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[/] [or1k/] [trunk/] [linux/] [uClibc/] [include/] [rpc/] [des_crypt.h] - Blame information for rev 1765

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1 1325 phoenix
/*
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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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