4 ms·
FaceID is unique in the sense that it's supposed to be on-device only in the form of an ASIC coprocessor.
by dabockster 9y ago
FaceID is unique in the sense that it's supposed to be on-device only in the form of an ASIC coprocessor.
- contingencies 9y agoYou can't tell with closed source. Anyway, what about "iCloud backup"?
- krrrh 9y agoApple doesn’t backup TouchID or FaceID data to the cloud (just as they don’t backup your iOS device passcode). You need to set up each device independently. https://images.apple.com/ca/fr/business-docs/FaceID_Security_Guide.pdf https://images.apple.com/ca/fr/business-docs/FaceID_Security...
- deleted 9y ago[deleted]
- xenophonf 9y ago> Apple doesn’t backup TouchID or FaceID data to the cloud We only have Apple's word to go by.
- saagarjha 9y agoWell, that and the word of numerous security researchers whose job it is to make sure that Apple is true to their word.
- crankylinuxuser 9y agoNo, we don't. https://hackaday.com/2017/08/18/apples-secure-enclave-processor-sep-firmware-decyrpted/ https://hackaday.com/2017/08/18/apples-secure-enclave-proces... Yeah it may be a binary dump, but it's now decrypted and understandable.
- contingencies 9y agoSerious question: can its firmware be upgraded through future device updates?
- exikyut 9y agoI THINK so. https://www.theiphonewiki.com/wiki/Bootchain https://www.theiphonewiki.com/wiki/Bootchain https://www.theiphonewiki.com/wiki/Bootrom https://www.theiphonewiki.com/wiki/Bootrom https://www.theiphonewiki.com/wiki/25C3_presentation_%22Hacking_the_iPhone%22 https://www.theiphonewiki.com/wiki/25C3_presentation_%22Hack... (^F "The first piece" [of code]) https://www.cse.wustl.edu/~jain/cse571-14/ftp/ios_security/index.html#secure_boot_chain https://www.cse.wustl.edu/~jain/cse571-14/ftp/ios_security/i... The only part that is fundamentally read-only is the bootrom/SecureROM. ...Which is why https://ramtin-amin.fr/#nvmepcie https://ramtin-amin.fr/#nvmepcie and https://ramtin-amin.fr/#nvmedma https://ramtin-amin.fr/#nvmedma are among my favorite articles ever. (iPhone 6, but still.)
- squeaky-clean 9y agoIt's also something directly related to a face. "Want to unlock your phone by looking at it? It needs to know your face". But "Want to post a meme to Facebook? It needs your face" feels quite detached.