The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/opencrypto/cryptosoft_xform.c

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*      $NetBSD: cryptosoft_xform.c,v 1.4 2006/11/16 01:33:51 christos Exp $ */
    2 /*      $FreeBSD: src/sys/opencrypto/xform.c,v 1.1.2.1 2002/11/21 23:34:23 sam Exp $    */
    3 /*      $OpenBSD: xform.c,v 1.19 2002/08/16 22:47:25 dhartmei Exp $     */
    4 
    5 /*
    6  * The authors of this code are John Ioannidis (ji@tla.org),
    7  * Angelos D. Keromytis (kermit@csd.uch.gr) and
    8  * Niels Provos (provos@physnet.uni-hamburg.de).
    9  *
   10  * This code was written by John Ioannidis for BSD/OS in Athens, Greece,
   11  * in November 1995.
   12  *
   13  * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
   14  * by Angelos D. Keromytis.
   15  *
   16  * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
   17  * and Niels Provos.
   18  *
   19  * Additional features in 1999 by Angelos D. Keromytis.
   20  *
   21  * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
   22  * Angelos D. Keromytis and Niels Provos.
   23  *
   24  * Copyright (C) 2001, Angelos D. Keromytis.
   25  *
   26  * Permission to use, copy, and modify this software with or without fee
   27  * is hereby granted, provided that this entire notice is included in
   28  * all copies of any software which is or includes a copy or
   29  * modification of this software.
   30  * You may use this code under the GNU public license if you so wish. Please
   31  * contribute changes back to the authors under this freer than GPL license
   32  * so that we may further the use of strong encryption without limitations to
   33  * all.
   34  *
   35  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
   36  * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
   37  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
   38  * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
   39  * PURPOSE.
   40  */
   41 
   42 #include <sys/cdefs.h>
   43 __KERNEL_RCSID(1, "$NetBSD: cryptosoft_xform.c,v 1.4 2006/11/16 01:33:51 christos Exp $");
   44 
   45 #include <crypto/blowfish/blowfish.h>
   46 #include <crypto/cast128/cast128.h>
   47 #include <crypto/des/des.h>
   48 #include <crypto/rijndael/rijndael.h>
   49 #include <crypto/skipjack/skipjack.h>
   50 
   51 #include <opencrypto/deflate.h>
   52 
   53 #include <sys/md5.h>
   54 #include <sys/rmd160.h>
   55 #include <sys/sha1.h>
   56 
   57 struct swcr_auth_hash {
   58         struct auth_hash *auth_hash;
   59         void (*Init)(void *);
   60         int  (*Update)(void *, const uint8_t *, uint16_t);
   61         void (*Final)(uint8_t *, void *);
   62 };
   63 
   64 struct swcr_enc_xform {
   65         struct enc_xform *enc_xform;
   66         void (*encrypt)(caddr_t, uint8_t *);
   67         void (*decrypt)(caddr_t, uint8_t *);
   68         int  (*setkey)(uint8_t **, const uint8_t *, int len);
   69         void (*zerokey)(uint8_t **);
   70 };
   71 
   72 struct swcr_comp_algo {
   73         struct comp_algo *comp_algo;
   74         uint32_t (*compress)(uint8_t *, uint32_t, uint8_t **);
   75         uint32_t (*decompress)(uint8_t *, uint32_t, uint8_t **);
   76 };
   77 
   78 static void null_encrypt(caddr_t, u_int8_t *);
   79 static void null_decrypt(caddr_t, u_int8_t *);
   80 static int null_setkey(u_int8_t **, const u_int8_t *, int);
   81 static void null_zerokey(u_int8_t **);
   82 
   83 static  int des1_setkey(u_int8_t **, const u_int8_t *, int);
