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comparison libtomcrypt/src/headers/tomcrypt_cipher.h @ 382:0cbe8f6dbf9e

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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f) to branch 'au.asn.ucc.matt.dropbear' (head 02c413252c90e9de8e03d91e9939dde3029f5c0a)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 11 Jan 2007 02:41:05 +0000
parents 1b9e69c058d2
children f849a5ca2efc
comparison
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379:b66a00272a90 382:0cbe8f6dbf9e
32 32
33 #ifdef RIJNDAEL 33 #ifdef RIJNDAEL
34 struct rijndael_key { 34 struct rijndael_key {
35 ulong32 eK[60], dK[60]; 35 ulong32 eK[60], dK[60];
36 int Nr; 36 int Nr;
37 };
38 #endif
39
40 #ifdef KSEED
41 struct kseed_key {
42 ulong32 K[32], dK[32];
43 };
44 #endif
45
46 #ifdef LTC_KASUMI
47 struct kasumi_key {
48 ulong32 KLi1[8], KLi2[8],
49 KOi1[8], KOi2[8], KOi3[8],
50 KIi1[8], KIi2[8], KIi3[8];
37 }; 51 };
38 #endif 52 #endif
39 53
40 #ifdef XTEA 54 #ifdef XTEA
41 struct xtea_key { 55 struct xtea_key {
162 struct khazad_key khazad; 176 struct khazad_key khazad;
163 #endif 177 #endif
164 #ifdef ANUBIS 178 #ifdef ANUBIS
165 struct anubis_key anubis; 179 struct anubis_key anubis;
166 #endif 180 #endif
181 #ifdef KSEED
182 struct kseed_key kseed;
183 #endif
184 #ifdef LTC_KASUMI
185 struct kasumi_key kasumi;
186 #endif
167 void *data; 187 void *data;
168 } symmetric_key; 188 } symmetric_key;
169 189
170 /* A block cipher ECB structure */ 190 #ifdef LTC_ECB_MODE
191 /** A block cipher ECB structure */
171 typedef struct { 192 typedef struct {
172 /** The index of the cipher chosen */ 193 /** The index of the cipher chosen */
173 int cipher, 194 int cipher,
174 /** The block size of the given cipher */ 195 /** The block size of the given cipher */
175 blocklen; 196 blocklen;
176 /** The scheduled key */ 197 /** The scheduled key */
177 symmetric_key key; 198 symmetric_key key;
178 } symmetric_ECB; 199 } symmetric_ECB;
179 200 #endif
180 /* A block cipher CFB structure */ 201
202 #ifdef LTC_CFB_MODE
203 /** A block cipher CFB structure */
181 typedef struct { 204 typedef struct {
182 /** The index of the cipher chosen */ 205 /** The index of the cipher chosen */
183 int cipher, 206 int cipher,
184 /** The block size of the given cipher */ 207 /** The block size of the given cipher */
185 blocklen, 208 blocklen,
190 /** The pad used to encrypt/decrypt */ 213 /** The pad used to encrypt/decrypt */
191 pad[MAXBLOCKSIZE]; 214 pad[MAXBLOCKSIZE];
192 /** The scheduled key */ 215 /** The scheduled key */
193 symmetric_key key; 216 symmetric_key key;
194 } symmetric_CFB; 217 } symmetric_CFB;
195 218 #endif
196 /* A block cipher OFB structure */ 219
220 #ifdef LTC_OFB_MODE
221 /** A block cipher OFB structure */
197 typedef struct { 222 typedef struct {
198 /** The index of the cipher chosen */ 223 /** The index of the cipher chosen */
199 int cipher, 224 int cipher,
200 /** The block size of the given cipher */ 225 /** The block size of the given cipher */
201 blocklen, 226 blocklen,
204 /** The current IV */ 229 /** The current IV */
205 unsigned char IV[MAXBLOCKSIZE]; 230 unsigned char IV[MAXBLOCKSIZE];
206 /** The scheduled key */ 231 /** The scheduled key */
207 symmetric_key key; 232 symmetric_key key;
208 } symmetric_OFB; 233 } symmetric_OFB;
209 234 #endif
210 /* A block cipher CBC structure */ 235
236 #ifdef LTC_CBC_MODE
237 /** A block cipher CBC structure */
211 typedef struct { 238 typedef struct {
212 /** The index of the cipher chosen */ 239 /** The index of the cipher chosen */
213 int cipher, 240 int cipher,
214 /** The block size of the given cipher */ 241 /** The block size of the given cipher */
215 blocklen; 242 blocklen;
216 /** The current IV */ 243 /** The current IV */
217 unsigned char IV[MAXBLOCKSIZE]; 244 unsigned char IV[MAXBLOCKSIZE];
218 /** The scheduled key */ 245 /** The scheduled key */
219 symmetric_key key; 246 symmetric_key key;
220 } symmetric_CBC; 247 } symmetric_CBC;
221 248 #endif
222 /* A block cipher CTR structure */ 249
250
251 #ifdef LTC_CTR_MODE
252 /** A block cipher CTR structure */
223 typedef struct { 253 typedef struct {
224 /** The index of the cipher chosen */ 254 /** The index of the cipher chosen */
225 int cipher, 255 int cipher,
226 /** The block size of the given cipher */ 256 /** The block size of the given cipher */
227 blocklen, 257 blocklen,
234 /** The pad used to encrypt/decrypt */ 264 /** The pad used to encrypt/decrypt */
235 pad[MAXBLOCKSIZE]; 265 pad[MAXBLOCKSIZE];
236 /** The scheduled key */ 266 /** The scheduled key */
237 symmetric_key key; 267 symmetric_key key;
238 } symmetric_CTR; 268 } symmetric_CTR;
239 269 #endif
240 /* cipher descriptor table, last entry has "name == NULL" to mark the end of table */ 270
271
272 #ifdef LTC_LRW_MODE
273 /** A LRW structure */
274 typedef struct {
275 /** The index of the cipher chosen (must be a 128-bit block cipher) */
