GTU Information and Network Security ( INS ) in python .
Sample Inputs:
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Caesar cipher: Mode : "encrypt" / "decrypt" | Message : hello | Key: 5
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MonoAlphabetic Cipher: (Key is not dynamic) | Mode : "encrypt" / "decrypt" | Message : Hello
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Play-Fair Cipher: Mode : "encrypt" / "decrypt" | Message: hello | Key: world
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Polyaphabetic Cipher: Mode : "encrypt" / "decrypt" | Message :Hello World
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Hill Cipher: Mode : "encrypt" / "decrypt" | Key: HIFF | Message: hello
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Diffe-Hellman: Any numeric value.