   84 static  int des3_setkey(u_int8_t **, const u_int8_t *, int);
   85 static  int blf_setkey(u_int8_t **, const u_int8_t *, int);
   86 static  int cast5_setkey(u_int8_t **, const u_int8_t *, int);
   87 static  int skipjack_setkey(u_int8_t **, const u_int8_t *, int);
   88 static  int rijndael128_setkey(u_int8_t **, const u_int8_t *, int);
   89 static  void des1_encrypt(caddr_t, u_int8_t *);
   90 static  void des3_encrypt(caddr_t, u_int8_t *);
   91 static  void blf_encrypt(caddr_t, u_int8_t *);
   92 static  void cast5_encrypt(caddr_t, u_int8_t *);
   93 static  void skipjack_encrypt(caddr_t, u_int8_t *);
   94 static  void rijndael128_encrypt(caddr_t, u_int8_t *);
   95 static  void des1_decrypt(caddr_t, u_int8_t *);
   96 static  void des3_decrypt(caddr_t, u_int8_t *);
   97 static  void blf_decrypt(caddr_t, u_int8_t *);
   98 static  void cast5_decrypt(caddr_t, u_int8_t *);
   99 static  void skipjack_decrypt(caddr_t, u_int8_t *);
  100 static  void rijndael128_decrypt(caddr_t, u_int8_t *);
  101 static  void des1_zerokey(u_int8_t **);
  102 static  void des3_zerokey(u_int8_t **);
  103 static  void blf_zerokey(u_int8_t **);
  104 static  void cast5_zerokey(u_int8_t **);
  105 static  void skipjack_zerokey(u_int8_t **);
  106 static  void rijndael128_zerokey(u_int8_t **);
  107 
  108 static  void null_init(void *);
  109 static  int null_update(void *, const u_int8_t *, u_int16_t);
  110 static  void null_final(u_int8_t *, void *);
  111 
  112 static int      MD5Update_int(void *, const u_int8_t *, u_int16_t);
  113 static void     SHA1Init_int(void *);
  114 static  int SHA1Update_int(void *, const u_int8_t *, u_int16_t);
  115 static  void SHA1Final_int(u_int8_t *, void *);
  116 
  117 
  118 static int RMD160Update_int(void *, const u_int8_t *, u_int16_t);
  119 static  int SHA1Update_int(void *, const u_int8_t *, u_int16_t);
  120 static  void SHA1Final_int(u_int8_t *, void *);
  121 static  int RMD160Update_int(void *, const u_int8_t *, u_int16_t);
  122 static  int SHA256Update_int(void *, const u_int8_t *, u_int16_t);
  123 static  int SHA384Update_int(void *, const u_int8_t *, u_int16_t);
  124 static  int SHA512Update_int(void *, const u_int8_t *, u_int16_t);
  125 
  126 static u_int32_t deflate_compress(u_int8_t *, u_int32_t, u_int8_t **);
  127 static u_int32_t deflate_decompress(u_int8_t *, u_int32_t, u_int8_t **);
  128 
  129 /* Encryption instances */
  130 static const struct swcr_enc_xform swcr_enc_xform_null = {
  131         &enc_xform_null,
  132         null_encrypt,
  133         null_decrypt,
  134         null_setkey,
  135         null_zerokey,
  136 };
  137 
  138 static const struct swcr_enc_xform swcr_enc_xform_des = {
  139         &enc_xform_des,
  140         des1_encrypt,
  141         des1_decrypt,
  142         des1_setkey,
  143         des1_zerokey,
  144 };
  145 
  146 static const struct swcr_enc_xform swcr_enc_xform_3des = {
  147         &enc_xform_3des,
  148         des3_encrypt,
  149         des3_decrypt,
  150         des3_setkey,
  151         des3_zerokey
  152 };
  153 
  154 static const struct swcr_enc_xform swcr_enc_xform_blf = {
  155         &enc_xform_blf,
  156         blf_encrypt,
  157         blf_decrypt,
  158         blf_setkey,
  159         blf_zerokey
  160 };
  161 
  162 static const struct swcr_enc_xform swcr_enc_xform_cast5 = {
  163         &enc_xform_cast5,
  164         cast5_encrypt,
  165         cast5_decrypt,
  166         cast5_setkey,
