1 | /* sha512.h
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2 | *
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3 | * Copyright (C) 2006-2015 wolfSSL Inc.
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4 | *
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5 | * This file is part of wolfSSL. (formerly known as CyaSSL)
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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 02110-1301, USA
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20 | */
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21 |
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22 | #ifndef WOLF_CRYPT_SHA512_H
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23 | #define WOLF_CRYPT_SHA512_H
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24 |
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25 | #include <wolfssl/wolfcrypt/types.h>
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26 |
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27 | #ifdef WOLFSSL_SHA512
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28 |
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29 | /* for fips @wc_fips */
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30 | #ifdef HAVE_FIPS
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31 | #define CYASSL_SHA512
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32 | #if defined(WOLFSSL_SHA384)
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33 | #define CYASSL_SHA384
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34 | #endif
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35 | #include <cyassl/ctaocrypt/sha512.h>
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36 | #endif
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37 |
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38 | #ifdef __cplusplus
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39 | extern "C" {
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40 | #endif
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41 |
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42 | #ifndef HAVE_FIPS /* avoid redefinition of structs */
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43 |
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44 | /* in bytes */
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45 | enum {
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46 | SHA512 = 4, /* hash type unique */
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47 | SHA512_BLOCK_SIZE = 128,
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48 | SHA512_DIGEST_SIZE = 64,
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49 | SHA512_PAD_SIZE = 112
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50 | };
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51 |
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52 |
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53 | /* Sha512 digest */
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54 | typedef struct Sha512 {
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55 | word32 buffLen; /* in bytes */
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56 | word32 loLen; /* length in bytes */
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57 | word32 hiLen; /* length in bytes */
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58 | word64 digest[SHA512_DIGEST_SIZE / sizeof(word64)];
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59 | word64 buffer[SHA512_BLOCK_SIZE / sizeof(word64)];
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60 | } Sha512;
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61 |
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62 | #endif /* HAVE_FIPS */
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63 |
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64 | WOLFSSL_API int wc_InitSha512(Sha512*);
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65 | WOLFSSL_API int wc_Sha512Update(Sha512*, const byte*, word32);
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66 | WOLFSSL_API int wc_Sha512Final(Sha512*, byte*);
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67 |
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68 | #if defined(WOLFSSL_SHA384)
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69 |
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70 | #ifndef HAVE_FIPS /* avoid redefinition of structs */
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71 | /* in bytes */
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72 | enum {
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73 | SHA384 = 5, /* hash type unique */
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74 | SHA384_BLOCK_SIZE = 128,
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75 | SHA384_DIGEST_SIZE = 48,
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76 | SHA384_PAD_SIZE = 112
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77 | };
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78 |
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79 |
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80 | /* Sha384 digest */
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81 | typedef struct Sha384 {
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82 | word32 buffLen; /* in bytes */
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83 | word32 loLen; /* length in bytes */
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84 | word32 hiLen; /* length in bytes */
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85 | word64 digest[SHA512_DIGEST_SIZE / sizeof(word64)]; /* for transform 512 */
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86 | word64 buffer[SHA384_BLOCK_SIZE / sizeof(word64)];
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87 | } Sha384;
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88 | #endif /* HAVE_FIPS */
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89 |
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90 | WOLFSSL_API int wc_InitSha384(Sha384*);
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91 | WOLFSSL_API int wc_Sha384Update(Sha384*, const byte*, word32);
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92 | WOLFSSL_API int wc_Sha384Final(Sha384*, byte*);
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93 |
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94 | #endif /* WOLFSSL_SHA384 */
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95 |
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96 | #ifdef __cplusplus
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97 | } /* extern "C" */
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98 | #endif
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99 |
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100 | #endif /* WOLFSSL_SHA512 */
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101 | #endif /* WOLF_CRYPT_SHA512_H */
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102 |
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