The user's software creates a message digest for the digital certificate and decrypts the encrypted message digest included within the digital certificate.
A digital signature is a mathematical technique used to validate the authenticity and integrity of message, software or digital document...A digital signature is a mathematical process for showing the authenticity of a digital message or a document. Digital signatures are commonly used for software distribution, financial transactions and in many other important works. A signing algorithm of a message and a private key which produces a signature.
Asymmetric encryption is known to be a kind of public key encryption, but and it is one that is made up of key pair.They are the public key and the private key and as such, In the digital signature technique when the whole message is signed using an asymmetric key, The sender of the message uses his or her own private key to sign the message.
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