SSH取代帳號密碼登入的金鑰驗證流程 - Linux

By Aaliyah
at 2016-12-12T17:57
at 2016-12-12T17:57
Table of Contents
https://suweishun.gitbooks.io/2015summerhw/content/sshssl.html
如上所說:
---------------------------------------------------
金鑰的安全驗證:
客戶端產生金鑰,把公鑰放在存取的伺服器端上。當伺服器收到客戶端請求金鑰安全驗證時,
就比對使用者目錄加的公鑰與客戶端傳送過來的公鑰是否相同,
若相同則用公鑰加密「質詢」,並把它傳送給客戶端。
---------------------------------------------------
請問:「質詢」是指甚麼?感覺後半段沒有說清楚,
公鑰人人皆可得,那這樣別人拿我的公鑰也可登入,豈不是不安全?
有人可以解釋一下,謝謝,因為我想捨棄傳統telnet改用SSH,但有些地方不清楚。
--
如上所說:
---------------------------------------------------
金鑰的安全驗證:
客戶端產生金鑰,把公鑰放在存取的伺服器端上。當伺服器收到客戶端請求金鑰安全驗證時,
就比對使用者目錄加的公鑰與客戶端傳送過來的公鑰是否相同,
若相同則用公鑰加密「質詢」,並把它傳送給客戶端。
---------------------------------------------------
請問:「質詢」是指甚麼?感覺後半段沒有說清楚,
公鑰人人皆可得,那這樣別人拿我的公鑰也可登入,豈不是不安全?
有人可以解釋一下,謝謝,因為我想捨棄傳統telnet改用SSH,但有些地方不清楚。
--
Tags:
Linux
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