What do you mean by symmetric and asymmetric encryption techniques? Differentiate between them.

Subject Computer and Network Security
NU Year Set: 1.(b) Marks: 2+4=6 Year: 2017

Asymmetrical encryption is also known as public key cryptography, which is a relatively new method, compared to symmetric encryptionAsymmetric encryption uses two keys to encrypt a plain text. Secret keys are exchanged over the Internet or a large network. It ensures that malicious persons donot misuse the keys.

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