31C3 2014 eng deu DP5 PIR for Privacy preserving Presence
▶31C3 2014 eng deu DP5 PIR for Privacy preserving Presence — a 2014 All Hacking Cons (community re-uploads) security conference talk on crypto, privacy (59:52 min). Watch the full video, indexed free on the Breach Arc Archive.
▶ Watch video on YouTube