1 | /* hmac.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 |
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24 | /* hmac.h defines mini hamc openssl compatibility layer
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25 | *
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26 | */
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27 |
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28 |
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29 | #ifndef WOLFSSL_HMAC_H_
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30 | #define WOLFSSL_HMAC_H_
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31 |
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32 | #include <wolfssl/wolfcrypt/settings.h>
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33 |
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34 | #ifdef WOLFSSL_PREFIX
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35 | #include "prefix_hmac.h"
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36 | #endif
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37 |
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38 | #include <wolfssl/openssl/evp.h>
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39 | #include <wolfssl/openssl/opensslv.h>
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40 | #include <wolfssl/wolfcrypt/hmac.h>
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41 |
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42 | #ifdef __cplusplus
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43 | extern "C" {
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44 | #endif
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45 |
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46 |
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47 | WOLFSSL_API unsigned char* wolfSSL_HMAC(const WOLFSSL_EVP_MD* evp_md,
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48 | const void* key, int key_len,
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49 | const unsigned char* d, int n, unsigned char* md,
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50 | unsigned int* md_len);
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51 |
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52 |
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53 | typedef struct WOLFSSL_HMAC_CTX {
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54 | Hmac hmac;
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55 | int type;
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56 | word32 save_ipad[WC_HMAC_BLOCK_SIZE / sizeof(word32)]; /* same block size all*/
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57 | word32 save_opad[WC_HMAC_BLOCK_SIZE / sizeof(word32)];
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58 | } WOLFSSL_HMAC_CTX;
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59 |
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60 |
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61 | WOLFSSL_API int wolfSSL_HMAC_CTX_Init(WOLFSSL_HMAC_CTX* ctx);
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62 | WOLFSSL_API int wolfSSL_HMAC_CTX_copy(WOLFSSL_HMAC_CTX* des,
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63 | WOLFSSL_HMAC_CTX* src);
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64 | WOLFSSL_LOCAL int wolfSSL_HmacCopy(Hmac* des, Hmac* src);
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65 | WOLFSSL_API int wolfSSL_HMAC_Init(WOLFSSL_HMAC_CTX* ctx, const void* key,
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66 | int keylen, const EVP_MD* type);
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67 | WOLFSSL_API int wolfSSL_HMAC_Init_ex(WOLFSSL_HMAC_CTX* ctx, const void* key,
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68 | int keylen, const EVP_MD* type, WOLFSSL_ENGINE* e);
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69 | WOLFSSL_API int wolfSSL_HMAC_Update(WOLFSSL_HMAC_CTX* ctx,
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70 | const unsigned char* data, int len);
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71 | WOLFSSL_API int wolfSSL_HMAC_Final(WOLFSSL_HMAC_CTX* ctx, unsigned char* hash,
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72 | unsigned int* len);
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73 | WOLFSSL_API int wolfSSL_HMAC_cleanup(WOLFSSL_HMAC_CTX* ctx);
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74 |
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75 | typedef struct WOLFSSL_HMAC_CTX HMAC_CTX;
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76 |
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77 | #define HMAC(a,b,c,d,e,f,g) wolfSSL_HMAC((a),(b),(c),(d),(e),(f),(g))
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78 |
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79 | #define HMAC_CTX_init wolfSSL_HMAC_CTX_Init
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80 | #define HMAC_CTX_copy wolfSSL_HMAC_CTX_copy
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81 | #define HMAC_Init_ex wolfSSL_HMAC_Init_ex
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82 | #define HMAC_Init wolfSSL_HMAC_Init
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83 | #define HMAC_Update wolfSSL_HMAC_Update
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84 | #define HMAC_Final wolfSSL_HMAC_Final
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85 | #define HMAC_cleanup wolfSSL_HMAC_cleanup
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86 |
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87 |
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88 | #ifdef __cplusplus
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89 | } /* extern "C" */
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90 | #endif
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91 |
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92 |
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93 | #endif /* WOLFSSL_HMAC_H_ */
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