GPG Cache TTL not being respected on MacOS

[n06]

On MacOS, the GPG User PIN cache is set with a TTL of 24 hours, but it is not being respected, and I am being asked for User PIN every few hours.

MacOS version: Big Sur 11.3.1
GPG Agent Conf:

nick.davis@COMP-C02CD0TCLVDN ~ > cat ~/.gnupg/gpg-agent.conf
# https://www.gnupg.org/documentation/manuals/gnupg/Agent-Options.html
pinentry-program /usr/local/bin/pinentry-mac
# For usability while balancing security, cache User PIN for at most a day.
default-cache-ttl 86400
max-cache-ttl 86400

[daisukixci]

Does lock or sleep happen during the few hours timeframe ?

[ashwinjv]

It happens everytime I put my macos to sleep. An easy way to reproduce it is close the macos lid, open it up again and try to sign a commit - it will ask for the pin