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Difference between Private Key and Public Key
| Key | Private Key | Public Key |
|---|---|---|
| Algorithm | Private key is used for both encrypting and decrypting the sensitive data. It is shared between the sender and receiver of encrypted data. | Public key is used only for the purpose of encrypting the data. |
| Performance | The private key mechanism is faster. | The public key mechanism is slower. |
| Secrecy | The private key is kept secret and not public to anyone apart from the sender and the receiver. | The public key is free to use and the private key is kept secret only. |
| Type | The private key mechanism is called "symmetric" because a single key is shared between two parties. | The public key mechanism is called "asymmetric" because there are two keys for different purposes. |
| Sharing | The private key is to be shared between two parties. | The public key can be used by anyone but the private key is to be shared between two parties only. |
| Targets | Performance testing checks the reliability, scalability, and speed of the system. |
