40. If you want to secure a message, use a(n): A. Cryptology source B. Encryption key C. Encryption software package D. Cryptosystem
Answer: Option D Solution: A cryptosystem is a structure or scheme consisting of a set of algorithms that converts plaintext to ciphertext to encode or decode messages securely. To help keep data secure, cryptosystems incorporate the algorithms for key generation, encryption and decryption techniques.
