sys/opencrypto/xform.h

   1 /*      $FreeBSD: src/sys/opencrypto/xform.h,v 1.4 2007/05/09 19:37:02 gnn Exp $        */
   2 /*      $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $   */
   3
   4 /*-
   5  * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
   6  *
   7  * This code was written by Angelos D. Keromytis in Athens, Greece, in
   8  * February 2000. Network Security Technologies Inc. (NSTI) kindly
   9  * supported the development of this code.
  10  *
  11  * Copyright (c) 2000 Angelos D. Keromytis
  12  *
  13  * Permission to use, copy, and modify this software without fee
  14  * is hereby granted, provided that this entire notice is included in
  15  * all source code copies of any software which is or includes a copy or
  16  * modification of this software.
  17  *
  18  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
  19  * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
  20  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
  21  * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
  22  * PURPOSE.
  23  */
  24
  25 #ifndef _CRYPTO_XFORM_H_
  26 #define _CRYPTO_XFORM_H_
  27
  28 #include <sys/md5.h>
  29 #include <crypto/sha1.h>
  30 #include <crypto/sha2/sha2.h>
  31 #include <opencrypto/rmd160.h>
  32 #include <opencrypto/gmac.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 blocksize;
  41         u_int16_t ctxsize;
  42         void (*Init) (void *);
  43         int  (*Setkey) (void *, const u_int8_t *, u_int16_t);
  44         void (*Reinit) (void *, const u_int8_t *, u_int16_t);
  45         int  (*Update) (void *, u_int8_t *, u_int16_t);
  46         void (*Final) (u_int8_t *, void *);
  47 };
  48
  49 #define AH_ALEN_MAX     20      /* max authenticator hash length */
  50
  51 struct enc_xform {
  52         int type;
  53         char *name;
  54         u_int16_t blocksize;
  55         u_int16_t ivsize;
  56         u_int16_t minkey;
  57         u_int16_t maxkey;
  58         u_int16_t ctxsize;
  59         void (*encrypt) (caddr_t, u_int8_t *, u_int8_t *);
  60         void (*decrypt) (caddr_t, u_int8_t *, u_int8_t *);
  61         int (*setkey) (void *, u_int8_t *, int);
  62         void (*reinit) (caddr_t, u_int8_t *);
  63 };
  64
  65 struct comp_algo {
  66         int type;
  67         char *name;
  68         size_t minlen;
  69         u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
  70         u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
  71 };
  72
  73 union authctx {
  74         MD5_CTX md5ctx;
  75         SHA1_CTX sha1ctx;
  76         RMD160_CTX rmd160ctx;
  77         SHA256_CTX sha256ctx;
  78         SHA384_CTX sha384ctx;
  79         SHA512_CTX sha512ctx;
  80         AES_GMAC_CTX    aes_gmac_ctx;
  81 };
  82
  83 extern struct enc_xform enc_xform_null;
  84 extern struct enc_xform enc_xform_des;
  85 extern struct enc_xform enc_xform_3des;
  86 extern struct enc_xform enc_xform_blf;
  87 extern struct enc_xform enc_xform_cast5;
  88 extern struct enc_xform enc_xform_skipjack;
  89 extern struct enc_xform enc_xform_rijndael128;
  90 extern struct enc_xform enc_xform_aes_xts;
  91 extern struct enc_xform enc_xform_aes_ctr;
  92 extern struct enc_xform enc_xform_aes_gcm;
  93 extern struct enc_xform enc_xform_aes_gmac;
  94 extern struct enc_xform enc_xform_arc4;
  95 extern struct enc_xform enc_xform_camellia;
  96 extern struct enc_xform enc_xform_twofish;
  97 extern struct enc_xform enc_xform_serpent;
  98 extern struct enc_xform enc_xform_twofish_xts;
  99 extern struct enc_xform enc_xform_serpent_xts;
 100
 101 extern struct auth_hash auth_hash_null;
 102 extern struct auth_hash auth_hash_key_md5;
 103 extern struct auth_hash auth_hash_key_sha1;
 104 extern struct auth_hash auth_hash_hmac_md5;
 105 extern struct auth_hash auth_hash_hmac_sha1;
 106 extern struct auth_hash auth_hash_hmac_ripemd_160;
 107 extern struct auth_hash auth_hash_hmac_sha2_256;
 108 extern struct auth_hash auth_hash_hmac_sha2_384;
 109 extern struct auth_hash auth_hash_hmac_sha2_512;
 110 extern struct auth_hash auth_hash_gmac_aes_128;
 111 extern struct auth_hash auth_hash_gmac_aes_192;
 112 extern struct auth_hash auth_hash_gmac_aes_256;
 113
 114 extern struct comp_algo comp_algo_deflate;
 115
 116 #ifdef MALLOC_DECLARE
 117 MALLOC_DECLARE(M_XDATA);
 118 #endif
 119 #endif /* _CRYPTO_XFORM_H_ */