Abstract:We present Knock Yourself Out (KYO), a password generator that enables secure authentication against a computationally unbounded adversary. Master passwords can be surprisingly short and may be re-used for multiple service accounts even in the event of client compromises and multiple server compromises. At the same time, KYO is transparent to service operators and backwards-compatible. Master passwords are fully client-manageable while secrets shared with service operators can be kept constant. Likewise, secre… Show more
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