What are Digital Signatures and its uses?

A digital signature is an electronic quite than a written signature which can be used through someone to authenticate the identity of the sender of the signer or of a message of a document.

This can also be used to make sure that the original content of the message or document which has been conveyed is not changed yet.

Further benefits to the utilization of a digital signature are that this is simply transportable, cannot be simply repudiated, can’t be imitated through someone else, and it can be automatically time-stamped.

This signature can be used along with any type of message, whether this is encrypted or not, easily so that the receiver can be ensure of the sender's identity and which the message arrived intact there.

A digital certificate consists of the digital signature of the certificate-issuing authority therefore anyone can verify about the certificate realty.