IABSD.fr/src/sys/crypto/cryptosoft.h

Branch : - branch - master - tag -

• Show log

  Commit

• Author : bluhm
  Date : 2021-07-09 15:29:55
  Hash : a986bd3b
  Message : Use SLIST macro for cryptosoft sessions instead of hand rolled list. OK mpi@ tobhe@

• sys/crypto/cryptosoft.h

• /*	$OpenBSD: cryptosoft.h,v 1.16 2021/07/09 15:29:55 bluhm 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_
  
  #include <sys/queue.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;
  			const struct auth_hash *SW_axf;
  		} SWCR_AUTH;
  		struct {
  			u_int8_t	 *SW_kschedule;
  			const struct enc_xform *SW_exf;
  		} SWCR_ENC;
  		struct {
  			u_int32_t	 SW_size;
  			const 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
  
  	SLIST_ENTRY(swcr_data)	sw_next;
  };
  SLIST_HEAD(swcr_list, swcr_data);
  
  #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_ */