Copilotfree, in-browser
Ask me anything about your lessons or your code.
“What is a port?” · “Why is my code erroring?”
Ask me anything about your lessons or your code.
“What is a port?” · “Why is my code erroring?”
Extra bytes added to data so it fills a whole cipher block, following a scheme that says how to strip them off again. It sounds like bookkeeping, but a server that reveals whether padding was valid can be pushed into decrypting messages for an attacker.