September 22, 2026
2.3 Symmetric and Asymmetric Encryption
Data Confidentiality and Cryptography Transforming plaintext into unreadable ciphertext to prevent eavesdropping and data interception. Symmetric Encryption: Uses a single secret key for both encryption and decryption. Fast, but presents a key exchange vulnerability. Asymmetric Encryption: Uses mathematically linked key pairs: a Public Key (freely distributed to encrypt data) and a Private Key (kept secret […]