Finally, some newly presented public key systems, such as public key cryptosystem based on braid group and quantum cryptosystem, are briefly introduced.
最后我们简单的介绍了最近所提出的一些公钥密码体制如基于辫群的密码体制，量子公钥密码体制等。
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。
For sham operation group, expose heart by surgery and find left anterior descending (LAD) coronary artery, and then braid to make a ringer but remain the silk untensioned;
开胸暴露心脏后找到左冠前降支（LAD）穿线做套环，但不收紧结扎线；
For sham operation group, expose heart by surgery and find left anterior descending (LAD) coronary artery, and then braid to make a ringer but remain the silk untensioned;
开胸暴露心脏后找到左冠前降支（LAD）穿线做套环，但不收紧结扎线；
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