A key recovery attack on Edon80

Authors:
Martin Hell;Thomas Johansson
Affiliations:
Dept. of Electrical and Information Technology, Lund University, Lund, Sweden;Dept. of Electrical and Information Technology, Lund University, Lund, Sweden
Venue:
ASIACRYPT'07 Proceedings of the Advances in Crypotology 13th international conference on Theory and application of cryptology and information security
Year:
2007

Citing 1
Cited 1

Period of streamcipher Edon80

INDOCRYPT'05 Proceedings of the 6th international conference on Cryptology in India

The Stream Cipher Edon80

New Stream Cipher Designs

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Abstract

Edon80 is a recent stream cipher design that has advanced to the third and last phase of the eSTREAM project. It has remained unbroken and untweaked since it was designed and submitted to eSTREAM. It is now one of the 8 final hardware candidates. In this paper we cryptanalyze the cipher by describing a key recovery attack. The complexity of the attack is around 269 simple operations for a keystream of similar length.