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A comment on Show HN: GPG on macOS and YubiKey.

Re:Show HN: GPG on macOS and YubiKey by oil25 on Tuesday November 12, 2019 @07:36PM (#21519903)
> For usability while balancing security, cache PIN for at most a day.

https://github.com/DataDog/yubikey/blob/master/gpg.sh#147

This statement has no effect when using Yubikey - the PIN is cached by the key itself and it will remain unlocked indefinitely until it's physically unplugged. See https://dev.gnupg.org/T3362

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Re:Show HN: GPG on macOS and YubiKey by trishankdatadog on Tuesday November 12, 2019 @07:38PM (#21519925)
Interesting. This hasn't been my experience, so not sure what's going on yet...
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