Touch ID

File:Touch ID logo.png

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Fingerprint recognition feature developed by Apple Inc.

Touch ID is a fingerprint recognition feature, designed and developed by Apple Inc., that allows users to unlock their devices, make purchases in various Apple digital media stores (such as the App Store, iTunes Store, and Apple Books), and authenticate Apple Pay online or in apps. It is available on various models of the iPhone, iPad, and MacBook.

History

Touch ID was first introduced on September 20, 2013, with the release of the iPhone 5S. It was the first time Apple incorporated a biometric authentication system into its devices. The technology was later expanded to other devices, including the iPad Air 2, iPad Mini 3, and various models of the MacBook Pro.

Technology

Touch ID uses a capacitive touch sensor that can read fingerprints at a highly detailed level. The sensor is built into the home button of the device and is protected by a laser-cut sapphire crystal, which is scratch-resistant and durable. The fingerprint data is encrypted and stored in a secure enclave within the device's A7 or later SoC.

Security

Touch ID enhances device security by providing a more secure alternative to traditional passwords and PINs. The fingerprint data is stored locally on the device and is never uploaded to Apple's servers or backed up to iCloud. This ensures that the biometric data remains private and secure.

Usage

Touch ID can be used for various purposes, including:

• Unlocking the device
• Authorizing purchases from the App Store, iTunes Store, and Apple Books
• Authenticating Apple Pay transactions
• Accessing secure apps and data

Successors

In 2017, Apple introduced Face ID, a facial recognition system, with the release of the iPhone X. While Face ID has become the primary biometric authentication method for newer iPhone models, Touch ID continues to be used in other devices, such as the iPhone SE (2nd generation), iPad Air (4th generation), and certain MacBook models.

See also

• Face ID
• Biometric authentication
• Apple Pay
• iPhone
• iPad
• MacBook

References

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