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计算机科学 2003
主动安全技术发展综述Keywords: 主动安全门限密码学数字签名计算机网络网络安全 Abstract: proactivesecurityprovidesamethodformaintainingtheoverallsecurityofasystem,evenwhenindividualcomponentsarerepeatedlybrokenintoandcontrolledbyanattacker.proactivesecurityisanon-trivialextensionof(t+1,n)-thresholdcryptosystems
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