276 int cipher;
277
278 /** The current IV */
279 unsigned char IV[16],
280
281 /** the tweak key */
282 tweak[16],
283
284 /** The current pad, it's the product of the first 15 bytes against the tweak key */
285 pad[16];
286
287 /** The scheduled symmetric key */
288 symmetric_key key;
289
290 #ifdef LRW_TABLES
291 /** The pre-computed multiplication table */
292 unsigned char PC[16][256][16];
293 #endif
294 } symmetric_LRW;
295 #endif
296
297 #ifdef LTC_F8_MODE
298 /** A block cipher F8 structure */
299 typedef struct {
300 /** The index of the cipher chosen */
301 int cipher,
302 /** The block size of the given cipher */
303 blocklen,
304 /** The padding offset */
305 padlen;
306 /** The current IV */
307 unsigned char IV[MAXBLOCKSIZE],
308 MIV[MAXBLOCKSIZE];
309 /** Current block count */
310 ulong32 blockcnt;
311 /** The scheduled key */
312 symmetric_key key;
313 } symmetric_F8;
314 #endif
315
316
317 /** cipher descriptor table, last entry has "name == NULL" to mark the end of table */
241 extern struct ltc_cipher_descriptor { 318 extern struct ltc_cipher_descriptor {
242 /** name of cipher */ 319 /** name of cipher */
243 char *name; 320 char *name;
244 /** internal ID */ 321 /** internal ID */
245 unsigned char ID; 322 unsigned char ID;
261 int (*setup)(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 338 int (*setup)(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
262 /** Encrypt a block 339 /** Encrypt a block
263 @param pt The plaintext 340 @param pt The plaintext
264 @param ct [out] The ciphertext 341 @param ct [out] The ciphertext
265 @param skey The scheduled key 342 @param skey The scheduled key
266 */ 343 @return CRYPT_OK if successful
267 void (*ecb_encrypt)(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 344 */
345 int (*ecb_encrypt)(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
268 /** Decrypt a block 346 /** Decrypt a block
269 @param ct The ciphertext 347 @param ct The ciphertext
270 @param pt [out] The plaintext 348 @param pt [out] The plaintext
271 @param skey The scheduled key 349 @param skey The scheduled key
272 */ 350 @return CRYPT_OK if successful
273 void (*ecb_decrypt)(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 351 */
352 int (*ecb_decrypt)(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
274 /** Test the block cipher 353 /** Test the block cipher
275 @return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled 354 @return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled
276 */ 355 */
277 int (*test)(void); 356 int (*test)(void);
278 357
291 /** Accelerated ECB encryption 370 /** Accelerated ECB encryption
292 @param pt Plaintext 371 @param pt Plaintext
293 @param ct Ciphertext 372 @param ct Ciphertext
294 @param blocks The number of complete blocks to process 373 @param blocks The number of complete blocks to process
295 @param skey The scheduled key context 374 @param skey The scheduled key context
296 */ 375 @return CRYPT_OK if successful
297 void (*accel_ecb_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, symmetric_key *skey); 376 */
377 int (*accel_ecb_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, symmetric_key *skey);
298 378
299 /** Accelerated ECB decryption 379 /** Accelerated ECB decryption
300 @param pt Plaintext 380 @param pt Plaintext
301 @param ct Ciphertext 381 @param ct Ciphertext
302 @param blocks The number of complete blocks to process 382 @param blocks The number of complete blocks to process
303 @param skey The scheduled key context 383 @param skey The scheduled key context
304 */ 384 @return CRYPT_OK if successful
305 void (*accel_ecb_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, symmetric_key *skey); 385 */
386 int (*accel_ecb_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, symmetric_key *skey);
306 387
307 /** Accelerated CBC encryption 388 /** Accelerated CBC encryption
308 @param pt Plaintext 389 @param pt Plaintext
309 @param ct Ciphertext 390 @param ct Ciphertext
310 @param blocks The number of complete blocks to process 391 @param blocks The number of complete blocks to process
311 @param IV The initial value (input/output) 392 @param IV The initial value (input/output)
312 @param skey The scheduled key context 393 @param skey The scheduled key context
313 */ 394 @return CRYPT_OK if successful
314 void (*accel_cbc_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, symmetric_key *skey); 395 */
396 int (*accel_cbc_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, symmetric_key *skey);
315 397
316 /** Accelerated CBC decryption 398 /** Accelerated CBC decryption
317 @param pt Plaintext 399 @param pt Plaintext
318 @param ct Ciphertext 400 @param ct Ciphertext
319 @param blocks The number of complete blocks to process 401 @param blocks The number of complete blocks to process
320 @param IV The initial value (input/output) 402 @param IV The initial value (input/output)