  167         cast5_zerokey
  168 };
  169 
  170 static const struct swcr_enc_xform swcr_enc_xform_skipjack = {
  171         &enc_xform_skipjack,
  172         skipjack_encrypt,
  173         skipjack_decrypt,
  174         skipjack_setkey,
  175         skipjack_zerokey
  176 };
  177 
  178 static const struct swcr_enc_xform swcr_enc_xform_rijndael128 = {
  179         &enc_xform_rijndael128,
  180         rijndael128_encrypt,
  181         rijndael128_decrypt,
  182         rijndael128_setkey,
  183         rijndael128_zerokey,
  184 };
  185 
  186 static const struct swcr_enc_xform swcr_enc_xform_arc4 = {
  187         &enc_xform_arc4,
  188         NULL,
  189         NULL,
  190         NULL,
  191         NULL,
  192 };
  193 
  194 /* Authentication instances */
  195 static const struct swcr_auth_hash swcr_auth_hash_null = {
  196         &auth_hash_null,
  197         null_init, null_update, null_final
  198 };
  199 
  200 static const struct swcr_auth_hash swcr_auth_hash_hmac_md5_96 = {
  201         &auth_hash_hmac_md5_96,
  202         (void (*) (void *)) MD5Init, MD5Update_int,
  203         (void (*) (u_int8_t *, void *)) MD5Final
  204 };
  205 
  206 static const struct swcr_auth_hash swcr_auth_hash_hmac_sha1_96 = {
  207         &auth_hash_hmac_sha1_96,
  208         SHA1Init_int, SHA1Update_int, SHA1Final_int
  209 };
  210 
  211 static const struct swcr_auth_hash swcr_auth_hash_hmac_ripemd_160_96 = {
  212         &auth_hash_hmac_ripemd_160_96,
  213         (void (*)(void *)) RMD160Init, RMD160Update_int,
  214         (void (*)(u_int8_t *, void *)) RMD160Final
  215 };
  216 
  217 static const struct swcr_auth_hash swcr_auth_hash_key_md5 = {
  218         &auth_hash_key_md5,
  219         (void (*)(void *)) MD5Init, MD5Update_int,
  220         (void (*)(u_int8_t *, void *)) MD5Final
  221 };
  222 
  223 static const struct swcr_auth_hash swcr_auth_hash_key_sha1 = {
  224         &auth_hash_key_sha1,
  225         SHA1Init_int, SHA1Update_int, SHA1Final_int
  226 };
  227 
  228 static const struct swcr_auth_hash swcr_auth_hash_md5 = {
  229         &auth_hash_md5,
  230         (void (*) (void *)) MD5Init, MD5Update_int,
  231         (void (*) (u_int8_t *, void *)) MD5Final
  232 };
  233 
  234 static const struct swcr_auth_hash swcr_auth_hash_sha1 = {
  235         &auth_hash_sha1,
  236         (void (*)(void *)) SHA1Init, SHA1Update_int,
  237         (void (*)(u_int8_t *, void *)) SHA1Final
  238 };
  239 
  240 static const struct swcr_auth_hash swcr_auth_hash_hmac_sha2_256 = {
  241         &auth_hash_hmac_sha2_256,
  242         (void (*)(void *)) SHA256_Init, SHA256Update_int,
  243         (void (*)(u_int8_t *, void *)) SHA256_Final
  244 };
  245 
  246 static const struct swcr_auth_hash swcr_auth_hash_hmac_sha2_384 = {
  247         &auth_hash_hmac_sha2_384,
  248         (void (*)(void *)) SHA384_Init, SHA384Update_int,
  249         (void (*)(u_int8_t *, void *)) SHA384_Final
  250 };
  251 
  252 static const struct swcr_auth_hash swcr_auth_hash_hmac_sha2_512 = {
  253         &auth_hash_hmac_sha2_384,
  254         (void (*)(void *)) SHA512_Init, SHA512Update_int,
  255         (void (*)(u_int8_t *, void *)) SHA512_Final
  256 };
  257 
  258 /* Compression instance */
  259 static const struct swcr_comp_algo swcr_comp_algo_deflate = {
  260         &comp_algo_deflate,
  261         deflate_compress,
  262         deflate_decompress
  263 };
  264 
  265 /*
  266  * Encryption wrapper routines.
