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/* $OpenBSD: cryptosoft.h,v 1.14 2012/12/07 17:03:22 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_CRYPTOSOFT_H_
#define _CRYPTO_CRYPTOSOFT_H_
/* Software session entry */
struct swcr_data {
int sw_alg; /* Algorithm */
union {
struct {
u_int8_t *SW_ictx;
u_int8_t *SW_octx;
u_int32_t SW_klen;
struct auth_hash *SW_axf;
} SWCR_AUTH;
struct {
u_int8_t *SW_kschedule;
struct enc_xform *SW_exf;
} SWCR_ENC;
struct {
u_int32_t SW_size;
struct comp_algo *SW_cxf;
} SWCR_COMP;
} SWCR_UN;
#define sw_ictx SWCR_UN.SWCR_AUTH.SW_ictx
#define sw_octx SWCR_UN.SWCR_AUTH.SW_octx
#define sw_klen SWCR_UN.SWCR_AUTH.SW_klen
#define sw_axf SWCR_UN.SWCR_AUTH.SW_axf
#define sw_kschedule SWCR_UN.SWCR_ENC.SW_kschedule
#define sw_exf SWCR_UN.SWCR_ENC.SW_exf
#define sw_size SWCR_UN.SWCR_COMP.SW_size
#define sw_cxf SWCR_UN.SWCR_COMP.SW_cxf
struct swcr_data *sw_next;
};
#ifdef _KERNEL
extern const u_int8_t hmac_ipad_buffer[HMAC_MAX_BLOCK_LEN];
extern const u_int8_t hmac_opad_buffer[HMAC_MAX_BLOCK_LEN];
int swcr_encdec(struct cryptodesc *, struct swcr_data *, caddr_t, int);
int swcr_authcompute(struct cryptop *, struct cryptodesc *, struct swcr_data *,
caddr_t, int);
int swcr_authenc(struct cryptop *);
int swcr_compdec(struct cryptodesc *, struct swcr_data *, caddr_t, int);
int swcr_process(struct cryptop *);
int swcr_newsession(u_int32_t *, struct cryptoini *);
int swcr_freesession(u_int64_t);
void swcr_init(void);
#endif /* _KERNEL */
#endif /* _CRYPTO_CRYPTO_H_ */
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