****NO PLAIGARISM***Task1: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.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).Task2:Use the Library and other internet resources to research for information about the history of Cryptography. Write a 2–4 pages research paper answering these questions.List and describe a few major applications of cryptography in the modern world?hat are the major threats to any data or information for which it needs cryptography? Explain with examples.What type of information can be secured with Cryptography?In case a Cryptography tool is not available, and you need to send a secret information, would you proceed or wait till the presence of tool? Explain with examples.Please note:Apply APA format on your academic writings.provide 2-3 pages long (not including title and references) as a word document.Include title page, table of content page.Use time new roman or Arial as font type.Use 12 a font size.Use double spaces.Add running head to the upper left corner of your document.Add page numbers to the upper right corner of your document.Add a references page to the end of your document.Do not re-state the questions.Make you own titles and subtitles.Include at least two sources (i.e. two references) and use them within your in-text citation.