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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_RC2_H
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11 # define HEADER_RC2_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_RC2
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16 # ifdef __cplusplus
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17 extern "C" {
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18 # endif
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19
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20 typedef unsigned int RC2_INT;
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21
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22 # define RC2_ENCRYPT 1
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23 # define RC2_DECRYPT 0
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24
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25 # define RC2_BLOCK 8
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26 # define RC2_KEY_LENGTH 16
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27
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28 typedef struct rc2_key_st {
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29 RC2_INT data[64];
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30 } RC2_KEY;
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31
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32 void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits);
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33 void RC2_ecb_encrypt(const unsigned char *in, unsigned char *out,
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34 RC2_KEY *key, int enc);
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35 void RC2_encrypt(unsigned long *data, RC2_KEY *key);
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36 void RC2_decrypt(unsigned long *data, RC2_KEY *key);
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37 void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
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38 RC2_KEY *ks, unsigned char *iv, int enc);
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39 void RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out,
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40 long length, RC2_KEY *schedule, unsigned char *ivec,
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41 int *num, int enc);
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42 void RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out,
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43 long length, RC2_KEY *schedule, unsigned char *ivec,
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44 int *num);
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45
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46 # ifdef __cplusplus
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47 }
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48 # endif
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49 # endif
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50
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51 #endif
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