wolfSSL SSL/TLS library, support up to TLS1.3
Dependents: CyaSSL-Twitter-OAuth4Tw Example-client-tls-cert TwitterReader TweetTest ... more
Diff: wolfssl/wolfcrypt/hash.h
- Revision:
- 13:f67a6c6013ca
- Parent:
- 11:cee25a834751
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wolfssl/wolfcrypt/hash.h Tue Aug 22 10:48:22 2017 +0000 @@ -0,0 +1,148 @@ +/* hash.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 + */ + + +#ifndef WOLF_CRYPT_HASH_H +#define WOLF_CRYPT_HASH_H + +#include <wolfssl/wolfcrypt/types.h> + +#ifndef NO_MD5 + #include <wolfssl/wolfcrypt/md5.h> +#endif +#ifndef NO_SHA + #include <wolfssl/wolfcrypt/sha.h> +#endif +#if defined(WOLFSSL_SHA224) || !defined(NO_SHA256) + #include <wolfssl/wolfcrypt/sha256.h> +#endif +#if defined(WOLFSSL_SHA384) || defined(WOLFSSL_SHA512) + #include <wolfssl/wolfcrypt/sha512.h> +#endif + +#ifdef __cplusplus + extern "C" { +#endif + +/* Hash types */ +enum wc_HashType { + WC_HASH_TYPE_NONE = 0, + WC_HASH_TYPE_MD2 = 1, + WC_HASH_TYPE_MD4 = 2, + WC_HASH_TYPE_MD5 = 3, + WC_HASH_TYPE_SHA = 4, /* SHA-1 (not old SHA-0) */ + WC_HASH_TYPE_SHA224 = 9, + WC_HASH_TYPE_SHA256 = 5, + WC_HASH_TYPE_SHA384 = 6, + WC_HASH_TYPE_SHA512 = 7, + WC_HASH_TYPE_MD5_SHA = 8, +}; + +typedef union { + #ifndef NO_MD5 + Md5 md5; + #endif + #ifndef NO_SHA + Sha sha; + #endif + #ifdef WOLFSSL_SHA224 + Sha224 sha224; + #endif + #ifndef NO_SHA256 + Sha256 sha256; + #endif + #ifdef WOLFSSL_SHA384 + Sha384 sha384; + #endif + #ifdef WOLFSSL_SHA512 + Sha512 sha512; + #endif +} wc_HashAlg; + +/* Find largest possible digest size + Note if this gets up to the size of 80 or over check smallstack build */ +#if defined(WOLFSSL_SHA512) + #define WC_MAX_DIGEST_SIZE SHA512_DIGEST_SIZE +#elif defined(WOLFSSL_SHA384) + #define WC_MAX_DIGEST_SIZE SHA384_DIGEST_SIZE +#elif !defined(NO_SHA256) + #define WC_MAX_DIGEST_SIZE SHA256_DIGEST_SIZE +#elif defined(WOLFSSL_SHA224) + #define WC_MAX_DIGEST_SIZE SHA224_DIGEST_SIZE +#elif !defined(NO_SHA) + #define WC_MAX_DIGEST_SIZE SHA_DIGEST_SIZE +#elif !defined(NO_MD5) + #define WC_MAX_DIGEST_SIZE MD5_DIGEST_SIZE +#else + #define WC_MAX_DIGEST_SIZE 64 /* default to max size of 64 */ +#endif + +#if !defined(NO_ASN) || !defined(NO_DH) || defined(HAVE_ECC) +WOLFSSL_API int wc_HashGetOID(enum wc_HashType hash_type); +#endif + +WOLFSSL_API int wc_HashGetDigestSize(enum wc_HashType hash_type); +WOLFSSL_API int wc_Hash(enum wc_HashType hash_type, + const byte* data, word32 data_len, + byte* hash, word32 hash_len); + +/* generic hash operation wrappers */ +WOLFSSL_API int wc_HashInit(wc_HashAlg* hash, enum wc_HashType type); +WOLFSSL_API int wc_HashUpdate(wc_HashAlg* hash, enum wc_HashType type, + const byte* data, word32 dataSz); +WOLFSSL_API int wc_HashFinal(wc_HashAlg* hash, enum wc_HashType type, + byte* out); + + +#ifndef NO_MD5 +#include <wolfssl/wolfcrypt/md5.h> +WOLFSSL_API int wc_Md5Hash(const byte* data, word32 len, byte* hash); +#endif + +#ifndef NO_SHA +#include <wolfssl/wolfcrypt/sha.h> +WOLFSSL_API int wc_ShaHash(const byte*, word32, byte*); +#endif + +#ifndef NO_SHA256 +#include <wolfssl/wolfcrypt/sha256.h> +WOLFSSL_API int wc_Sha256Hash(const byte*, word32, byte*); + + #if defined(WOLFSSL_SHA224) + WOLFSSL_API int wc_Sha224Hash(const byte*, word32, byte*); + #endif /* defined(WOLFSSL_SHA224) */ +#endif + +#ifdef WOLFSSL_SHA512 +#include <wolfssl/wolfcrypt/sha512.h> +WOLFSSL_API int wc_Sha512Hash(const byte*, word32, byte*); + + #if defined(WOLFSSL_SHA384) + WOLFSSL_API int wc_Sha384Hash(const byte*, word32, byte*); + #endif /* defined(WOLFSSL_SHA384) */ +#endif /* WOLFSSL_SHA512 */ + +#ifdef __cplusplus + } /* extern "C" */ +#endif + +#endif /* WOLF_CRYPT_HASH_H */ +