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content/notes/04-authentication-authorisation-passwords.md
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@ -4,6 +4,9 @@ aliases:
tags: tags:
- lecture - lecture
- comp210 - comp210
sr-due: 2022-08-04
sr-interval: 3
sr-ease: 250
--- ---
# Authentication # Authentication
@ -53,7 +56,7 @@ tags:
## entropy ## entropy
- amount of randomness - amount of randomness
- measure of the number of guesse an attacker would need to brute force - measure of the number of guesse an attacker would need to brute foarce
- $E = log_2(A^L)$ - $E = log_2(A^L)$
- A = size of alphabet - A = size of alphabet
- L = length of password - L = length of password