Symmetric encryption Flashcards
1
Q
What is symmetric encryption?
A
Encryption where the same key is used to encrypt and decrypt.
2
Q
What is a block cipher?
A
Encrypts data in fixed-size blocks.
3
Q
What is AES?
A
Advanced Encryption Standard, a modern symmetric block cipher.
4
Q
What is the function of XOR in encryption?
A
Combines plaintext with key to produce ciphertext.