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The Password-Based Key Derivation Function 2 (PBKDF2) is a method of securely deriving encryption keys from a passphrase entered by a user. It features an iteration count that can be deliberately adjusted (key stretching) to slow down brute force password guessing attacks.

3 votes
2 answers
186 views

Public SRP verifiers or public hash chain "public keys" when secret is low entropy password

I want to set up the following: An untrusted server should host user sessions and authenticate users without knowing their passwords or being capable of creating a fake user session in the user's na …
Samuel Horwitz's user avatar
0 votes

Public SRP verifiers or public hash chain "public keys" when secret is low entropy password

I will clarify for future readers, I ended up pivoting on my requirements. I realized with help from the posters here that passwords cannot be keys, no matter how much they are stretched, which is wha …
Samuel Horwitz's user avatar