Multiple Choice
Joseph Mauborgne proposed an improvement to the Vernam cipher that uses a random key that is as long as the message so that the key does not need to be repeated.the key is used to encrypt and decrypt a single message and then is discarded.Each new message requires a new key of the same length as the new message.this scheme is known as a(n) __________ .
A) pascaline
B) one-time pad
C) polycipher
D) enigma
Correct Answer:
Verified
Correct Answer:
Verified
Q35: One of the simplest and best known
Q36: All encryption algorithms are based on two
Q37: the earliest known, and simplest use, of
Q38: the _ consist of a set of
Q39: the _ takes the ciphertext and the
Q40: A _ attack involves trying every possible
Q41: On average, half of all possible keys
Q42: If both sender and receiver use the
Q43: the most widely used cipher is the
Q44: the process of converting from plaintext to