\x89\x50\x4E\x47\x0D\x0A\x1A\x0A PNG  \x89\x50\x4E\x47\x0D\x0A\x1A\x0A # This is an example subpolicy dropping the SHA1 hash and signature support hash = -SHA1 sign = -*-SHA1 sha1_in_certs = 0