mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-24 11:41:07 +00:00
97 lines
3.3 KiB
C
97 lines
3.3 KiB
C
/*
|
|
* @(#)des_crypt.h 2.1 88/08/11 4.0 RPCSRC
|
|
*
|
|
* des_crypt.h, des library routine interface
|
|
* Copyright (c) 2010, Oracle America, Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
* * Neither the name of the "Oracle America, Inc." nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __DES_CRYPT_H__
|
|
#define __DES_CRYPT_H__ 1
|
|
|
|
#include <features.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
#define DES_MAXDATA 8192 /* max bytes encrypted in one call */
|
|
#define DES_DIRMASK (1 << 0)
|
|
#define DES_ENCRYPT (0*DES_DIRMASK) /* Encrypt */
|
|
#define DES_DECRYPT (1*DES_DIRMASK) /* Decrypt */
|
|
|
|
|
|
#define DES_DEVMASK (1 << 1)
|
|
#define DES_HW (0*DES_DEVMASK) /* Use hardware device */
|
|
#define DES_SW (1*DES_DEVMASK) /* Use software device */
|
|
|
|
|
|
#define DESERR_NONE 0 /* succeeded */
|
|
#define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */
|
|
#define DESERR_HWERROR 2 /* failed, hardware/driver error */
|
|
#define DESERR_BADPARAM 3 /* failed, bad parameter to call */
|
|
|
|
#define DES_FAILED(err) \
|
|
((err) > DESERR_NOHWDEVICE)
|
|
|
|
/*
|
|
* cbc_crypt()
|
|
* ecb_crypt()
|
|
*
|
|
* Encrypt (or decrypt) len bytes of a buffer buf.
|
|
* The length must be a multiple of eight.
|
|
* The key should have odd parity in the low bit of each byte.
|
|
* ivec is the input vector, and is updated to the new one (cbc only).
|
|
* The mode is created by oring together the appropriate parameters.
|
|
* DESERR_NOHWDEVICE is returned if DES_HW was specified but
|
|
* there was no hardware to do it on (the data will still be
|
|
* encrypted though, in software).
|
|
*/
|
|
|
|
|
|
/*
|
|
* Cipher Block Chaining mode
|
|
*/
|
|
extern int cbc_crypt (char *__key, char *__buf, unsigned __len,
|
|
unsigned __mode, char *__ivec) __THROW;
|
|
|
|
/*
|
|
* Electronic Code Book mode
|
|
*/
|
|
extern int ecb_crypt (char *__key, char *__buf, unsigned __len,
|
|
unsigned __mode) __THROW;
|
|
|
|
/*
|
|
* Set des parity for a key.
|
|
* DES parity is odd and in the low bit of each byte
|
|
*/
|
|
extern void des_setparity (char *__key) __THROW;
|
|
|
|
__END_DECLS
|
|
|
|
#endif
|