  267  */
  268 static void
  269 null_encrypt(caddr_t key, u_int8_t *blk)
  270 {
  271 }
  272 static void
  273 null_decrypt(caddr_t key, u_int8_t *blk)
  274 {
  275 }
  276 static int
  277 null_setkey(u_int8_t **sched, const u_int8_t *key, int len)
  278 {
  279         *sched = NULL;
  280         return 0;
  281 }
  282 static void
  283 null_zerokey(u_int8_t **sched)
  284 {
  285         *sched = NULL;
  286 }
  287 
  288 static void
  289 des1_encrypt(caddr_t key, u_int8_t *blk)
  290 {
  291         des_cblock *cb = (des_cblock *) blk;
  292         des_key_schedule *p = (des_key_schedule *) key;
  293 
  294         des_ecb_encrypt(cb, cb, p[0], DES_ENCRYPT);
  295 }
  296 
  297 static void
  298 des1_decrypt(caddr_t key, u_int8_t *blk)
  299 {
  300         des_cblock *cb = (des_cblock *) blk;
  301         des_key_schedule *p = (des_key_schedule *) key;
  302 
  303         des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT);
  304 }
  305 
  306 static int
  307 des1_setkey(u_int8_t **sched, const u_int8_t *key, int len)
  308 {
  309         des_key_schedule *p;
  310         int err;
  311 
  312         MALLOC(p, des_key_schedule *, sizeof (des_key_schedule),
  313                 M_CRYPTO_DATA, M_NOWAIT);
  314         if (p != NULL) {
  315                 bzero(p, sizeof(des_key_schedule));
  316                 des_set_key((des_cblock *)__UNCONST(key), p[0]);
  317                 err = 0;
  318         } else
  319                 err = ENOMEM;
  320         *sched = (u_int8_t *) p;
  321         return err;
  322 }
  323 
  324 static void
  325 des1_zerokey(u_int8_t **sched)
  326 {
  327         bzero(*sched, sizeof (des_key_schedule));
  328         FREE(*sched, M_CRYPTO_DATA);
  329         *sched = NULL;
  330 }
  331 
  332 static void
  333 des3_encrypt(caddr_t key, u_int8_t *blk)
  334 {
  335         des_cblock *cb = (des_cblock *) blk;
  336         des_key_schedule *p = (des_key_schedule *) key;
  337 
  338         des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_ENCRYPT);
  339 }
  340 
  341 static void
  342 des3_decrypt(caddr_t key, u_int8_t *blk)
  343 {
  344         des_cblock *cb = (des_cblock *) blk;
  345         des_key_schedule *p = (des_key_schedule *) key;
  346 
  347         des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_DECRYPT);
  348 }
  349 
  350 static int
  351 des3_setkey(u_int8_t **sched, const u_int8_t *key, int len)
  352 {
  353         des_key_schedule *p;
  354         int err;
  355 
  356         MALLOC(p, des_key_schedule *, 3*sizeof (des_key_schedule),
  357                 M_CRYPTO_DATA, M_NOWAIT);
  358         if (p != NULL) {
  359                 bzero(p, 3*sizeof(des_key_schedule));
  360                 des_set_key((des_cblock *)__UNCONST(key +  0), p[0]);
  361                 des_set_key((des_cblock *)__UNCONST(key +  8), p[1]);
  362                 des_set_key((des_cblock *)__UNCONST(key + 16), p[2]);
  363                 err = 0;
  364         } else
  365                 err = ENOMEM;
  366         *sched = (u_int8_t *) p;
  367         return err;
  368 }
  369 
  370 static void
  371 des3_zerokey(u_int8_t **sched)
  372 {
  373         bzero(*sched, 3*sizeof (des_key_schedule));
