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1 /*
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2 * Copyright 2007-2016 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 /*
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11 * Copyright (c) 2007 KISA(Korea Information Security Agency). All rights reserved.
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12 *
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13 * Redistribution and use in source and binary forms, with or without
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14 * modification, are permitted provided that the following conditions
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15 * are met:
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16 * 1. Redistributions of source code must retain the above copyright
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17 * notice, this list of conditions and the following disclaimer.
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18 * 2. Neither the name of author nor the names of its contributors may
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19 * be used to endorse or promote products derived from this software
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20 * without specific prior written permission.
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21 *
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22 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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25 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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32 * SUCH DAMAGE.
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33 */
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34
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35 #ifndef HEADER_SEED_H
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36 # define HEADER_SEED_H
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37
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38 # include <openssl/opensslconf.h>
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39
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40 # ifndef OPENSSL_NO_SEED
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41 # include <openssl/e_os2.h>
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42 # include <openssl/crypto.h>
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43
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44 #ifdef __cplusplus
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45 extern "C" {
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46 #endif
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47
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48 /* look whether we need 'long' to get 32 bits */
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49 # ifdef AES_LONG
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50 # ifndef SEED_LONG
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51 # define SEED_LONG 1
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52 # endif
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53 # endif
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54
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55 # include <sys/types.h>
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56
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57 # define SEED_BLOCK_SIZE 16
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58 # define SEED_KEY_LENGTH 16
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59
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60 typedef struct seed_key_st {
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61 # ifdef SEED_LONG
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62 unsigned long data[32];
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63 # else
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64 unsigned int data[32];
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65 # endif
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66 } SEED_KEY_SCHEDULE;
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67
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68 void SEED_set_key(const unsigned char rawkey[SEED_KEY_LENGTH],
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69 SEED_KEY_SCHEDULE *ks);
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70
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71 void SEED_encrypt(const unsigned char s[SEED_BLOCK_SIZE],
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72 unsigned char d[SEED_BLOCK_SIZE],
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73 const SEED_KEY_SCHEDULE *ks);
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74 void SEED_decrypt(const unsigned char s[SEED_BLOCK_SIZE],
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75 unsigned char d[SEED_BLOCK_SIZE],
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76 const SEED_KEY_SCHEDULE *ks);
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77
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78 void SEED_ecb_encrypt(const unsigned char *in, unsigned char *out,
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79 const SEED_KEY_SCHEDULE *ks, int enc);
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80 void SEED_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t len,
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81 const SEED_KEY_SCHEDULE *ks,
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82 unsigned char ivec[SEED_BLOCK_SIZE], int enc);
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83 void SEED_cfb128_encrypt(const unsigned char *in, unsigned char *out,
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84 size_t len, const SEED_KEY_SCHEDULE *ks,
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85 unsigned char ivec[SEED_BLOCK_SIZE], int *num,
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86 int enc);
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87 void SEED_ofb128_encrypt(const unsigned char *in, unsigned char *out,
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88 size_t len, const SEED_KEY_SCHEDULE *ks,
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89 unsigned char ivec[SEED_BLOCK_SIZE], int *num);
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90
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91 # ifdef __cplusplus
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92 }
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93 # endif
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94 # endif
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95
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96 #endif
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