root/crypto/xform.h

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INCLUDED FROM

    1 /*      $OpenBSD: xform.h,v 1.16 2005/05/25 05:47:53 markus Exp $       */
    2 
    3 /*
    4  * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
    5  *
    6  * This code was written by Angelos D. Keromytis in Athens, Greece, in
    7  * February 2000. Network Security Technologies Inc. (NSTI) kindly
    8  * supported the development of this code.
    9  *
   10  * Copyright (c) 2000 Angelos D. Keromytis
   11  *
   12  * Permission to use, copy, and modify this software with or without fee
   13  * is hereby granted, provided that this entire notice is included in
   14  * all source code copies of any software which is or includes a copy or
   15  * modification of this software.
   16  *
   17  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
   18  * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
   19  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
   20  * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
   21  * PURPOSE.
   22  */
   23 
   24 #ifndef _CRYPTO_XFORM_H_
   25 #define _CRYPTO_XFORM_H_
   26 
   27 #include <crypto/md5.h>
   28 #include <crypto/sha1.h>
   29 #include <crypto/rmd160.h>
   30 #include <crypto/sha2.h>
   31 
   32 /* Declarations */
   33 struct auth_hash {
   34         int type;
   35         char *name;
   36         u_int16_t keysize;
   37         u_int16_t hashsize;
   38         u_int16_t authsize;
   39         u_int16_t ctxsize;
   40         void (*Init) (void *);
   41         int  (*Update) (void *, u_int8_t *, u_int16_t);
   42         void (*Final) (u_int8_t *, void *);
   43 };
   44 
   45 struct enc_xform {
   46         int type;
   47         char *name;
   48         u_int16_t blocksize, ivsize;
   49         u_int16_t minkey, maxkey;
   50         void (*encrypt) (caddr_t, u_int8_t *);
   51         void (*decrypt) (caddr_t, u_int8_t *);
   52         int  (*setkey) (u_int8_t **, u_int8_t *, int len);
   53         void (*zerokey) (u_int8_t **);
   54         void (*reinit) (caddr_t, u_int8_t *);
   55 };
   56 
   57 struct comp_algo {
   58         int type;
   59         char *name;
   60         size_t minlen;
   61         u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
   62         u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
   63 };
   64 
   65 union authctx {
   66         MD5_CTX md5ctx;
   67         SHA1_CTX sha1ctx;
   68         RMD160_CTX rmd160ctx;
   69         SHA256_CTX sha2_256ctx;
   70         SHA384_CTX sha2_384ctx;
   71         SHA512_CTX sha2_512ctx;
   72 };
   73 
   74 extern struct enc_xform enc_xform_des;
   75 extern struct enc_xform enc_xform_3des;
   76 extern struct enc_xform enc_xform_blf;
   77 extern struct enc_xform enc_xform_cast5;
   78 extern struct enc_xform enc_xform_skipjack;
   79 extern struct enc_xform enc_xform_rijndael128;
   80 extern struct enc_xform enc_xform_aes_ctr;
   81 extern struct enc_xform enc_xform_arc4;
   82 extern struct enc_xform enc_xform_null;
   83 
   84 extern struct auth_hash auth_hash_md5;
   85 extern struct auth_hash auth_hash_sha1;
   86 extern struct auth_hash auth_hash_key_md5;
   87 extern struct auth_hash auth_hash_key_sha1;
   88 extern struct auth_hash auth_hash_hmac_md5_96;
   89 extern struct auth_hash auth_hash_hmac_sha1_96;
   90 extern struct auth_hash auth_hash_hmac_ripemd_160_96;
   91 extern struct auth_hash auth_hash_hmac_sha2_256_96;
   92 extern struct auth_hash auth_hash_hmac_sha2_384_96;
   93 extern struct auth_hash auth_hash_hmac_sha2_512_96;
   94 
   95 extern struct comp_algo comp_algo_deflate;
   96 extern struct comp_algo comp_algo_lzs;
   97 
   98 #endif /* _CRYPTO_XFORM_H_ */
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