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


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FreeBSD/Linux Kernel Cross Reference
sys/opencrypto/xform.h

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    1 /*      $FreeBSD: src/sys/opencrypto/xform.h,v 1.4 2007/05/09 19:37:02 gnn 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 #include <opencrypto/gmac.h>
   34 
   35 /* Declarations */
   36 struct auth_hash {
   37         int type;
   38         char *name;
   39         u_int16_t keysize;
   40         u_int16_t hashsize; 
   41         u_int16_t blocksize;
   42         u_int16_t ctxsize;
   43         void (*Init) (void *);
   44         void (*Setkey) (void *, const u_int8_t *, u_int16_t);
   45         void (*Reinit) (void *, const u_int8_t *, u_int16_t);
   46         int  (*Update) (void *, u_int8_t *, u_int16_t);
   47         void (*Final) (u_int8_t *, void *);
   48 };
   49 
   50 #define AH_ALEN_MAX     20      /* max authenticator hash length */
   51 
   52 struct enc_xform {
   53         int type;
   54         char *name;
   55         u_int16_t blocksize, ivsize;
   56         u_int16_t minkey, maxkey;
   57         void (*encrypt) (caddr_t, u_int8_t *, u_int8_t *);
   58         void (*decrypt) (caddr_t, u_int8_t *, u_int8_t *);
   59         int (*setkey) (u_int8_t **, u_int8_t *, int len);
   60         void (*zerokey) (u_int8_t **);
   61         void (*reinit) (caddr_t, u_int8_t *);
   62 };
   63 
   64 struct comp_algo {
   65         int type;
   66         char *name;
   67         size_t minlen;
   68         u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
   69         u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
   70 };
   71 
   72 union authctx {
   73         MD5_CTX md5ctx;
   74         SHA1_CTX sha1ctx;
   75         RMD160_CTX rmd160ctx;
   76         SHA256_CTX sha256ctx;
   77         SHA384_CTX sha384ctx;
   78         SHA512_CTX sha512ctx;
   79         AES_GMAC_CTX    aes_gmac_ctx;
   80 };
   81 
   82 extern struct enc_xform enc_xform_null;
   83 extern struct enc_xform enc_xform_des;
   84 extern struct enc_xform enc_xform_3des;
   85 extern struct enc_xform enc_xform_blf;
   86 extern struct enc_xform enc_xform_cast5;
   87 extern struct enc_xform enc_xform_skipjack;
   88 extern struct enc_xform enc_xform_rijndael128;
   89 extern struct enc_xform enc_xform_aes_xts;
   90 extern struct enc_xform enc_xform_aes_ctr;
   91 extern struct enc_xform enc_xform_aes_gcm;
   92 extern struct enc_xform enc_xform_aes_gmac;
   93 extern struct enc_xform enc_xform_arc4;
   94 extern struct enc_xform enc_xform_camellia;
   95 extern struct enc_xform enc_xform_twofish;
   96 extern struct enc_xform enc_xform_serpent;
   97 extern struct enc_xform enc_xform_twofish_xts;
   98 extern struct enc_xform enc_xform_serpent_xts;
   99 
  100 extern struct auth_hash auth_hash_null;
  101 extern struct auth_hash auth_hash_key_md5;
  102 extern struct auth_hash auth_hash_key_sha1;
  103 extern struct auth_hash auth_hash_hmac_md5;
  104 extern struct auth_hash auth_hash_hmac_sha1;
  105 extern struct auth_hash auth_hash_hmac_ripemd_160;
  106 extern struct auth_hash auth_hash_hmac_sha2_256;
  107 extern struct auth_hash auth_hash_hmac_sha2_384;
  108 extern struct auth_hash auth_hash_hmac_sha2_512;
  109 extern struct auth_hash auth_hash_gmac_aes_128;
  110 extern struct auth_hash auth_hash_gmac_aes_192;
  111 extern struct auth_hash auth_hash_gmac_aes_256;
  112 
  113 extern struct comp_algo comp_algo_deflate;
  114 
  115 #ifdef _KERNEL
  116 #include <sys/malloc.h>
  117 MALLOC_DECLARE(M_XDATA);
  118 #endif
  119 #endif /* _CRYPTO_XFORM_H_ */

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