projects / apple / xnu.git / blame
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|---|---|---|
| 1c79356b A |
1 | /* crypto/bf/blowfish.h */ |
| 2 | /* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au) | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This package is an SSL implementation written | |
| 6 | * by Eric Young (eay@mincom.oz.au). | |
| 7 | * The implementation was written so as to conform with Netscapes SSL. | |
| 8 | * | |
| 9 | * This library is free for commercial and non-commercial use as long as | |
| 10 | * the following conditions are aheared to. The following conditions | |
| 11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 | * included with this distribution is covered by the same copyright terms | |
| 14 | * except that the holder is Tim Hudson (tjh@mincom.oz.au). | |
| 15 | * | |
| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 | * the code are not to be removed. | |
| 18 | * If this package is used in a product, Eric Young should be given attribution | |
| 19 | * as the author of the parts of the library used. | |
| 20 | * This can be in the form of a textual message at program startup or | |
| 21 | * in documentation (online or textual) provided with the package. | |
| 22 | * | |
| 23 | * Redistribution and use in source and binary forms, with or without | |
| 24 | * modification, are permitted provided that the following conditions | |
| 25 | * are met: | |
| 26 | * 1. Redistributions of source code must retain the copyright | |
| 27 | * notice, this list of conditions and the following disclaimer. | |
| 28 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 | * notice, this list of conditions and the following disclaimer in the | |
| 30 | * documentation and/or other materials provided with the distribution. | |
| 31 | * 3. All advertising materials mentioning features or use of this software | |
| 32 | * must display the following acknowledgement: | |
| 33 | * "This product includes cryptographic software written by | |
| 34 | * Eric Young (eay@mincom.oz.au)" | |
| 35 | * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 | * being used are not cryptographic related :-). | |
| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 | * the apps directory (application code) you must include an acknowledgement: | |
| 39 | * "This product includes software written by Tim Hudson (tjh@mincom.oz.au)" | |
| 40 | * | |
| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 | * SUCH DAMAGE. | |
| 52 | * | |
| 53 | * The licence and distribution terms for any publically available version or | |
| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 | * copied and put under another distribution licence | |
| 56 | * [including the GNU Public Licence.] | |
| 57 | */ | |
| 58 | ||
| 59 | #ifndef HEADER_BLOWFISH_H | |
| 60 | #define HEADER_BLOWFISH_H | |
| 61 | ||
| 62 | #ifdef __cplusplus | |
| 63 | extern "C" { | |
| 64 | #endif | |
| 65 | ||
| 66 | #define BF_ENCRYPT 1 | |
| 67 | #define BF_DECRYPT 0 | |
| 68 | ||
| 69 | /* If you make this 'unsigned int' the pointer variants will work on | |
| 70 | * the Alpha, otherwise they will not. Strangly using the '8 byte' | |
| 71 | * BF_LONG and the default 'non-pointer' inner loop is the best configuration | |
| 72 | * for the Alpha */ | |
| 73 | #define BF_LONG unsigned long | |
| 74 | ||
| 75 | #define BF_ROUNDS 16 | |
| 76 | #define BF_BLOCK 8 | |
| 77 | ||
| 78 | typedef struct bf_key_st | |
| 79 | { | |
| 80 | BF_LONG P[BF_ROUNDS+2]; | |
| 81 | BF_LONG S[4*256]; | |
| 82 | } BF_KEY; | |
| 83 | ||
| 84 | #ifndef NOPROTO | |
| 85 | ||
| 86 | void BF_set_key(BF_KEY *key, int len, unsigned char *data); | |
| 87 | void BF_ecb_encrypt(unsigned char *in,unsigned char *out,BF_KEY *key, | |
| 88 | int encrypt); | |
| 89 | void BF_encrypt(BF_LONG *data,BF_KEY *key,int encrypt); | |
| 90 | void BF_cbc_encrypt(unsigned char *in, unsigned char *out, long length, | |
| 91 | BF_KEY *ks, unsigned char *iv, int encrypt); | |
| 92 | void BF_cfb64_encrypt(unsigned char *in, unsigned char *out, long length, | |
| 93 | BF_KEY *schedule, unsigned char *ivec, int *num, int encrypt); | |
| 94 | void BF_ofb64_encrypt(unsigned char *in, unsigned char *out, long length, | |
| 95 | BF_KEY *schedule, unsigned char *ivec, int *num); | |
| 96 | char *BF_options(void); | |
| 97 | ||
| 98 | /* added by itojun */ | |
| 99 | struct mbuf; | |
| 100 | void BF_cbc_encrypt_m(struct mbuf *, int, int, BF_KEY *, | |
| 101 | unsigned char *, int); | |
| 102 | ||
| 103 | #else | |
| 104 | ||
| 105 | void BF_set_key(); | |
| 106 | void BF_ecb_encrypt(); | |
| 107 | void BF_encrypt(); | |
| 108 | void BF_cbc_encrypt(); | |
| 109 | void BF_cfb64_encrypt(); | |
| 110 | void BF_ofb64_encrypt(); | |
| 111 | char *BF_options(); | |
| 112 | ||
| 113 | /* added by itojun */ | |
| 114 | void BF_cbc_encrypt_m(); | |
| 115 | ||
| 116 | #endif | |
| 117 | ||
| 118 | #ifdef __cplusplus | |
| 119 | } | |
| 120 | #endif | |
| 121 | ||
| 122 | #endif |