An RSA Cipher Has Public Key Pq = 65 and E

question 6

Essay

An RSA cipher has public key pq = 65 and e = 7.
(a) Translate the message YES into its numeric equivalent, and use the formula $C = M ^ { e }$ (mod pq) to encrypt the message.
(b) Decrypt the ciphertext 50 16 and translate the result into letters of the alphabet to discover the message.

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Definitions:

Money

A medium of exchange in the form of banknotes and coins, used to facilitate transactions for goods and services.

Primed

The psychological state of being prepped or conditioned to respond in a particular way to certain stimuli.

Participants

Individuals who take part in a study or experiment, contributing data through their involvement.

Encoding Specificity Principle

The theory that memory retrieval is most effective when the conditions at the time of encoding (such as environment or mental state) match those at the time of retrieval.