Kerberos is a network authentication protocol originally developed by MIT that provides mutual authentication using symmetric keys.

Kerberos是一种网络认证协议，最初由MIT开发，使用对称密匙实现相互认证。

youdao

SSL protocol USES symmetric encryption, asymmetric encryption, message digest, digital signature, digital certificate and other cryptographic techniques.

SSL协议采用了对称加密、非对称加密、信息摘要、数字签名、数字证书等密码学技术。

youdao

EKE is a kind of key exchange protocol based on week password and can resist offline dictionary attacks by use of symmetric key encryption and public key encryption.

EKE协议是基于弱口令的密钥交换协议，通过使用对称密钥加密体制和公钥加密体制，能够很好地抵抗离线字典攻击。

youdao