hash.h

00001 /* hash.h
00002  *
00003  * Copyright (C) 2006-2017 wolfSSL Inc.
00004  *
00005  * This file is part of wolfSSL.
00006  *
00007  * wolfSSL is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or
00010  * (at your option) any later version.
00011  *
00012  * wolfSSL is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
00020  */
00021 
00022 /*!
00023     \file wolfssl/wolfcrypt/hash.h
00024 */
00025 
00026 #ifndef WOLF_CRYPT_HASH_H
00027 #define WOLF_CRYPT_HASH_H
00028 
00029 #include <wolfcrypt/types.h>
00030 
00031 #ifndef NO_MD5
00032     #include <wolfcrypt/md5.h>
00033 #endif
00034 #ifndef NO_SHA
00035     #include <wolfcrypt/sha.h>
00036 #endif
00037 #if defined(WOLFSSL_SHA224) || !defined(NO_SHA256)
00038     #include <wolfcrypt/sha256.h>
00039 #endif
00040 #if defined(WOLFSSL_SHA384) || defined(WOLFSSL_SHA512)
00041     #include <wolfcrypt/sha512.h>
00042 #endif
00043 #ifdef HAVE_BLAKE2
00044     #include <wolfcrypt/blake2.h>
00045 #endif
00046 #ifdef WOLFSSL_SHA3
00047     #include <wolfcrypt/sha3.h>
00048 #endif
00049 #ifndef NO_MD4
00050     #include <wolfcrypt/md4.h>
00051 #endif
00052 #ifdef WOLFSSL_MD2
00053     #include <wolfcrypt/md2.h>
00054 #endif
00055 
00056 
00057 #ifdef __cplusplus
00058     extern "C" {
00059 #endif
00060 
00061 #if !defined(HAVE_FIPS) && !defined(NO_OLD_WC_NAMES)
00062     #define MAX_DIGEST_SIZE WC_MAX_DIGEST_SIZE
00063 #endif
00064 
00065 
00066 typedef union {
00067     #ifndef NO_MD5
00068         wc_Md5 md5;
00069     #endif
00070     #ifndef NO_SHA
00071         wc_Sha sha;
00072     #endif
00073     #ifdef WOLFSSL_SHA224
00074         wc_Sha224 sha224;
00075     #endif
00076     #ifndef NO_SHA256
00077         wc_Sha256 sha256;
00078     #endif
00079     #ifdef WOLFSSL_SHA384
00080         wc_Sha384 sha384;
00081     #endif
00082     #ifdef WOLFSSL_SHA512
00083         wc_Sha512 sha512;
00084     #endif
00085 } wc_HashAlg;
00086 
00087 /* Find largest possible digest size
00088    Note if this gets up to the size of 80 or over check smallstack build */
00089 #if defined(WOLFSSL_SHA3)
00090     #define WC_MAX_DIGEST_SIZE WC_SHA3_512_DIGEST_SIZE
00091     #define WC_MAX_BLOCK_SIZE  WC_SHA3_224_BLOCK_SIZE /* 224 is the largest block size */
00092 #elif defined(WOLFSSL_SHA512)
00093     #define WC_MAX_DIGEST_SIZE WC_SHA512_DIGEST_SIZE
00094     #define WC_MAX_BLOCK_SIZE  WC_SHA512_BLOCK_SIZE
00095 #elif defined(HAVE_BLAKE2)
00096     #define WC_MAX_DIGEST_SIZE BLAKE2B_OUTBYTES
00097     #define WC_MAX_BLOCK_SIZE  BLAKE2B_BLOCKBYTES
00098 #elif defined(WOLFSSL_SHA384)
00099     #define WC_MAX_DIGEST_SIZE WC_SHA384_DIGEST_SIZE
00100     #define WC_MAX_BLOCK_SIZE  WC_SHA384_BLOCK_SIZE
00101 #elif !defined(NO_SHA256)
