Discover and read the best of Twitter Threads about #Pepper

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I know you have heard of password #Salts which are similar to Nonces and used to add uniqueness to passwords and protect against pre-computed hashes (rainbow tables).

Did you also know about password #Peppers ? They are equally important too.
In modern web applications of today, you should #Pepper your passwords as well as #Salt them too before hashing them. Here is the order:

Original Password ---> Salt ---> Pepper ---> Hash ---> Store-In-DB.

However, if you #Pepper passwords wrongly. It could be very disastrous!
What do i mean by this ?

Well, the simplest (and safest - very important) way to #Pepper a password is to HMAC(Original_Password, key) it.

HMACs are resistant to length-extension attacks & brutes-force attacks.

There must be a #Pepper key used for the HMAC too
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