3 * Copyright (C) 2006-2014 wolfSSL Inc.
5 * This file is part of CyaSSL.
7 * CyaSSL 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.
12 * CyaSSL 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.
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
23 /* code submitted by raphael.huck@efixo.com */
28 #ifndef CTAO_CRYPT_SHA256_H
29 #define CTAO_CRYPT_SHA256_H
31 #include <cyassl/ctaocrypt/types.h>
37 #ifdef CYASSL_PIC32MZ_HASH
38 #include "port/pic32/pic32mz-crypt.h"
44 SHA256 = 2, /* hash type unique */
45 SHA256_BLOCK_SIZE = 64,
46 SHA256_DIGEST_SIZE = 32,
52 typedef struct Sha256 {
53 word32 buffLen; /* in bytes */
54 word32 loLen; /* length in bytes */
55 word32 hiLen; /* length in bytes */
56 word32 digest[SHA256_DIGEST_SIZE / sizeof(word32)];
57 word32 buffer[SHA256_BLOCK_SIZE / sizeof(word32)];
58 #ifdef CYASSL_PIC32MZ_HASH
59 pic32mz_desc desc ; /* Crypt Engine descripter */
64 CYASSL_API int InitSha256(Sha256*);
65 CYASSL_API int Sha256Update(Sha256*, const byte*, word32);
66 CYASSL_API int Sha256Final(Sha256*, byte*);
67 CYASSL_API int Sha256Hash(const byte*, word32, byte*);
71 /* fips wrapper calls, user can call direct */
72 CYASSL_API int InitSha256_fips(Sha256*);
73 CYASSL_API int Sha256Update_fips(Sha256*, const byte*, word32);
74 CYASSL_API int Sha256Final_fips(Sha256*, byte*);
75 #ifndef FIPS_NO_WRAPPERS
76 /* if not impl or fips.c impl wrapper force fips calls if fips build */
77 #define InitSha256 InitSha256_fips
78 #define Sha256Update Sha256Update_fips
79 #define Sha256Final Sha256Final_fips
80 #endif /* FIPS_NO_WRAPPERS */
82 #endif /* HAVE_FIPS */
89 #endif /* CTAO_CRYPT_SHA256_H */
90 #endif /* NO_SHA256 */