Analysis and Improvements of the Full Spritz Stream Cipher

• Main Authors: Banik, Subhadeep, Isobe, Takanori, Morii, Masakatu
• 其他作者: Temasek Laboratories
• 格式: Article
• 語言: English
• 出版: 2017
• 主題: RC4; Spritz
• 在線閱讀: https://hdl.handle.net/10356/81487; http://hdl.handle.net/10220/43486
• 機構: Nanyang Technological University

Spritz is a stream cipher proposed by Rivest and Schuldt at the rump session of CRYPTO 2014. It is intended to be a replacement of the popular RC4 stream cipher. In this paper we propose distinguishing attacks on the full Spritz, based on a short-term bias in the first two bytes of a keystream and a...