OFB \ | |
180 | * mode: encryption and decryption are the same in OFB. \ | |
181 | * The destination may be null to just churn the feedback \ | |
182 | * round for a bit. The source may be null to use the \ | |
183 | * cipher as a random data generator. \ | |
184 | */ \ | |
185 | \ | |
186 | void pre##_ofbencrypt(pre##_ofbctx *ctx, \ | |
187 | const void *src, void *dest, \ | |
188 | size_t sz) \ | |
189 | { \ | |
190 | const octet *s = src; \ | |
191 | octet *d = dest; \ | |
2af20fa2 | 192 | unsigned off = ctx->off; \ |
79ba130c | 193 | \ |
194 | /* --- Empty blocks are trivial --- */ \ | |
195 | \ | |
196 | if (!sz) \ | |
197 | return; \ | |
198 | \ | |
199 | /* --- If I can deal with the block from my buffer, do that --- */ \ | |
200 | \ | |
201 | if (sz < PRE##_BLKSZ - off) \ | |
202 | goto small; \ | |
203 | \ | |
204 | /* --- Finish off what's left in my buffer --- */ \ | |
205 | \ | |
206 | if (!d) \ | |
2af20fa2 | 207 | sz -= PRE##_BLKSZ - off; \ |
79ba130c | 208 | else { \ |
209 | while (off < PRE##_BLKSZ) { \ | |
210 | register octet x = s ? *s++ : 0; \ | |
211 | *d++ = ctx->iv[off++] ^ x; \ | |
212 | sz--; \ | |
213 | } \ | |
214 | } \ | |
215 | \ | |
216 | /* --- Main encryption loop --- */ \ | |
217 | \ | |
218 | { \ | |
219 | uint32 iv[PRE##_BLKSZ / 4]; \ | |
220 | BLKC_LOAD(PRE, iv, ctx->iv); \ | |
221 | \ | |
222 | for (;;) { \ | |
223 | pre##_eblk(&ctx->ctx, iv, iv); \ | |
224 | if (sz < PRE##_BLKSZ) \ | |
225 | break; \ | |
226 | if (d) { \ | |
227 | if (!s) \ | |
228 | BLKC_STORE(PRE, d, iv); \ | |
229 | else { \ | |
230 | uint32 x[PRE##_BLKSZ / 4]; \ | |
231 | BLKC_LOAD(PRE, x, s); \ | |
232 | BLKC_XSTORE(PRE, d, iv, x); \ | |
233 | s += PRE##_BLKSZ; \ | |
234 | } \ | |
235 | d += PRE##_BLKSZ; \ | |
236 | } \ | |
237 | sz -= PRE##_BLKSZ; \ | |
238 | } \ | |
239 | \ | |
240 | BLKC_STORE(PRE, ctx->iv, iv); \ | |
241 | off = 0; \ | |
242 | } \ | |
243 | \ | |
244 | /* --- Tidying up the tail end --- */ \ | |
245 | \ | |
246 | if (sz) { \ | |
247 | small: \ | |
248 | if (!d) \ | |
249 | off += sz; \ | |
250 | else do { \ | |
251 | register octet x = s ? *s++ : 0; \ | |
252 | *d++ = ctx->iv[off++] ^ x; \ | |
253 | sz--; \ | |
254 | } while (sz); \ | |
255 | } \ | |
256 | \ | |
257 | /* --- Done --- */ \ | |
258 | \ | |
259 | ctx->off = off; \ | |
260 | return; \ | |
261 | } \ | |
262 | \ | |
263 | /* --- Generic cipher interface --- */ \ | |
264 | \ | |
265 | static const gcipher_ops gops; \ | |
266 | \ | |
267 | typedef struct gctx { \ | |
268 | gcipher c; \ | |
269 | pre##_ofbctx k; \ | |
270 | } gctx; \ | |
271 | \ | |
272 | static gcipher *ginit(const void *k, size_t sz) \ | |
273 | { \ | |
2af20fa2 | 274 | gctx *g = S_CREATE(gctx); \ |
79ba130c | 275 | g->c.ops = &gops; \ |
276 | pre##_ofbinit(&g->k, k, sz, 0); \ | |
277 | return (&g->c); \ | |
278 | } \ | |
279 | \ | |
