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Old 10-13-2016, 05:09 AM   #29
saravjeet
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Join Date: Oct 2016
Posts: 118
A digital signature is a mathematical scheme for demonstrating the authenticity of a digital message or documents. A valid digital signature gives a recipient reason to believe that the message was created by a known sender, that the sender cannot deny having sent the messages, and that the message was not altered in transit .

Digital signatures are a standard element of most protocol suites, and are commonly used for software distribution, financial transactions, contract management software, and in other cases where it is important to detect forgery or tampering.
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