xform_sha2.c revision 213065
1104476Ssam/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ 2139825Simp/*- 3104476Ssam * The authors of this code are John Ioannidis (ji@tla.org), 4104476Ssam * Angelos D. Keromytis (kermit@csd.uch.gr) and 5104476Ssam * Niels Provos (provos@physnet.uni-hamburg.de). 6104476Ssam * 7104476Ssam * This code was written by John Ioannidis for BSD/OS in Athens, Greece, 8104476Ssam * in November 1995. 9104476Ssam * 10104476Ssam * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, 11104476Ssam * by Angelos D. Keromytis. 12104476Ssam * 13104476Ssam * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis 14104476Ssam * and Niels Provos. 15104476Ssam * 16104476Ssam * Additional features in 1999 by Angelos D. Keromytis. 17104476Ssam * 18104476Ssam * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, 19104476Ssam * Angelos D. Keromytis and Niels Provos. 20104476Ssam * 21104476Ssam * Copyright (C) 2001, Angelos D. Keromytis. 22104476Ssam * 23104476Ssam * Permission to use, copy, and modify this software with or without fee 24104476Ssam * is hereby granted, provided that this entire notice is included in 25104476Ssam * all copies of any software which is or includes a copy or 26104476Ssam * modification of this software. 27104476Ssam * You may use this code under the GNU public license if you so wish. Please 28104476Ssam * contribute changes back to the authors under this freer than GPL license 29104476Ssam * so that we may further the use of strong encryption without limitations to 30104476Ssam * all. 31104476Ssam * 32104476Ssam * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR 33104476Ssam * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY 34104476Ssam * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE 35104476Ssam * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR 36104476Ssam * PURPOSE. 37104476Ssam */ 38104476Ssam 39116191Sobrien#include <sys/cdefs.h> 40116191Sobrien__FBSDID("$FreeBSD: head/sys/opencrypto/xform.c 213065 2010-09-23 11:33:29Z pjd $"); 41116191Sobrien 42104476Ssam#include <sys/param.h> 43104476Ssam#include <sys/systm.h> 44104476Ssam#include <sys/malloc.h> 45104476Ssam#include <sys/sysctl.h> 46104476Ssam#include <sys/errno.h> 47104476Ssam#include <sys/time.h> 48104476Ssam#include <sys/kernel.h> 49104476Ssam#include <machine/cpu.h> 50104476Ssam 51104476Ssam#include <crypto/blowfish/blowfish.h> 52104476Ssam#include <crypto/des/des.h> 53143423Sume#include <crypto/rijndael/rijndael.h> 54169425Sgnn#include <crypto/camellia/camellia.h> 55104476Ssam#include <crypto/sha1.h> 56104476Ssam 57104476Ssam#include <opencrypto/cast.h> 58104476Ssam#include <opencrypto/deflate.h> 59104476Ssam#include <opencrypto/rmd160.h> 60104476Ssam#include <opencrypto/skipjack.h> 61104476Ssam 62104476Ssam#include <sys/md5.h> 63104476Ssam 64104476Ssam#include <opencrypto/cryptodev.h> 65104476Ssam#include <opencrypto/xform.h> 66104476Ssam 67104476Ssamstatic void null_encrypt(caddr_t, u_int8_t *); 68104476Ssamstatic void null_decrypt(caddr_t, u_int8_t *); 69104476Ssamstatic