In an official response, Apple said that Apple's security features in iOS 8 and later operating systems have prevented anyone from accessing device data, including Apple, in the absence of passwords. And it is estimated that more than 90% of iOS devices on the market currently use iOS 8 or later operating systems.
The Wall Street Journal reported that the US court asked Apple to help them open the back door so they could access the locked iOS device. However, Apple said in an official response that Apple’s security features in iOS 8 and later operating systems have been added. It is not possible for anyone to access device data in the absence of a password, including Apple. And it is estimated that more than 90% of iOS devices on the market currently use iOS 8 or later operating systems.
Apple said in the document that in most cases now or in the future, the government's request for Apple will become very heavy because it will not be implemented. For devices that implement iOS 8 or newer operating systems, Apple has no technical ability to meet government requirements, such as taking over a password-protected device and taking unencrypted user data for the government.
This is because Apple's new security features in iOS 8 are designed to prevent anyone who does not have a password from accessing encrypted data in the device, even Apple can't.
According to Apple's instructions, each device is assigned a unique ID (UID) at the time of production. The UID cannot be accessed by either the system or Apple. When the user sets the device password, the password is bound. UID is part of the key management protection for file encryption. The stronger the password, the stronger the encryption. However, Apple changed the protection level preset in iOS 8, and the encryption key used for most files is protected by another set of keys derived from user passwords. As a result, the user must know the password to decode the device. Most of the above information, the integration of hardware and software security mechanisms will prevent users from being attacked by hackers, whether the Apple server is compromised, or the user loses the device, the device content with the password cannot be saved. take.
According to the Apple App Store's estimates, as of October 5 this year, 90% of Apple devices on the market use iOS 8 or later operating system versions.
If the court needs Apple to help with iOS 7 or earlier, Apple still has enough technical ability to get unencrypted data from password-protected iOS devices, but overall, Apple can only access it. Apple program data built into iOS devices, but cannot access email, calendar or other third-party programs.
The document does not explain why the court asked Apple to help unlock the iOS device or access the data, but the Wall Street Journal reported this month that the US police were trapped in the inability to crack a password-protected smartphone, and the investigation of many cases stalled. Until now, whether it is the victim's mobile phone or the suspect's mobile phone content is the focus of police investigation. Some of the victims have died, while others are suspected of not revealing the mobile phone password. Manhattan prosecutor Cyrus Vance said that his office had stored 101 unbreakable iPhones.
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