A new hierarchical identity based (ID-based) cryptosystem is proposed, including hierarchical ID-based encryption and signature.
提出一个基于分级身份的密码系统：包括分级的基于身份的加密和签名方案。
A new hierarchical identity based (ID-based) cryptosystem is proposed, including hierarchical ID-based encryption and signature.
提出一个基于分级身份的密码系统：包括分级的基于身份的加密和签名方案。
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