When two different keys encrypt a plaintext message into the same ciphertext, this situation is
known as:
A.
Cryptanalysis.
B.
Public key cryptography.
C.
Hashing.
D.
Key clustering.
Explanation:
The correct answer is “Key clustering” Answer “Public key cryptography” describes a type of
cryptographic system using a public and a private key; answer Cryptanalysis is the art/science of
breaking ciphers; answer Hashing is the conversion of a message of variable length into a fixedlength message digest.