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A digital signature is equivalent to a handwritten signature in paper, and a digital signature serves three basic purposes. Digital signature is commonly used for software distribution, financial transactions and other cases where it is important to detect forgery. Digital signatures are very popular with e-mail users.

In this video, I will talk about the digital, uses, and the whole process of creating and sending digitally signed document over the Internet.

Keep in mind, digital signature is not about encrypting document, just like paper-based signature.

Playlist: Basic Cryptography
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Advanced Cryptography:
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