148 lines
4.1 KiB
C
148 lines
4.1 KiB
C
/* hash.h
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*
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* Copyright (C) 2006-2017 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#ifndef WOLF_CRYPT_HASH_H
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#define WOLF_CRYPT_HASH_H
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#include <wolfssl/wolfcrypt/types.h>
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#ifndef NO_MD5
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#include <wolfssl/wolfcrypt/md5.h>
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#endif
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#ifndef NO_SHA
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#include <wolfssl/wolfcrypt/sha.h>
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#endif
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#if defined(WOLFSSL_SHA224) || !defined(NO_SHA256)
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#include <wolfssl/wolfcrypt/sha256.h>
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#endif
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#if defined(WOLFSSL_SHA384) || defined(WOLFSSL_SHA512)
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#include <wolfssl/wolfcrypt/sha512.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Hash types */
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enum wc_HashType {
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WC_HASH_TYPE_NONE = 0,
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WC_HASH_TYPE_MD2 = 1,
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WC_HASH_TYPE_MD4 = 2,
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WC_HASH_TYPE_MD5 = 3,
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WC_HASH_TYPE_SHA = 4, /* SHA-1 (not old SHA-0) */
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WC_HASH_TYPE_SHA224 = 9,
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WC_HASH_TYPE_SHA256 = 5,
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WC_HASH_TYPE_SHA384 = 6,
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WC_HASH_TYPE_SHA512 = 7,
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WC_HASH_TYPE_MD5_SHA = 8,
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};
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typedef union {
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#ifndef NO_MD5
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wc_Md5 md5;
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#endif
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#ifndef NO_SHA
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wc_Sha sha;
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#endif
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#ifdef WOLFSSL_SHA224
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wc_Sha224 sha224;
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#endif
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#ifndef NO_SHA256
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wc_Sha256 sha256;
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#endif
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#ifdef WOLFSSL_SHA384
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wc_Sha384 sha384;
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#endif
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#ifdef WOLFSSL_SHA512
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wc_Sha512 sha512;
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#endif
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} wc_HashAlg;
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/* Find largest possible digest size
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Note if this gets up to the size of 80 or over check smallstack build */
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#if defined(WOLFSSL_SHA512)
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#define WC_MAX_DIGEST_SIZE WC_SHA512_DIGEST_SIZE
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#elif defined(WOLFSSL_SHA384)
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#define WC_MAX_DIGEST_SIZE WC_SHA384_DIGEST_SIZE
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#elif !defined(NO_SHA256)
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#define WC_MAX_DIGEST_SIZE WC_SHA256_DIGEST_SIZE
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#elif defined(WOLFSSL_SHA224)
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#define WC_MAX_DIGEST_SIZE WC_SHA224_DIGEST_SIZE
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#elif !defined(NO_SHA)
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#define WC_MAX_DIGEST_SIZE WC_SHA_DIGEST_SIZE
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#elif !defined(NO_MD5)
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#define WC_MAX_DIGEST_SIZE WC_MD5_DIGEST_SIZE
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#else
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#define WC_MAX_DIGEST_SIZE 64 /* default to max size of 64 */
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#endif
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#if !defined(NO_ASN) || !defined(NO_DH) || defined(HAVE_ECC)
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WOLFSSL_API int wc_HashGetOID(enum wc_HashType hash_type);
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#endif
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WOLFSSL_API int wc_HashGetDigestSize(enum wc_HashType hash_type);
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WOLFSSL_API int wc_Hash(enum wc_HashType hash_type,
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const byte* data, word32 data_len,
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byte* hash, word32 hash_len);
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/* generic hash operation wrappers */
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WOLFSSL_API int wc_HashInit(wc_HashAlg* hash, enum wc_HashType type);
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WOLFSSL_API int wc_HashUpdate(wc_HashAlg* hash, enum wc_HashType type,
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const byte* data, word32 dataSz);
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WOLFSSL_API int wc_HashFinal(wc_HashAlg* hash, enum wc_HashType type,
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byte* out);
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#ifndef NO_MD5
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#include <wolfssl/wolfcrypt/md5.h>
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WOLFSSL_API int wc_Md5Hash(const byte* data, word32 len, byte* hash);
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#endif
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#ifndef NO_SHA
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#include <wolfssl/wolfcrypt/sha.h>
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WOLFSSL_API int wc_ShaHash(const byte*, word32, byte*);
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#endif
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#ifndef NO_SHA256
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#include <wolfssl/wolfcrypt/sha256.h>
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WOLFSSL_API int wc_Sha256Hash(const byte*, word32, byte*);
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#if defined(WOLFSSL_SHA224)
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WOLFSSL_API int wc_Sha224Hash(const byte*, word32, byte*);
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#endif /* defined(WOLFSSL_SHA224) */
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#endif
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#ifdef WOLFSSL_SHA512
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#include <wolfssl/wolfcrypt/sha512.h>
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WOLFSSL_API int wc_Sha512Hash(const byte*, word32, byte*);
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#if defined(WOLFSSL_SHA384)
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WOLFSSL_API int wc_Sha384Hash(const byte*, word32, byte*);
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#endif /* defined(WOLFSSL_SHA384) */
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#endif /* WOLFSSL_SHA512 */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* WOLF_CRYPT_HASH_H */
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