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What is CSR (Certificate Signing Request) ?

A digital certificate contains identifiable information, such as a user’s name, company, or department and a device’s Internet Protocol (IP) address or serial number. Digital certificates contain a copy of a public key from the certificate holder, which needs to be matched to a corresponding private key to verify it is real.



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What is Digital Signature?

Just as a handwritten signature is affixed to a printed letter for verification that the letter originated from its purported sender, digital signature performs the same task for an electronic message. A digital signature is an encrypted version of a message digest, attached together with a message. A secure digital signature system consists of two parts:


A method of signing a document such that forgery is detected, and A method of verifying that a signature was actually gene... ...


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