int null_setkey(u_int8_t **, u_int8_t *, int); 70104476Ssamstatic void null_zerokey(u_int8_t **); 71104476Ssam 72104476Ssamstatic int des1_setkey(u_int8_t **, u_int8_t *, int); 73104476Ssamstatic int des3_setkey(u_int8_t **, u_int8_t *, int); 74104476Ssamstatic int blf_setkey(u_int8_t **, u_int8_t *, int); 75104476Ssamstatic int cast5_setkey(u_int8_t **, u_int8_t *, int); 76104476Ssamstatic int skipjack_setkey(u_int8_t **, u_int8_t *, int); 77104476Ssamstatic int rijndael128_setkey(u_int8_t **, u_int8_t *, int); 78169425Sgnnstatic int cml_setkey(u_int8_t **, u_int8_t *, int); 79104476Ssamstatic void des1_encrypt(caddr_t, u_int8_t *); 80104476Ssamstatic void des3_encrypt(caddr_t, u_int8_t *); 81104476Ssamstatic void blf_encrypt(caddr_t, u_int8_t *); 82104476Ssamstatic void cast5_encrypt(caddr_t, u_int8_t *); 83104476Ssamstatic void skipjack_encrypt(caddr_t, u_int8_t *); 84104476Ssamstatic void rijndael128_encrypt(caddr_t, u_int8_t *); 85169425Sgnnstatic void cml_encrypt(caddr_t, u_int8_t *); 86104476Ssamstatic void des1_decrypt(caddr_t, u_int8_t *); 87104476Ssamstatic void des3_decrypt(caddr_t, u_int8_t *); 88104476Ssamstatic void blf_decrypt(caddr_t, u_int8_t *); 89104476Ssamstatic void cast5_decrypt(caddr_t, u_int8_t *); 90104476Ssamstatic void skipjack_decrypt(caddr_t, u_int8_t *); 91104476Ssamstatic void rijndael128_decrypt(caddr_t, u_int8_t *); 92169425Sgnnstatic void cml_decrypt(caddr_t, u_int8_t *); 93104476Ssamstatic void des1_zerokey(u_int8_t **); 94104476Ssamstatic void des3_zerokey(u_int8_t **); 95104476Ssamstatic void blf_zerokey(u_int8_t **); 96104476Ssamstatic void cast5_zerokey(u_int8_t **); 97104476Ssamstatic void skipjack_zerokey(u_int8_t **); 98104476Ssamstatic void rijndael128_zerokey(u_int8_t **); 99169425Sgnnstatic void cml_zerokey(u_int8_t **); 100104476Ssam 101104476Ssamstatic void null_init(void *); 102104476Ssamstatic int null_update(void *, u_int8_t *, u_int16_t); 103104476Ssamstatic void null_final(u_int8_t *, void *); 104104476Ssamstatic int MD5Update_int(void *, u_int8_t *, u_int16_t); 105104476Ssamstatic void SHA1Init_int(void *); 106104476Ssamstatic int SHA1Update_int(void *, u_int8_t *, u_int16_t); 107104476Ssamstatic void SHA1Final_int(u_int8_t *, void *); 108104476Ssamstatic int RMD160Update_int(void *, u_int8_t *, u_int16_t); 109104476Ssamstatic int SHA256Update_int(void *, u_int8_t *, u_int16_t); 110104476Ssamstatic int SHA384Update_int(void *, u_int8_t *, u_int16_t); 111104476Ssamstatic int SHA512Update_int(void *, u_int8_t *, u_int16_t); 112104476Ssam 113104476Ssamstatic u_int32_t deflate_compress(u_int8_t *, u_int32_t, u_int8_t **); 114104476Ssamstatic u_int32_t deflate_decompress(u_int8_t *, u_int32_t, u_int8_t **); 115104476Ssam 116104476SsamMALLOC_DEFINE(M_XDATA, "xform", "xform data buffers"); 117104476Ssam 118104476Ssam/* Encryption instances */ 119104476Ssamstruct enc_xform enc_xform_null = { 120104476Ssam CRYPTO_NULL_CBC, "NULL", 121104476Ssam /* NB: blocksize of 4 is to generate a properly aligned ESP header */ 122159235Spjd NULL_BLOCK_LEN, 0, 256, /* 2048 