321 @param skey The scheduled key context 403 @param skey The scheduled key context
322 */ 404 @return CRYPT_OK if successful
323 void (*accel_cbc_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, unsigned char *IV, symmetric_key *skey); 405 */
406 int (*accel_cbc_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, unsigned char *IV, symmetric_key *skey);
324 407
325 /** Accelerated CTR encryption 408 /** Accelerated CTR encryption
326 @param pt Plaintext 409 @param pt Plaintext
327 @param ct Ciphertext 410 @param ct Ciphertext
328 @param blocks The number of complete blocks to process 411 @param blocks The number of complete blocks to process
329 @param IV The initial value (input/output) 412 @param IV The initial value (input/output)
330 @param mode little or big endian counter (mode=0 or mode=1) 413 @param mode little or big endian counter (mode=0 or mode=1)
331 @param skey The scheduled key context 414 @param skey The scheduled key context
332 */ 415 @return CRYPT_OK if successful
333 void (*accel_ctr_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, int mode, symmetric_key *skey); 416 */
417 int (*accel_ctr_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, int mode, symmetric_key *skey);
418
419 /** Accelerated LRW
420 @param pt Plaintext
421 @param ct Ciphertext
422 @param blocks The number of complete blocks to process
423 @param IV The initial value (input/output)
424 @param tweak The LRW tweak
425 @param skey The scheduled key context
426 @return CRYPT_OK if successful
427 */
428 int (*accel_lrw_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, const unsigned char *tweak, symmetric_key *skey);
429
430 /** Accelerated LRW
431 @param ct Ciphertext
432 @param pt Plaintext
433 @param blocks The number of complete blocks to process
434 @param IV The initial value (input/output)
435 @param tweak The LRW tweak
436 @param skey The scheduled key context
437 @return CRYPT_OK if successful
438 */
439 int (*accel_lrw_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, unsigned char *IV, const unsigned char *tweak, symmetric_key *skey);
334 440
335 /** Accelerated CCM packet (one-shot) 441 /** Accelerated CCM packet (one-shot)
336 @param key The secret key to use 442 @param key The secret key to use
337 @param keylen The length of the secret key (octets) 443 @param keylen The length of the secret key (octets)
444 @param uskey A previously scheduled key [optional can be NULL]
338 @param nonce The session nonce [use once] 445 @param nonce The session nonce [use once]
339 @param noncelen The length of the nonce 446 @param noncelen The length of the nonce
340 @param header The header for the session 447 @param header The header for the session
341 @param headerlen The length of the header (octets) 448 @param headerlen The length of the header (octets)
342 @param pt [out] The plaintext 449 @param pt [out] The plaintext
345 @param tag [out] The destination tag 452 @param tag [out] The destination tag
346 @param taglen [in/out] The max size and resulting size of the authentication tag 453 @param taglen [in/out] The max size and resulting size of the authentication tag
347 @param direction Encrypt or Decrypt direction (0 or 1) 454 @param direction Encrypt or Decrypt direction (0 or 1)
348 @return CRYPT_OK if successful 455 @return CRYPT_OK if successful
349 */ 456 */
350 void (*accel_ccm_memory)( 457 int (*accel_ccm_memory)(
351 const unsigned char *key, unsigned long keylen, 458 const unsigned char *key, unsigned long keylen,
459 symmetric_key *uskey,
352 const unsigned char *nonce, unsigned long noncelen, 460 const unsigned char *nonce, unsigned long noncelen,
353 const unsigned char *header, unsigned long headerlen, 461 const unsigned char *header, unsigned long headerlen,
354 unsigned char *pt, unsigned long ptlen, 462 unsigned char *pt, unsigned long ptlen,
355 unsigned char *ct, 463 unsigned char *ct,
356 unsigned char *tag, unsigned long *taglen, 464 unsigned char *tag, unsigned long *taglen,
357 int direction); 465 int direction);
358 466
359 /** Accelerated GCM packet (one shot) 467 /** Accelerated GCM packet (one shot)
360 @param key The secret key 468 @param key The secret key
361 @param keylen The length of the secret key 469 @param keylen The length of the secret key
362 @param IV The initial vector 470 @param IV The initial vector
363 @param IVlen The length of the initial vector 471 @param IVlen The length of the initial vector
364 @param adata The additional authentication data (header) 472 @param adata The additional authentication data (header)
365 @param adatalen The length of the adata 473 @param adatalen The length of the adata
366 @param pt The plaintext 474 @param pt The plaintext
367 @param ptlen The length of the plaintext (ciphertext length is the same) 475 @param ptlen The length of the plaintext (ciphertext length is the same)
368 @param ct The ciphertext 476 @param ct The ciphertext
369 @param tag [out] The MAC tag 477 @param tag [out] The MAC tag
