It seems that braid group is a kind of considerable public key cryptography platform, but current key agreement protocols, such as AAG, AAFG and BDH, all have different degrees of security weaknesses.

辫子群是一种新兴的适用于量子计算机时代的公钥密码平台，但是目前基于辫子群的密钥协商协议AAG、AAFG和BDH等都有不同程度的安全弱点。

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