Post AcSFFBfGulv9YXfeCm by j2kun@mathstodon.xyz
 (DIR) More posts by j2kun@mathstodon.xyz
 (DIR) Post #AcSFFBfGulv9YXfeCm by j2kun@mathstodon.xyz
       2023-12-03T21:11:30Z
       
       1 likes, 0 repeats
       
       I had previously believed (and told people) that Korea's COVID contract tracing system used homomorphic encryption to keep user location data private. It seems I was _very_ wrong. The proposed techniques https://pubmed.ncbi.nlm.nih.gov/33999829/ came after Korea had some serious privacy issues with their contact tracing methods (though Korean officials still stand by their decisions, and they have the extremely low total case counts to back them up).The authors of that paper implemented a web app, but I can't find any evidence that it was actually deployed at any scale. >_<
       
 (DIR) Post #AcSFJzAkmuZkGBgU0e by jeffcliff@shitposter.club
       2023-12-04T04:26:12.657019Z
       
       0 likes, 0 repeats
       
       maybe canadasee https://https://invidious.poast.org/watch?v=LlS1F4SKVYs