How SSL certificate works?

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When we are online shopping or banking, we want to make sure it is HTTPS, and a green padlock icon is in the address bar. What does HTTPS mean? What is significant about that small green padlock? To answer these two questions, we need to understand SSL certificate and how it works.

Playlist: Advanced Cryptography/Public Key Infrastructure
What is digital signature?

Playlist:  Basic Cryptography
Private Key Encryption (Symmetric Key...


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