Hot answers tagged


How can he do that? He could take api_signature = h = md5(m) and use it as the Initialization Vector of the hash function and hash the extra data and another padding. This is the idea behind the hash length_extension attack, isn't it? Correct. My question: The api_signature will change then because it is calculated like: md5(extra || padding) with ...

Only top voted, non community-wiki answers of a minimum length are eligible