/usr/share/zEscrow/password-text is in zescrow-client 1.7-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Your LOGIN passphrase is required to unwrap your randomly generated
# MOUNT passphrase. The key escrow server will NOT store your login
# passphrase. It will only store your randomly generated MOUNT
# passphrase.
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