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24 June, 19:06

How does the author's discussion of code-breaking contribute to an understanding of Grotjan's skills?

-common lit - "Cracking code purple"

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  1. 24 June, 19:15
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    In understanding Grotjan's skills, the author's discussion of code-breaking revealed that coded messages are made up of numbers and letters in a pattern. Each of the symbol in the pattern usually represent a letter. Whenever the machine moves, a letter tends to move and a symbol stands out for something different. This makes such code difficult to solve, decipher and decode.

    In order to break the codes, cryptanalysts use guess work. They try out a combination of letters.

    For example, in cracking Japan's diplomatic coded messages, cryptanalysts used a combination of letters from this Japanese popular saying: "I have the honour to inform Your Excellency".

    They tried out a combination of letters through guessing.

    Explanation:

    Grotjan's discovery in World War II led to the development of a Purple Cipher machine which was built by SIS and the U. S Navy. It was used to read and decode Japan's most diplomatic messages. People saw the breaking of Japan's diplomatic coded messages as a "magic".

    "Cracking Code Purple" is an informational text written by Ann Ouchychy. It reveals the impact of Genevieve Grotjan, a female code breaker during World War II.
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