What uses a key of the same length as the message where each bit or character from the plaintext is encrypted by a modular addition?
A. Cipher block chaining
B. Running key cipher
C. Steganography
D. One-time pad
Answer:D
What uses a key of the same length as the message where each bit or character from the plaintext is encrypted by a modular addition?
A. Cipher block chaining B. Running key cipher C. Steganography D. One-time pad
Explanation: Explanation/Reference: