Hashing Algorithms - Passwords

What is Is + Key info

• "A function that converts a data string into a numeric string output of fixed length."
• These only work one-way.
• Most well-known of these are md5 and sha-1, though both are of less use now.
• Even though password is eg 6 chars, md5 hash gives standard length output of 32 chars.
• Difficult to reverse engineer a result of a hashing algorithm.

Signing up and logging in

• When users register, assuming the site uses hashing, the hashed version…