%0 Journal Article
%T A Survey of Proactive Security<br>主动安全技术发展综述
%A TENG Meng ZOU Peng WANG Huai-Ming
%A <br>滕猛
%A 邹鹏
%A 王怀民
%J 计算机科学
%D 2003
%I 
%X Proactive security provides a method for maintaining the overall security of a system,even when individual components are repeatedly broken into and controlled by an attacker. Proactive security is a non-trivial extension of (t + 1 ,n)-threshold cryptosystems,where shares are periodically renewed (without changing the secret) in such a way that information gained by the adversary in one time period is useless for attacking the secret after the shares are renewed. In this paper, we describe the proactive approach and review some basic technologies. We also report the problems need to be study.
%K Proactive security
%K Threshold cryptographic
%K Proactive secret sharing
%K Adaptive-secure<br>主动安全
%K 门限密码学
%K 数字签名
%K 计算机网络
%K 网络安全
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=46BA8F7E36B06CF0&yid=D43C4A19B2EE3C0A&vid=340AC2BF8E7AB4FD&iid=B31275AF3241DB2D&sid=DB817633AA4F79B9&eid=340AC2BF8E7AB4FD&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=21