Home
Writeups
Cancel

Rookie Mistake

Script Kiddie

Quadratic Residues

Lazy CBC

RSA Common Modulus

Common modulus attack In this case imagine that Alice sent the SAME message more than once using the same public key but thanks to the laws of the world, a problem happened and the public key chan...

RSA Multiple Recipients

Hastad Attack Let’s go over the math of the attack: Assume Bob sends the same message to multiple people using RSA with different modulus but the same e for all of the messages. Assume that this ...

Phonebook

We see that there is a form. At the bottom we can see the username we are supposed to use. It doesn’t take a genius to see that the password is most likely the flag. While testing we see that we c...

Heist

Bucket

LostKey