wolf SSL / wolfSSL

wolfSSL SSL/TLS library, support up to TLS1.3

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wolfssl/wolfcrypt/sha256.h@4:1b0d80432c79, 2016-04-28 (annotated)

Committer:
wolfSSL
Date:
Thu Apr 28 00:57:21 2016 +0000
Revision:
4:1b0d80432c79
wolfSSL 3.9.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 4:1b0d80432c79 1 /* sha256.h
wolfSSL 4:1b0d80432c79 2 *
wolfSSL 4:1b0d80432c79 3 * Copyright (C) 2006-2016 wolfSSL Inc.
wolfSSL 4:1b0d80432c79 4 *
wolfSSL 4:1b0d80432c79 5 * This file is part of wolfSSL.
wolfSSL 4:1b0d80432c79 6 *
wolfSSL 4:1b0d80432c79 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 4:1b0d80432c79 8 * it under the terms of the GNU General Public License as published by
wolfSSL 4:1b0d80432c79 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 4:1b0d80432c79 10 * (at your option) any later version.
wolfSSL 4:1b0d80432c79 11 *
wolfSSL 4:1b0d80432c79 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 4:1b0d80432c79 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 4:1b0d80432c79 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 4:1b0d80432c79 15 * GNU General Public License for more details.
wolfSSL 4:1b0d80432c79 16 *
wolfSSL 4:1b0d80432c79 17 * You should have received a copy of the GNU General Public License
wolfSSL 4:1b0d80432c79 18 * along with this program; if not, write to the Free Software
wolfSSL 4:1b0d80432c79 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
wolfSSL 4:1b0d80432c79 20 */
wolfSSL 4:1b0d80432c79 21
wolfSSL 4:1b0d80432c79 22
wolfSSL 4:1b0d80432c79 23 /* code submitted by raphael.huck@efixo.com */
wolfSSL 4:1b0d80432c79 24
wolfSSL 4:1b0d80432c79 25 #ifndef WOLF_CRYPT_SHA256_H
wolfSSL 4:1b0d80432c79 26 #define WOLF_CRYPT_SHA256_H
wolfSSL 4:1b0d80432c79 27
wolfSSL 4:1b0d80432c79 28 #include <wolfssl/wolfcrypt/types.h>
wolfSSL 4:1b0d80432c79 29
wolfSSL 4:1b0d80432c79 30 #ifndef NO_SHA256
wolfSSL 4:1b0d80432c79 31
wolfSSL 4:1b0d80432c79 32 #ifdef HAVE_FIPS
wolfSSL 4:1b0d80432c79 33 /* for fips @wc_fips */
wolfSSL 4:1b0d80432c79 34 #include <cyassl/ctaocrypt/sha256.h>
wolfSSL 4:1b0d80432c79 35 #endif
wolfSSL 4:1b0d80432c79 36
wolfSSL 4:1b0d80432c79 37
wolfSSL 4:1b0d80432c79 38 #ifdef __cplusplus
wolfSSL 4:1b0d80432c79 39 extern "C" {
wolfSSL 4:1b0d80432c79 40 #endif
wolfSSL 4:1b0d80432c79 41
wolfSSL 4:1b0d80432c79 42 #ifndef HAVE_FIPS /* avoid redefinition of structs */
wolfSSL 4:1b0d80432c79 43 #ifdef WOLFSSL_PIC32MZ_HASH
wolfSSL 4:1b0d80432c79 44 #include "port/pic32/pic32mz-crypt.h"
wolfSSL 4:1b0d80432c79 45 #endif
wolfSSL 4:1b0d80432c79 46
wolfSSL 4:1b0d80432c79 47 /* in bytes */
wolfSSL 4:1b0d80432c79 48 enum {
wolfSSL 4:1b0d80432c79 49 SHA256 = 2, /* hash type unique */
wolfSSL 4:1b0d80432c79 50 SHA256_BLOCK_SIZE = 64,
wolfSSL 4:1b0d80432c79 51 SHA256_DIGEST_SIZE = 32,
wolfSSL 4:1b0d80432c79 52 SHA256_PAD_SIZE = 56
wolfSSL 4:1b0d80432c79 53 };
wolfSSL 4:1b0d80432c79 54
wolfSSL 4:1b0d80432c79 55 #ifndef WOLFSSL_TI_HASH
wolfSSL 4:1b0d80432c79 56
wolfSSL 4:1b0d80432c79 57 /* Sha256 digest */
wolfSSL 4:1b0d80432c79 58 typedef struct Sha256 {
wolfSSL 4:1b0d80432c79 59 word32 buffLen; /* in bytes */
wolfSSL 4:1b0d80432c79 60 word32 loLen; /* length in bytes */
wolfSSL 4:1b0d80432c79 61 word32 hiLen; /* length in bytes */
wolfSSL 4:1b0d80432c79 62 word32 digest[SHA256_DIGEST_SIZE / sizeof(word32)];
wolfSSL 4:1b0d80432c79 63 word32 buffer[SHA256_BLOCK_SIZE / sizeof(word32)];
wolfSSL 4:1b0d80432c79 64 #ifdef WOLFSSL_PIC32MZ_HASH
wolfSSL 4:1b0d80432c79 65 pic32mz_desc desc ; /* Crypt Engine descriptor */
wolfSSL 4:1b0d80432c79 66 #endif
wolfSSL 4:1b0d80432c79 67 } Sha256;
wolfSSL 4:1b0d80432c79 68
wolfSSL 4:1b0d80432c79 69 #else /* WOLFSSL_TI_HASH */
wolfSSL 4:1b0d80432c79 70 #include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
wolfSSL 4:1b0d80432c79 71 #endif
wolfSSL 4:1b0d80432c79 72
wolfSSL 4:1b0d80432c79 73 #endif /* HAVE_FIPS */
wolfSSL 4:1b0d80432c79 74
wolfSSL 4:1b0d80432c79 75 WOLFSSL_API int wc_InitSha256(Sha256*);
wolfSSL 4:1b0d80432c79 76 WOLFSSL_API int wc_Sha256Update(Sha256*, const byte*, word32);
wolfSSL 4:1b0d80432c79 77 WOLFSSL_API int wc_Sha256Final(Sha256*, byte*);
wolfSSL 4:1b0d80432c79 78
wolfSSL 4:1b0d80432c79 79 #ifdef __cplusplus
wolfSSL 4:1b0d80432c79 80 } /* extern "C" */
wolfSSL 4:1b0d80432c79 81 #endif
wolfSSL 4:1b0d80432c79 82
wolfSSL 4:1b0d80432c79 83 #endif /* NO_SHA256 */
wolfSSL 4:1b0d80432c79 84 #endif /* WOLF_CRYPT_SHA256_H */
wolfSSL 4:1b0d80432c79 85
wolfSSL 4:1b0d80432c79 86