sys/opencrypto/xform.h

   1 /*      $FreeBSD: src/sys/opencrypto/xform.h,v 1.1.2.1 2002/11/21 23:34:23 sam Exp $    */
   2 /*      $DragonFly: src/sys/opencrypto/xform.h,v 1.2 2003/06/17 04:28:54 dillon Exp $   */
   3 /*      $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $   */
   4
   5 /*
   6  * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
   7  *
   8  * This code was written by Angelos D. Keromytis in Athens, Greece, in
   9  * February 2000. Network Security Technologies Inc. (NSTI) kindly
  10  * supported the development of this code.
  11  *
  12  * Copyright (c) 2000 Angelos D. Keromytis
  13  *
  14  * Permission to use, copy, and modify this software without fee
  15  * is hereby granted, provided that this entire notice is included in
  16  * all source code copies of any software which is or includes a copy or
  17  * modification of this software.
  18  *
  19  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
  20  * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
  21  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
  22  * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
  23  * PURPOSE.
  24  */
  25
  26 #ifndef _CRYPTO_XFORM_H_
  27 #define _CRYPTO_XFORM_H_
  28
  29 #include <sys/md5.h>
  30 #include <crypto/sha1.h>
  31 #include <crypto/sha2/sha2.h>
  32 #include <opencrypto/rmd160.h>
  33
  34 /* Declarations */
  35 struct auth_hash {
  36         int type;
  37         char *name;
  38         u_int16_t keysize;
  39         u_int16_t hashsize;
  40         u_int16_t authsize;
  41         u_int16_t ctxsize;
  42         void (*Init) (void *);
  43         int  (*Update) (void *, u_int8_t *, u_int16_t);
  44         void (*Final) (u_int8_t *, void *);
  45 };
  46
  47 #define AH_ALEN_MAX     20      /* max authenticator hash length */
  48
  49 struct enc_xform {
  50         int type;
  51         char *name;
  52         u_int16_t blocksize;
  53         u_int16_t minkey, maxkey;
  54         void (*encrypt) (caddr_t, u_int8_t *);
  55         void (*decrypt) (caddr_t, u_int8_t *);
  56         int (*setkey) (u_int8_t **, u_int8_t *, int len);
  57         void (*zerokey) (u_int8_t **);
  58 };
  59
  60 struct comp_algo {
  61         int type;
  62         char *name;
  63         size_t minlen;
  64         u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
  65         u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
  66 };
  67
  68 union authctx {
  69         MD5_CTX md5ctx;
  70         SHA1_CTX sha1ctx;
  71         RMD160_CTX rmd160ctx;
  72         SHA256_CTX sha256ctx;
  73         SHA384_CTX sha384ctx;
  74         SHA512_CTX sha512ctx;
  75 };
  76
  77 extern struct enc_xform enc_xform_null;
  78 extern struct enc_xform enc_xform_des;
  79 extern struct enc_xform enc_xform_3des;
  80 extern struct enc_xform enc_xform_blf;
  81 extern struct enc_xform enc_xform_cast5;
  82 extern struct enc_xform enc_xform_skipjack;
  83 extern struct enc_xform enc_xform_rijndael128;
  84 extern struct enc_xform enc_xform_arc4;
  85
  86 extern struct auth_hash auth_hash_null;
  87 extern struct auth_hash auth_hash_key_md5;
  88 extern struct auth_hash auth_hash_key_sha1;
  89 extern struct auth_hash auth_hash_hmac_md5_96;
  90 extern struct auth_hash auth_hash_hmac_sha1_96;
  91 extern struct auth_hash auth_hash_hmac_ripemd_160_96;
  92 extern struct auth_hash auth_hash_hmac_sha2_256;
  93 extern struct auth_hash auth_hash_hmac_sha2_384;
  94 extern struct auth_hash auth_hash_hmac_sha2_512;
  95
  96 extern struct comp_algo comp_algo_deflate;
  97
  98 #ifdef _KERNEL
  99 #include <sys/malloc.h>
 100 MALLOC_DECLARE(M_XDATA);
 101 #endif
 102 #endif /* _CRYPTO_XFORM_H_ */