source: UsbWattMeter/trunk/wolfssl-3.7.0/wolfssl/wolfcrypt/sha256.h@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 6 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

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File size: 2.2 KB
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1/* sha256.h
2 *
3 * Copyright (C) 2006-2015 wolfSSL Inc.
4 *
5 * This file is part of wolfSSL. (formerly known as CyaSSL)
6 *
7 * wolfSSL is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * wolfSSL is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22/* code submitted by raphael.huck@efixo.com */
23
24#ifndef WOLF_CRYPT_SHA256_H
25#define WOLF_CRYPT_SHA256_H
26
27#include <wolfssl/wolfcrypt/types.h>
28
29#ifndef NO_SHA256
30
31#ifdef HAVE_FIPS
32 /* for fips @wc_fips */
33 #include <cyassl/ctaocrypt/sha256.h>
34#endif
35
36
37#ifdef __cplusplus
38 extern "C" {
39#endif
40
41#ifndef HAVE_FIPS /* avoid redefinition of structs */
42#ifdef WOLFSSL_PIC32MZ_HASH
43 #include "port/pic32/pic32mz-crypt.h"
44#endif
45
46/* in bytes */
47enum {
48 SHA256 = 2, /* hash type unique */
49 SHA256_BLOCK_SIZE = 64,
50 SHA256_DIGEST_SIZE = 32,
51 SHA256_PAD_SIZE = 56
52};
53
54#ifndef WOLFSSL_TI_HASH
55
56/* Sha256 digest */
57typedef struct Sha256 {
58 word32 buffLen; /* in bytes */
59 word32 loLen; /* length in bytes */
60 word32 hiLen; /* length in bytes */
61 word32 digest[SHA256_DIGEST_SIZE / sizeof(word32)];
62 word32 buffer[SHA256_BLOCK_SIZE / sizeof(word32)];
63 #ifdef WOLFSSL_PIC32MZ_HASH
64 pic32mz_desc desc ; /* Crypt Engine descripter */
65 #endif
66} Sha256;
67
68#else /* WOLFSSL_TI_HASH */
69 #include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
70#endif
71
72#endif /* HAVE_FIPS */
73
74WOLFSSL_API int wc_InitSha256(Sha256*);
75WOLFSSL_API int wc_Sha256Update(Sha256*, const byte*, word32);
76WOLFSSL_API int wc_Sha256Final(Sha256*, byte*);
77
78#ifdef __cplusplus
79 } /* extern "C" */
80#endif
81
82#endif /* NO_SHA256 */
83#endif /* WOLF_CRYPT_SHA256_H */
84
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