/* Generic Hashing Wrapper */
int wc_Hash(enum wc_HashType hash_type, const byte* data,
word32 data_len, byte* hash, word32 hash_len)
{
int ret = HASH_TYPE_E; /* Default to hash type error */
word32 dig_size;
/* Validate hash buffer size */
dig_size = wc_HashGetDigestSize(hash_type);
if (hash_len < dig_size) {
return BUFFER_E;
}
/* Suppress possible unused arg if all hashing is disabled */
(void)data;
(void)data_len;
(void)hash;
(void)hash_len;
switch(hash_type)
{
case WC_HASH_TYPE_MD5:
#ifndef NO_MD5
ret = wc_Md5Hash(data, data_len, hash);
#endif
break;
case WC_HASH_TYPE_SHA:
#ifndef NO_SHA
ret = wc_ShaHash(data, data_len, hash);
#endif
break;
case WC_HASH_TYPE_SHA224:
#ifdef WOLFSSL_SHA224
ret = wc_Sha224Hash(data, data_len, hash);
#endif
break;
case WC_HASH_TYPE_SHA256:
#ifndef NO_SHA256
ret = wc_Sha256Hash(data, data_len, hash);
#endif
break;
case WC_HASH_TYPE_SHA384:
#if defined(WOLFSSL_SHA512) && defined(WOLFSSL_SHA384)
ret = wc_Sha384Hash(data, data_len, hash);
#endif
break;
case WC_HASH_TYPE_SHA512:
#ifdef WOLFSSL_SHA512
ret = wc_Sha512Hash(data, data_len, hash);
#endif
break;
case WC_HASH_TYPE_MD5_SHA:
#if !defined(NO_MD5) && !defined(NO_SHA)
ret = wc_Md5Hash(data, data_len, hash);
if (ret == 0) {
ret = wc_ShaHash(data, data_len, &hash[MD5_DIGEST_SIZE]);
}
#endif
break;
/* Not Supported */
case WC_HASH_TYPE_MD2:
case WC_HASH_TYPE_MD4:
case WC_HASH_TYPE_NONE:
default:
ret = BAD_FUNC_ARG;
break;
}
return ret;
}
/* Generic Hashing Wrapper */
int wc_Hash(enum wc_HashType hash_type, const byte* data,
word32 data_len, byte* hash, word32 hash_len)
{
int ret = BAD_FUNC_ARG;
word32 dig_size;
/* Validate hash buffer size */
dig_size = wc_HashGetDigestSize(hash_type);
if (hash_len < dig_size) {
return BUFFER_E;
}
/* Supress possible unused arg if all hashing is disabled */
(void)data;
(void)data_len;
(void)hash;
(void)hash_len;
switch(hash_type)
{
#ifndef NO_MD5
case WC_HASH_TYPE_MD5:
ret = wc_Md5Hash(data, data_len, hash);
break;
#endif
#ifndef NO_SHA
case WC_HASH_TYPE_SHA:
ret = wc_ShaHash(data, data_len, hash);
break;
#endif
#ifndef NO_SHA256
case WC_HASH_TYPE_SHA256:
ret = wc_Sha256Hash(data, data_len, hash);
break;
#endif
#ifdef WOLFSSL_SHA512
#ifdef WOLFSSL_SHA384
case WC_HASH_TYPE_SHA384:
ret = wc_Sha384Hash(data, data_len, hash);
break;
#endif /* WOLFSSL_SHA384 */
case WC_HASH_TYPE_SHA512:
ret = wc_Sha512Hash(data, data_len, hash);
break;
#endif /* WOLFSSL_SHA512 */
/* Not Supported */
#ifdef WOLFSSL_MD2
case WC_HASH_TYPE_MD2:
#endif
#ifndef NO_MD4
case WC_HASH_TYPE_MD4:
#endif
case WC_HASH_TYPE_NONE:
default:
WOLFSSL_MSG("wc_Hash: Bad hash type");
ret = BAD_FUNC_ARG;
break;
}
return ret;
}
