CLEFIA

CLEFIA

CLEFIA

Block cipher

CLEFIA is a proprietary block cipher algorithm, developed by Sony.[2] Its name is derived from the French word clef, meaning "key". The block size is 128 bits and the key size can be 128 bit, 192 bit or 256 bit. It is intended to be used in DRM systems. It is among the cryptographic techniques recommended candidate for Japanese government use by CRYPTREC revision in 2013.

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Standardization

CLEFIA is included in the following standards.

References

  1. [1]
    Tezcan, Cihangir. "The Improbable Differential Attack: Cryptanalysis of Reduced-Round CLEFIA". Proceedings of INDOCRYPT, 2010. Lecture Notes in Computer Science. Springer-Verlag. Archived from the original on 2013-02-03.
  2. [2]
    "Sony Develops "CLEFIA" - New Block Cipher Algorithm Based on State-of-the-art Design Technologies". Retrieved 2007-03-26.
  3. [3]
    "ISO/IEC 29192-2:2019, Information security - Lightweight cryptography - Part 2: Block ciphers".

Further reading


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