Agent Login
Enter your credentials to access the decryption terminal. Unauthorised access will be logged.
ERROR: Credentials required.
Mission Brief
A Caesar Cipher is a simple substitution algorithm. It encrypts data by shifting every letter in the plaintext by a set number of positions down the alphabet to create unreadable ciphertext.
Intercepted Packet
ENCRYPTEDFRQJUDWXODWLRQV
> INTEL SUGGESTS SHIFT KEY IS: +23 (or -3)
Objective: Type the intercepted packet into the terminal and apply the correct shift key to reveal the hidden word.
System Decrypted
Cryptography & Encryption Module Complete
Intelligence Officer
For successfully demonstrating an understanding of symmetric-key encryption algorithms, translating ciphertext back into readable plaintext.
Algorithm
CAESAR
Decryption Key
-3
Date
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