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Differentiate between symmetric key cryptography & public key cryptography.

written 5.8 years ago by teamques10 ★ 69k

•   modified 5.8 years ago

Subject: Mobile Computing

Difficulty: Medium

Marks: 4 Marks

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mobile computing

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written 5.8 years ago by teamques10 ★ 69k

•   modified 5.8 years ago

Sr No.	Symmetric key cryptography	Public key cryptography.
1	Also called as private key	Also called as asymmetric key
2	Only one key is used:Private key	Two keys are used: Public and private
3	The key is kept secret	Public key is freely available to all, while private key is a secret key
4	Same key is used for encryption and decryption.	One key is used for encryption while other is decryption.
5	Faster than public key cryptography	Slower than symmetric key cryptography
6	It is used for encrypting small or large messages.	It is used for encrypting small messages.

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