Breaking the IOC Authenticated Encryption Mode

被引:0
|
作者
Bottinelli, Paul [1 ]
Reyhanitabar, Reza [1 ]
Vaudenay, Serge [1 ]
机构
[1] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland
来源
关键词
authenticated encryption; confidentiality; integrity; block cipher; existential forgery; NOTIONS;
D O I
暂无
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
In this paper we cryptanalyse a block cipher mode of operation, called Input Output Chaining (IOC), designed by Recacha and submitted to NIST in 2013 for consideration as a lightweight authenticated encryption mode. We present an existential forgery attack against IOC which makes only one chosen message query, runs in a small constant time, and succeeds with an overwhelming probability 1 - 3 x 2(-n), where n is the block length of the underlying block cipher. Therefore, this attack fully breaks the integrity of IOC.
引用
收藏
页码:126 / 135
页数:10
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