280 | static void gencrypt(gcipher *c, const void *s, void *t, size_t sz) \ | |
281 | { \ | |
282 | gctx *g = (gctx *)c; \ | |
283 | pre##_ofbencrypt(&g->k, s, t, sz); \ | |
284 | } \ | |
285 | \ | |
286 | static void gdestroy(gcipher *c) \ | |
287 | { \ | |
288 | gctx *g = (gctx *)c; \ | |
2af20fa2 | 289 | BURN(*g); \ |
290 | S_DESTROY(g); \ | |
79ba130c | 291 | } \ |
292 | \ | |
293 | static void gsetiv(gcipher *c, const void *iv) \ | |
294 | { \ | |
295 | gctx *g = (gctx *)c; \ | |
296 | pre##_ofbsetiv(&g->k, iv); \ | |
297 | } \ | |
298 | \ | |
299 | static void gbdry(gcipher *c) \ | |
300 | { \ | |
301 | gctx *g = (gctx *)c; \ | |
302 | pre##_ofbbdry(&g->k); \ | |
303 | } \ | |
304 | \ | |
305 | static const gcipher_ops gops = { \ | |
2af20fa2 | 306 | &pre##_ofb, \ |
79ba130c | 307 | gencrypt, gencrypt, gdestroy, gsetiv, gbdry \ |
308 | }; \ | |
309 | \ | |
310 | const gccipher pre##_ofb = { \ | |
aaae9cab | 311 | name "-ofb", pre##_keysz, PRE##_BLKSZ, \ |
79ba130c | 312 | ginit \ |
313 | }; \ | |
314 | \ | |
315 | /* --- Generic random number generator interface --- */ \ | |
316 | \ | |
317 | typedef struct grctx { \ | |
318 | grand r; \ | |
319 | pre##_ofbctx k; \ | |
320 | } grctx; \ | |
321 | \ | |
322 | static void grdestroy(grand *r) \ | |
323 | { \ | |
324 | grctx *g = (grctx *)r; \ | |
2af20fa2 | 325 | BURN(*g); \ |
326 | S_DESTROY(g); \ | |
79ba130c | 327 | } \ |
328 | \ | |
329 | static int grmisc(grand *r, unsigned op, ...) \ | |
330 | { \ | |
331 | grctx *g = (grctx *)r; \ | |
332 | va_list ap; \ | |
333 | int rc = 0; \ | |
360c232e | 334 | uint32 i; \ |
79ba130c | 335 | octet buf[PRE##_BLKSZ]; \ |
336 | va_start(ap, op); \ | |
337 | \ | |
338 | switch (op) { \ | |
339 | case GRAND_CHECK: \ | |
340 | switch (va_arg(ap, unsigned)) { \ | |
341 | case GRAND_CHECK: \ | |
342 | case GRAND_SEEDINT: \ | |
343 | case GRAND_SEEDUINT32: \ | |
344 | case GRAND_SEEDBLOCK: \ | |
4ab1268f | 345 | case GRAND_SEEDRAND: \ |
79ba130c | 346 | rc = 1; \ |
347 | break; \ | |
348 | default: \ | |
349 | rc = 0; \ | |
350 | break; \ | |
351 | } \ | |
352 | break; \ | |
353 | case GRAND_SEEDINT: \ | |
354 | memset(buf, 0, sizeof(buf)); \ | |
360c232e | 355 | i = va_arg(ap, unsigned); \ |
356 | STORE32(buf, i); \ | |
79ba130c | 357 | pre##_ofbsetiv(&g->k, buf); \ |
358 | break; \ | |
359 | case GRAND_SEEDUINT32: \ | |
360 | memset(buf, 0, sizeof(buf)); \ | |
360c232e | 361 | i = va_arg(ap, uint32); \ |
362 | STORE32(buf, i); \ | |
79ba130c | 363 | pre##_ofbsetiv(&g->k, buf); \ |
364 | break; \ | |
365 | case GRAND_SEEDBLOCK: { \ | |
366 | const void *p = va_arg(ap, const void *); \ | |
367 | size_t sz = va_arg(ap, size_t); \ | |
368 | if (sz < sizeof(buf)) { \ | |
369 | memset(buf, 0, sizeof(buf)); \ | |
370 | memcpy(buf, p, sz); \ | |
371 | p = buf; \ | |
372 | } \ | |
373 | pre##_ofbsetiv(&g->k, p); \ | |
374 | } break; \ | |
4ab1268f | 375 | case GRAND_SEEDRAND: { \ |
