These waves will pass through the OLED screen at different strengths and the reflection of sound waves will generate a
3D fingerprint image.
The entire process
of fingerprint image entry and pre-processing, fingerprint feature extraction, fingerprint template generation, and fingerprint authentication are all conducted in a secure, isolated, and trusted environment.
Having the sneakily installed malware (disguised as an app) on your smartphone or tablet could easily lead to the hacker accessing those system privileges to gain access to the same, remotely harvesting
scanned fingerprint images from a number of devices without the user having the slightest clue.
The DigitalPersona technology uses a small optical scanner to capture
a fingerprint image.
The fingerprint images will then be converted into feature templates, encrypted, and stored to a secure and isolated location that is not accessible by Android or any other apps.
The promotional image sent out to press today includes a slate device with
a fingerprint image appearing in the middle of the screen, and the slogan «Unlock the Future» underneath.
Fingerprint images are taken by state, local, and tribal law enforcement officers and are then sent to the FBI.
Samsung reportedly abandoned the idea for the Galaxy Note 8 due to technical challenges, it was having a hard time manufacturing an integrated circuit that was to be placed under the display's surface to read
the fingerprint image.
On the sensor itself, Moorhead wrote for Forbes: «The Clear ID experience was fast and simple - I pressed the right side button to wake,
a fingerprint image illuminated at the bottom of the phone, I touched it, and it let me in.
Once again, once you need to pay something, and the payment solution supports fingerprint scanners,
that fingerprint image will pop up on the display, and let you place your finger on it.
Vivo says that the device indicates when it needs you to place your finger on the display, the company says that
a fingerprint image will appear on the display where you need to place your finger, after which the phone will unlock.
It seems like the display needs to be active in order for
the fingerprint image to appear, after which it is active.
Meizu actually managed to confuse everyone by releasing a rather revealing teaser quite recently, a teaser image which contained a smartphone which has
a fingerprint image on its display.
He describes the requirement of pressing a side - mounted sleep / wake key first, then touching
a fingerprint image on the screen to enter the device's operating system.
The company is reportedly having a hard time making an integrated circuit that will be placed under the display to read
the fingerprint image off of the display's surface.
So if your fingerprint is displayed on - screen as you swipe, then
the fingerprint image is in memory.
Contrast this with Apple's implementation where
the fingerprint image is nonexistent within the phone, only the hash of the fingerprint data (which can not be «un» hashed back into a fingerprint).
The sensors can also read heartbeats and sense blood flow, which Qualcomm says could be used by manufacturers to improve the security of their sensors, since they could then verify if
the fingerprint image came from a living finger.
The Clear ID experience was fast and simple - I pressed the right side button to wake,
a fingerprint image illuminated at the bottom of the phone, I touched it, and it let me in.