Modern Database Management: Chapter 11 Review Question 26

two-common-forms-of-encryption

Question

Explain the two common forms of encryption.

Answer

Two common encryption techniques are one-key encryption and two-key encryption.

One-key Encryption

The data is encrypted, and a key is provided with it to decrypt the data. Here, both the sender and receiver must know the key, which is common for both the sender and receiver. The receiver cannot decrypt the data without the key.

Two-key Encryption

It is otherwise called asymmetric encryption. It uses two keys, a known public key. The public key is used to encrypt the data, and the private key is used to decrypt the data.



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