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Encryption Overview - Coggle Diagram
Encryption Overview
Vernam Cipher
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Encoding
- Convert plaintext to ASCII
- Convert key to ASCII
- Perform XOR operation on message and key, output is ciphertext
Decoding
- Convert ciphertext to ASCII
- Convert key to ASCII
- Perform XOR operation on ciphertext and key, output is the plaintext
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Caesar Cipher
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When the numbers inevitably become out of range for the letters they represent they can be wrapped around to the start
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Breaking the cipher
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Frequency analysis can be used as some letters are more commonly used than others in the English language
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