How to Create Rainbow Tables for Hashing Algorithms Like MD5, SHA1 & NTLM

A rainbow table can be thought of like a dictionary, except instead of words and their definitions, it holds combinations of characters on one side and their hashed form on the other. What is a hash and why would you want to know what random combinations of characters are hashed into? Passwords on the internet are almost always stored hashed. A hash is a method of cryptography that is very cheap to calculate in one direction but very expensive to calculate in the opposite direction. What that means is that you can take a raw text input, say the string password, and run a hashing algorithm on... more

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