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106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
/*
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* @(#)des_crypt.h 2.1 88/08/11 4.0 RPCSRC; from 1.4 88/02/08 (C) 1986 SMI
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* $FreeBSD$
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*
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* des_crypt.h, des library routine interface
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* Copyright (C) 1986, Sun Microsystems, Inc.
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*/
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/*-
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1986 - 1991 by Sun Microsystems, Inc.
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*/
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/*
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* des_crypt.h, des library routine interface
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*/
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#ifndef _DES_DES_CRYPT_H
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#define _DES_DES_CRYPT_H
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#include <sys/cdefs.h>
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#include <rpc/rpc.h>
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#define DES_MAXDATA 8192 /* max bytes encrypted in one call */
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#define DES_DIRMASK (1 << 0)
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#define DES_ENCRYPT (0*DES_DIRMASK) /* Encrypt */
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#define DES_DECRYPT (1*DES_DIRMASK) /* Decrypt */
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#define DES_DEVMASK (1 << 1)
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#define DES_HW (0*DES_DEVMASK) /* Use hardware device */
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#define DES_SW (1*DES_DEVMASK) /* Use software device */
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#define DESERR_NONE 0 /* succeeded */
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#define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */
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#define DESERR_HWERROR 2 /* failed, hardware/driver error */
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#define DESERR_BADPARAM 3 /* failed, bad parameter to call */
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#define DES_FAILED(err) \
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((err) > DESERR_NOHWDEVICE)
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/*
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* cbc_crypt()
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* ecb_crypt()
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*
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* Encrypt (or decrypt) len bytes of a buffer buf.
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* The length must be a multiple of eight.
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* The key should have odd parity in the low bit of each byte.
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* ivec is the input vector, and is updated to the new one (cbc only).
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* The mode is created by oring together the appropriate parameters.
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* DESERR_NOHWDEVICE is returned if DES_HW was specified but
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* there was no hardware to do it on (the data will still be
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* encrypted though, in software).
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*/
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/*
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* Cipher Block Chaining mode
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*/
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__BEGIN_DECLS
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int cbc_crypt( char *, char *, unsigned int, unsigned int, char *);
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__END_DECLS
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/*
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* Electronic Code Book mode
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*/
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__BEGIN_DECLS
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int ecb_crypt( char *, char *, unsigned int, unsigned int );
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__END_DECLS
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/*
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* Set des parity for a key.
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* DES parity is odd and in the low bit of each byte
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*/
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__BEGIN_DECLS
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void des_setparity( char *);
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__END_DECLS
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#endif /* _DES_DES_CRYPT_H */
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