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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_IDEA_H
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11 # define HEADER_IDEA_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_IDEA
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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 IDEA_INT;
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21
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22 # define IDEA_ENCRYPT 1
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23 # define IDEA_DECRYPT 0
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24
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25 # define IDEA_BLOCK 8
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26 # define IDEA_KEY_LENGTH 16
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27
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28 typedef struct idea_key_st {
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29 IDEA_INT data[9][6];
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30 } IDEA_KEY_SCHEDULE;
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31
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32 const char *IDEA_options(void);
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33 void IDEA_ecb_encrypt(const unsigned char *in, unsigned char *out,
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34 IDEA_KEY_SCHEDULE *ks);
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35 void IDEA_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks);
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36 void IDEA_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk);
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37 void IDEA_cbc_encrypt(const unsigned char *in, unsigned char *out,
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38 long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
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39 int enc);
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40 void IDEA_cfb64_encrypt(const unsigned char *in, unsigned char *out,
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41 long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
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42 int *num, int enc);
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43 void IDEA_ofb64_encrypt(const unsigned char *in, unsigned char *out,
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44 long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
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45 int *num);
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46 void IDEA_encrypt(unsigned long *in, IDEA_KEY_SCHEDULE *ks);
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47
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48 # if OPENSSL_API_COMPAT < 0x10100000L
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49 # define idea_options IDEA_options
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50 # define idea_ecb_encrypt IDEA_ecb_encrypt
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51 # define idea_set_encrypt_key IDEA_set_encrypt_key
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52 # define idea_set_decrypt_key IDEA_set_decrypt_key
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53 # define idea_cbc_encrypt IDEA_cbc_encrypt
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54 # define idea_cfb64_encrypt IDEA_cfb64_encrypt
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55 # define idea_ofb64_encrypt IDEA_ofb64_encrypt
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56 # define idea_encrypt IDEA_encrypt
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57 # endif
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58
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59 # ifdef __cplusplus
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60 }
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61 # endif
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62 # endif
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63
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64 #endif
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