Apple's Face ID works so as
It's like a tiny Microsoft Kinect embedded in your phone.
By now, you've i know you might have probably heard: The new iPhone X doesn't have a home button, and it doesn't have a fingerprint sensor either.
And these are certain question you will ask your self
How will you log into your phone? How will you tap-to-pay? Apple's hoping you'll use the brand-new Face ID -- where you simply look at your phone to be logged in automatically.
The good news is that: Apple uses a rather different, more-or-less proven technology.
On Tuesday, Apple made a big deal about the iPhone X's new TrueDepth sensor, With a real new touch and teach with various features-- the typical front-facing camera, microphone, speaker, ambient light and proximity sensors are now joined by a new infrared camera, dot projector and flood illuminator.
But while that sounds awfully complicated, the process appears to be pretty simple: The phone lights up your face, fires out 30,000 invisible infrared dots that highlights your features and creates a rough pattern, takes pictures of those dots with the infrared camera, and decide whether the picture looks like you.
Apple says the chance of fooling Face ID is literally 1 in a million -- compared to 1 in 50,000 that a random person could use their fingerprint to unlock an older iPhone.
Apple says Face ID is secure enough you can use it to pay in actual brick-and-mortar stores -- something we were led to believe would take years to become a reality, after Samsung revealed its Face Unlock wasn't secure enough for payments. (Samsung requires you to use a fingerprint reader or iris scanner for that.)
Apple's tech should work with apps, too. Any that used the Touch ID fingerprint sensor -- Apple name dropped Mint, 1Password and E-Trade -- should be able to use Face ID as well.
To make Face ID that secure, private and still speedy enough to use quickly, Apple says it never stores your face scans in the cloud, but rather on an encrypted part of your phone.
Specifically, it runs every facial scan through the Secure Enclave, a dedicated co-processor with its own encrypted memory, secure boot process and a random number generator. Plus, the tech is designed to only recognize you when you've got both eyes open and are looking straight at the phone.
Just know that a glance isn't particularly secure if, say, an authoritarian government asks you to unlock your phone
On a less somber note, Apple says it uses machine learning so Face ID can grow with you, and is smart enough to still recognize your face if you change hairstyles, add a scarf and hat, or grow a beard. (Obviously, we haven't had time to test that yet.)
So no, Face ID isn't quite a new idea. But perhaps Apple has all the pieces of the puzzle to make glanceable payments a ubiquitous reality at last.
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