111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
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/*
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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_ENCRYPTION_H
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#define CRYPTO_CRYPTO_ENCRYPTION_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_encryption.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 CryptoEncryption {
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class Method;
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enum Algorithm {
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TripleDES,
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AES128,
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AES192,
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AES256,
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Blowfish,
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CAST,
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IDEA,
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RC4,
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};
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enum Mode {
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CBC,
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CTR,
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Stream,
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};
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typedef std::pair<Algorithm, Mode> Cipher;
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enum Operation {
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Encrypt,
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Decrypt,
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};
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class Session {
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protected:
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Session(void)
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{ }
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public:
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virtual ~Session()
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{ }
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virtual unsigned block_size(void) const = 0;
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virtual unsigned key_size(void) const = 0;
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virtual unsigned iv_size(void) const = 0;
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virtual Session *clone(void) const = 0;
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virtual bool initialize(Operation, const Buffer *, const Buffer *) = 0;
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virtual bool cipher(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<Cipher> ciphers(void) const = 0;
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virtual Session *session(Cipher) const = 0;
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static const Method *method(Cipher);
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};
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}
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std::ostream& operator<< (std::ostream&, CryptoEncryption::Algorithm);
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std::ostream& operator<< (std::ostream&, CryptoEncryption::Mode);
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std::ostream& operator<< (std::ostream&, CryptoEncryption::Cipher);
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#endif /* !CRYPTO_CRYPTO_ENCRYPTION_H */
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