Touch ID patent applications reveal how Apple uses “Secure Enclave” in iPhone 5s’ A7 chip for fingerprint sensor
A major concern with Apple’s inclusion of a fingerprint sensor in the iPhone were security concerns over storing fingerprint data, given its confidential nature. Apple put these concerns to rest when it said that the iPhone 5s doesn’t store the actual fingerprint, but only a mathematical representation of it in the new A7 chip’s “Secure Enclave” which is inaccessible by iOS or any other app running on your iPhone.
New Apple patent filings made public recently give more details into how the Touch ID works, and how the A7 chip stores these fingerprints.
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