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/* --*- c -*--
* Copyright (C) 2008 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
*
* This program 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; version 2 and/or 3 of the License.
*
* This program 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef H_UTIL_VSERVER_LIB_INTERNAL_CRYPTO_WRAPPER_BEECRYPT_H
#define H_UTIL_VSERVER_LIB_INTERNAL_CRYPTO_WRAPPER_BEECRYPT_H
#include <beecrypt/beecrypt.h>
#include <ctype.h>
typedef hashFunction ensc_hash_method;
typedef hashFunctionContext ensc_hash_context;
inline static void
ensc_crypto_init(void)
{
}
inline static ensc_hash_method const *
ensc_crypto_hash_get_default(void)
{
return hashFunctionDefault();
}
inline static ensc_hash_method const *
ensc_crypto_hash_find(char const *id_c)
{
char *id = strdupa(id_c);
char *ptr = id;
char const *name;
while (*ptr) {
*ptr = tolower(*ptr);
++ptr;
}
ptr = id;
while ((ptr=strchr(ptr, '-'))!=NULL)
memmove(ptr, ptr+1, strlen(ptr));
if (strcmp(id, "md2")==0)
name = "MD2";
else if (strcmp(id, "md5")==0)
name = "MD5";
else if (strcmp(id, "sha1")==0)
name = "SHA-1";
else if (strcasecmp(id, "sha256")==0)
name = "SHA-256";
#if 0
/* sha-384 in beecrypt seems to be broken; digestsize is reported as
* 64 there although 48 is the correct value */
else if (strcasecmp(id, "sha384")==0)
name = "SHA-384";
#endif
else if (strcasecmp(id, "sha512")==0)
name = "SHA-512";
else
name = NULL;
return hashFunctionFind(name);
}
inline static char const *
ensc_crypto_hash_get_name(ensc_hash_method const *m)
{
return m->name;
}
inline static size_t
ensc_crypto_hash_get_digestsize(ensc_hash_method const *m)
{
return m->digestsize;
}
inline static size_t
ensc_crypto_hashctx_get_digestsize(ensc_hash_context const *ctx)
{
return ensc_crypto_hash_get_digestsize(ctx->algo);
}
inline static int
ensc_crypto_hashctx_get_digest(ensc_hash_context *ctx, void *result,
size_t *res_len, size_t UNUSED max_res_len)
{
int rc = hashFunctionContextDigest(ctx, result);
if (res_len)
*res_len = ctx->algo->digestsize;
return rc;
}
inline static int
ensc_crypto_hashctx_update(ensc_hash_context *ctx, void const *src, size_t len)
{
return hashFunctionContextUpdate(ctx, src, len);
}
inline static int
ensc_crypto_hashctx_init(ensc_hash_context *ctx, ensc_hash_method const *m)
{
return hashFunctionContextInit(ctx, m);
}
inline static int
ensc_crypto_hashctx_reset(ensc_hash_context *ctx)
{
return hashFunctionContextReset(ctx);
}
inline static void
ensc_crypto_hashctx_free(ensc_hash_context *ctx)
{
hashFunctionContextFree(ctx);
}
#endif /* H_UTIL_VSERVER_LIB_INTERNAL_CRYPTO_WRAPPER_BEECRYPT_H */
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