Weaknesses in HENKOS Stream Cipher

Prasanth Kumar Thandra; S. A. V.  Satya Murty; R Balasubramanian

Paper 2008/353 Original: eprint.iacr.org/2008/353 ↗

Weaknesses in HENKOS Stream Cipher

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.

Metadata

Available format(s): PDF
Category: Secret-key cryptography
Publication info: Preprint.
History: 2008-08-13: last updated; 2008-08-13: published
Short URL: https://ia.cr/2008/353
License: https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2008/353,
      author = {Prasanth Kumar Thandra and S. A. V.  Satya Murty and R Balasubramanian},
      title = {Weaknesses in HENKOS Stream Cipher},
      howpublished = {Cryptology {ePrint} Archive, Paper 2008/353},
      year = {2008},
      url = {https://eprint.iacr.org/2008/353}
}