75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
/*
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* Copyright (c) 2011-2012 Juli Mallett. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef SSH_SSH_MAC_H
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#define SSH_SSH_MAC_H
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#include <crypto/crypto_mac.h>
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namespace SSH {
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struct Session;
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class MAC {
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protected:
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const std::string name_;
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const unsigned size_;
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const unsigned key_size_;
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MAC(const std::string& xname, unsigned xsize, unsigned xkey_size)
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: name_(xname),
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size_(xsize),
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key_size_(xkey_size)
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{ }
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public:
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virtual ~MAC()
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{ }
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std::string name(void) const
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{
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return (name_);
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}
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unsigned size(void) const
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{
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return (size_);
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}
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unsigned key_size(void) const
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{
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return (key_size_);
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}
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virtual MAC *clone(void) const = 0;
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virtual bool initialize(const Buffer *) = 0;
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virtual bool mac(Buffer *, const Buffer *) = 0;
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static void add_algorithms(Session *);
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static MAC *algorithm(CryptoMAC::Algorithm);
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};
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}
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#endif /* !SSH_SSH_MAC_H */
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