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72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
8 years ago
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/*
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* Generic DES driver interface
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* Keep this file hardware independent!
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* Copyright (c) 2010, Oracle America, Inc.
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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
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* * Neither the name of the "Oracle America, 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
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DES_H
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#define _DES_H
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#include <sys/types.h>
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#define DES_MAXLEN 65536 /* maximum # of bytes to encrypt */
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#define DES_QUICKLEN 16 /* maximum # of bytes to encrypt quickly */
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enum desdir
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{
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ENCRYPT, DECRYPT
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};
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enum desmode
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{
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CBC, ECB
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};
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/*
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* parameters to ioctl call
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*/
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struct desparams
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{
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u_char des_key[8]; /* key (with low bit parity) */
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enum desdir des_dir; /* direction */
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enum desmode des_mode; /* mode */
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u_char des_ivec[8]; /* input vector */
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unsigned des_len; /* number of bytes to crypt */
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union
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{
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u_char UDES_data[DES_QUICKLEN];
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u_char *UDES_buf;
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}
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UDES;
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#define des_data UDES.UDES_data /* direct data here if quick */
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#define des_buf UDES.UDES_buf /* otherwise, pointer to data */
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};
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#endif
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