pinentry
Introduction
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This manual documents how to use the PINENTRY and its protocol.
The PINENTRY is a small GUI application used to enter PINs or
passphrases. It is usually invoked by GPG-AGENT (Invoking the
gpg-agent (gnupg)Invoking GPG-AGENT, for details).
PINENTRY comes in several flavors to fit the look and feel of the
used GUI toolkit: A GTK+ based one named 'pinentry-gtk'; a QT based one
named 'pinentry-qt'; and, two non-graphical ones 'pinentry-curses',
which uses curses, and 'pinentry-tty', which doesn't require anything
more than a simple terminal. Not all of them are necessarily available
on your installation. If curses is supported on your system, the
GUI-based flavors fall back to curses when the 'DISPLAY' variable is not
set.
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