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1 /*
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2 * Copyright 2006-2016 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_CAMELLIA_H
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11 # define HEADER_CAMELLIA_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_CAMELLIA
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16 # include <stddef.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 CAMELLIA_ENCRYPT 1
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22 # define CAMELLIA_DECRYPT 0
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23
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24 /*
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25 * Because array size can't be a const in C, the following two are macros.
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26 * Both sizes are in bytes.
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27 */
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28
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29 /* This should be a hidden type, but EVP requires that the size be known */
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30
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31 # define CAMELLIA_BLOCK_SIZE 16
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32 # define CAMELLIA_TABLE_BYTE_LEN 272
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33 # define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
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34
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35 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match
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36 * with WORD */
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37
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38 struct camellia_key_st {
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39 union {
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40 double d; /* ensures 64-bit align */
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41 KEY_TABLE_TYPE rd_key;
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42 } u;
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43 int grand_rounds;
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44 };
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45 typedef struct camellia_key_st CAMELLIA_KEY;
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46
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47 int Camellia_set_key(const unsigned char *userKey, const int bits,
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48 CAMELLIA_KEY *key);
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49
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50 void Camellia_encrypt(const unsigned char *in, unsigned char *out,
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51 const CAMELLIA_KEY *key);
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52 void Camellia_decrypt(const unsigned char *in, unsigned char *out,
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53 const CAMELLIA_KEY *key);
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54
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55 void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
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56 const CAMELLIA_KEY *key, const int enc);
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57 void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
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58 size_t length, const CAMELLIA_KEY *key,
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59 unsigned char *ivec, const int enc);
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60 void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
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61 size_t length, const CAMELLIA_KEY *key,
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62 unsigned char *ivec, int *num, const int enc);
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63 void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
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64 size_t length, const CAMELLIA_KEY *key,
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65 unsigned char *ivec, int *num, const int enc);
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66 void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
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67 size_t length, const CAMELLIA_KEY *key,
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68 unsigned char *ivec, int *num, const int enc);
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69 void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
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70 size_t length, const CAMELLIA_KEY *key,
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71 unsigned char *ivec, int *num);
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72 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
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73 size_t length, const CAMELLIA_KEY *key,
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74 unsigned char ivec[CAMELLIA_BLOCK_SIZE],
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75 unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
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76 unsigned int *num);
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77
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78 # ifdef __cplusplus
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79 }
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80 # endif
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81 # endif
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82
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83 #endif
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