/usr/share/ is in libbcprov-java 1.51-4ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/java/
/usr/share/java/bcprov-1.51.jar
/usr/share/doc/
/usr/share/doc/libbcprov-java/
/usr/share/doc/libbcprov-java/copyright
/usr/share/doc/libbcprov-java/changelog.Debian.gz
/usr/share/doc/libbcprov-java/README.Debian
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/bouncycastle/
/usr/share/maven-repo/org/bouncycastle/bcprov/
/usr/share/maven-repo/org/bouncycastle/bcprov/debian/
/usr/share/maven-repo/org/bouncycastle/bcprov/debian/bcprov-debian.pom
/usr/share/maven-repo/org/bouncycastle/bcprov/1.51/
/usr/share/maven-repo/org/bouncycastle/bcprov/1.51/bcprov-1.51.pom
/usr/share/java/bcprov.jar
/usr/share/maven-repo/org/bouncycastle/bcprov/debian/bcprov-debian.jar
/usr/share/maven-repo/org/bouncycastle/bcprov/1.51/bcprov-1.51.jar