| 1 | /* |
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| 2 | * Generic DES driver interface |
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| 3 | * Keep this file hardware independent! |
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| 4 | * Copyright (c) 2010, Oracle America, Inc. |
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| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions are |
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| 8 | * met: |
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| 9 | * |
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| 10 | * * Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * * Redistributions in binary form must reproduce the above |
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| 13 | * copyright notice, this list of conditions and the following |
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| 14 | * disclaimer in the documentation and/or other materials |
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| 15 | * provided with the distribution. |
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| 16 | * * Neither the name of the "Oracle America, Inc." nor the names of its |
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| 17 | * contributors may be used to endorse or promote products derived |
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| 18 | * from this software without specific prior written permission. |
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| 19 | * |
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| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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| 23 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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| 24 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
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| 25 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
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| 27 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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| 29 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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| 30 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | #ifndef _DES_H |
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| 35 | #define _DES_H |
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| 36 | |
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| 37 | #include <sys/types.h> |
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| 38 | |
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| 39 | #define DES_MAXLEN 65536 /* maximum # of bytes to encrypt */ |
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| 40 | #define DES_QUICKLEN 16 /* maximum # of bytes to encrypt quickly */ |
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| 41 | |
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| 42 | enum desdir |
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| 43 | { |
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| 44 | ENCRYPT, DECRYPT |
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| 45 | }; |
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| 46 | enum desmode |
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| 47 | { |
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| 48 | CBC, ECB |
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| 49 | }; |
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| 50 | |
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| 51 | /* |
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| 52 | * parameters to ioctl call |
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| 53 | */ |
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| 54 | struct desparams |
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| 55 | { |
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| 56 | unsigned char des_key[8]; /* key (with low bit parity) */ |
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| 57 | enum desdir des_dir; /* direction */ |
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| 58 | enum desmode des_mode; /* mode */ |
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| 59 | unsigned char des_ivec[8]; /* input vector */ |
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| 60 | unsigned des_len; /* number of bytes to crypt */ |
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| 61 | union |
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| 62 | { |
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| 63 | unsigned char UDES_data[DES_QUICKLEN]; |
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| 64 | unsigned char *UDES_buf; |
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| 65 | } |
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| 66 | UDES; |
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| 67 | #define des_data UDES.UDES_data /* direct data here if quick */ |
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| 68 | #define des_buf UDES.UDES_buf /* otherwise, pointer to data */ |
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| 69 | }; |
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| 70 | |
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| 71 | #endif |
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| 72 | |
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