International Association for Cryptologic Research

International Association
for Cryptologic Research

CryptoDB

Weaknesses in HENKOS Stream Cipher

Authors:
Prasanth Kumar Thandra
S.A.V. Satya Murty
R Balasubramanian
Download:
URL: http://eprint.iacr.org/2008/353
Search ePrint
Search Google
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.
BibTeX
@misc{eprint-2008-18030,
  title={Weaknesses in HENKOS Stream Cipher},
  booktitle={IACR Eprint archive},
  keywords={secret-key cryptography / synchronous stream ciphers, weak keys/ related keys, chosen IV attack.},
  url={http://eprint.iacr.org/2008/353},
  note={ prasanth@igcar.gov.in 14104 received 13 Aug 2008},
  author={Prasanth Kumar Thandra and S.A.V. Satya Murty and R Balasubramanian},
  year=2008
}