xform_null.c revision 116191
1100384Speter/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ 2100384Speter/* 3114987Speter * The authors of this code are John Ioannidis (ji@tla.org), 4100384Speter * Angelos D. Keromytis (kermit@csd.uch.gr) and 5100384Speter * Niels Provos (provos@physnet.uni-hamburg.de). 6100384Speter * 7100384Speter * This code was written by John Ioannidis for BSD/OS in Athens, Greece, 8100384Speter * in November 1995. 9100384Speter * 10100384Speter * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, 11100384Speter * by Angelos D. Keromytis. 12100384Speter * 13100384Speter * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis 14100384Speter * and Niels Provos. 15100384Speter * 16100384Speter * Additional features in 1999 by Angelos D. Keromytis. 17100384Speter * 18100384Speter * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, 19100384Speter * Angelos D. Keromytis and Niels Provos. 20100384Speter * 21100384Speter * Copyright (C) 2001, Angelos D. Keromytis. 22100384Speter * 23100384Speter * Permission to use, copy, and modify this software with or without fee 24100384Speter * is hereby granted, provided that this entire notice is included in 25100384Speter * all copies of any software which is or includes a copy or 26100384Speter * modification of this software. 27100384Speter * You may use this code under the GNU public license if you so wish. Please 28118031Sobrien * contribute changes back to the authors under this freer than GPL license 29118031Sobrien * so that we may further the use of strong encryption without limitations to 30118031Sobrien * all. 31114987Speter * 32114987Speter * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR 33100384Speter * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY 34100384Speter * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE 35100384Speter * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR 36100384Speter * PURPOSE. 37100384Speter */ 38100384Speter 39100384Speter#include <sys/cdefs.h> 40100384Speter__FBSDID("$FreeBSD: head/sys/opencrypto/xform.c 116191 2003-06-11 05:57:50Z obrien $"); 41100384Speter 42100384Speter#include <sys/param.h> 43100384Speter#include <sys/systm.h> 44100384Speter#include <sys/malloc.h> 45100384Speter#include <sys/sysctl.h> 46100384Speter#include <sys/errno.h> 47100384Speter#include <sys/time.h> 48100384Speter#include <sys/kernel.h> 49100384Speter#include <machine/cpu.h> 50100384Speter 51100384Speter#include <crypto/blowfish/blowfish.h> 52100384Speter#include <crypto/des/des.h> 53100384Speter#include <crypto/sha1.h> 54100384Speter 55100384Speter#include <opencrypto/cast.h> 56100384Speter#include <opencrypto/deflate.h> 57100384Speter#include <opencrypto/rijndael.h> 58100384Speter#include <opencrypto/rmd160.h> 59100384Speter#include <opencrypto/skipjack.h> 60100384Speter 61100384Speter#include <sys/md5.h> 62100384Speter 63100384Speter#include <opencrypto/cryptodev.h> 64100384Speter#include <opencrypto/xform.h> 65100384Speter 66100384Speterstatic void null_encrypt(caddr_t, u_int8_t *); 67119336Speterstatic void null_decrypt(caddr_t, u_int8_t *); 68119336Speterstatic int null_setkey(u_int8_t **, u_int8_t *, int); 69123422Speterstatic void null_zerokey(u_int8_t **); 70119336Speter 71123423Speterstatic int des1_setkey(u_int8_t **, u_int8_t *, int); 72114987Speterstatic int des3_setkey(u_int8_t **, u_int8_t *, int); 73114987Speterstatic int blf_setkey(u_int8_t **, u_int8_t *, int); 74114987Speterstatic int cast5_setkey(u_int8_t **, u_int8_t *, int); 75123423Speterstatic int skipjack_setkey(u_int8_t **, u_int8_t *, int); 76123423Speterstatic int rijndael128_setkey(u_int8_t **, u_int8_t *, int); 77123423Speterstatic void des1_encrypt(caddr_t, u_int8_t *); 78123423Speterstatic void des3_encrypt(caddr_t, u_int8_t *); 79123423Speterstatic void blf_encrypt(caddr_t, u_int8_t *); 80100384Speterstatic void cast5_encrypt(caddr_t, u_int8_t *); 81100384Speterstatic void skipjack_encrypt(caddr_t, u_int8_t *); 82114987Speterstatic void rijndael128_encrypt(caddr_t, u_int8_t *); 83114987Speterstatic void des1_decrypt(caddr_t, u_int8_t *); 84100384Speterstatic void des3_decrypt(caddr_t, u_int8_t *); 85121720Speterstatic void blf_decrypt(caddr_t, u_int8_t *); 86121720Speterstatic void cast5_decrypt(caddr_t, u_int8_t *); 87121720Speterstatic void skipjack_decrypt(caddr_t, u_int8_t *); 88121720Speterstatic void rijndael128_decrypt(caddr_t, u_int8_t *); 89121720Speterstatic void des1_zerokey(u_int8_t **); 90121720Speterstatic void des3_zerokey(u_int8_t **); 91121720Speterstatic void blf_zerokey(u_int8_t **); 92121720Speterstatic void cast5_zerokey(u_int8_t **); 93121720Speterstatic void skipjack_zerokey(u_int8_t **); 94121720Speterstatic void rijndael128_zerokey(u_int8_t **); 95100384Speter 96120422Speterstatic void null_init(void *); 97100384Speterstatic int null_update(void *, u_int8_t *, u_int16_t); 98119334Speterstatic void null_final(u_int8_t *, void *); 99100384Speterstatic int MD5Update_int(void *, u_int8_t *, u_int16_t); 100120422Speterstatic void SHA1Init_int(void *); 101120422Speterstatic int SHA1Update_int(void *, u_int8_t *, u_int16_t); 102100384Speterstatic void SHA1Final_int(u_int8_t *, void *); 103123422Speterstatic int RMD160Update_int(void *, u_int8_t *, u_int16_t); 104119334Speterstatic int SHA256Update_int(void *, u_int8_t *, u_int16_t); 105100384Speterstatic int SHA384Update_int(void *, u_int8_t *, u_int16_t); 106100384Speterstatic int SHA512Update_int(void *, u_int8_t *, u_int16_t); 107102808Sjake 108100384Speterstatic u_int32_t deflate_compress(u_int8_t *, u_int32_t, u_int8_t **); 109102808Sjakestatic u_int32_t deflate_decompress(u_int8_t *, u_int32_t, u_int8_t **); 110102808Sjake 111100384SpeterMALLOC_DEFINE(M_XDATA, "xform", "xform data buffers"); 112114987Speter 113100384Speter/* Encryption instances */ 114114987Speterstruct enc_xform enc_xform_null = { 115102808Sjake CRYPTO_NULL_CBC, "NULL", 116114987Speter /* NB: blocksize of 4 is to generate a properly aligned ESP header */ 117100384Speter 4, 0, 256, /* 2048 bits, max key */ 118100384Speter null_encrypt, 119100384Speter null_decrypt, 120123423Speter null_setkey, 121102808Sjake null_zerokey, 122119336Speter}; 123119336Speter 124119336Speterstruct enc_xform enc_xform_des = { 125102808Sjake CRYPTO_DES_CBC, "DES", 126100384Speter 8, 8, 8, 127120422Speter des1_encrypt, 128120422Speter des1_decrypt, 129100384Speter des1_setkey, 130100384Speter des1_zerokey, 131114987Speter}; 132100384Speter 133100384Speterstruct enc_xform enc_xform_3des = { 134100384Speter CRYPTO_3DES_CBC, "3DES", 135100384Speter 8, 24, 24, 