[Resource Topic] 2008/353: Weaknesses in HENKOS Stream Cipher

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Title:
Weaknesses in HENKOS Stream Cipher

Authors: Prasanth Kumar Thandra, S. A. V. Satya Murty, R Balasubramanian

Abstract:

HENKOS is a synchronous stream cipher posted by Marius Oliver Gheorghita to eprint. In this paper we are going to present some weaknesses in the cipher. We first present a chosen IV attack which is very straight forward attack on the cipher. Second we present a group of weak keys.

ePrint: https://eprint.iacr.org/2008/353

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