/*
- * Copyright (C) 2008 Tobias Brunner
- * Hochschule fuer Technik Rapperswil
+ * Copyright (C) 2008-2017 Tobias Brunner
+ * HSR Hochschule fuer Technik Rapperswil
*
* 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
/*
* Described in header
*/
-openssl_hasher_t *openssl_hasher_create(hash_algorithm_t algo)
+const EVP_MD *openssl_get_md(hash_algorithm_t hash)
{
- private_openssl_hasher_t *this;
- char* name;
+ char *name;
- name = enum_to_name(hash_algorithm_short_names, algo);
+ name = enum_to_name(hash_algorithm_short_names, hash);
if (!name)
{
return NULL;
}
+ return EVP_get_digestbyname(name);
+}
+
+/*
+ * Described in header
+ */
+openssl_hasher_t *openssl_hasher_create(hash_algorithm_t algo)
+{
+ private_openssl_hasher_t *this;
INIT(this,
.public = {
},
);
- this->hasher = EVP_get_digestbyname(name);
+ this->hasher = openssl_get_md(algo);
if (!this->hasher)
{
/* OpenSSL does not support the requested algo */
/*
- * Copyright (C) 2008 Tobias Brunner
- * Hochschule fuer Technik Rapperswil
+ * Copyright (C) 2008-2017 Tobias Brunner
+ * HSR Hochschule fuer Technik Rapperswil
*
* 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
#include <crypto/hashers/hasher.h>
+#include <openssl/evp.h>
+
/**
* Implementation of hashers using OpenSSL.
*/
hasher_t hasher;
};
+/**
+ * Determine EVP_MD for the given hash algorithm
+ *
+ * @param hash hash algorithm
+ * @return EVP_MD or NULL if not found/supported
+ */
+const EVP_MD *openssl_get_md(hash_algorithm_t hash);
+
/**
* Constructor to create openssl_hasher_t.
*