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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