Make bad politicians resign! nc 220.127.116.11 2048 files Summary: factorization-based attack on a signature method
Decrypt the cipher text with a pinhole. $ nc cry1.chal.ctf.westerns.tokyo 23464 pinhole.7z Summary: attacking RSA using decryption oracle leaking 2 consecutive bits in the middle.
Here is a RSA private key with its upper part masked. Can your recover the private key and decrypt the file? equation.zip Summary: recovering RSA key from part of the private key.
We’ve got a screenshot of some encryption, here’s the text transcribed. Please say what’s there. Summary: a couple of modular equations
You get arbitrary code execution…. as long as it’s code we approve of. Source available at blech.py Service running on 18.104.22.168 port 1234 blech.py Summary: RSA cube root attack