What are the differences between AES and RSA encryption?

What are the differences between AES and RSA encryption?

AES (Advanced Encryption Standard) is a symmetric encryption algorithm, while RSA (Rivest-Shamir-Adleman) is asymmetric. AES uses the same key for both encryption and decryption, making it faster and suitable for large data. RSA, on the other hand, uses a pair of keys (public and private) and is primarily used for secure key exchange.

Which one is more secure?

Both AES and RSA are considered secure, but they serve different purposes. AES is very secure for encrypting data, while RSA is secure for transmitting keys. However, RSA's security relies on key size; larger keys are more secure but slower.

When should I use AES over RSA?

You should use AES when you need to encrypt large amounts of data quickly. Use RSA when you need to securely exchange keys or establish a secure connection.

Can you explain how AES encryption works?

Sure! AES encryption works by dividing the data into blocks and applying a series of transformations using a secret key. It involves multiple rounds of substitution, permutation, and mixing to ensure data security.