136123742Speter des3_encrypt, 137123742Speter des3_decrypt, 138123742Speter des3_setkey, 139127251Speter des3_zerokey 140100384Speter}; 141100384Speter 142100384Speterstruct enc_xform enc_xform_blf = { 143100384Speter CRYPTO_BLF_CBC, "Blowfish", 144100384Speter 8, 5, 56 /* 448 bits, max key */, 145100384Speter blf_encrypt, 146123742Speter blf_decrypt, 147123742Speter blf_setkey, 148123742Speter blf_zerokey 149123742Speter}; 150123742Speter 151123742Speterstruct enc_xform enc_xform_cast5 = { 152123742Speter CRYPTO_CAST_CBC, "CAST-128", 153132263Sobrien 8, 5, 16, 154123742Speter cast5_encrypt, 155123742Speter cast5_decrypt, 156123742Speter cast5_setkey, 157123742Speter cast5_zerokey 158123742Speter}; 159123742Speter 160133464Smarcelstruct enc_xform enc_xform_skipjack = { 161133464Smarcel CRYPTO_SKIPJACK_CBC, "Skipjack", 162133464Smarcel 8, 10, 10, 163133464Smarcel skipjack_encrypt, 164133464Smarcel skipjack_decrypt, 165133464Smarcel skipjack_setkey, 166133464Smarcel skipjack_zerokey 167133464Smarcel}; 168119334Speter 169100384Speterstruct enc_xform enc_xform_rijndael128 = { 170100384Speter CRYPTO_RIJNDAEL128_CBC, "Rijndael-128/AES", 171100384Speter 16, 8, 32, 172100384Speter rijndael128_encrypt, 173100384Speter rijndael128_decrypt, 174100384Speter rijndael128_setkey, 175100384Speter rijndael128_zerokey, 176119336Speter}; 177100384Speter 178100384Speterstruct enc_xform enc_xform_arc4 = { 179100384Speter CRYPTO_ARC4, "ARC4", 180100384Speter 1, 1, 32, 181100384Speter NULL, 182100384Speter NULL, 183119336Speter NULL, 184100384Speter NULL, 185100384Speter}; 186100384Speter 187100384Speter/* Authentication instances */ 188100384Speterstruct auth_hash auth_hash_null = { 189100384Speter CRYPTO_NULL_HMAC, "NULL-HMAC", 190100384Speter 0, 0, 12, sizeof(int), /* NB: context isn't used */ 191100384Speter null_init, null_update, null_final 192100384Speter}; 193100384Speter 194100384Speterstruct auth_hash auth_hash_hmac_md5_96 = { 195100384Speter CRYPTO_MD5_HMAC, "HMAC-MD5", 196100384Speter 16, 16, 12, sizeof(MD5_CTX), 197100384Speter (void (*) (void *)) MD5Init, MD5Update_int, 198100384Speter (void (*) (u_int8_t *, void *)) MD5Final 199100384Speter}; 200100384Speter 201100384Speterstruct auth_hash auth_hash_hmac_sha1_96 = { 202100384Speter CRYPTO_SHA1_HMAC, "HMAC-SHA1", 203100384Speter 20, 20, 12, sizeof(SHA1_CTX), 204100384Speter SHA1Init_int, SHA1Update_int, SHA1Final_int 205100384Speter}; 206100384Speter 207100384Speterstruct auth_hash auth_hash_hmac_ripemd_160_96 = { 208100384Speter CRYPTO_RIPEMD160_HMAC, "HMAC-RIPEMD-160", 209100384Speter 20, 20, 12, sizeof(RMD160_CTX), 210100384Speter (void (*)(void *)) RMD160Init, RMD160Update_int, 211100384Speter (void (*)(u_int8_t *, void *)) RMD160Final 212100384Speter}; 213100384Speter 214100384Speterstruct auth_hash auth_hash_key_md5 = { 215100384Speter CRYPTO_MD5_KPDK, "Keyed MD5", 216100384Speter 0, 16, 12, sizeof(MD5_CTX), 217100384Speter (void (*)(void *)) MD5Init, MD5Update_int, 218100384Speter (void (*)(u_int8_t *, void *)) MD5Final 219100384Speter}; 220100384Speter 221100384Speterstruct auth_hash auth_hash_key_sha1 = { 222100384Speter CRYPTO_SHA1_KPDK, "Keyed SHA1", 223100384Speter 0, 20, 12, sizeof(SHA1_CTX), 224100384Speter SHA1Init_int, SHA1Update_int, SHA1Final_int 225100384Speter}; 226100384Speter 