370 @param taglen [in/out] The MAC tag length 478 @param taglen [in/out] The MAC tag length
371 @param direction Encrypt or Decrypt mode (GCM_ENCRYPT or GCM_DECRYPT) 479 @param direction Encrypt or Decrypt mode (GCM_ENCRYPT or GCM_DECRYPT)
372 */ 480 @return CRYPT_OK on success
373 void (*accel_gcm_memory)( 481 */
482 int (*accel_gcm_memory)(
374 const unsigned char *key, unsigned long keylen, 483 const unsigned char *key, unsigned long keylen,
375 const unsigned char *IV, unsigned long IVlen, 484 const unsigned char *IV, unsigned long IVlen,
376 const unsigned char *adata, unsigned long adatalen, 485 const unsigned char *adata, unsigned long adatalen,
377 unsigned char *pt, unsigned long ptlen, 486 unsigned char *pt, unsigned long ptlen,
378 unsigned char *ct, 487 unsigned char *ct,
379 unsigned char *tag, unsigned long *taglen, 488 unsigned char *tag, unsigned long *taglen,
380 int direction); 489 int direction);
490
491 /** Accelerated one shot OMAC
492 @param key The secret key
493 @param keylen The key length (octets)
494 @param in The message
495 @param inlen Length of message (octets)
496 @param out [out] Destination for tag
497 @param outlen [in/out] Initial and final size of out
498 @return CRYPT_OK on success
499 */
500 int (*omac_memory)(
501 const unsigned char *key, unsigned long keylen,
502 const unsigned char *in, unsigned long inlen,
503 unsigned char *out, unsigned long *outlen);
504
505 /** Accelerated one shot XCBC
506 @param key The secret key
507 @param keylen The key length (octets)
508 @param in The message
509 @param inlen Length of message (octets)
510 @param out [out] Destination for tag
511 @param outlen [in/out] Initial and final size of out
512 @return CRYPT_OK on success
513 */
514 int (*xcbc_memory)(
515 const unsigned char *key, unsigned long keylen,
516 const unsigned char *in, unsigned long inlen,
517 unsigned char *out, unsigned long *outlen);
518
519 /** Accelerated one shot F9
520 @param key The secret key
521 @param keylen The key length (octets)
522 @param in The message
523 @param inlen Length of message (octets)
524 @param out [out] Destination for tag
525 @param outlen [in/out] Initial and final size of out
526 @return CRYPT_OK on success
527 @remark Requires manual padding
528 */
529 int (*f9_memory)(
530 const unsigned char *key, unsigned long keylen,
531 const unsigned char *in, unsigned long inlen,
532 unsigned char *out, unsigned long *outlen);
381 } cipher_descriptor[]; 533 } cipher_descriptor[];
382 534
383 #ifdef BLOWFISH 535 #ifdef BLOWFISH
384 int blowfish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 536 int blowfish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
385 void blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 537 int blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
386 void blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 538 int blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
387 int blowfish_test(void); 539 int blowfish_test(void);
388 void blowfish_done(symmetric_key *skey); 540 void blowfish_done(symmetric_key *skey);
389 int blowfish_keysize(int *keysize); 541 int blowfish_keysize(int *keysize);
390 extern const struct ltc_cipher_descriptor blowfish_desc; 542 extern const struct ltc_cipher_descriptor blowfish_desc;
391 #endif 543 #endif
392 544
393 #ifdef RC5 545 #ifdef RC5
394 int rc5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 546 int rc5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
395 void rc5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 547 int rc5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
396 void rc5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 548 int rc5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
397 int rc5_test(void); 549 int rc5_test(void);
398 void rc5_done(symmetric_key *skey); 550 void rc5_done(symmetric_key *skey);
399 int rc5_keysize(int *keysize); 551 int rc5_keysize(int *keysize);
400 extern const struct ltc_cipher_descriptor rc5_desc; 552 extern const struct ltc_cipher_descriptor rc5_desc;
401 #endif 553 #endif
402 554
403 #ifdef RC6 555 #ifdef RC6
404 int rc6_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 556 int rc6_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
405 void rc6_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 557 int rc6_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
406 void rc6_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 558 int rc6_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
407 int rc6_test(void); 559 int rc6_test(void);
408 void rc6_done(symmetric_key *skey); 560 void rc6_done(symmetric_key *skey);
409 int rc6_keysize(int *keysize); 561 int rc6_keysize(int *keysize);
410 extern const struct ltc_cipher_descriptor rc6_desc; 562 extern const struct ltc_cipher_descriptor rc6_desc;
411 #endif 563 #endif
412 564
413 #ifdef RC2 565 #ifdef RC2
414 int rc2_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 566 int rc2_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
