wolfSSL SSL/TLS library, support up to TLS1.3
Dependents: CyaSSL-Twitter-OAuth4Tw Example-client-tls-cert TwitterReader TweetTest ... more
Diff: wolfssl/wolfcrypt/sha256.h
- Revision:
- 4:1b0d80432c79
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wolfssl/wolfcrypt/sha256.h Thu Apr 28 00:57:21 2016 +0000 @@ -0,0 +1,86 @@ +/* sha256.h + * + * Copyright (C) 2006-2016 wolfSSL Inc. + * + * This file is part of wolfSSL. + * + * wolfSSL is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * wolfSSL is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA + */ + + +/* code submitted by raphael.huck@efixo.com */ + +#ifndef WOLF_CRYPT_SHA256_H +#define WOLF_CRYPT_SHA256_H + +#include <wolfssl/wolfcrypt/types.h> + +#ifndef NO_SHA256 + +#ifdef HAVE_FIPS + /* for fips @wc_fips */ + #include <cyassl/ctaocrypt/sha256.h> +#endif + + +#ifdef __cplusplus + extern "C" { +#endif + +#ifndef HAVE_FIPS /* avoid redefinition of structs */ +#ifdef WOLFSSL_PIC32MZ_HASH + #include "port/pic32/pic32mz-crypt.h" +#endif + +/* in bytes */ +enum { + SHA256 = 2, /* hash type unique */ + SHA256_BLOCK_SIZE = 64, + SHA256_DIGEST_SIZE = 32, + SHA256_PAD_SIZE = 56 +}; + +#ifndef WOLFSSL_TI_HASH + +/* Sha256 digest */ +typedef struct Sha256 { + word32 buffLen; /* in bytes */ + word32 loLen; /* length in bytes */ + word32 hiLen; /* length in bytes */ + word32 digest[SHA256_DIGEST_SIZE / sizeof(word32)]; + word32 buffer[SHA256_BLOCK_SIZE / sizeof(word32)]; + #ifdef WOLFSSL_PIC32MZ_HASH + pic32mz_desc desc ; /* Crypt Engine descriptor */ + #endif +} Sha256; + +#else /* WOLFSSL_TI_HASH */ + #include "wolfssl/wolfcrypt/port/ti/ti-hash.h" +#endif + +#endif /* HAVE_FIPS */ + +WOLFSSL_API int wc_InitSha256(Sha256*); +WOLFSSL_API int wc_Sha256Update(Sha256*, const byte*, word32); +WOLFSSL_API int wc_Sha256Final(Sha256*, byte*); + +#ifdef __cplusplus + } /* extern "C" */ +#endif + +#endif /* NO_SHA256 */ +#endif /* WOLF_CRYPT_SHA256_H */ + +