A Comprehensive Study of Cryptography and Digital Signature

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Provided by: IJAIR
Topic: Security
Format: PDF
Signature is a mark or sign on a document, commonly used to denote acceptance and approval which is considered adequate to validate for future reference. Thus legal, financial and other documents are determined to be authentic by presence and absence of signatures which makes it most critical in itself. Thus with the advancement in the computerized system where physical paper and ink is replaced with highly advanced electronic data transfer media digital signatures ensures privacy. Digital Signatures is a sort of cryptography which deals with encryption, decryption and authentication of data so as to provide a high level of assurance to the involved parties that the e-signature is genuinely the signer's, and that the electronic document (or the e-contract) is authentic.
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