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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2010 Tatsuhiro Tsujikawa
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef D_LIBSSL_MESSAGE_DIGEST_IMPL_H
#define D_LIBSSL_MESSAGE_DIGEST_IMPL_H
#include "common.h"
#include <string>
#include <openssl/evp.h>
#include "SharedHandle.h"
namespace aria2 {
class MessageDigestImpl {
private:
const EVP_MD* hashFunc_;
EVP_MD_CTX ctx_;
MessageDigestImpl(const EVP_MD* hashFunc);
// We don't implement copy ctor.
MessageDigestImpl(const MessageDigestImpl&);
// We don't implement assignment operator.
MessageDigestImpl& operator==(const MessageDigestImpl&);
public:
~MessageDigestImpl();
static SharedHandle<MessageDigestImpl> sha1();
static SharedHandle<MessageDigestImpl> create(const std::string& hashType);
static bool supports(const std::string& hashType);
static size_t getDigestLength(const std::string& hashType);
size_t getDigestLength() const;
void reset();
void update(const void* data, size_t length);
void digest(unsigned char* md);
};
} // namespace aria2
#endif // D_LIBSSL_MESSAGE_DIGEST_IMPL_H
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