1 | /* rabbit.h
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2 | *
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3 | * Copyright (C) 2006-2017 wolfSSL Inc.
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4 | *
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5 | * This file is part of wolfSSL.
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6 | *
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7 | * wolfSSL is free software; you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation; either version 2 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * wolfSSL is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with this program; if not, write to the Free Software
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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20 | */
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21 |
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22 | /*!
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23 | \file wolfssl/wolfcrypt/rabbit.h
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24 | */
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25 |
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26 |
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27 | #ifndef WOLF_CRYPT_RABBIT_H
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28 | #define WOLF_CRYPT_RABBIT_H
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29 |
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30 | #include <wolfssl/wolfcrypt/types.h>
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31 |
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32 | #ifndef NO_RABBIT
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33 |
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34 | #ifdef __cplusplus
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35 | extern "C" {
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36 | #endif
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37 |
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38 |
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39 | enum {
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40 | RABBIT_ENC_TYPE = 5 /* cipher unique type */
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41 | };
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42 |
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43 |
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44 | /* Rabbit Context */
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45 | typedef struct RabbitCtx {
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46 | word32 x[8];
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47 | word32 c[8];
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48 | word32 carry;
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49 | } RabbitCtx;
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50 |
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51 |
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52 | /* Rabbit stream cipher */
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53 | typedef struct Rabbit {
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54 | RabbitCtx masterCtx;
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55 | RabbitCtx workCtx;
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56 | #ifdef XSTREAM_ALIGN
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57 | void* heap; /* heap hint, currently XMALLOC only used with aligning */
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58 | #endif
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59 | } Rabbit;
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60 |
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61 |
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62 | WOLFSSL_API int wc_RabbitProcess(Rabbit*, byte*, const byte*, word32);
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63 | WOLFSSL_API int wc_RabbitSetKey(Rabbit*, const byte* key, const byte* iv);
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64 |
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65 | WOLFSSL_LOCAL int wc_Rabbit_SetHeap(Rabbit* ctx, void* heap);
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66 |
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67 | #ifdef __cplusplus
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68 | } /* extern "C" */
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69 | #endif
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70 |
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71 | #endif /* NO_RABBIT */
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72 | #endif /* WOLF_CRYPT_RABBIT_H */
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73 |
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