## Discussion Cryptography

Write 400–600 words that respond to the following questions:

- What are cryptography and cryptanalysis?
- What is earlier reason for the use of cryptography?
- Fermat’s theorem and Euler’s theorem are the two theorems that play important roles in public-key cryptography. Explain each theorem in details their roles in public-key cryptography.
- Explain the Chinese Remainder Theorem that have been discovered by the Chinese mathematician Agrawal in 100 A.D.

Respond to at least 2 of your fellow classmates with at least a 100-word reply.

Please note:

- Be in APA format including your references.
- Be 400–600 words long (not including title and references).
- Do not re-state the questions.
- Include two sources (i.e. two references)

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