Loading page
Review the challenge brief, files, and requirements.
A message was XOR'd with a single-byte key. Crack it using frequency analysis.
1c161b1d21226a28056b290528692c6928296b38366927
The plaintext is English text. Find the key and decode the message.
Sign in to attempt this challenge.
Use Proving Grounds to continue your challenge practice.
Open Proving Grounds