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drasko |
/*
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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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*
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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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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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#ifndef __DES_CRYPT_H__
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#define __DES_CRYPT_H__ 1
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#include <features.h>
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__BEGIN_DECLS
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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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extern int cbc_crypt (char *__key, char *__buf, unsigned __len,
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unsigned __mode, char *__ivec) __THROW;
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/*
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* Electronic Code Book mode
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*/
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extern int ecb_crypt (char *__key, char *__buf, unsigned __len,
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unsigned __mode) __THROW;
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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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extern void des_setparity (char *__key) __THROW;
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__END_DECLS
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#endif
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