Elizabeth Wright
Abstract
A digital signature (DS) is a mathematical scheme for demonstrating the authenticity of a digital message or document. A valid digital signature gives a recipient reason to believe that the message was created by a known sender, such that the sender cannot deny having sent the message and that the message was not altered in transit. DS are commonly used for software distribution, financial transactions, and in other cases where it is important to detect forgery or tampering [1].
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