/* $OpenBSD: acss.h,v 1.4 2005/04/25 13:20:52 miod Exp $ */ /* * Copyright (c) 2004 The OpenBSD project * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _ACSS_H_ #define _ACSS_H_ #ifdef OPENSSL_NO_ACSS #error acss is disabled. #endif /* 40bit key */ #define ACSS_KEYSIZE 5 /* modes of acss */ #define ACSS_MODE0 0 #define ACSS_MODE1 1 #define ACSS_MODE2 2 #define ACSS_MODE3 3 typedef struct acss_key_st { unsigned int lfsr17; /* current state of lfsrs */ unsigned int lfsr25; unsigned int lfsrsum; unsigned char seed[ACSS_KEYSIZE]; unsigned char data[ACSS_KEYSIZE]; int encrypt; int mode; } ACSS_KEY; void acss_setkey(ACSS_KEY *, const unsigned char *, int, int); void acss(ACSS_KEY *, unsigned long, const unsigned char *, unsigned char *); #endif /* ifndef _ACSS_H_ */