376 | grand *rr = va_arg(ap, grand *); \ | |
377 | rr->ops->fill(rr, buf, sizeof(buf)); \ | |
378 | pre##_ofbsetiv(&g->k, buf); \ | |
379 | } break; \ | |
380 | default: \ | |
381 | GRAND_BADOP; \ | |
382 | break; \ | |
79ba130c | 383 | } \ |
384 | \ | |
385 | va_end(ap); \ | |
386 | return (rc); \ | |
387 | } \ | |
388 | \ | |
389 | static octet grbyte(grand *r) \ | |
390 | { \ | |
391 | grctx *g = (grctx *)r; \ | |
392 | octet o; \ | |
393 | pre##_ofbencrypt(&g->k, 0, &o, 1); \ | |
394 | return (o); \ | |
395 | } \ | |
396 | \ | |
397 | static uint32 grword(grand *r) \ | |
398 | { \ | |
399 | grctx *g = (grctx *)r; \ | |
400 | octet b[4]; \ | |
401 | pre##_ofbencrypt(&g->k, 0, b, sizeof(b)); \ | |
402 | return (LOAD32(b)); \ | |
403 | } \ | |
404 | \ | |
405 | static void grfill(grand *r, void *p, size_t sz) \ | |
406 | { \ | |
407 | grctx *g = (grctx *)r; \ | |
408 | pre##_ofbencrypt(&g->k, 0, p, sz); \ | |
409 | } \ | |
410 | \ | |
411 | static const grand_ops grops = { \ | |
aaae9cab | 412 | name "-ofb", \ |
2af20fa2 | 413 | GRAND_CRYPTO, 0, \ |
79ba130c | 414 | grmisc, grdestroy, \ |
44ff6c11 | 415 | grword, grbyte, grword, grand_defaultrange, grfill \ |
79ba130c | 416 | }; \ |
417 | \ | |
418 | /* --- @pre_ofbrand@ --- * \ | |
419 | * \ | |
420 | * Arguments: @const void *k@ = pointer to key material \ | |
421 | * @size_t sz@ = size of key material \ | |
422 | * \ | |
423 | * Returns: Pointer to generic random number generator interface. \ | |
424 | * \ | |
425 | * Use: Creates a random number interface wrapper around an \ | |
426 | * OFB-mode block cipher. \ | |
427 | */ \ | |
428 | \ | |
429 | grand *pre##_ofbrand(const void *k, size_t sz) \ | |
430 | { \ | |
2af20fa2 | 431 | grctx *g = S_CREATE(grctx); \ |
79ba130c | 432 | g->r.ops = &grops; \ |
433 | pre##_ofbinit(&g->k, k, sz, 0); \ | |
434 | return (&g->r); \ | |
435 | } \ | |
436 | \ | |
aaae9cab | 437 | OFB_TESTX(PRE, pre, name, name) |
79ba130c | 438 | |
439 | /*----- Test rig ----------------------------------------------------------*/ | |
440 | ||
aaae9cab MW |
441 | #define OFB_TEST(PRE, pre) OFB_TESTX(PRE, pre, #pre, #pre) |
442 | ||
79ba130c | 443 | #ifdef TEST_RIG |
444 | ||
445 | #include <stdio.h> | |
446 | ||
447 | #include "daftstory.h" | |
448 | ||
449 | /* --- @OFB_TEST@ --- * | |
450 | * | |
451 | * Arguments: @PRE@, @pre@ = prefixes for block cipher definitions | |
452 | * | |
453 | * Use: Standard test rig for OFB functions. | |
454 | */ | |
455 | ||
aaae9cab | 456 | #define OFB_TESTX(PRE, pre, name, fname) \ |
79ba130c | 457 | \ |
458 | /* --- Initial plaintext for the test --- */ \ | |
459 | \ | |
460 | static const octet text[] = TEXT; \ | |
461 | \ | |
462 | /* --- Key and IV to use --- */ \ | |
463 | \ | |
464 | static const octet key[] = KEY; \ | |
465 | static const octet iv[] = IV; \ | |
466 | \ | |
467 | /* --- Buffers for encryption and decryption output --- */ \ | |
