A new key-insulated signature scheme

被引：0
作者：
González-Deleito, N [1 ]
Markowitch, O [1 ]
Dall'Olio, E [1 ]
机构：
[1] Free Univ Brussels, B-1050 Brussels, Belgium
来源：
INFORMATION AND COMMUNICATIONS SECURITY, PROCEEDINGS | 2004年 / 3269卷
关键词：
key-insulation; forward-security; signature schemes;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper we propose a new strong and perfectly key insulated signature scheme, more efficient than previous proposals and whose key length is constant and independent of the number of insulated time periods. Moreover, unlike previous schemes, it becomes forward secure when all the existing secrets at a given time period are compromised. We also present a variant forward-secure scheme in which an adversary needs to compromise a user at a second time period before being able to compute future secret keys.
引用
收藏
页码：465 / 479
页数：15
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