krypton-ios

>Not everyone likes to have their (door) keys hanging off their notebooks all day. As if a whole phone is better... That's not a requirement with a yubikey anyway. Mine hangs on a lanyard on a dust plug. Many people have yubikey nanos and basically leave them plugged in their laptop all the time. >I was talking about the free beer kind of free, but it's not accurate to say YubiKey is all free (libre) Kryptonite is not libre. It's not even free. It's all rights reserved. https://github.com/kryptco/kryptonite-ios/blob/master/LICENS... Yubico piv tool is 2 clause BSD, which is GPL compatible. >Personally, I'm fine with closed-source security products. So is RMS, assuming device software is fixed. See his comments on microwave ovens. Yubikey fits this description. Firmware is not updatable, for better security. Anyone who is trying to make a

The app uses kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly[1]. Quoting the relevant iOS documentation[2]: > After the first unlock, the data remains accessible until the next restart. This is recommended for items that need to be accessed by background applications. Items with this attribute do not migrate to a new device. Thus, after restoring from a backup of a different device, these items will not be present. [1]: https://github.com/kryptco/kryptonite-ios/blob/42c71d6381def... [2]: https://developer.apple.com/reference/security/ksecattracces...