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Representatives from each company promised to disable the service after the outbreak has been sufficiently contained.
It is not yet clear how public health authorities would arrive at such a determination, considering that the spread varies by region. However, the engineers definitively stated that APIs are not intended to be maintained indefinitely, The Verge reported.
Under the new encryption specification, daily trace keys will now be generated randomly, rather than mathematically derived from a user’s private key.
That daily tracking key is shared with the central database if a user decides to report their positive diagnosis. Some encryption experts fear that certain attacks may link those keys to a particular user, and thus connecting a person to a diagnosis should be more difficult with randomly generated keys, the same outlet explained.
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Another change is that the daily password is now known as the “temporary tracking key,” and the long-term tracking key included in the original specification no longer exists.
Also, the new encryption specification establishes specific protections around the data associated with the system’s Bluetooth transmissions.
In addition to the random codes, the devices will also transmit their base power level, to calculate proximity, and what version of the tool they are running.
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