wolf SSL / CyaSSL-2.9.4

SSL/TLS Library

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CyaSSL is SSL/TLS library for embedded systems.

wolfssl.com

cyassl/ctaocrypt/sha256.h@0:9d17e4342598, 2014-04-20 (annotated)

Committer:
wolfSSL
Date:
Sun Apr 20 12:40:57 2014 +0000
Revision:
0:9d17e4342598
CyaSSL SSL/TLS Library 2.9.4;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 0:9d17e4342598 1 /* sha256.h
wolfSSL 0:9d17e4342598 2 *
wolfSSL 0:9d17e4342598 3 * Copyright (C) 2006-2013 wolfSSL Inc.
wolfSSL 0:9d17e4342598 4 *
wolfSSL 0:9d17e4342598 5 * This file is part of CyaSSL.
wolfSSL 0:9d17e4342598 6 *
wolfSSL 0:9d17e4342598 7 * CyaSSL is free software; you can redistribute it and/or modify
wolfSSL 0:9d17e4342598 8 * it under the terms of the GNU General Public License as published by
wolfSSL 0:9d17e4342598 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 0:9d17e4342598 10 * (at your option) any later version.
wolfSSL 0:9d17e4342598 11 *
wolfSSL 0:9d17e4342598 12 * CyaSSL is distributed in the hope that it will be useful,
wolfSSL 0:9d17e4342598 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 0:9d17e4342598 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 0:9d17e4342598 15 * GNU General Public License for more details.
wolfSSL 0:9d17e4342598 16 *
wolfSSL 0:9d17e4342598 17 * You should have received a copy of the GNU General Public License
wolfSSL 0:9d17e4342598 18 * along with this program; if not, write to the Free Software
wolfSSL 0:9d17e4342598 19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
wolfSSL 0:9d17e4342598 20 */
wolfSSL 0:9d17e4342598 21
wolfSSL 0:9d17e4342598 22
wolfSSL 0:9d17e4342598 23 /* code submitted by raphael.huck@efixo.com */
wolfSSL 0:9d17e4342598 24
wolfSSL 0:9d17e4342598 25
wolfSSL 0:9d17e4342598 26 #ifndef NO_SHA256
wolfSSL 0:9d17e4342598 27
wolfSSL 0:9d17e4342598 28 #ifndef CTAO_CRYPT_SHA256_H
wolfSSL 0:9d17e4342598 29 #define CTAO_CRYPT_SHA256_H
wolfSSL 0:9d17e4342598 30
wolfSSL 0:9d17e4342598 31 #include <cyassl/ctaocrypt/types.h>
wolfSSL 0:9d17e4342598 32
wolfSSL 0:9d17e4342598 33 #ifdef __cplusplus
wolfSSL 0:9d17e4342598 34 extern "C" {
wolfSSL 0:9d17e4342598 35 #endif
wolfSSL 0:9d17e4342598 36
wolfSSL 0:9d17e4342598 37 #ifdef CYASSL_PIC32MZ_HASH
wolfSSL 0:9d17e4342598 38 #include "port/pic32/pic32mz-crypt.h"
wolfSSL 0:9d17e4342598 39 #endif
wolfSSL 0:9d17e4342598 40
wolfSSL 0:9d17e4342598 41
wolfSSL 0:9d17e4342598 42 /* in bytes */
wolfSSL 0:9d17e4342598 43 enum {
wolfSSL 0:9d17e4342598 44 SHA256 = 2, /* hash type unique */
wolfSSL 0:9d17e4342598 45 SHA256_BLOCK_SIZE = 64,
wolfSSL 0:9d17e4342598 46 SHA256_DIGEST_SIZE = 32,
wolfSSL 0:9d17e4342598 47 SHA256_PAD_SIZE = 56
wolfSSL 0:9d17e4342598 48 };
wolfSSL 0:9d17e4342598 49
wolfSSL 0:9d17e4342598 50
wolfSSL 0:9d17e4342598 51 /* Sha256 digest */
wolfSSL 0:9d17e4342598 52 typedef struct Sha256 {
wolfSSL 0:9d17e4342598 53 word32 buffLen; /* in bytes */
wolfSSL 0:9d17e4342598 54 word32 loLen; /* length in bytes */
wolfSSL 0:9d17e4342598 55 word32 hiLen; /* length in bytes */
wolfSSL 0:9d17e4342598 56 word32 digest[SHA256_DIGEST_SIZE / sizeof(word32)];
wolfSSL 0:9d17e4342598 57 word32 buffer[SHA256_BLOCK_SIZE / sizeof(word32)];
wolfSSL 0:9d17e4342598 58 #ifdef CYASSL_PIC32MZ_HASH
wolfSSL 0:9d17e4342598 59 pic32mz_desc desc ; /* Crypt Engine descripter */
wolfSSL 0:9d17e4342598 60 #endif
wolfSSL 0:9d17e4342598 61 } Sha256;
wolfSSL 0:9d17e4342598 62
wolfSSL 0:9d17e4342598 63
wolfSSL 0:9d17e4342598 64 CYASSL_API int InitSha256(Sha256*);
wolfSSL 0:9d17e4342598 65 CYASSL_API int Sha256Update(Sha256*, const byte*, word32);
wolfSSL 0:9d17e4342598 66 CYASSL_API int Sha256Final(Sha256*, byte*);
wolfSSL 0:9d17e4342598 67
wolfSSL 0:9d17e4342598 68
wolfSSL 0:9d17e4342598 69 #ifdef HAVE_FIPS
wolfSSL 0:9d17e4342598 70 /* fips wrapper calls, user can call direct */
wolfSSL 0:9d17e4342598 71 CYASSL_API int InitSha256_fips(Sha256*);
wolfSSL 0:9d17e4342598 72 CYASSL_API int Sha256Update_fips(Sha256*, const byte*, word32);
wolfSSL 0:9d17e4342598 73 CYASSL_API int Sha256Final_fips(Sha256*, byte*);
wolfSSL 0:9d17e4342598 74 #ifndef FIPS_NO_WRAPPERS
wolfSSL 0:9d17e4342598 75 /* if not impl or fips.c impl wrapper force fips calls if fips build */
wolfSSL 0:9d17e4342598 76 #define InitSha256 InitSha256_fips
wolfSSL 0:9d17e4342598 77 #define Sha256Update Sha256Update_fips
wolfSSL 0:9d17e4342598 78 #define Sha256Final Sha256Final_fips
wolfSSL 0:9d17e4342598 79 #endif /* FIPS_NO_WRAPPERS */
wolfSSL 0:9d17e4342598 80
wolfSSL 0:9d17e4342598 81 #endif /* HAVE_FIPS */
wolfSSL 0:9d17e4342598 82
wolfSSL 0:9d17e4342598 83
wolfSSL 0:9d17e4342598 84 #ifdef __cplusplus
wolfSSL 0:9d17e4342598 85 } /* extern "C" */
wolfSSL 0:9d17e4342598 86 #endif
wolfSSL 0:9d17e4342598 87
wolfSSL 0:9d17e4342598 88 #endif /* CTAO_CRYPT_SHA256_H */
wolfSSL 0:9d17e4342598 89 #endif /* NO_SHA256 */
wolfSSL 0:9d17e4342598 90