415 void rc2_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 567 int rc2_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
416 void rc2_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 568 int rc2_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
417 int rc2_test(void); 569 int rc2_test(void);
418 void rc2_done(symmetric_key *skey); 570 void rc2_done(symmetric_key *skey);
419 int rc2_keysize(int *keysize); 571 int rc2_keysize(int *keysize);
420 extern const struct ltc_cipher_descriptor rc2_desc; 572 extern const struct ltc_cipher_descriptor rc2_desc;
421 #endif 573 #endif
422 574
423 #ifdef SAFERP 575 #ifdef SAFERP
424 int saferp_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 576 int saferp_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
425 void saferp_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 577 int saferp_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
426 void saferp_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 578 int saferp_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
427 int saferp_test(void); 579 int saferp_test(void);
428 void saferp_done(symmetric_key *skey); 580 void saferp_done(symmetric_key *skey);
429 int saferp_keysize(int *keysize); 581 int saferp_keysize(int *keysize);
430 extern const struct ltc_cipher_descriptor saferp_desc; 582 extern const struct ltc_cipher_descriptor saferp_desc;
431 #endif 583 #endif
433 #ifdef SAFER 585 #ifdef SAFER
434 int safer_k64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 586 int safer_k64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
435 int safer_sk64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 587 int safer_sk64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
436 int safer_k128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 588 int safer_k128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
437 int safer_sk128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 589 int safer_sk128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
438 void safer_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *key); 590 int safer_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *key);
439 void safer_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *key); 591 int safer_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *key);
440 int safer_k64_test(void); 592 int safer_k64_test(void);
441 int safer_sk64_test(void); 593 int safer_sk64_test(void);
442 int safer_sk128_test(void); 594 int safer_sk128_test(void);
443 void safer_done(symmetric_key *skey); 595 void safer_done(symmetric_key *skey);
444 int safer_64_keysize(int *keysize); 596 int safer_64_keysize(int *keysize);
459 #define aes_enc_setup rijndael_enc_setup 611 #define aes_enc_setup rijndael_enc_setup
460 #define aes_enc_ecb_encrypt rijndael_enc_ecb_encrypt 612 #define aes_enc_ecb_encrypt rijndael_enc_ecb_encrypt
461 #define aes_enc_keysize rijndael_enc_keysize 613 #define aes_enc_keysize rijndael_enc_keysize
462 614
463 int rijndael_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 615 int rijndael_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
464 void rijndael_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 616 int rijndael_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
465 void rijndael_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 617 int rijndael_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
466 int rijndael_test(void); 618 int rijndael_test(void);
467 void rijndael_done(symmetric_key *skey); 619 void rijndael_done(symmetric_key *skey);
468 int rijndael_keysize(int *keysize); 620 int rijndael_keysize(int *keysize);
469 int rijndael_enc_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 621 int rijndael_enc_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
470 void rijndael_enc_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 622 int rijndael_enc_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
471 void rijndael_enc_done(symmetric_key *skey); 623 void rijndael_enc_done(symmetric_key *skey);
472 int rijndael_enc_keysize(int *keysize); 624 int rijndael_enc_keysize(int *keysize);
473 extern const struct ltc_cipher_descriptor rijndael_desc, aes_desc; 625 extern const struct ltc_cipher_descriptor rijndael_desc, aes_desc;
474 extern const struct ltc_cipher_descriptor rijndael_enc_desc, aes_enc_desc; 626 extern const struct ltc_cipher_descriptor rijndael_enc_desc, aes_enc_desc;
475 #endif 627 #endif
476 628
477 #ifdef XTEA 629 #ifdef XTEA
478 int xtea_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 630 int xtea_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
479 void xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 631 int xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
480 void xtea_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 632 int xtea_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
