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An surjective function that maps a set of keys to a smaller data sets of a fixed length. Cryptographic hash-function are supposed to be practically impossible to reverse except by brute-force.

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Techniques for reversing (basic) hash function

Hi I'm relatively new to RE, and I'm using GDB and Radare2. As part of a crackme I'm trying to reverse a weak hash function that's a little too complicated for me to undo by hand. I've been trying to …
Chase Kanipe's user avatar