All MD5 hash collisions I've seen have been the same length: http://stackoverflow.com/questions/1224113/examples-of-hash-collisions http://stackoverflow.com/que

All MD5 hash collisions I've seen have been the same length: http://stackoverflow.com/questions/1224113/examples-of-hash-collisions http://stackoverflow.com/questions/1224113/examples-of-hash-.... I assume the common algorithm for making MD5 collisions requires you to start with a single value and mutate it in specific ways, while keeping the same length.