00102     #define WC_MAX_DIGEST_SIZE WC_SHA256_DIGEST_SIZE
00103     #define WC_MAX_BLOCK_SIZE  WC_SHA256_BLOCK_SIZE
00104 #elif defined(WOLFSSL_SHA224)
00105     #define WC_MAX_DIGEST_SIZE WC_SHA224_DIGEST_SIZE
00106     #define WC_MAX_BLOCK_SIZE  WC_SHA224_BLOCK_SIZE
00107 #elif !defined(NO_SHA)
00108     #define WC_MAX_DIGEST_SIZE WC_SHA_DIGEST_SIZE
00109     #define WC_MAX_BLOCK_SIZE  WC_SHA_BLOCK_SIZE
00110 #elif !defined(NO_MD5)
00111     #define WC_MAX_DIGEST_SIZE WC_MD5_DIGEST_SIZE
00112     #define WC_MAX_BLOCK_SIZE  WC_MD5_BLOCK_SIZE
00113 #else
00114     #define WC_MAX_DIGEST_SIZE 64 /* default to max size of 64 */
00115     #define WC_MAX_BLOCK_SIZE  128
00116 #endif
00117 
00118 #if !defined(NO_ASN) || !defined(NO_DH) || defined(HAVE_ECC)
00119 WOLFSSL_API int wc_HashGetOID(enum wc_HashType hash_type);
00120 WOLFSSL_API enum wc_HashType wc_OidGetHash(int oid);
00121 #endif
00122 
00123 WOLFSSL_API enum wc_HashType wc_HashTypeConvert(int hashType);
00124 
00125 WOLFSSL_API int wc_HashGetDigestSize(enum wc_HashType hash_type);
00126 WOLFSSL_API int wc_HashGetBlockSize(enum wc_HashType hash_type);
00127 WOLFSSL_API int wc_Hash(enum wc_HashType hash_type,
00128     const byte* data, word32 data_len,
00129     byte* hash, word32 hash_len);
00130 
00131 /* generic hash operation wrappers */
00132 WOLFSSL_API int wc_HashInit(wc_HashAlg* hash, enum wc_HashType type);
00133 WOLFSSL_API int wc_HashUpdate(wc_HashAlg* hash, enum wc_HashType type,
00134     const byte* data, word32 dataSz);
00135 WOLFSSL_API int wc_HashFinal(wc_HashAlg* hash, enum wc_HashType type,
00136     byte* out);
00137 
00138 
00139 #ifndef NO_MD5
00140 #include <wolfcrypt/md5.h>
00141 WOLFSSL_API int wc_Md5Hash(const byte* data, word32 len, byte* hash);
00142 #endif
00143 
00144 #ifndef NO_SHA
00145 #include <wolfcrypt/sha.h>
00146 WOLFSSL_API int wc_ShaHash(const byte*, word32, byte*);
00147 #endif
00148 
00149 #ifdef WOLFSSL_SHA224
00150 #include <wolfcrypt/sha256.h>
00151 WOLFSSL_API int wc_Sha224Hash(const byte*, word32, byte*);
00152 #endif /* defined(WOLFSSL_SHA224) */
00153 
00154 #ifndef NO_SHA256
00155 #include <wolfcrypt/sha256.h>
00156 WOLFSSL_API int wc_Sha256Hash(const byte*, word32, byte*);
00157 #endif
00158 
00159 #ifdef WOLFSSL_SHA384
00160 #include <wolfcrypt/sha512.h>
00161 WOLFSSL_API int wc_Sha384Hash(const byte*, word32, byte*);
00162 #endif /* defined(WOLFSSL_SHA384) */
00163 
00164 #ifdef WOLFSSL_SHA512
00165 #include <wolfcrypt/sha512.h>
00166 WOLFSSL_API int wc_Sha512Hash(const byte*, word32, byte*);
00167 #endif /* WOLFSSL_SHA512 */
00168 
00169 #ifdef __cplusplus
00170     } /* extern "C" */
00171 #endif
00172 
00173 #endif /* WOLF_CRYPT_HASH_H */
00174