227100384Speterstruct auth_hash auth_hash_hmac_sha2_256 = { 228100384Speter CRYPTO_SHA2_HMAC, "HMAC-SHA2", 229100384Speter 32, 32, 12, sizeof(SHA256_CTX), 230100384Speter (void (*)(void *)) SHA256_Init, SHA256Update_int, 231100384Speter (void (*)(u_int8_t *, void *)) SHA256_Final 232100384Speter}; 233100384Speter 234100384Speterstruct auth_hash auth_hash_hmac_sha2_384 = { 235100384Speter CRYPTO_SHA2_HMAC, "HMAC-SHA2-384", 236100384Speter 48, 48, 12, sizeof(SHA384_CTX), 237100384Speter (void (*)(void *)) SHA384_Init, SHA384Update_int, 238100384Speter (void (*)(u_int8_t *, void *)) SHA384_Final 239100384Speter}; 240100384Speter 241100384Speterstruct auth_hash auth_hash_hmac_sha2_512 = { 242100384Speter CRYPTO_SHA2_HMAC, "HMAC-SHA2-512", 243100384Speter 64, 64, 12, sizeof(SHA512_CTX), 244100384Speter (void (*)(void *)) SHA512_Init, SHA512Update_int, 245100384Speter (void (*)(u_int8_t *, void *)) SHA512_Final 246100384Speter}; 247100384Speter 248100384Speter/* Compression instance */ 249100384Speterstruct comp_algo comp_algo_deflate = { 250100384Speter CRYPTO_DEFLATE_COMP, "Deflate", 251100384Speter 90, deflate_compress, 252100384Speter deflate_decompress 253100384Speter}; 254100384Speter 255100384Speter/* 256100384Speter * Encryption wrapper routines. 257100384Speter */ 258100384Speterstatic void 259100384Speternull_encrypt(caddr_t key, u_int8_t *blk) 260100384Speter{ 261100384Speter} 262100384Speterstatic void 263100384Speternull_decrypt(caddr_t key, u_int8_t *blk) 264100384Speter{ 265100384Speter} 266100384Speterstatic int 267100384Speternull_setkey(u_int8_t **sched, u_int8_t *key, int len) 268100384Speter{ 269100384Speter *sched = NULL; 270100384Speter return 0; 271100384Speter} 272100384Speterstatic void 273120422Speternull_zerokey(u_int8_t **sched) 274120422Speter{ 275120422Speter *sched = NULL; 276120422Speter} 277120422Speter 278120422Speterstatic void 279120422Speterdes1_encrypt(caddr_t key, u_int8_t *blk) 280120422Speter{ 281120422Speter des_cblock *cb = (des_cblock *) blk; 282120422Speter des_key_schedule *p = (des_key_schedule *) key; 283120422Speter 284125454Sjhb des_ecb_encrypt(cb, cb, p[0], DES_ENCRYPT); 285120422Speter} 286125454Sjhb 287125454Sjhbstatic void 288125454Sjhbdes1_decrypt(caddr_t key, u_int8_t *blk) 289125454Sjhb{ 290125454Sjhb des_cblock *cb = (des_cblock *) blk; 291125454Sjhb des_key_schedule *p = (des_key_schedule *) key; 292120422Speter 293125454Sjhb des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT); 294125454Sjhb} 295125454Sjhb 296125454Sjhbstatic int 297120422Speterdes1_setkey(u_int8_t **sched, u_int8_t *key, int len) 298120422Speter{ 299125454Sjhb des_key_schedule *p; 300125454Sjhb int err; 301125454Sjhb 302125454Sjhb MALLOC(p, des_key_schedule *, sizeof (des_key_schedule), 303120422Speter M_CRYPTO_DATA, M_NOWAIT|M_ZERO); 304120422Speter if (p != NULL) { 305125454Sjhb des_set_key((des_cblock *) key, p[0]); 306125454Sjhb err = 0; 307125454Sjhb } else 308125454Sjhb err = ENOMEM; 309120422Speter *sched = (u_int8_t *) p; 310125454Sjhb return err; 311125454Sjhb} 312125454Sjhb 313120422Speterstatic void 314des1_zerokey(u_int8_t **sched) 315{ 316 bzero(*sched, sizeof (des_key_schedule)); 317 FREE(*sched, M_CRYPTO_DATA); 318 *sched = NULL; 319} 320 321static void 322des3_encrypt(caddr_t key, u_int8_t *blk) 323{ 