481 int xtea_test(void); 633 int xtea_test(void);
482 void xtea_done(symmetric_key *skey); 634 void xtea_done(symmetric_key *skey);
483 int xtea_keysize(int *keysize); 635 int xtea_keysize(int *keysize);
484 extern const struct ltc_cipher_descriptor xtea_desc; 636 extern const struct ltc_cipher_descriptor xtea_desc;
485 #endif 637 #endif
486 638
487 #ifdef TWOFISH 639 #ifdef TWOFISH
488 int twofish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 640 int twofish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
489 void twofish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 641 int twofish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
490 void twofish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 642 int twofish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
491 int twofish_test(void); 643 int twofish_test(void);
492 void twofish_done(symmetric_key *skey); 644 void twofish_done(symmetric_key *skey);
493 int twofish_keysize(int *keysize); 645 int twofish_keysize(int *keysize);
494 extern const struct ltc_cipher_descriptor twofish_desc; 646 extern const struct ltc_cipher_descriptor twofish_desc;
495 #endif 647 #endif
496 648
497 #ifdef DES 649 #ifdef DES
498 int des_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 650 int des_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
499 void des_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 651 int des_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
500 void des_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 652 int des_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
501 int des_test(void); 653 int des_test(void);
502 void des_done(symmetric_key *skey); 654 void des_done(symmetric_key *skey);
503 int des_keysize(int *keysize); 655 int des_keysize(int *keysize);
504 int des3_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 656 int des3_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
505 void des3_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 657 int des3_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
506 void des3_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 658 int des3_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
507 int des3_test(void); 659 int des3_test(void);
508 void des3_done(symmetric_key *skey); 660 void des3_done(symmetric_key *skey);
509 int des3_keysize(int *keysize); 661 int des3_keysize(int *keysize);
510 extern const struct ltc_cipher_descriptor des_desc, des3_desc; 662 extern const struct ltc_cipher_descriptor des_desc, des3_desc;
511 #endif 663 #endif
512 664
513 #ifdef CAST5 665 #ifdef CAST5
514 int cast5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 666 int cast5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
515 void cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 667 int cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
516 void cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 668 int cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
517 int cast5_test(void); 669 int cast5_test(void);
518 void cast5_done(symmetric_key *skey); 670 void cast5_done(symmetric_key *skey);
519 int cast5_keysize(int *keysize); 671 int cast5_keysize(int *keysize);
520 extern const struct ltc_cipher_descriptor cast5_desc; 672 extern const struct ltc_cipher_descriptor cast5_desc;
521 #endif 673 #endif
522 674
523 #ifdef NOEKEON 675 #ifdef NOEKEON
524 int noekeon_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 676 int noekeon_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
525 void noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 677 int noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
526 void noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 678 int noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
527 int noekeon_test(void); 679 int noekeon_test(void);
528 void noekeon_done(symmetric_key *skey); 680 void noekeon_done(symmetric_key *skey);
529 int noekeon_keysize(int *keysize); 681 int noekeon_keysize(int *keysize);
530 extern const struct ltc_cipher_descriptor noekeon_desc; 682 extern const struct ltc_cipher_descriptor noekeon_desc;
531 #endif 683 #endif
532 684
533 #ifdef SKIPJACK 685 #ifdef SKIPJACK
534 int skipjack_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 686 int skipjack_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
535 void skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 687 int skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
536 void skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 688 int skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
537 int skipjack_test(void); 689 int skipjack_test(void);
538 void skipjack_done(symmetric_key *skey); 690 void skipjack_done(symmetric_key *skey);
539 int skipjack_keysize(int *keysize); 691 int skipjack_keysize(int *keysize);
540 extern const struct ltc_cipher_descriptor skipjack_desc; 692 extern const struct ltc_cipher_descriptor skipjack_desc;
