powerauth-mobile-sdk
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Touch ID authentication fails when unlocking screen
Steps to reproduce:
- Invoke login via Touch ID
- Press Home button
=> 'errSecAuthFailed' is triggered, invalid signature is computed
This is caused by an ssue in iOS SDK - we are unable to distinguish errSecAuthFailed
caused by invalid authentication (wrong finger) and the same error caused by locking screen / pressing Home button.
We reported this issue as rdar://30141672.
Upcoming release 1.7.5
will provide a proper workaround in form of enhanced authenticateUsingBiometry()
method. The method fully handle all such situations internally.
The issue will be properly resolved in future 1.8.x release, by introducing asynchronous API for signature calculations (see #497)
Our updated documentation provides a temporary workaround for this issue.
Moved to future 1.10.0
release