| /* |
| * @(#)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 |