541 #endif 693 #endif
542 694
543 #ifdef KHAZAD 695 #ifdef KHAZAD
544 int khazad_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 696 int khazad_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
545 void khazad_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 697 int khazad_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
546 void khazad_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 698 int khazad_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
547 int khazad_test(void); 699 int khazad_test(void);
548 void khazad_done(symmetric_key *skey); 700 void khazad_done(symmetric_key *skey);
549 int khazad_keysize(int *keysize); 701 int khazad_keysize(int *keysize);
550 extern const struct ltc_cipher_descriptor khazad_desc; 702 extern const struct ltc_cipher_descriptor khazad_desc;
551 #endif 703 #endif
552 704
553 #ifdef ANUBIS 705 #ifdef ANUBIS
554 int anubis_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); 706 int anubis_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
555 void anubis_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); 707 int anubis_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
556 void anubis_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); 708 int anubis_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
557 int anubis_test(void); 709 int anubis_test(void);
558 void anubis_done(symmetric_key *skey); 710 void anubis_done(symmetric_key *skey);
559 int anubis_keysize(int *keysize); 711 int anubis_keysize(int *keysize);
560 extern const struct ltc_cipher_descriptor anubis_desc; 712 extern const struct ltc_cipher_descriptor anubis_desc;
561 #endif 713 #endif
562 714
563 #ifdef ECB 715 #ifdef KSEED
716 int kseed_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
717 int kseed_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
718 int kseed_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
719 int kseed_test(void);
720 void kseed_done(symmetric_key *skey);
721 int kseed_keysize(int *keysize);
722 extern const struct ltc_cipher_descriptor kseed_desc;
723 #endif
724
725 #ifdef LTC_KASUMI
726 int kasumi_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
727 int kasumi_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
728 int kasumi_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
729 int kasumi_test(void);
730 void kasumi_done(symmetric_key *skey);
731 int kasumi_keysize(int *keysize);
732 extern const struct ltc_cipher_descriptor kasumi_desc;
733 #endif
734
735 #ifdef LTC_ECB_MODE
564 int ecb_start(int cipher, const unsigned char *key, 736 int ecb_start(int cipher, const unsigned char *key,
565 int keylen, int num_rounds, symmetric_ECB *ecb); 737 int keylen, int num_rounds, symmetric_ECB *ecb);
566 int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_ECB *ecb); 738 int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_ECB *ecb);
567 int ecb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_ECB *ecb); 739 int ecb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_ECB *ecb);
568 int ecb_done(symmetric_ECB *ecb); 740 int ecb_done(symmetric_ECB *ecb);
569 #endif 741 #endif
570 742
571 #ifdef CFB 743 #ifdef LTC_CFB_MODE
572 int cfb_start(int cipher, const unsigned char *IV, const unsigned char *key, 744 int cfb_start(int cipher, const unsigned char *IV, const unsigned char *key,
573 int keylen, int num_rounds, symmetric_CFB *cfb); 745 int keylen, int num_rounds, symmetric_CFB *cfb);
574 int cfb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CFB *cfb); 746 int cfb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CFB *cfb);
575 int cfb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CFB *cfb); 747 int cfb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CFB *cfb);
576 int cfb_getiv(unsigned char *IV, unsigned long *len, symmetric_CFB *cfb); 748 int cfb_getiv(unsigned char *IV, unsigned long *len, symmetric_CFB *cfb);
577 int cfb_setiv(const unsigned char *IV, unsigned long len, symmetric_CFB *cfb); 749 int cfb_setiv(const unsigned char *IV, unsigned long len, symmetric_CFB *cfb);
578 int cfb_done(symmetric_CFB *cfb); 750 int cfb_done(symmetric_CFB *cfb);
579 #endif 751 #endif
580 752
581 #ifdef OFB 753 #ifdef LTC_OFB_MODE
582 int ofb_start(int cipher, const unsigned char *IV, const unsigned char *key, 754 int ofb_start(int cipher, const unsigned char *IV, const unsigned char *key,
583 int keylen, int num_rounds, symmetric_OFB *ofb); 755 int keylen, int num_rounds, symmetric_OFB *ofb);
584 int ofb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_OFB *ofb); 756 int ofb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_OFB *ofb);
585 int ofb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_OFB *ofb); 757 int ofb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_OFB *ofb);
586 int ofb_getiv(unsigned char *IV, unsigned long *len, symmetric_OFB *ofb); 758 int ofb_getiv(unsigned char *IV, unsigned long *len, symmetric_OFB *ofb);
