[352] | 1 | /* hash.h
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| 2 | *
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| 3 | * Copyright (C) 2006-2017 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL.
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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| 20 | */
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| 21 |
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| 22 |
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| 23 | #ifndef WOLF_CRYPT_HASH_H
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| 24 | #define WOLF_CRYPT_HASH_H
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| 25 |
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| 26 | #include <wolfssl/wolfcrypt/types.h>
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| 27 |
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| 28 | #ifndef NO_MD5
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| 29 | #include <wolfssl/wolfcrypt/md5.h>
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| 30 | #endif
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| 31 | #ifndef NO_SHA
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| 32 | #include <wolfssl/wolfcrypt/sha.h>
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| 33 | #endif
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| 34 | #if defined(WOLFSSL_SHA224) || !defined(NO_SHA256)
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| 35 | #include <wolfssl/wolfcrypt/sha256.h>
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| 36 | #endif
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| 37 | #if defined(WOLFSSL_SHA384) || defined(WOLFSSL_SHA512)
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| 38 | #include <wolfssl/wolfcrypt/sha512.h>
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| 39 | #endif
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| 40 |
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| 41 | #ifdef __cplusplus
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| 42 | extern "C" {
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| 43 | #endif
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| 44 |
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| 45 | /* Hash types */
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| 46 | enum wc_HashType {
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| 47 | WC_HASH_TYPE_NONE = 0,
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| 48 | WC_HASH_TYPE_MD2 = 1,
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| 49 | WC_HASH_TYPE_MD4 = 2,
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| 50 | WC_HASH_TYPE_MD5 = 3,
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| 51 | WC_HASH_TYPE_SHA = 4, /* SHA-1 (not old SHA-0) */
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| 52 | WC_HASH_TYPE_SHA224 = 9,
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| 53 | WC_HASH_TYPE_SHA256 = 5,
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| 54 | WC_HASH_TYPE_SHA384 = 6,
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| 55 | WC_HASH_TYPE_SHA512 = 7,
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| 56 | WC_HASH_TYPE_MD5_SHA = 8,
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| 57 | };
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| 58 |
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| 59 | typedef union {
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| 60 | #ifndef NO_MD5
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| 61 | wc_Md5 md5;
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| 62 | #endif
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| 63 | #ifndef NO_SHA
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| 64 | wc_Sha sha;
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| 65 | #endif
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| 66 | #ifdef WOLFSSL_SHA224
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| 67 | wc_Sha224 sha224;
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| 68 | #endif
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| 69 | #ifndef NO_SHA256
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| 70 | wc_Sha256 sha256;
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| 71 | #endif
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| 72 | #ifdef WOLFSSL_SHA384
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| 73 | wc_Sha384 sha384;
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| 74 | #endif
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| 75 | #ifdef WOLFSSL_SHA512
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| 76 | wc_Sha512 sha512;
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| 77 | #endif
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| 78 | } wc_HashAlg;
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| 79 |
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| 80 | /* Find largest possible digest size
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| 81 | Note if this gets up to the size of 80 or over check smallstack build */
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| 82 | #if defined(WOLFSSL_SHA512)
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| 83 | #define WC_MAX_DIGEST_SIZE WC_SHA512_DIGEST_SIZE
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| 84 | #elif defined(WOLFSSL_SHA384)
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| 85 | #define WC_MAX_DIGEST_SIZE WC_SHA384_DIGEST_SIZE
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| 86 | #elif !defined(NO_SHA256)
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| 87 | #define WC_MAX_DIGEST_SIZE WC_SHA256_DIGEST_SIZE
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| 88 | #elif defined(WOLFSSL_SHA224)
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| 89 | #define WC_MAX_DIGEST_SIZE WC_SHA224_DIGEST_SIZE
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| 90 | #elif !defined(NO_SHA)
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| 91 | #define WC_MAX_DIGEST_SIZE WC_SHA_DIGEST_SIZE
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| 92 | #elif !defined(NO_MD5)
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| 93 | #define WC_MAX_DIGEST_SIZE WC_MD5_DIGEST_SIZE
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| 94 | #else
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| 95 | #define WC_MAX_DIGEST_SIZE 64 /* default to max size of 64 */
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| 96 | #endif
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| 97 |
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| 98 | #if !defined(NO_ASN) || !defined(NO_DH) || defined(HAVE_ECC)
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| 99 | WOLFSSL_API int wc_HashGetOID(enum wc_HashType hash_type);
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| 100 | #endif
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| 101 |
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| 102 | WOLFSSL_API int wc_HashGetDigestSize(enum wc_HashType hash_type);
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| 103 | WOLFSSL_API int wc_Hash(enum wc_HashType hash_type,
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| 104 | const byte* data, word32 data_len,
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| 105 | byte* hash, word32 hash_len);
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| 106 |
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| 107 | /* generic hash operation wrappers */
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| 108 | WOLFSSL_API int wc_HashInit(wc_HashAlg* hash, enum wc_HashType type);
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| 109 | WOLFSSL_API int wc_HashUpdate(wc_HashAlg* hash, enum wc_HashType type,
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| 110 | const byte* data, word32 dataSz);
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| 111 | WOLFSSL_API int wc_HashFinal(wc_HashAlg* hash, enum wc_HashType type,
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| 112 | byte* out);
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| 113 |
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| 114 |
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| 115 | #ifndef NO_MD5
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| 116 | #include <wolfssl/wolfcrypt/md5.h>
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| 117 | WOLFSSL_API int wc_Md5Hash(const byte* data, word32 len, byte* hash);
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| 118 | #endif
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| 119 |
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| 120 | #ifndef NO_SHA
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| 121 | #include <wolfssl/wolfcrypt/sha.h>
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| 122 | WOLFSSL_API int wc_ShaHash(const byte*, word32, byte*);
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| 123 | #endif
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| 124 |
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| 125 | #ifndef NO_SHA256
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| 126 | #include <wolfssl/wolfcrypt/sha256.h>
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| 127 | WOLFSSL_API int wc_Sha256Hash(const byte*, word32, byte*);
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| 128 |
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| 129 | #if defined(WOLFSSL_SHA224)
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| 130 | WOLFSSL_API int wc_Sha224Hash(const byte*, word32, byte*);
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| 131 | #endif /* defined(WOLFSSL_SHA224) */
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| 132 | #endif
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| 133 |
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| 134 | #ifdef WOLFSSL_SHA512
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| 135 | #include <wolfssl/wolfcrypt/sha512.h>
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| 136 | WOLFSSL_API int wc_Sha512Hash(const byte*, word32, byte*);
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| 137 |
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| 138 | #if defined(WOLFSSL_SHA384)
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| 139 | WOLFSSL_API int wc_Sha384Hash(const byte*, word32, byte*);
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| 140 | #endif /* defined(WOLFSSL_SHA384) */
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| 141 | #endif /* WOLFSSL_SHA512 */
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| 142 |
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| 143 | #ifdef __cplusplus
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| 144 | } /* extern "C" */
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| 145 | #endif
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| 146 |
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| 147 | #endif /* WOLF_CRYPT_HASH_H */
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