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提出基于公钥密码系统的门限密码学意义上的密钥托管方案的一个一般模式 ,并给出基于一个改进的RSA算法的具体的设计 .讨论表明 ,设计的方案解决了用户的密钥完全依赖于可信赖的托管机构的问题 .
A general model of key escrow scheme based on threshold cryptography of public-key cryptosystems is proposed, and a specific design based on an improved RSA algorithm is given. The discussion shows that the proposed scheme solves the problem that user’s key is completely dependent The problem with trusted hosting agencies.