Simple insights into Public-key cryptosystem and Digital certificate

Simple insights into Public-key cryptosystem and Digital certificate:

a) Public-key cryptosystem and MITM (Man-in-the-middle attack):

D0001

 

b) Digital signature and MITM:

D002.2

 

c) PKI (Public-key infrastructure) and CA (Certification Authority):

D003

 

d) Digital certificate (S send Public-key to C):

D004

 

Reference:

(1) 陳彩華(譯)(2017). 演算法圖鑑. (原作: 石田保輝, 宮崎修一). 臺北市: 臉譜出版.
(2) 認識 PKI 架構下的數位憑證格式與憑證格式轉換的心得分享 https://blog.miniasp.com/post/2018/04/21/PKI-Digital-Certificate-Format-Convertion-Notes.aspx