1. Is there a good alternative to BLS or RSA-{OAEP/PKCSv15/FDH} signatures for
a verifiable unpredictable function?
2. Does anyone know of any common objects that have sufficiently stable, but
unpredictable features (over multi-year time periods) that photographing them
-- and, e.g., fuzzy sketching -- could allow using them as human-scale
(non-biometric) "PUF"s?
3. Does anyone have references to any existing schemes for transferring a
secret/fingerprint using human-audible sound? (I'm aware of the creepy
high-frequency stuff.)
(These are, obviously, related by the fundamental interconnectedness of all
things ;)
- dlg
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