FWIW, in Ubuntu 20.04 a bcrypt hash generated with -B in the provided htpasswd (that uses their own implementation), can be used by crypt(3):
$ perl -e 'print crypt("cvspassword", "\$2y\$05\$xGcVN3jyU43rgH/jtc0mG.wMEYmvXBjdZtBc5R1jFYD83aaOTWiqa"), "\n"' $2y$05$xGcVN3jyU43rgH/jtc0mG.wMEYmvXBjdZtBc5R1jFYD83aaOTWiqa -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1349252 Title: crypt(3) lacks Blowfish support To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1349252/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs