78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/* $OpenBSD: cryptosoft.h,v 1.16 2021/07/09 15:29:55 bluhm Exp $ */
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/*
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* The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
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*
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* This code was written by Angelos D. Keromytis in Athens, Greece, in
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* February 2000. Network Security Technologies Inc. (NSTI) kindly
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* supported the development of this code.
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*
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* Copyright (c) 2000 Angelos D. Keromytis
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*
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* Permission to use, copy, and modify this software with or without fee
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* is hereby granted, provided that this entire notice is included in
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* all source code copies of any software which is or includes a copy or
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* modification of this software.
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*
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
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* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
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* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
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* PURPOSE.
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*/
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#ifndef _CRYPTO_CRYPTOSOFT_H_
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#define _CRYPTO_CRYPTOSOFT_H_
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#include <sys/queue.h>
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/* Software session entry */
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struct swcr_data {
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int sw_alg; /* Algorithm */
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union {
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struct {
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u_int8_t *SW_ictx;
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u_int8_t *SW_octx;
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u_int32_t SW_klen;
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const struct auth_hash *SW_axf;
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} SWCR_AUTH;
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struct {
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u_int8_t *SW_kschedule;
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const struct enc_xform *SW_exf;
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} SWCR_ENC;
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struct {
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u_int32_t SW_size;
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const struct comp_algo *SW_cxf;
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} SWCR_COMP;
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} SWCR_UN;
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#define sw_ictx SWCR_UN.SWCR_AUTH.SW_ictx
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#define sw_octx SWCR_UN.SWCR_AUTH.SW_octx
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#define sw_klen SWCR_UN.SWCR_AUTH.SW_klen
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#define sw_axf SWCR_UN.SWCR_AUTH.SW_axf
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#define sw_kschedule SWCR_UN.SWCR_ENC.SW_kschedule
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#define sw_exf SWCR_UN.SWCR_ENC.SW_exf
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#define sw_size SWCR_UN.SWCR_COMP.SW_size
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#define sw_cxf SWCR_UN.SWCR_COMP.SW_cxf
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SLIST_ENTRY(swcr_data) sw_next;
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};
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SLIST_HEAD(swcr_list, swcr_data);
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#ifdef _KERNEL
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extern const u_int8_t hmac_ipad_buffer[HMAC_MAX_BLOCK_LEN];
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extern const u_int8_t hmac_opad_buffer[HMAC_MAX_BLOCK_LEN];
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int swcr_encdec(struct cryptodesc *, struct swcr_data *, caddr_t, int);
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int swcr_authcompute(struct cryptop *, struct cryptodesc *, struct swcr_data *,
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caddr_t, int);
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int swcr_authenc(struct cryptop *);
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int swcr_compdec(struct cryptodesc *, struct swcr_data *, caddr_t, int);
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int swcr_process(struct cryptop *);
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int swcr_newsession(u_int32_t *, struct cryptoini *);
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int swcr_freesession(u_int64_t);
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void swcr_init(void);
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#endif /* _KERNEL */
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#endif /* _CRYPTO_CRYPTO_H_ */
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