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JoshuaBuditama / slowvid

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Generate second encounter token #60

Closed cskeogh closed 4 years ago

cskeogh commented 4 years ago

As two users come into close proximity, the system shall create an second encounter token using the exchanged data via Bluetooth, so that there is a record of this close encounter and privacy is preserved.

The second encounter token is for the upload table.

cskeogh commented 4 years ago

The reason for a second encounter token is so the back-end can't match two front-ends performing a query only (trust no-one principle, assuming the back-end is compromised). The back-end can only match against confirmed positive cases.