摘要
TAE(tweakable authenticated encryption)模式是一种基于可调分组密码的加密认证模式.研究结果表明,安全的可调分组密码不是安全的TAE模式的充分条件.只有当可调分组密码是强安全的时候,TAE模式才是安全的.同时,还给出了TAE模式的一些改进,得到模式MTAE(modified tweakable authenticat edencryption),并且证明了其安全性.
The TAE (tweakable authenticated encryption) mode is.an aut.hentieated encryption mode which is based on a tweakable block cipher. Previous research results show that the secure tweakable block cipher is not sufficient for the security of the authenticated encryption TAE mode. Only when the tweakable block cipher is strong will the TAE be secure. Some improvements to the TAE mode are also given in this paper, resulting in a MTAE (modified tweakable authenticated encryption) mode with security proof.
出处
《软件学报》
EI
CSCD
北大核心
2006年第2期333-338,共6页
Journal of Software
基金
国家自然科学基金
国家重点基础研究发展规划(973)
国家杰出青年科学基金~~
关键词
加密认证
分组密码
TAE模式
可调分组密码
authenticated encryption
block cipher
TAE (tweakable authenticated encryption) mode
tweakable block cipher