Why digital certificate? скачать в хорошем качестве

Why digital certificate?

Digital Signature:    • What is digital signature?   Digital signature is used for authentication, non-repudiation and data integrity, but there is one weakness of digital signature alone: man-in-the-middle attack. Digital certificates are electronic credentials issued by a trusted third party. A digital certificate not only verifies the identity of the owner, but also verifies that the owner owns the public key. In this video, I will demonstrate why digital signature has weakness and how digital certificate comes in place to make sure digitally signed document must come originally from the claimed sender. Advanced Cryptography:    • What is digital signature?   Playlist: Basic Cryptography    • Private Key Encryption (Symmetric Key Encr...   Please leave comments, questions and please subscribe! Sunny Classroom