View RSS Feed


  1. Understanding Padding Oracle Attack - Attack on Encryption in CBC mode

    Before we begin , a few terminologies that we should be familiar with. An Oracle is just a theoritical black box in Cryptography which responds to queries that an Adversary sends. For Example , a random Oracle would select and send a truly random value from a uniform distribution for each query that the Adversary sends to it. Propery implemented Crypto primitives behave like random Oracles ie even though the attacker intercepts any number of ciphertexts, he wont be able to derive any information ...

    Updated 10-10-2012 at 04:02 PM by sebas_phoenix