103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
/*
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* Copyright (c) 2010-2012 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 CRYPTO_CRYPTO_HASH_H
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#define CRYPTO_CRYPTO_HASH_H
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#include <set>
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#include <event/action.h>
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#include <event/event_callback.h>
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////////////////////////////////////////////////////////////////////////////////
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// //
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// File: crypto_hash.h //
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// Description: basic encryption machinery //
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// Project: WANProxy XTech //
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// Adapted by: Andreu Vidal Bramfeld-Software //
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// Last modified: 2015-04-01 //
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// //
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////////////////////////////////////////////////////////////////////////////////
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namespace CryptoHash {
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class Method;
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enum Algorithm {
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MD5,
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SHA1,
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SHA256,
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SHA512,
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RIPEMD160,
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};
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class Instance {
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protected:
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Instance(void)
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{ }
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public:
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virtual ~Instance()
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{ }
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virtual bool hash(Buffer *, const Buffer *) = 0;
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//virtual Action *submit(Buffer *, EventCallback *) = 0;
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};
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class Method {
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std::string name_;
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protected:
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Method(const std::string&);
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virtual ~Method()
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{ }
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public:
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virtual std::set<Algorithm> algorithms(void) const = 0;
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virtual Instance *instance(Algorithm) const = 0;
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static const Method *method(Algorithm);
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};
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static inline Instance *instance(Algorithm algorithm)
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{
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const Method *method = Method::method(algorithm);
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if (method == NULL)
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return (NULL);
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return (method->instance(algorithm));
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}
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static inline bool hash(Algorithm algorithm, Buffer *out, const Buffer *in)
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{
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Instance *i = instance(algorithm);
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if (i == NULL)
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return (false);
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bool ok = i->hash(out, in);
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delete i;
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return (ok);
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}
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}
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std::ostream& operator<< (std::ostream&, CryptoHash::Algorithm);
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#endif /* !CRYPTO_CRYPTO_HASH_H */
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