| | 1 | /* |
| | 2 | * heavily modified by Tomomi Suzuki <suzuki@grelot.elec.ryukoku.ac.jp> |
| | 3 | */ |
| | 4 | /* |
| | 5 | * The CAST-128 Encryption Algorithm (RFC 2144) |
| | 6 | * |
| | 7 | * original implementation <Hideo "Sir MaNMOS" Morisita> |
| | 8 | * 1997/08/21 |
| | 9 | */ |
| | 10 | /* |
| | 11 | * Copyright (C) 1997 Hideo "Sir MANMOS" Morishita |
| | 12 | * All rights reserved. |
| | 13 | * |
| | 14 | * Redistribution and use in source and binary forms, with or without |
| | 15 | * modification, are permitted provided that the following conditions |
| | 16 | * are met: |
| | 17 | * 1. Redistributions of source code must retain the above copyright |
| | 18 | * notice, this list of conditions and the following disclaimer. |
| | 19 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 20 | * notice, this list of conditions and the following disclaimer in the |
| | 21 | * documentation and/or other materials provided with the distribution. |
| | 22 | * |
| | 23 | * THIS SOFTWARE IS PROVIDED BY Hideo "Sir MaNMOS" Morishita ``AS IS'' AND |
| | 24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 26 | * ARE DISCLAIMED. IN NO EVENT SHALL Hideo "Sir MaNMOS" Morishita BE LIABLE |
| | 27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 30 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 32 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 33 | * SUCH DAMAGE. |
| | 34 | */ |
| | 35 | |
| | 36 | #ifndef RFC2144_CAST_128_H |
| | 37 | #define RFC2144_CAST_128_H |
| | 38 | |
| | 39 | #include <sys/param.h> |
| | 40 | #include <sys/mbuf.h> |
| | 41 | |
| | 42 | |
| | 43 | #define CAST128_ENCRYPT 1 |
| | 44 | #define CAST128_DECRYPT 0 |
| | 45 | |
| | 46 | |
| | 47 | extern void set_cast128_subkey __P((u_int32_t *, u_int8_t *)); |
| | 48 | extern void cast128_encrypt_round16 __P((u_int8_t *, const u_int8_t *, |
| | 49 | u_int32_t *)); |
| | 50 | extern void cast128_decrypt_round16 __P((u_int8_t *, const u_int8_t *, |
| | 51 | u_int32_t *)); |
| | 52 | extern void cast128_encrypt_round12 __P((u_int8_t *, const u_int8_t *, |
| | 53 | u_int32_t *)); |
| | 54 | extern void cast128_decrypt_round12 __P((u_int8_t *, const u_int8_t *, |
| | 55 | u_int32_t *)); |
| | 56 | extern void cast128_cbc_process __P((struct mbuf *, size_t, size_t, |
| | 57 | u_int32_t *, u_int8_t *, size_t, int)); |
| | 58 | |
| | 59 | #endif |
| | 60 | |
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