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Twofish is a 128-bit symmetric key block cipher.
Designers Bruce Schneier
First published 1998
Derived from Blowfish, SAFER, Square
Related to Threefish
Certification AES finalist
Key sizes 128, 192 or 256 bits
Block sizes 128 bits
Structure Feistel network
Copyright (C) 2016 Odzhan, Peter Ferrie
Copyright (C) 2001, 2014 Marc Schoolderman
All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
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documentation and/or other materials provided with the distribution.
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derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AUTHORS "AS IS" AND ANY EXPRESS OR
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