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/* $OpenBSD: xform.h,v 1.29 2017/05/02 11:44:32 mikeb Exp $ */
/*
* The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
*
* This code was written by Angelos D. Keromytis in Athens, Greece, in
* February 2000. Network Security Technologies Inc. (NSTI) kindly
* supported the development of this code.
*
* Copyright (c) 2000 Angelos D. Keromytis
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all source code copies of any software which is or includes a copy or
* modification of this software.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#ifndef _CRYPTO_XFORM_H_
#define _CRYPTO_XFORM_H_
#include <crypto/md5.h>
#include <crypto/sha1.h>
#include <crypto/rmd160.h>
#include <crypto/sha2.h>
#include <crypto/gmac.h>
/* Declarations */
struct auth_hash {
int type;
char *name;
u_int16_t keysize;
u_int16_t hashsize;
u_int16_t authsize;
u_int16_t ctxsize;
u_int16_t blocksize;
void (*Init) (void *);
void (*Setkey) (void *, const u_int8_t *, u_int16_t);
void (*Reinit) (void *, const u_int8_t *, u_int16_t);
int (*Update) (void *, const u_int8_t *, u_int16_t);
void (*Final) (u_int8_t *, void *);
};
struct enc_xform {
int type;
char *name;
u_int16_t blocksize;
u_int16_t ivsize;
u_int16_t minkey;
u_int16_t maxkey;
u_int16_t ctxsize;
void (*encrypt) (caddr_t, u_int8_t *);
void (*decrypt) (caddr_t, u_int8_t *);
int (*setkey) (void *, u_int8_t *, int len);
void (*reinit) (caddr_t, u_int8_t *);
};
struct comp_algo {
int type;
char *name;
size_t minlen;
u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
};
union authctx {
MD5_CTX md5ctx;
SHA1_CTX sha1ctx;
RMD160_CTX rmd160ctx;
SHA2_CTX sha2_ctx;
AES_GMAC_CTX aes_gmac_ctx;
};
extern struct enc_xform enc_xform_3des;
extern struct enc_xform enc_xform_blf;
extern struct enc_xform enc_xform_cast5;
extern struct enc_xform enc_xform_aes;
extern struct enc_xform enc_xform_aes_ctr;
extern struct enc_xform enc_xform_aes_gcm;
extern struct enc_xform enc_xform_aes_gmac;
extern struct enc_xform enc_xform_aes_xts;
extern struct enc_xform enc_xform_chacha20_poly1305;
extern struct enc_xform enc_xform_null;
extern struct auth_hash auth_hash_hmac_md5_96;
extern struct auth_hash auth_hash_hmac_sha1_96;
extern struct auth_hash auth_hash_hmac_ripemd_160_96;
extern struct auth_hash auth_hash_hmac_sha2_256_128;
extern struct auth_hash auth_hash_hmac_sha2_384_192;
extern struct auth_hash auth_hash_hmac_sha2_512_256;
extern struct auth_hash auth_hash_gmac_aes_128;
extern struct auth_hash auth_hash_gmac_aes_192;
extern struct auth_hash auth_hash_gmac_aes_256;
extern struct auth_hash auth_hash_chacha20_poly1305;
extern struct comp_algo comp_algo_deflate;
extern struct comp_algo comp_algo_lzs;
#endif /* _CRYPTO_XFORM_H_ */
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