1 | /*
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2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the OpenSSL license (the "License"). You may not use
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5 | * this file except in compliance with the License. You can obtain a copy
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6 | * in the file LICENSE in the source distribution or at
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7 | * https://www.openssl.org/source/license.html
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8 | */
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9 |
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10 | #ifndef HEADER_BLOWFISH_H
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11 | # define HEADER_BLOWFISH_H
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12 |
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13 | # include <openssl/opensslconf.h>
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14 |
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15 | # ifndef OPENSSL_NO_BF
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16 | # include <openssl/e_os2.h>
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17 | # ifdef __cplusplus
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18 | extern "C" {
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19 | # endif
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20 |
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21 | # define BF_ENCRYPT 1
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22 | # define BF_DECRYPT 0
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23 |
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24 | /*-
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25 | * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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26 | * ! BF_LONG has to be at least 32 bits wide. !
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27 | * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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28 | */
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29 | # define BF_LONG unsigned int
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30 |
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31 | # define BF_ROUNDS 16
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32 | # define BF_BLOCK 8
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33 |
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34 | typedef struct bf_key_st {
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35 | BF_LONG P[BF_ROUNDS + 2];
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36 | BF_LONG S[4 * 256];
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37 | } BF_KEY;
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38 |
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39 | void BF_set_key(BF_KEY *key, int len, const unsigned char *data);
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40 |
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41 | void BF_encrypt(BF_LONG *data, const BF_KEY *key);
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42 | void BF_decrypt(BF_LONG *data, const BF_KEY *key);
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43 |
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44 | void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
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45 | const BF_KEY *key, int enc);
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46 | void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
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47 | const BF_KEY *schedule, unsigned char *ivec, int enc);
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48 | void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out,
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49 | long length, const BF_KEY *schedule,
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50 | unsigned char *ivec, int *num, int enc);
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51 | void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out,
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52 | long length, const BF_KEY *schedule,
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53 | unsigned char *ivec, int *num);
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54 | const char *BF_options(void);
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55 |
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56 | # ifdef __cplusplus
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57 | }
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58 | # endif
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59 | # endif
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60 |
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61 | #endif
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