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* aria2 - The high speed download utility
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* Copyright (C) 2010 Tatsuhiro Tsujikawa
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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#ifndef D_LIBSSL_MESSAGE_DIGEST_IMPL_H
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#define D_LIBSSL_MESSAGE_DIGEST_IMPL_H
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#include <openssl/evp.h>
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class MessageDigestImpl {
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MessageDigestImpl(const EVP_MD* hashFunc);
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// We don't implement copy ctor.
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MessageDigestImpl(const MessageDigestImpl&) = delete;
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// We don't implement assignment operator.
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MessageDigestImpl& operator==(const MessageDigestImpl&) = delete;
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static std::unique_ptr<MessageDigestImpl> sha1();
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static std::unique_ptr<MessageDigestImpl> create
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(const std::string& hashType);
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static bool supports(const std::string& hashType);
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static size_t getDigestLength(const std::string& hashType);
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size_t getDigestLength() const;
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void update(const void* data, size_t length);
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void digest(unsigned char* md);
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const EVP_MD* hashFunc_;
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#endif // D_LIBSSL_MESSAGE_DIGEST_IMPL_H