bits, max key */ 123104476Ssam null_encrypt, 124104476Ssam null_decrypt, 125104476Ssam null_setkey, 126104476Ssam null_zerokey, 127104476Ssam}; 128104476Ssam 129104476Ssamstruct enc_xform enc_xform_des = { 130104476Ssam CRYPTO_DES_CBC, "DES", 131159235Spjd DES_BLOCK_LEN, 8, 8, 132104476Ssam des1_encrypt, 133104476Ssam des1_decrypt, 134104476Ssam des1_setkey, 135104476Ssam des1_zerokey, 136104476Ssam}; 137104476Ssam 138104476Ssamstruct enc_xform enc_xform_3des = { 139104476Ssam CRYPTO_3DES_CBC, "3DES", 140159235Spjd DES3_BLOCK_LEN, 24, 24, 141104476Ssam des3_encrypt, 142104476Ssam des3_decrypt, 143104476Ssam des3_setkey, 144104476Ssam des3_zerokey 145104476Ssam}; 146104476Ssam 147104476Ssamstruct enc_xform enc_xform_blf = { 148104476Ssam CRYPTO_BLF_CBC, "Blowfish", 149159235Spjd BLOWFISH_BLOCK_LEN, 5, 56 /* 448 bits, max key */, 150104476Ssam blf_encrypt, 151104476Ssam blf_decrypt, 152104476Ssam blf_setkey, 153104476Ssam blf_zerokey 154104476Ssam}; 155104476Ssam 156104476Ssamstruct enc_xform enc_xform_cast5 = { 157104476Ssam CRYPTO_CAST_CBC, "CAST-128", 158159235Spjd CAST128_BLOCK_LEN, 5, 16, 159104476Ssam cast5_encrypt, 160104476Ssam cast5_decrypt, 161104476Ssam cast5_setkey, 162104476Ssam cast5_zerokey 163104476Ssam}; 164104476Ssam 165104476Ssamstruct enc_xform enc_xform_skipjack = { 166104476Ssam CRYPTO_SKIPJACK_CBC, "Skipjack", 167159235Spjd SKIPJACK_BLOCK_LEN, 10, 10, 168104476Ssam skipjack_encrypt, 169104476Ssam skipjack_decrypt, 170104476Ssam skipjack_setkey, 171104476Ssam skipjack_zerokey 172104476Ssam}; 173104476Ssam 174104476Ssamstruct enc_xform enc_xform_rijndael128 = { 175104476Ssam CRYPTO_RIJNDAEL128_CBC, "Rijndael-128/AES", 176159235Spjd RIJNDAEL128_BLOCK_LEN, 8, 32, 177104476Ssam rijndael128_encrypt, 178104476Ssam rijndael128_decrypt, 179104476Ssam rijndael128_setkey, 180104476Ssam rijndael128_zerokey, 181104476Ssam}; 182104476Ssam 183104476Ssamstruct enc_xform enc_xform_arc4 = { 184104476Ssam CRYPTO_ARC4, "ARC4", 185104476Ssam 1, 1, 32, 186104476Ssam NULL, 187104476Ssam NULL, 188104476Ssam NULL, 189104476Ssam NULL, 190104476Ssam}; 191104476Ssam 192169425Sgnnstruct enc_xform enc_xform_camellia = { 193169425Sgnn CRYPTO_CAMELLIA_CBC, "Camellia", 194169425Sgnn CAMELLIA_BLOCK_LEN, 8, 32, 195169425Sgnn cml_encrypt, 196169425Sgnn cml_decrypt, 197169425Sgnn cml_setkey, 198169425Sgnn cml_zerokey, 199169425Sgnn}; 200169425Sgnn 201104476Ssam/* Authentication instances */ 202104476Ssamstruct auth_hash auth_hash_null = { 203104476Ssam CRYPTO_NULL_HMAC, "NULL-HMAC", 204159235Spjd 0, NULL_HASH_LEN, NULL_HMAC_BLOCK_LEN, sizeof(int), /* NB: context isn't used */ 205104476Ssam null_init, null_update, null_final 206104476Ssam}; 207104476Ssam 208158703Spjdstruct auth_hash auth_hash_hmac_md5 = { 209104476Ssam CRYPTO_MD5_HMAC, "HMAC-MD5", 210159235Spjd 16, MD5_HASH_LEN, MD5_HMAC_BLOCK_LEN, sizeof(MD5_CTX), 211104476Ssam (void (*) (void *)) MD5Init, MD5Update_int, 212104476Ssam (void (*) (u_int8_t *, void *)) MD5Final 213104476Ssam}; 214104476Ssam 215158703Spjdstruct auth_hash auth_hash_hmac_sha1 = { 216104476Ssam