/usr/share/maven-repo/org/bouncycastle/bcpg/debian/bcpg-debian.jar is in libbcpg-java 1.59-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/bouncycastle/bcpg/debian/../../../../../java/bcpg-1.58.jar