Cryptology ePrint Archive: Report 2010/254

Cryptanalysis of XXTEA

Elias Yarrkov

Abstract: XXTEA, or Corrected Block TEA, is a simple block cipher in Roger Needham and David Wheeler's TEA series of algorithms. We describe a chosen plaintext attack for XXTEA using about $2^{59}$ queries and negligible work.

Category / Keywords: secret-key cryptography / block ciphers, differential cryptanalysis

Date: received 3 May 2010

Contact author: yarrkov at gmail com

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Version: 20100504:144842 (All versions of this report)

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