CRYPTO_SHA1_HMAC, "HMAC-SHA1", 217159235Spjd 20, SHA1_HASH_LEN, SHA1_HMAC_BLOCK_LEN, sizeof(SHA1_CTX), 218104476Ssam SHA1Init_int, SHA1Update_int, SHA1Final_int 219104476Ssam}; 220104476Ssam 221158703Spjdstruct auth_hash auth_hash_hmac_ripemd_160 = { 222104476Ssam CRYPTO_RIPEMD160_HMAC, "HMAC-RIPEMD-160", 223159235Spjd 20, RIPEMD160_HASH_LEN, RIPEMD160_HMAC_BLOCK_LEN, sizeof(RMD160_CTX), 224104476Ssam (void (*)(void *)) RMD160Init, RMD160Update_int, 225104476Ssam (void (*)(u_int8_t *, void *)) RMD160Final 226104476Ssam}; 227104476Ssam 228104476Ssamstruct auth_hash auth_hash_key_md5 = { 229213065Spjd CRYPTO_MD5_KPDK, "Keyed MD5", 230159235Spjd 0, MD5_KPDK_HASH_LEN, 0, sizeof(MD5_CTX), 231104476Ssam (void (*)(void *)) MD5Init, MD5Update_int, 232104476Ssam (void (*)(u_int8_t *, void *)) MD5Final 233104476Ssam}; 234104476Ssam 235104476Ssamstruct auth_hash auth_hash_key_sha1 = { 236104476Ssam CRYPTO_SHA1_KPDK, "Keyed SHA1", 237159235Spjd 0, SHA1_KPDK_HASH_LEN, 0, sizeof(SHA1_CTX), 238104476Ssam SHA1Init_int, SHA1Update_int, SHA1Final_int 239104476Ssam}; 240104476Ssam 241104476Ssamstruct auth_hash auth_hash_hmac_sha2_256 = { 242158703Spjd CRYPTO_SHA2_256_HMAC, "HMAC-SHA2-256", 243159235Spjd 32, SHA2_256_HASH_LEN, SHA2_256_HMAC_BLOCK_LEN, sizeof(SHA256_CTX), 244104476Ssam (void (*)(void *)) SHA256_Init, SHA256Update_int, 245104476Ssam (void (*)(u_int8_t *, void *)) SHA256_Final 246104476Ssam}; 247104476Ssam 248104476Ssamstruct auth_hash auth_hash_hmac_sha2_384 = { 249158703Spjd CRYPTO_SHA2_384_HMAC, "HMAC-SHA2-384", 250159235Spjd 48, SHA2_384_HASH_LEN, SHA2_384_HMAC_BLOCK_LEN, sizeof(SHA384_CTX), 251104476Ssam (void (*)(void *)) SHA384_Init, SHA384Update_int, 252104476Ssam (void (*)(u_int8_t *, void *)) SHA384_Final 253104476Ssam}; 254104476Ssam 255104476Ssamstruct auth_hash auth_hash_hmac_sha2_512 = { 256158703Spjd CRYPTO_SHA2_512_HMAC, "HMAC-SHA2-512", 257159235Spjd 64, SHA2_512_HASH_LEN, SHA2_512_HMAC_BLOCK_LEN, sizeof(SHA512_CTX), 258104476Ssam (void (*)(void *)) SHA512_Init, SHA512Update_int, 259104476Ssam (void (*)(u_int8_t *, void *)) SHA512_Final 260104476Ssam}; 261104476Ssam 262104476Ssam/* Compression instance */ 263104476Ssamstruct comp_algo comp_algo_deflate = { 264104476Ssam CRYPTO_DEFLATE_COMP, "Deflate", 265104476Ssam 90, deflate_compress, 266104476Ssam deflate_decompress 267104476Ssam}; 268104476Ssam 269104476Ssam/* 270104476Ssam * Encryption wrapper routines. 271104476Ssam */ 272104476Ssamstatic void 273104476Ssamnull_encrypt(caddr_t key, u_int8_t *blk) 274104476Ssam{ 275104476Ssam} 276104476Ssamstatic void 277104476Ssamnull_decrypt(caddr_t key, u_int8_t *blk) 278104476Ssam{ 279104476Ssam} 280104476Ssamstatic int 281104476Ssamnull_setkey(u_int8_t **sched, u_int8_t *key, int len) 282104476Ssam{ 283104476Ssam *sched = NULL; 284104476Ssam return 0; 285104476Ssam} 286104476Ssamstatic void 287104476Ssamnull_zerokey(u_int8_t **sched) 288104476Ssam{ 289104476Ssam *sched = NULL; 290104476Ssam} 291104476Ssam 292104476Ssamstatic void 293104476Ssamdes1_encrypt(caddr_t key, u_int8_t *blk) 294104476Ssam{ 