Joseph Mauborgne Proposed an Improvement to the Vernam Cipher That

question 45

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

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Definitions:

Expected Value

The mean of all possible values for a random variable, weighted by their respective probabilities.

Variance

A measure of the dispersion or spread of a set of data points, calculated as the average of the squared differences from the mean.

Point Estimator

A point estimator is a statistic used to estimate the value of an unknown parameter of a population.

Population Parameter

A characteristic or measure that describes an aspect of an entire population, such as its mean, variance, or proportion.