The Samsung Galaxy S5 is the first to support PayPal's new fingerprint-authorized payments
This particular payment system is thefirst commercial implementation of a new authorization protocoldeveloped by the FIDO Alliance, a security group of technologicalcompanies that include BlackBerry, Google, Lenovo, MasterCard,Microsoft, and PayPal. The protocol is designed so that a record ofyour fingerprint is never transmitted to an outside party. Instead,data from the fingerprint reader is used to generate a cryptographickeyc which is combined with a second key from the device’scryptographic chip to make a third key. This way, the final key can’tbe used to somehow "decode" the fingerprint that was usedto generate it.
The Galaxy S5 is the first and onlyconsumer device so far that supports PayPal’s FIDO-basedauthorization system. PayPal isn't saying when other devices willfollow suit, but industry representatives assert that fingerprintreaders will become ubiquitous in near-future smart-devices.
source: MITTechnology Review
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