Question

Differenticate digital signatures and digital certificates.

Answer 1

Digital signatures	Digital certificates
A digital signature is a mechanism that is used to verify that a particular digital document, message, or transaction is authentic.	A digital certificate is a computer file which officially ap­proves the relation between the holder of the certificate and a particular public key.
Digital signatures are used to verify the trustworthiness of the data being sent	Digital certificates are used to verify the trustworthiness of the sender
A digital signature is to ensure that data remains secure from the point it was issued and it was not modified by a third party.	A digital certificate binds a digital signature to an entity
It provides authentication, non-repudiation, and in­tegrity	It provides authentication and security
A digital signature is created using a Digital Signa­ture Standard (DSS). I use an SHA-1 or sha-2 algo­rithm for encrypting and decrypting the message.	A digital certificate works on principles of public-key cry- pyrography standards (PKCS). It creates a certificate in the X.509 or PGP format.
The document is encrypted at the sending end and decrypted at the receiving end using asymmetric keys.	A digital certificate consists of the certificate’s owner name and public key, expiration date, a certificate Authority’s name, a Certificate Authority’s digital signature