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      • Prenote: As all of these challenges were similar, we decided to combine these under one page.
  • 2021 Writeups
    • Union CTF
      • Antistatic
      • Cr0wn Air
      • Human Server
      • Mordell Primes
      • Neo-classical
      • Nutty
      • Why is a raven
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  1. 2020 Writeups
  2. rgbCTF
  3. beginner

fine day

just use this online tool: link Its a substitution cipher

flag: rgbCTF{a_fine_affine_cipher}

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Last updated 4 years ago

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