324 des_cblock *cb = (des_cblock *) blk; 325 des_key_schedule *p = (des_key_schedule *) key; 326 327 des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_ENCRYPT); 328} 329 330static void 331des3_decrypt(caddr_t key, u_int8_t *blk) 332{ 333 des_cblock *cb = (des_cblock *) blk; 334 des_key_schedule *p = (des_key_schedule *) key; 335 336 des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_DECRYPT); 337} 338 339static int 340des3_setkey(u_int8_t **sched, u_int8_t *key, int len) 341{ 342 des_key_schedule *p; 343 int err; 344 345 MALLOC(p, des_key_schedule *, 3*sizeof (des_key_schedule), 346 M_CRYPTO_DATA, M_NOWAIT|M_ZERO); 347 if (p != NULL) { 348 des_set_key((des_cblock *)(key + 0), p[0]); 349 des_set_key((des_cblock *)(key + 8), p[1]); 350 des_set_key((des_cblock *)(key + 16), p[2]); 351 err = 0; 352 } else 353 err = ENOMEM; 354 *sched = (u_int8_t *) p; 355 return err; 356} 357 358static void 359des3_zerokey(u_int8_t **sched) 360{ 361 bzero(*sched, 3*sizeof (des_key_schedule)); 362 FREE(*sched, M_CRYPTO_DATA); 363 *sched = NULL; 364} 365 366static void 367blf_encrypt(caddr_t key, u_int8_t *blk) 368{ 369 BF_LONG t[2]; 370 371 memcpy(t, blk, sizeof (t)); 372 t[0] = ntohl(t[0]); 373 t[1] = ntohl(t[1]); 374 /* NB: BF_encrypt expects the block in host order! */ 375 BF_encrypt(t, (BF_KEY *) key); 376 t[0] = htonl(t[0]); 377 t[1] = htonl(t[1]); 378 memcpy(blk, t, sizeof (t)); 379} 380 381static void 382blf_decrypt(caddr_t key, u_int8_t *blk) 383{ 384 BF_LONG t[2]; 385 386 memcpy(t, blk, sizeof (t)); 387 t[0] = ntohl(t[0]); 388 t[1] = ntohl(t[1]); 389 /* NB: BF_decrypt expects the block in host order! */ 390 BF_decrypt(t, (BF_KEY *) key); 391 t[0] = htonl(t[0]); 392 t[1] = htonl(t[1]); 393 memcpy(blk, t, sizeof (t)); 394} 395 396static int 397blf_setkey(u_int8_t **sched, u_int8_t *key, int len) 398{ 399 int err; 400 401 MALLOC(*sched, u_int8_t *, sizeof(BF_KEY), 402 M_CRYPTO_DATA, M_NOWAIT|M_ZERO); 403 if (*sched != NULL) { 404 BF_set_key((BF_KEY *) *sched, len, key); 405 err = 0; 406 } else 407 err = ENOMEM; 408 return err; 409} 410 411static void 412blf_zerokey(u_int8_t **sched) 413{ 414 bzero(*sched, sizeof(BF_KEY)); 415 FREE(*sched, M_CRYPTO_DATA); 416 *sched = NULL; 417} 418 419static void 420cast5_encrypt(caddr_t key, u_int8_t *blk) 421{ 422 cast_encrypt((cast_key *) key, blk, blk); 423} 424 425static void 426cast5_decrypt(caddr_t key, u_int8_t *blk) 427{ 428 cast_decrypt((cast_key *) key, blk, blk); 429} 430 431static int 432cast5_setkey(u_int8_t **sched, u_int8_t *key, int len) 433{ 434 int err; 435 436 MALLOC(*sched, u_int8_t *, sizeof(cast_key), M_CRYPTO_DATA, M_NOWAIT|M_ZERO); 437 if (*sched != NULL) { 438 cast_setkey((cast_key *)*sched, key, len); 439 err = 0; 440 } else 441 err = ENOMEM; 442 return err; 443} 444 445static void 446cast5_zerokey(u_int8_t **sched) 447{ 448 bzero(*sched, sizeof(cast_key)); 449 FREE(*sched, M_CRYPTO_DATA); 450 *sched = NULL; 451} 452 453static void 454skipjack_encrypt(caddr_t key, u_int8_t *blk) 455{ 456 skipjack_forwards(blk, blk, (u_int8_t **) key); 457} 458 459static void 460skipjack_decrypt(caddr_t key, u_int8_t *blk) 461{ 462 skipjack_backwards(blk, blk, (u_int8_t **) key); 463} 464 465static int 466skipjack_setkey(u_int8_t **sched, u_int8_t *key, int len) 467{ 468 int err; 469 470 /* NB: allocate