BioUnlock; unlocks your Mac using iPhone 5S’ Touch ID

BioUnlock; unlocks your Mac using iPhone 5S’ Touch ID

Late last week, app developer Eric Castro teased his upcoming project called BioUnlock which can be used to unlock a Mac through the iPhone 5S’ Touch ID.

Touch ID

The BioUnlock works by connecting the handset and Mac on the same Wi-Fi network. Users will then have to register a separate fingerprint for the Mac, on top of the one assigned to unlock the iPhone.

Here’s a quick video of BioUnlock in action:


According to Eric, he’s planning to include Bluetooth support on the BioUnlock’s arsenal, as well as support for Windows platform.

Mr. Castro claims that his nifty tweak should be available by the end of this month and may cost “a dollar or two”.


This article was written by Ronnie Bulaong, a special features contributor and correspondent for YugaTech. Follow him on Twitter @turonbulaong.

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2 Responses

  1. testuser says:

    I think this is not safe since you have to provide another fingerprint for the Mac.

    The one on the iPhone stores the fingerprint representation using the Secure Enclave, its on the A7 chip.

    With this BioUnlock, where is the fingerprint stored? on the developers server?

  2. Macspert says:

    The fingerprint function in iOS does not allow for the fingerprint information to be sent outside of the device, hence the ‘secure enclave’.

    What this app does is simply asking iOS to validate the fingerprint securely just as if you were unlocking the phone and then it sends a yes/no to the Mac which will unlock the screen if it’s a match.

    At no point is the fingerprint data sent outside of tv iPhone.

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