  374         FREE(*sched, M_CRYPTO_DATA);
  375         *sched = NULL;
  376 }
  377 
  378 static void
  379 blf_encrypt(caddr_t key, u_int8_t *blk)
  380 {
  381 
  382 #if defined(__NetBSD__)
  383         BF_ecb_encrypt(blk, blk, (BF_KEY *)key, 1);
  384 #else
  385         blf_ecb_encrypt((blf_ctx *) key, blk, 8);
  386 #endif
  387 }
  388 
  389 static void
  390 blf_decrypt(caddr_t key, u_int8_t *blk)
  391 {
  392 
  393 #if defined(__NetBSD__)
  394         BF_ecb_encrypt(blk, blk, (BF_KEY *)key, 0);
  395 #else
  396         blf_ecb_decrypt((blf_ctx *) key, blk, 8);
  397 #endif
  398 }
  399 
  400 static int
  401 blf_setkey(u_int8_t **sched, const u_int8_t *key, int len)
  402 {
  403         int err;
  404 
  405 #if defined(__FreeBSD__) || defined(__NetBSD__)
  406 #define BLF_SIZ sizeof(BF_KEY)
  407 #else
  408 #define BLF_SIZ sizeof(blf_ctx)
  409 #endif
  410 
  411         MALLOC(*sched, u_int8_t *, BLF_SIZ,
  412                 M_CRYPTO_DATA, M_NOWAIT);
  413         if (*sched != NULL) {
  414                 bzero(*sched, BLF_SIZ);
  415 #if defined(__FreeBSD__) || defined(__NetBSD__)
  416                 BF_set_key((BF_KEY *) *sched, len, key);
  417 #else
  418                 blf_key((blf_ctx *)*sched, key, len);
  419 #endif
  420                 err = 0;
  421         } else
  422                 err = ENOMEM;
  423         return err;
  424 }
  425 
  426 static void
  427 blf_zerokey(u_int8_t **sched)
  428 {
  429         bzero(*sched, BLF_SIZ);
  430         FREE(*sched, M_CRYPTO_DATA);
  431         *sched = NULL;
  432 }
  433 
  434 static void
  435 cast5_encrypt(caddr_t key, u_int8_t *blk)
  436 {
  437         cast128_encrypt((cast128_key *) key, blk, blk);
  438 }
  439 
  440 static void
  441 cast5_decrypt(caddr_t key, u_int8_t *blk)
  442 {
  443         cast128_decrypt((cast128_key *) key, blk, blk);
  444 }
  445 
  446 static int
  447 cast5_setkey(u_int8_t **sched, const u_int8_t *key, int len)
  448 {
  449         int err;
  450 
  451         MALLOC(*sched, u_int8_t *, sizeof(cast128_key), M_CRYPTO_DATA,
  452                M_NOWAIT);
  453         if (*sched != NULL) {
  454                 bzero(*sched, sizeof(cast128_key));
  455                 cast128_setkey((cast128_key *)*sched, key, len);
  456                 err = 0;
  457         } else
  458                 err = ENOMEM;
  459         return err;
  460 }
  461 
  462 static void
  463 cast5_zerokey(u_int8_t **sched)
  464 {
  465         bzero(*sched, sizeof(cast128_key));
  466         FREE(*sched, M_CRYPTO_DATA);
  467         *sched = NULL;
  468 }
  469 
  470 static void
  471 skipjack_encrypt(caddr_t key, u_int8_t *blk)
  472 {
  473         skipjack_forwards(blk, blk, (u_int8_t **) key);
  474 }
  475 
  476 static void
  477 skipjack_decrypt(caddr_t key, u_int8_t *blk)
  478 {
  479         skipjack_backwards(blk, blk, (u_int8_t **) key);
  480 }
  481 
  482 static int
  483 skipjack_setkey(u_int8_t **sched, const u_int8_t *key, int len)
  484 {
  485         int err;
  486 
  487         /* NB: allocate all the memory that's needed at once */
  488         /* XXX assumes bytes are aligned on sizeof(u_char) == 1 boundaries.
  489          * Will this break a pdp-10, Cray-1, or GE-645 port?
