Easy Challenges
Hidden in Plain Sight
Difficulty: Easy
Our agent intercepted this strange message. It seems to use multiple encoding layers:
VTFSVlVsTkZRM3RrYjNWaWJHVmZkSEp2ZFdKc1pWOWlZWE5sTmpSOQ==
Hint: Sometimes things are not what they seem at first glance. Look closer at the patterns.
Ancient Whispers
Difficulty: Easy
An ancient scroll was found with this text. The key to decrypt lies in the number XIII:
FGHEFVP{gur_cngu_bs_gur_jneebbe_vf_abg_rnfl}
Hint: The Romans had their secrets.
Medium Challenges
The Mathematician's Note
Difficulty: Medium
A mathematician left this encrypted message. The key is hidden in this sequence: 2, 3, 5, 7, 11
8-19-21-18-19-5-3{13-1-20-8-19-95-19-5-3-18-5-20-19}
Hint: Prime numbers hold special properties in cryptography.
Binary Riddle
Difficulty: Medium
We found this binary sequence, but something seems off about it:
01010011 01010100 01010101 01010010 01010011 01000101 01000011 01111011 00110010 01011111 00110100 01011111 00110110 01011111 00111000 01111101
Hint: The answer might not be as straightforward as ASCII.
Hard Challenge
The Quantum Vault
Difficulty: Hard
Break into the quantum vault:
Public Key (e): 65537
Modulus (n): 882564595536224140639625987659416029426239230804614613279163
Encrypted Flag: 77578995801157823671636298847186723593814843845525223303932
Hint: The modulus has a special property related to Fermat numbers.