IGCSE Encryption Flashcard

Front

Which type of encryption uses the same key for both encryption and decryption?

Back

Symmetric encryption

Front

Asymmetric encryption

Back

A method of encryption that uses a pair of keys to encrypt and decrypt data

Front

Which type of encryption uses a pair of keys for encryption and decryption?

Back

Asymmetric encryption

Front

What is public key cryptography?

Back

A method of encryption that uses two keys - a public key for encryption and a private key for decryption

Front

How does public key cryptography differ from symmetric encryption?

Back

Public key cryptography uses two different keys for encryption and decryption.

Front

What are the advantages of asymmetric encryption?

Back

Secure communication, digital signatures, key exchange

Front

What are the disadvantages of symmetric encryption?

Back

Key distribution issues and the need for secure key exchange

Front

What are the disadvantages of asymmetric encryption?

Back

Slower performance and higher computational resources