all the memory that's needed at once */ 471 MALLOC(*sched, u_int8_t *, 10 * (sizeof(u_int8_t *) + 0x100), 472 M_CRYPTO_DATA, M_NOWAIT|M_ZERO); 473 if (*sched != NULL) { 474 u_int8_t** key_tables = (u_int8_t**) *sched; 475 u_int8_t* table = (u_int8_t*) &key_tables[10]; 476 int k; 477 478 for (k = 0; k < 10; k++) { 479 key_tables[k] = table; 480 table += 0x100; 481 } 482 subkey_table_gen(key, (u_int8_t **) *sched); 483 err = 0; 484 } else 485 err = ENOMEM; 486 return err; 487} 488 489static void 490skipjack_zerokey(u_int8_t **sched) 491{ 492 bzero(*sched, 10 * (sizeof(u_int8_t *) + 0x100)); 493 FREE(*sched, M_CRYPTO_DATA); 494 *sched = NULL; 495} 496 497static void 498rijndael128_encrypt(caddr_t key, u_int8_t *blk) 499{ 500 rijndael_encrypt((rijndael_ctx *) key, (u_char *) blk, (u_char *) blk); 501} 502 503static void 504rijndael128_decrypt(caddr_t key, u_int8_t *blk) 505{ 506 rijndael_decrypt(((rijndael_ctx *) key) + 1, (u_char *) blk, 507 (u_char *) blk); 508} 509 510static int 511rijndael128_setkey(u_int8_t **sched, u_int8_t *key, int len) 512{ 513 int err; 514 515 MALLOC(*sched, u_int8_t *, 2 * sizeof(rijndael_ctx), M_CRYPTO_DATA, 516 M_NOWAIT|M_ZERO); 517 if (*sched != NULL) { 518 rijndael_set_key((rijndael_ctx *) *sched, (u_char *) key, len * 8, 1); 519 rijndael_set_key(((rijndael_ctx *) *sched) + 1, (u_char *) key, 520 len * 8, 0); 521 err = 0; 522 } else 523 err = ENOMEM; 524 return err; 525} 526 527static void 528rijndael128_zerokey(u_int8_t **sched) 529{ 530 bzero(*sched, 2 * sizeof(rijndael_ctx)); 531 FREE(*sched, M_CRYPTO_DATA); 532 *sched = NULL; 533} 534 535/* 536 * And now for auth. 537 */ 538 539static void 540null_init(void *ctx) 541{ 542} 543 544static int 545null_update(void *ctx, u_int8_t *buf, u_int16_t len) 546{ 547 return 0; 548} 549 550static void 551null_final(u_int8_t *buf, void *ctx) 552{ 553 if (buf != (u_int8_t *) 0) 554 bzero(buf, 12); 555} 556 557static int 558RMD160Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 559{ 560 RMD160Update(ctx, buf, len); 561 return 0; 562} 563 564static int 565MD5Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 566{ 567 MD5Update(ctx, buf, len); 568 return 0; 569} 570 571static void 572SHA1Init_int(void *ctx) 573{ 574 SHA1Init(ctx); 575} 576 577static int 578SHA1Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 579{ 580 SHA1Update(ctx, buf, len); 581 return 0; 582} 583 584static void 585SHA1Final_int(u_int8_t *blk, void *ctx) 586{ 587 SHA1Final(blk, ctx); 588} 589 590static int 591SHA256Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 592{ 593 SHA256_Update(ctx, buf, len); 594 return 0; 595} 596 597static int 598SHA384Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 599{ 600 SHA384_Update(ctx, buf, len); 601 return 0; 602} 603 604static int 605SHA512Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 606{ 607 SHA512_Update(ctx, buf, len); 608 return 0; 609} 610 611/* 612 * And compression 613 */ 614 615static u_int32_t 616deflate_compress(data, size, out) 617 u_int8_t *data; 618 u_int32_t size; 619 u_int8_t **out; 620{ 621 return deflate_global(data, size, 0, out); 622} 623 624static u_int32_t 625deflate_decompress(data, size, out) 626 u_int8_t *data; 627 u_int32_t size; 628 u_int8_t **out; 629{ 630 return deflate_global(data, size, 1, out); 631} 632