Even though I love touch ID I want to see this face ID in action. I won't be getting the X but I plan on playing with it.
On 9/27/17, Maria Reyes <the.big.apple.n...@gmail.com> wrote: > Apple has taken steps to educate potential owners of the iPhone X about Face > ID ahead of its release on Nov. 3, releasing a white paper alongside a > support document that explains how the biometric authentication technology > works to keep the user's data secure. > > > Found within Apple's revamped privacy pages, the Face ID Security white > paper gives an overview of how Face ID operates, as well as how users can > expect to use the authentication system. Introduced as a replacement for > Touch ID in the iPhone X, the six-page document is an attempt to convince > wary potential users that Face ID is at least as secure as the well-known > Touch ID, and that they have little to fear from the security change. > > Along with the white paper, Apple has updated its support pages to include a > briefer explanation of the technology and its security. > > The overview of FaceID explains simply that the TrueDepth camera system > accurately maps the geometry of the user's face using "advanced > technologies," which consists of an infrared camera, a 7-megapixel camera > sensor, a flood illuminator, and a dot projector. Confirming the attention > of the user by detecting the direction of their gaze, Face ID then uses > neural networks to match and prevent spoofing attempts to unlock the phone, > with the system automatically adapting to changes in the user's appearance > over time. > > A passcode must be set up on the iPhone X before the user can set up Face > ID, with Apple advising the passcode can be made longer and more complex as > it will not need to be entered frequently. The passcode will still be > requested from users in a number of circumstances, including when the iPhone > X has just been turned on or restarted, hasn't been unlocked for more than > 48 hours, the device has been remotely locked, after five failed Face ID > unlock attempts, and after initiating an Emergency SOS mode. > > Users will also be required to use the passcode if it hasn't been used to > unlock the iPhone X in the last 156 hours and if Face ID has not been used > successfully in the last four hours. When Face ID is enabled, the device > will immediately lock when the side button is pressed or when the device > goes to sleep, with either the facial match or passcode required to wake the > iPhone X each time. > > As raised during the September unveiling, it is claimed Face ID has a one in > a million chance of being unlocked by a random person looking at the iPhone > X, compared to a 1 in 50 thousand false positive chance for Touch ID. The > chance of a false match does increase for twins and siblings who bear a > similar appearance to one another, as well as for children under the age of > 13, which Apple claims is due to the possibility that distinct facial > features may not have fully developed, with Apple suggesting to keep using > the passcode to authenticate in these cases. > > > Going into more detail about how the system works, the document explains > over 30,000 infrared dots are projected onto the user's face and are read by > the TrueDepth camera, with a depth map and 2D infrared image combined to > create a sequence of images and depth maps that are digitally signed and > stored in the Secure Enclave. For extra security, this sequence is > randomized, with the infrared dot pattern also given a device-specific > randomization. > > A section of the A11 Bionic chip's neural engine, protected within the > Secure Enclave, turns this data into a mathematical representation, which is > then compared to the enrolled facial data, itself a mathematical > representation of the user's face captured during enrollment. An additional > neural network, trained to detect spoofing attempts, is also used in the > facial data analysis. > > There are three types of Face ID data that are encrypted and stored in the > Secure Enclave, data which Apple insists does not leave the device, is not > sent to Apple, and is not included in device backups. The infrared images > and mathematical representations created during enrollment are stored > alongside any other mathematical representations calculated during some > unlock attempts, if Face ID deems them useful to improve future matching > attempts. > > This extra stored data is useful to the iPhone X as it provides more > reference points for Face ID to authenticate the user, allowing it also to > take into account both temporary and longer-term changes in their > appearance. > > As the neural networks may update over the device's ownership, the iPhone X > will be able to automatically run any stored images within the Secure > Enclave through the updated neural network. To minimize the amount of > background information, the enrollment images are cropped to just the user's > face. Face images captured during unlocking are not saved, and are > immediately discarded once the mathematical representation has been > calculated. > > > As for daily use outside of unlocking the iPhone X, Apple includes sections > explaining how Face ID works with Apple Pay and with third-party apps. > > For Apple Pay purchases in stores, users have to confirm intent to pay by a > double-tap of the side button, followed by a Face ID authentication, before > placing the iPhone X near the contactless reader. Users will have to > reauthenticate with Face ID if they change a different Apple Pay payment > method, but will not need to tap the button again. > > For apps and online purchases, the same double-tap and Face ID > authentication process takes place, but if the transaction is not completed > within 30 seconds of pressing the side button, users will have to reconfirm > their intent to pay by double-clicking a second time. > > Third-party apps are able to use Face ID or the passcode to authenticate > users using system-provided APIs, with apps that currently support Touch ID > automatically supporting Face ID without any changes. These apps cannot > access Face ID data, but instead are notified only if the authentication > succeeded or failed. > > While Apple does stress the Face ID data is only stored on the iPhone X and > is not transmitted to the company, it is possible for a user to provide Face > ID diagnostic data to AppleCare for support purposes, though not any Face ID > data created prior to a support request. > > After receiving a digitally signed authorization from Apple, users have to > go through the Face ID enrollment again as the original Face ID data is > wiped, with the iPhone X then automatically recording Face ID images during > authentication attempts for a seven-day period. This specifically-collected > data is not automatically sent to Apple, as users have a chance to review > and approve the data before it is encrypted and dispatched, then deleted > from the iPhone X. > > If users using the Face ID diagnostics do not conclude the session, the > diagnostic images will be deleted automatically after 90 days. Users can > also disable and delete the diagnostic data at any time. > > During Apple's September event, executive Craig Federighi's live > demonstration of Face ID suffered a mishap where the first iPhone X used > failed to authenticate and required a passcode, forcing the presentation to > switch to a backup device. After the event, it was revealed Face ID was > working as designed, but the company believes it tried to authenticate > employees tasked with setting up the demonstration area before the big > reveal, using up the limited number of failed authentication attempts. > > > > via AppleInsider - Apple News and Rumors Since 1997 > > Maria Reyes > Owner of the following groups- > Apple 411: > apple411+subscr...@groups.io<mailto:apple411+subscr...@groups.io> > iMessage/FaceTime: > the.big.apple.n...@gmail.com<mailto:the.big.apple.n...@gmail.com> > > -- > The following information is important for all members of the Mac > Visionaries list. > > If you have any questions or concerns about the running of this list, or if > you feel that a member's post is inappropriate, please contact the owners or > moderators directly rather than posting on the list itself. > > Your Mac Visionaries list moderator is Mark Taylor. You can reach mark at: > macvisionaries+modera...@googlegroups.com and your owner is Cara Quinn - you > can reach Cara at caraqu...@caraquinn.com > > The archives for this list can be searched at: > http://www.mail-archive.com/macvisionaries@googlegroups.com/ > --- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to macvisionaries+unsubscr...@googlegroups.com. > To post to this group, send email to macvisionaries@googlegroups.com. > Visit this group at https://groups.google.com/group/macvisionaries. > For more options, visit https://groups.google.com/d/optout. > -- Lenron Brown Cell: 985-271-2832 Skype: ron.brown762 -- The following information is important for all members of the Mac Visionaries list. 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