Introduction to Cryptography

Walkthrough summary

Introduction to Cryptography TryHackMe walkthrough with 15 answered prompts and lab methodology notes.

Sample prompts covered

• You can guess that it is a quote. Who said it?
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• Decrypt the file quote01 encrypted (using AES256) with the key s!kR3T55 using gpg. What is the third word in the file?
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• Decrypt the file quote02 encrypted (using AES256-CBC) with the key s!kR3T55 using openssl. What is the third word in the file?
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• Decrypt the file quote03 encrypted (using CAMELLIA256) with the key s!kR3T55 using gpg. What is the third word in the file?
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• Bob has received the file ciphertext_message sent to him from Alice. You can find the key you need in the same folder. What is the first word of the original plaintext?
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