/usr/share/igtf-policy/classic/HellasGrid-Root.signing_policy is in igtf-policy-classic 1.71-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | # EACL HellasGrid Root CA
# @(#)$Id: 28a58577.signing_policy,v 1.1 2006/09/04 15:46:20 pmacvsdg Exp $
#
access_id_CA X509 '/C=GR/O=HellasGrid/OU=Certification Authorities/CN=HellasGrid Root CA 2006'
pos_rights globus CA:sign
cond_subjects globus '"/C=GR/O=HellasGrid/OU=Certification Authorities/CN=HellasGrid CA 2006"'
|