Enabling Touch ID/Face ID

Touch ID (iOS 9 and later) or Face ID (iOS 11) allows the password used to open a safe to be stored securely using the Secure Enclave of your iOS device. By authenticating with a fingerprint or faceprint, the password is retrieved and used to open your safe. Note however, that if a fingerprint/faceprint is added or deleted, or if the safe is renamed - the stored password will be invalidated. Similarly if the device passcode is turned off. Touch ID/Face ID safe passwords are stored only on the device and are otherwise unrecoverable.
If you have enabled Touch ID, and are using IOS 9 or later, the Touch ID options illustrated below should appear when you attempt to open a safe. Similarly for Face ID on iOS 11 with an appropriate device.
To enable Touch ID/Face ID for a safe, select Touch ID Login/Face ID Login and supply the safe password, then touch Done. If the password is correct the password will be saved securely for later use.
Once Touch ID/Face ID is saved for a safe, SamuraiSafe will attempt to authenticate as soon as a safe is selected. If you wish to access the open safe options dialog, use a long press rather than a tap on the open safe screen.
The next time you wish to use your safe, tap Login With Touch ID/Login with Face ID
If you wish to disable Touch ID/Face ID for a safe, disabling Touch ID Login/Face ID Login will remove the stored safe password.
You can disable Touch ID/Face ID for all safes (removing all associated Touch ID/Face ID safe passwords) by turning off Allow Touch ID Login/Allow Face ID Login in Settings.
Note also that if a safe password is changed on another device, Touch ID will fail to open the safe and the stored password will be removed.
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