  490          */
  491         MALLOC(*sched, u_int8_t *, 10 * (sizeof(u_int8_t *) + 0x100),
  492                 M_CRYPTO_DATA, M_NOWAIT);
  493 
  494         if (*sched != NULL) {
  495 
  496                 u_int8_t** key_tables = (u_int8_t**) *sched;
  497                 u_int8_t* table = (u_int8_t*) &key_tables[10];
  498                 int k;
  499 
  500                 bzero(*sched, 10 * sizeof(u_int8_t *)+0x100);
  501 
  502                 for (k = 0; k < 10; k++) {
  503                         key_tables[k] = table;
  504                         table += 0x100;
  505                 }
  506                 subkey_table_gen(key, (u_int8_t **) *sched);
  507                 err = 0;
  508         } else
  509                 err = ENOMEM;
  510         return err;
  511 }
  512 
  513 static void
  514 skipjack_zerokey(u_int8_t **sched)
  515 {
  516         bzero(*sched, 10 * (sizeof(u_int8_t *) + 0x100));
  517         FREE(*sched, M_CRYPTO_DATA);
  518         *sched = NULL;
  519 }
  520 
  521 static void
  522 rijndael128_encrypt(caddr_t key, u_int8_t *blk)
  523 {
  524         rijndael_encrypt((rijndael_ctx *) key, (u_char *) blk, (u_char *) blk);
  525 }
  526 
  527 static void
  528 rijndael128_decrypt(caddr_t key, u_int8_t *blk)
  529 {
  530         rijndael_decrypt((rijndael_ctx *) key, (u_char *) blk,
  531             (u_char *) blk);
  532 }
  533 
  534 static int
  535 rijndael128_setkey(u_int8_t **sched, const u_int8_t *key, int len)
  536 {
  537         int err;
  538 
  539         MALLOC(*sched, u_int8_t *, sizeof(rijndael_ctx), M_CRYPTO_DATA,
  540             M_WAITOK);
  541         if (*sched != NULL) {
  542                 bzero(*sched, sizeof(rijndael_ctx));
  543                 rijndael_set_key((rijndael_ctx *) *sched, key, len * 8);
  544                 err = 0;
  545         } else
  546                 err = ENOMEM;
  547         return err;
  548 }
  549 
  550 static void
  551 rijndael128_zerokey(u_int8_t **sched)
  552 {
  553         bzero(*sched, sizeof(rijndael_ctx));
  554         FREE(*sched, M_CRYPTO_DATA);
  555         *sched = NULL;
  556 }
  557 
  558 /*
  559  * And now for auth.
  560  */
  561 
  562 static void
  563 null_init(void *ctx)
  564 {
  565 }
  566 
  567 static int
  568 null_update(void *ctx, const u_int8_t *buf,
  569     u_int16_t len)
  570 {
  571         return 0;
  572 }
  573 
  574 static void
  575 null_final(u_int8_t *buf, void *ctx)
  576 {
  577         if (buf != (u_int8_t *) 0)
  578                 bzero(buf, 12);
  579 }
  580 
  581 static int
  582 RMD160Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
  583 {
  584         RMD160Update(ctx, buf, len);
  585         return 0;
  586 }
  587 
  588 static int
  589 MD5Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
  590 {
  591         MD5Update(ctx, buf, len);
  592         return 0;
  593 }
  594 
  595 static void
  596 SHA1Init_int(void *ctx)
  597 {
  598         SHA1Init(ctx);
  599 }
  600 
  601 static int
  602 SHA1Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
  603 {
  604         SHA1Update(ctx, buf, len);
  605         return 0;
  606 }
  607 
  608 static void
  609 SHA1Final_int(u_int8_t *blk, void *ctx)
  610 {
  611         SHA1Final(blk, ctx);
  612 }
  613 
  614 static int
  615 SHA256Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
  616 {
  617         SHA256_Update(ctx, buf, len);
  618         return 0;
  619 }
  620 
  621 static int
  622 SHA384Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
  623 {
  624         SHA384_Update(ctx, buf, len);
  625         return 0;
  626 }
  627 
  628 static int
  629 SHA512Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
  630 {
  631         SHA512_Update(ctx, buf, len);
  632         return 0;
  633 }
  634 
  635 /*
  636  * And compression
  637  */
  638 
  639 static u_int32_t
  640 deflate_compress(data, size, out)
  641         u_int8_t *data;
  642         u_int32_t size;
  643         u_int8_t **out;
  644 {
  645         return deflate_global(data, size, 0, out);
  646 }
  647 
  648 static u_int32_t
  649 deflate_decompress(data, size, out)
  650         u_int8_t *data;
  651         u_int32_t size;
  652         u_int8_t **out;
  653 {
  654         return deflate_global(data, size, 1, out);
  655 }

Cache object: adef09f89b5a8a5b9ea6d8b1076e146b


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.