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72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_BLOWFISH_H_INCLUDED
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#define JUCE_BLOWFISH_H_INCLUDED
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//==============================================================================
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/**
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BlowFish encryption class.
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*/
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class JUCE_API BlowFish
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{
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public:
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//==============================================================================
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/** Creates an object that can encode/decode based on the specified key.
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The key data can be up to 72 bytes long.
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*/
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BlowFish (const void* keyData, int keyBytes);
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/** Creates a copy of another blowfish object. */
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BlowFish (const BlowFish& other);
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/** Copies another blowfish object. */
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BlowFish& operator= (const BlowFish& other) noexcept;
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/** Destructor. */
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~BlowFish() noexcept;
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//==============================================================================
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/** Encrypts a pair of 32-bit integers. */
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void encrypt (uint32& data1, uint32& data2) const noexcept;
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/** Decrypts a pair of 32-bit integers. */
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void decrypt (uint32& data1, uint32& data2) const noexcept;
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private:
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//==============================================================================
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uint32 p[18];
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HeapBlock <uint32> s[4];
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uint32 F (uint32) const noexcept;
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JUCE_LEAK_DETECTOR (BlowFish)
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};
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#endif // JUCE_BLOWFISH_H_INCLUDED
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