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01: /* 02: * Generic DES driver interface 03: * Keep this file hardware independent! 04: * Copyright (c) 2010, Oracle America, Inc. 05: * 06: * Redistribution and use in source and binary forms, with or without 07: * modification, are permitted provided that the following conditions are 08: * met: 09: * 10: * * Redistributions of source code must retain the above copyright 11: * notice, this list of conditions and the following disclaimer. 12: * * Redistributions in binary form must reproduce the above 13: * copyright notice, this list of conditions and the following 14: * disclaimer in the documentation and/or other materials 15: * provided with the distribution. 16: * * Neither the name of the "Oracle America, Inc." nor the names of its 17: * contributors may be used to endorse or promote products derived 18: * from this software without specific prior written permission. 19: * 20: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23: * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24: * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 25: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 27: * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 30: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32: */ 33: 34: #ifndef _DES_H 35: #define _DES_H 36: 37: #include <sys/types.h> 38: 39: #define DES_MAXLEN 65536 /* maximum # of bytes to encrypt */ 40: #define DES_QUICKLEN 16 /* maximum # of bytes to encrypt quickly */ 41: 42: enum desdir 43: { 44: ENCRYPT, DECRYPT 45: }; 46: enum desmode 47: { 48: CBC, ECB 49: }; 50: 51: /* 52: * parameters to ioctl call 53: */ 54: struct desparams 55: { 56: u_char des_key[8]; /* key (with low bit parity) */ 57: enum desdir des_dir; /* direction */ 58: enum desmode des_mode; /* mode */ 59: u_char des_ivec[8]; /* input vector */ 60: unsigned des_len; /* number of bytes to crypt */ 61: union 62: { 63: u_char UDES_data[DES_QUICKLEN]; 64: u_char *UDES_buf; 65: } 66: UDES; 67: #define des_data UDES.UDES_data /* direct data here if quick */ 68: #define des_buf UDES.UDES_buf /* otherwise, pointer to data */ 69: }; 70: 71: #endif 72: