hofill > ./blog Crypto enthusiast.


crypto oootp

>>> Run Many-Time Pad on the file and extract the key to use on the encrypted flag.

crypto Don’t chat too much about RSA!

>>> Steghide on a picture, AES ECB on the discussion and math to get the p and q of the public key to get the secret.

cryptomisc digital-talking

>>> Binary to anode 7 segment display

crypto crypto-easy

>>> Analyse key for the first flag, then decrypt the second flag using AES CBC and IV.

crypto tim3

>>> Time attack on password checker.