This might involve key escrow, back doors into a system, or other methods.
这可能涉及密钥契约、在系统中开后门或其它方法。
Inspired by the key escrow, a scheme of private key management is designed.
借鉴密钥托管的思想，设计了一个私钥管理方案。
There are two kinds of traditional key recovery: key escrow and key encapsulation.
传统的密钥恢复主要有两种类型：密钥托管和密钥封装。
Thus the encrypted key escrow technology must be adopted and it must be of security.
此时需采用密钥托管技术，而且密钥托管必须是安全的。
Certificateless public key cryptography resolves the key escrow problem and public key authentication problem.
无证书公钥密码体制解决了密钥托管问题和公钥认证问题。
Certificateless public key cryptography resolves the key escrow problem and public key authentication problem.
无证书公钥密码体制解决了密钥托管问题和公钥认证问题。
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