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- /*
- * @(#)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
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