295104476Ssam des_cblock *cb = (des_cblock *) blk; 296104476Ssam des_key_schedule *p = (des_key_schedule *) key; 297104476Ssam 298104476Ssam des_ecb_encrypt(cb, cb, p[0], DES_ENCRYPT); 299104476Ssam} 300104476Ssam 301104476Ssamstatic void 302104476Ssamdes1_decrypt(caddr_t key, u_int8_t *blk) 303104476Ssam{ 304104476Ssam des_cblock *cb = (des_cblock *) blk; 305104476Ssam des_key_schedule *p = (des_key_schedule *) key; 306104476Ssam 307104476Ssam des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT); 308104476Ssam} 309104476Ssam 310104476Ssamstatic int 311104476Ssamdes1_setkey(u_int8_t **sched, u_int8_t *key, int len) 312104476Ssam{ 313104476Ssam des_key_schedule *p; 314104476Ssam int err; 315104476Ssam 316184205Sdes p = malloc(sizeof (des_key_schedule), 317104476Ssam M_CRYPTO_DATA, M_NOWAIT|M_ZERO); 318104476Ssam if (p != NULL) { 319104476Ssam des_set_key((des_cblock *) key, p[0]); 320104476Ssam err = 0; 321104476Ssam } else 322104476Ssam err = ENOMEM; 323104476Ssam *sched = (u_int8_t *) p; 324104476Ssam return err; 325104476Ssam} 326104476Ssam 327104476Ssamstatic void 328104476Ssamdes1_zerokey(u_int8_t **sched) 329104476Ssam{ 330104476Ssam bzero(*sched, sizeof (des_key_schedule)); 331184205Sdes free(*sched, M_CRYPTO_DATA); 332104476Ssam *sched = NULL; 333104476Ssam} 334104476Ssam 335104476Ssamstatic void 336104476Ssamdes3_encrypt(caddr_t key, u_int8_t *blk) 337104476Ssam{ 338104476Ssam des_cblock *cb = (des_cblock *) blk; 339104476Ssam des_key_schedule *p = (des_key_schedule *) key; 340104476Ssam 341104476Ssam des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_ENCRYPT); 342104476Ssam} 343104476Ssam 344104476Ssamstatic void 345104476Ssamdes3_decrypt(caddr_t key, u_int8_t *blk) 346104476Ssam{ 347104476Ssam des_cblock *cb = (des_cblock *) blk; 348104476Ssam des_key_schedule *p = (des_key_schedule *) key; 349104476Ssam 350104476Ssam des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_DECRYPT); 351104476Ssam} 352104476Ssam 353104476Ssamstatic int 354104476Ssamdes3_setkey(u_int8_t **sched, u_int8_t *key, int len) 355104476Ssam{ 356104476Ssam des_key_schedule *p; 357104476Ssam int err; 358104476Ssam 359184205Sdes p = malloc(3*sizeof (des_key_schedule), 360104476Ssam M_CRYPTO_DATA, M_NOWAIT|M_ZERO); 361104476Ssam if (p != NULL) { 362104476Ssam des_set_key((des_cblock *)(key + 0), p[0]); 363104476Ssam des_set_key((des_cblock *)(key + 8), p[1]); 364104476Ssam des_set_key((des_cblock *)(key + 16), p[2]); 365104476Ssam err = 0; 366104476Ssam } else 367104476Ssam err = ENOMEM; 368104476Ssam *sched = (u_int8_t *) p; 369104476Ssam return err; 370104476Ssam} 371104476Ssam 372104476Ssamstatic void 373104476Ssamdes3_zerokey(u_int8_t **sched) 374104476Ssam{ 375104476Ssam bzero(*sched, 3*sizeof (des_key_schedule)); 376184205Sdes free(*sched, M_CRYPTO_DATA); 377104476Ssam *sched = NULL; 378104476Ssam} 379104476Ssam 380104476Ssamstatic void 381104476Ssamblf_encrypt(caddr_t key, u_int8_t *blk) 382104476Ssam{ 383104476Ssam BF_LONG t[2]; 384104476Ssam 385104476Ssam memcpy(t, blk, sizeof (t)); 386104476Ssam t[0] = ntohl(t[0]); 