written 5.4 years ago by
teamques10
★ 66k
|
• modified 5.4 years ago |
Subject: Mobile Computing
Difficulty: Medium
Marks: 4 Marks
|
written 5.4 years ago by
teamques10
★ 66k
|
• modified 5.4 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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