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PRESENT (cipher)

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Title: PRESENT (cipher)  
Author: World Heritage Encyclopedia
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Subject: Cobra ciphers, Xor-encrypt-xor, Lai-Massey scheme, BEAR and LION ciphers, Chiasmus (cipher)
Publisher: World Heritage Encyclopedia

PRESENT (cipher)

Designers Orange Labs, Ruhr University Bochum and the Technical University of Denmark
First published 2007-08-23
Cipher detail
Key sizes 80 or 128 bits
Block sizes 64 bits
Structure SPN
Rounds 31

PRESENT is a new ultra lightweight International Electrotechnical Commission included PRESENT in the new international standard for lightweight cryptographic methods.[2][1]


  1. ^ a b Katholieke Universiteit Leuven. "Ultra-lightweight encryption method becomes international standard". Retrieved 2012-02-28. 
  2. ^ ISO. "ISO/IEC 29192-2:2012". Retrieved 2012-02-28. 

External links

  • PRESENT: An Ultra-Lightweight Block Cipher
  • Software Implementations in C and Python
  • C implementation
  • Talk slides from Cryp­to­gra­phic Hard­ware and Em­bed­ded Sys­tems
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