387104476Ssam t[1] = ntohl(t[1]); 388104476Ssam /* NB: BF_encrypt expects the block in host order! */ 389104476Ssam BF_encrypt(t, (BF_KEY *) key); 390104476Ssam t[0] = htonl(t[0]); 391104476Ssam t[1] = htonl(t[1]); 392104476Ssam memcpy(blk, t, sizeof (t)); 393104476Ssam} 394104476Ssam 395104476Ssamstatic void 396104476Ssamblf_decrypt(caddr_t key, u_int8_t *blk) 397104476Ssam{ 398104476Ssam BF_LONG t[2]; 399104476Ssam 400104476Ssam memcpy(t, blk, sizeof (t)); 401104476Ssam t[0] = ntohl(t[0]); 402104476Ssam t[1] = ntohl(t[1]); 403104476Ssam /* NB: BF_decrypt expects the block in host order! */ 404104476Ssam BF_decrypt(t, (BF_KEY *) key); 405104476Ssam t[0] = htonl(t[0]); 406104476Ssam t[1] = htonl(t[1]); 407104476Ssam memcpy(blk, t, sizeof (t)); 408104476Ssam} 409104476Ssam 410104476Ssamstatic int 411104476Ssamblf_setkey(u_int8_t **sched, u_int8_t *key, int len) 412104476Ssam{ 413104476Ssam int err; 414104476Ssam 415184205Sdes *sched = malloc(sizeof(BF_KEY), 416104476Ssam M_CRYPTO_DATA, M_NOWAIT|M_ZERO); 417104476Ssam if (*sched != NULL) { 418104476Ssam BF_set_key((BF_KEY *) *sched, len, key); 419104476Ssam err = 0; 420104476Ssam } else 421104476Ssam err = ENOMEM; 422104476Ssam return err; 423104476Ssam} 424104476Ssam 425104476Ssamstatic void 426104476Ssamblf_zerokey(u_int8_t **sched) 427104476Ssam{ 428104476Ssam bzero(*sched, sizeof(BF_KEY)); 429184205Sdes free(*sched, M_CRYPTO_DATA); 430104476Ssam *sched = NULL; 431104476Ssam} 432104476Ssam 433104476Ssamstatic void 434104476Ssamcast5_encrypt(caddr_t key, u_int8_t *blk) 435104476Ssam{ 436104476Ssam cast_encrypt((cast_key *) key, blk, blk); 437104476Ssam} 438104476Ssam 439104476Ssamstatic void 440104476Ssamcast5_decrypt(caddr_t key, u_int8_t *blk) 441104476Ssam{ 442104476Ssam cast_decrypt((cast_key *) key, blk, blk); 443104476Ssam} 444104476Ssam 445104476Ssamstatic int 446104476Ssamcast5_setkey(u_int8_t **sched, u_int8_t *key, int len) 447104476Ssam{ 448104476Ssam int err; 449104476Ssam 450184205Sdes *sched = malloc(sizeof(cast_key), M_CRYPTO_DATA, M_NOWAIT|M_ZERO); 451104476Ssam if (*sched != NULL) { 452104476Ssam cast_setkey((cast_key *)*sched, key, len); 453104476Ssam err = 0; 454104476Ssam } else 455104476Ssam err = ENOMEM; 456104476Ssam return err; 457104476Ssam} 458104476Ssam 459104476Ssamstatic void 460104476Ssamcast5_zerokey(u_int8_t **sched) 461104476Ssam{ 462104476Ssam bzero(*sched, sizeof(cast_key)); 463184205Sdes free(*sched, M_CRYPTO_DATA); 464104476Ssam *sched = NULL; 465104476Ssam} 466104476Ssam 467104476Ssamstatic void 468104476Ssamskipjack_encrypt(caddr_t key, u_int8_t *blk) 469104476Ssam{ 470104476Ssam skipjack_forwards(blk, blk, (u_int8_t **) key); 471104476Ssam} 472104476Ssam 473104476Ssamstatic void 474104476Ssamskipjack_decrypt(caddr_t key, u_int8_t *blk) 475104476Ssam{ 476104476Ssam skipjack_backwards(blk, blk, (u_int8_t **) key); 477104476Ssam} 478104476Ssam 479104476Ssamstatic int 480104476Ssamskipjack_setkey(u_int8_t **sched, u_int8_t *key, int len) 481104476Ssam{ 482104476Ssam int err; 483104476Ssam 484104476Ssam /* NB: