perfect-forward secrecy

基本解釋

The protocol can provide identity authentication, key validation, perfect forward secrecy, and foil man-in-the-middle attacks.
該協(xié)議提供身份認(rèn)證、密鑰確認(rèn)、完美前向安全性，并能夠防止中間人攻擊。
Ephemeral DH is valued because it provides perfect forward secrecy -- the session keys cannot be recovered if the authentication method is broken (e.g., someone retrieves the server's private key).
EDH的價值在于它能夠提供完美前向隱藏--當(dāng)驗證方式被破壞的情況下，狀態(tài)密鑰不會被覆蓋(比如，當(dāng)有人獲取服務(wù)器私有密鑰的情況)。