587 int ofb_setiv(const unsigned char *IV, unsigned long len, symmetric_OFB *ofb); 759 int ofb_setiv(const unsigned char *IV, unsigned long len, symmetric_OFB *ofb);
588 int ofb_done(symmetric_OFB *ofb); 760 int ofb_done(symmetric_OFB *ofb);
589 #endif 761 #endif
590 762
591 #ifdef CBC 763 #ifdef LTC_CBC_MODE
592 int cbc_start(int cipher, const unsigned char *IV, const unsigned char *key, 764 int cbc_start(int cipher, const unsigned char *IV, const unsigned char *key,
593 int keylen, int num_rounds, symmetric_CBC *cbc); 765 int keylen, int num_rounds, symmetric_CBC *cbc);
594 int cbc_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CBC *cbc); 766 int cbc_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CBC *cbc);
595 int cbc_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CBC *cbc); 767 int cbc_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CBC *cbc);
596 int cbc_getiv(unsigned char *IV, unsigned long *len, symmetric_CBC *cbc); 768 int cbc_getiv(unsigned char *IV, unsigned long *len, symmetric_CBC *cbc);
597 int cbc_setiv(const unsigned char *IV, unsigned long len, symmetric_CBC *cbc); 769 int cbc_setiv(const unsigned char *IV, unsigned long len, symmetric_CBC *cbc);
598 int cbc_done(symmetric_CBC *cbc); 770 int cbc_done(symmetric_CBC *cbc);
599 #endif 771 #endif
600 772
601 #ifdef CTR 773 #ifdef LTC_CTR_MODE
602 774
603 #define CTR_COUNTER_LITTLE_ENDIAN 0 775 #define CTR_COUNTER_LITTLE_ENDIAN 0
604 #define CTR_COUNTER_BIG_ENDIAN 1 776 #define CTR_COUNTER_BIG_ENDIAN 1
777 #define LTC_CTR_RFC3686 2
605 778
606 int ctr_start( int cipher, 779 int ctr_start( int cipher,
607 const unsigned char *IV, 780 const unsigned char *IV,
608 const unsigned char *key, int keylen, 781 const unsigned char *key, int keylen,
609 int num_rounds, int ctr_mode, 782 int num_rounds, int ctr_mode,
611 int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CTR *ctr); 784 int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CTR *ctr);
612 int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr); 785 int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr);
613 int ctr_getiv(unsigned char *IV, unsigned long *len, symmetric_CTR *ctr); 786 int ctr_getiv(unsigned char *IV, unsigned long *len, symmetric_CTR *ctr);
614 int ctr_setiv(const unsigned char *IV, unsigned long len, symmetric_CTR *ctr); 787 int ctr_setiv(const unsigned char *IV, unsigned long len, symmetric_CTR *ctr);
615 int ctr_done(symmetric_CTR *ctr); 788 int ctr_done(symmetric_CTR *ctr);
616 #endif 789 int ctr_test(void);
617 790 #endif
791
792 #ifdef LTC_LRW_MODE
793
794 #define LRW_ENCRYPT 0
795 #define LRW_DECRYPT 1
796
797 int lrw_start( int cipher,
798 const unsigned char *IV,
799 const unsigned char *key, int keylen,
800 const unsigned char *tweak,
801 int num_rounds,
802 symmetric_LRW *lrw);
803 int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_LRW *lrw);
804 int lrw_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_LRW *lrw);
805 int lrw_getiv(unsigned char *IV, unsigned long *len, symmetric_LRW *lrw);
806 int lrw_setiv(const unsigned char *IV, unsigned long len, symmetric_LRW *lrw);
807 int lrw_done(symmetric_LRW *lrw);
808 int lrw_test(void);
809
810 /* don't call */
811 int lrw_process(const unsigned char *pt, unsigned char *ct, unsigned long len, int mode, symmetric_LRW *lrw);
812 #endif
813
814 #ifdef LTC_F8_MODE
815 int f8_start( int cipher, const unsigned char *IV,
816 const unsigned char *key, int keylen,
817 const unsigned char *salt_key, int skeylen,
818 int num_rounds, symmetric_F8 *f8);
819 int f8_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_F8 *f8);
820 int f8_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_F8 *f8);
821 int f8_getiv(unsigned char *IV, unsigned long *len, symmetric_F8 *f8);
822 int f8_setiv(const unsigned char *IV, unsigned long len, symmetric_F8 *f8);
823 int f8_done(symmetric_F8 *f8);
824 int f8_test_mode(void);
825 #endif
826
827
618 int find_cipher(const char *name); 828 int find_cipher(const char *name);
619 int find_cipher_any(const char *name, int blocklen, int keylen); 829 int find_cipher_any(const char *name, int blocklen, int keylen);
620 int find_cipher_id(unsigned char ID); 830 int find_cipher_id(unsigned char ID);
621 int register_cipher(const struct ltc_cipher_descriptor *cipher); 831 int register_cipher(const struct ltc_cipher_descriptor *cipher);
622 int unregister_cipher(const struct ltc_cipher_descriptor *cipher); 832 int unregister_cipher(const struct ltc_cipher_descriptor *cipher);
623 int cipher_is_valid(int idx); 833 int cipher_is_valid(int idx);
624 834
625 LTC_MUTEX_PROTO(ltc_cipher_mutex); 835 LTC_MUTEX_PROTO(ltc_cipher_mutex)
626 836
627 /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_cipher.h,v $ */ 837 /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_cipher.h,v $ */
628 /* $Revision: 1.16 $ */ 838 /* $Revision: 1.46 $ */
629 /* $Date: 2005/06/19 18:00:28 $ */ 839 /* $Date: 2006/11/13 23:09:38 $ */