allocate all the memory that's needed at once */ 485184205Sdes *sched = malloc(10 * (sizeof(u_int8_t *) + 0x100), 486104476Ssam M_CRYPTO_DATA, M_NOWAIT|M_ZERO); 487104476Ssam if (*sched != NULL) { 488104476Ssam u_int8_t** key_tables = (u_int8_t**) *sched; 489104476Ssam u_int8_t* table = (u_int8_t*) &key_tables[10]; 490104476Ssam int k; 491104476Ssam 492104476Ssam for (k = 0; k < 10; k++) { 493104476Ssam key_tables[k] = table; 494104476Ssam table += 0x100; 495104476Ssam } 496104476Ssam subkey_table_gen(key, (u_int8_t **) *sched); 497104476Ssam err = 0; 498104476Ssam } else 499104476Ssam err = ENOMEM; 500104476Ssam return err; 501104476Ssam} 502104476Ssam 503104476Ssamstatic void 504104476Ssamskipjack_zerokey(u_int8_t **sched) 505104476Ssam{ 506104476Ssam bzero(*sched, 10 * (sizeof(u_int8_t *) + 0x100)); 507184205Sdes free(*sched, M_CRYPTO_DATA); 508104476Ssam *sched = NULL; 509104476Ssam} 510104476Ssam 511104476Ssamstatic void 512104476Ssamrijndael128_encrypt(caddr_t key, u_int8_t *blk) 513104476Ssam{ 514104476Ssam rijndael_encrypt((rijndael_ctx *) key, (u_char *) blk, (u_char *) blk); 515104476Ssam} 516104476Ssam 517104476Ssamstatic void 518104476Ssamrijndael128_decrypt(caddr_t key, u_int8_t *blk) 519104476Ssam{ 520143408Sume rijndael_decrypt(((rijndael_ctx *) key), (u_char *) blk, 521104476Ssam (u_char *) blk); 522104476Ssam} 523104476Ssam 524104476Ssamstatic int 525104476Ssamrijndael128_setkey(u_int8_t **sched, u_int8_t *key, int len) 526104476Ssam{ 527104476Ssam int err; 528104476Ssam 529149143Spjd if (len != 16 && len != 24 && len != 32) 530149143Spjd return (EINVAL); 531184205Sdes *sched = malloc(sizeof(rijndael_ctx), M_CRYPTO_DATA, 532104476Ssam M_NOWAIT|M_ZERO); 533104476Ssam if (*sched != NULL) { 534143408Sume rijndael_set_key((rijndael_ctx *) *sched, (u_char *) key, 535143408Sume len * 8); 536104476Ssam err = 0; 537104476Ssam } else 538104476Ssam err = ENOMEM; 539104476Ssam return err; 540104476Ssam} 541104476Ssam 542104476Ssamstatic void 543104476Ssamrijndael128_zerokey(u_int8_t **sched) 544104476Ssam{ 545143408Sume bzero(*sched, sizeof(rijndael_ctx)); 546184205Sdes free(*sched, M_CRYPTO_DATA); 547104476Ssam *sched = NULL; 548104476Ssam} 549104476Ssam 550169425Sgnnstatic void 551169425Sgnncml_encrypt(caddr_t key, u_int8_t *blk) 552169425Sgnn{ 553169425Sgnn camellia_encrypt((camellia_ctx *) key, (u_char *) blk, (u_char *) blk); 554169425Sgnn} 555169425Sgnn 556169425Sgnnstatic void 557169425Sgnncml_decrypt(caddr_t key, u_int8_t *blk) 558169425Sgnn{ 559169425Sgnn camellia_decrypt(((camellia_ctx *) key), (u_char *) blk, 560169425Sgnn (u_char *) blk); 561169425Sgnn} 562169425Sgnn 563169425Sgnnstatic int 564169425Sgnncml_setkey(u_int8_t **sched, u_int8_t *key, int len) 565169425Sgnn{ 566169425Sgnn int err; 567169425Sgnn 568169425Sgnn if (len != 16 && len != 24 && len != 32) 569169425Sgnn return (EINVAL); 570184205Sdes *sched = malloc(sizeof(camellia_ctx), M_CRYPTO_DATA, 571169425Sgnn M_NOWAIT|M_ZERO); 572169425Sgnn if (*sched != NULL) { 573169425Sgnn camellia_set_key((camellia_ctx *) *sched, (u_char *) key, 574169425Sgnn len * 8); 575169425Sgnn err = 0; 576169425Sgnn } else 577169425Sgnn err = ENOMEM; 578169425Sgnn return err; 579169425Sgnn} 580169425Sgnn 581169425Sgnnstatic void 582169425Sgnncml_zerokey(u_int8_t **sched) 583169425Sgnn{ 584169425Sgnn bzero(*sched, sizeof(camellia_ctx)); 585184205Sdes free(*sched, M_CRYPTO_DATA); 586169425Sgnn *sched = NULL; 587169425Sgnn} 588169425Sgnn 589104476Ssam/* 590104476Ssam * And now for auth. 591104476Ssam */ 592104476Ssam 593104476Ssamstatic void 594104476Ssamnull_init(void *ctx) 595104476Ssam{ 596104476Ssam} 597104476Ssam 598104476Ssamstatic int 599104476Ssamnull_update(void *ctx, u_int8_t *buf, u_int16_t len) 600104476Ssam{ 601104476Ssam return 0; 602104476Ssam} 603104476Ssam 604104476Ssamstatic void 605104476Ssamnull_final(u_int8_t *buf, void *ctx) 606104476Ssam{ 607104476Ssam if (buf != (u_int8_t *) 0) 608104476Ssam bzero(buf, 12); 609104476Ssam} 610104476Ssam 611104476Ssamstatic int 612104476SsamRMD160Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 613104476Ssam{ 614104476Ssam RMD160Update(ctx, buf, len); 615104476Ssam return 0; 616104476Ssam} 617104476Ssam 618104476Ssamstatic int 619104476SsamMD5Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 620104476Ssam{ 621104476Ssam MD5Update(ctx, buf, len); 622104476Ssam return 0; 623104476Ssam} 624104476Ssam 625104476Ssamstatic void 626104476SsamSHA1Init_int(void *ctx) 627104476Ssam{ 628104476Ssam SHA1Init(ctx); 629104476Ssam} 630104476Ssam 631104476Ssamstatic int 632104476SsamSHA1Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 633104476Ssam{ 634104476Ssam SHA1Update(ctx, buf, len); 635104476Ssam return 0; 636104476Ssam} 637104476Ssam 638104476Ssamstatic void 639104476SsamSHA1Final_int(u_int8_t *blk, void *ctx) 640104476Ssam{ 641104476Ssam SHA1Final(blk, ctx); 642104476Ssam} 643104476Ssam 644104476Ssamstatic int 645104476SsamSHA256Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 646104476Ssam{ 647104476Ssam SHA256_Update(ctx, buf, len); 648104476Ssam return 0; 649104476Ssam} 650104476Ssam 651104476Ssamstatic int 652104476SsamSHA384Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 653104476Ssam{ 654104476Ssam SHA384_Update(ctx, buf, len); 655104476Ssam return 0; 656104476Ssam} 657104476Ssam 658104476Ssamstatic int 659104476SsamSHA512Update_int(void *ctx, u_int8_t *buf, u_int16_t len) 660104476Ssam{ 661104476Ssam SHA512_Update(ctx, buf, len); 662104476Ssam return 0; 663104476Ssam} 664104476Ssam 665104476Ssam/* 666104476Ssam * And compression 667104476Ssam */ 668104476Ssam 669104476Ssamstatic u_int32_t 670104476Ssamdeflate_compress(data, size, out) 671104476Ssam u_int8_t *data; 672104476Ssam u_int32_t size; 673104476Ssam u_int8_t **out; 674104476Ssam{ 675104476Ssam return deflate_global(data, size, 0, out); 676104476Ssam} 677104476Ssam 678104476Ssamstatic u_int32_t 679104476Ssamdeflate_decompress(data, size, out) 680104476Ssam u_int8_t *data; 681104476Ssam u_int32_t size; 682104476Ssam u_int8_t **out; 683104476Ssam{ 684104476Ssam return deflate_global(data, size, 1, out); 685104476Ssam} 686