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SM4 Block Cipher
Designers Chinese Government
First published 2006 (declassified),(standardized in March 21, 2012)
Key sizes 128 bits
Block sizes 128 bits
Structure unbalanced Feistel network
Copyright (C) 2017 Odzhan. All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
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