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1 . Download Cryptool 2 Software. Familiarise yourself with the interface and look at some of the ready - made examples and tutorials on classical

1. Download Cryptool 2 Software. Familiarise yourself with the interface and look at some of the ready-made examples and tutorials on classical ciphers.
2. This ciphertext was produced using mono-alphabetic substitution cipher. Use letter frequency analysis to find the original message and the encryption key (i.e. substitution map).
3. The image provided has a text message embedded in it using LSB steganography with the password welcome. Use Cryptool 2 software to find the embedded message. (Hint: you will need to use the following components: File Input, Text Input, String Decoder, LSB Steganography, String Encoder and Text Output.)

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