468 | \ | |
469 | static octet ct[sizeof(text)]; \ | |
470 | static octet pt[sizeof(text)]; \ | |
471 | \ | |
12331b2d | 472 | static void hexdump(const octet *p, size_t sz, size_t off) \ |
79ba130c | 473 | { \ |
474 | const octet *q = p + sz; \ | |
475 | for (sz = 0; p < q; p++, sz++) { \ | |
476 | printf("%02x", *p); \ | |
12331b2d | 477 | if ((off + sz + 1) % PRE##_BLKSZ == 0) \ |
79ba130c | 478 | putchar(':'); \ |
479 | } \ | |
480 | } \ | |
481 | \ | |
482 | int main(void) \ | |
483 | { \ | |
484 | size_t sz = 0, rest; \ | |
485 | pre##_ofbctx ctx; \ | |
486 | int status = 0; \ | |
487 | int done = 0; \ | |
488 | pre##_ctx k; \ | |
489 | \ | |
490 | size_t keysz = PRE##_KEYSZ ? \ | |
491 | PRE##_KEYSZ : strlen((const char *)key); \ | |
492 | \ | |
aaae9cab | 493 | fputs(name "-ofb: ", stdout); \ |
79ba130c | 494 | \ |
495 | pre##_init(&k, key, keysz); \ | |
496 | pre##_ofbsetkey(&ctx, &k); \ | |
497 | \ | |
498 | while (sz <= sizeof(text)) { \ | |
499 | rest = sizeof(text) - sz; \ | |
500 | memcpy(ct, text, sizeof(text)); \ | |
501 | pre##_ofbsetiv(&ctx, iv); \ | |
502 | pre##_ofbencrypt(&ctx, ct, ct, sz); \ | |
503 | pre##_ofbencrypt(&ctx, ct + sz, ct + sz, rest); \ | |
504 | memcpy(pt, ct, sizeof(text)); \ | |
505 | pre##_ofbsetiv(&ctx, iv); \ | |
506 | pre##_ofbencrypt(&ctx, pt, pt, rest); \ | |
507 | pre##_ofbencrypt(&ctx, pt + rest, pt + rest, sz); \ | |
508 | if (memcmp(pt, text, sizeof(text)) == 0) { \ | |
509 | done++; \ | |
510 | if (sizeof(text) < 40 || done % 8 == 0) \ | |
45c0fd36 | 511 | fputc('.', stdout); \ |
79ba130c | 512 | if (done % 480 == 0) \ |
45c0fd36 | 513 | fputs("\n\t", stdout); \ |
79ba130c | 514 | fflush(stdout); \ |
515 | } else { \ | |
516 | printf("\nError (sz = %lu)\n", (unsigned long)sz); \ | |
517 | status = 1; \ | |
12331b2d MW |
518 | printf("\tplaintext = "); hexdump(text, sz, 0); \ |
519 | printf(", "); hexdump(text + sz, rest, sz); \ | |
45c0fd36 | 520 | fputc('\n', stdout); \ |
12331b2d MW |
521 | printf("\tciphertext = "); hexdump(ct, sz, 0); \ |
522 | printf(", "); hexdump(ct + sz, rest, sz); \ | |
45c0fd36 | 523 | fputc('\n', stdout); \ |
12331b2d MW |
524 | printf("\trecovered text = "); hexdump(pt, sz, 0); \ |
525 | printf(", "); hexdump(pt + sz, rest, sz); \ | |
45c0fd36 | 526 | fputc('\n', stdout); \ |
79ba130c | 527 | fputc('\n', stdout); \ |
528 | } \ | |
529 | if (sz < 63) \ | |
530 | sz++; \ | |
531 | else \ | |
532 | sz += 9; \ | |
533 | } \ | |
534 | \ | |
535 | fputs(status ? " failed\n" : " ok\n", stdout); \ | |
536 | return (status); \ | |
537 | } | |
538 | ||
539 | #else | |
aaae9cab | 540 | # define OFB_TESTX(PRE, pre, name, fname) |
79ba130c | 541 | #endif |
542 | ||
543 | /*----- That's all, folks -------------------------------------------------*/ | |
544 | ||
545 | #ifdef __cplusplus | |
546 | } | |
547 | #endif | |
548 | ||
549 | #endif |