gnupg-agent 2.1.18-8~deb9u4 / usr / lib / gnupg2 / gpg-preset-passphrase

/usr/lib/gnupg2/gpg-preset-passphrase is in gnupg-agent 2.1.18-8~deb9u4.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/gnupg2/../gnupg/gpg-preset-passphrase