The CanonicalizationMethod at: https://github.com/perl-net-saml2/perl-XML-Sig/blob/a625d484553762d59dd50b1e0b35212cbf39172f/lib/XML/Sig.pm#L1636 id not correct given the use of $xml->toStringEC14N(); at https://github.com/perl-net-saml2/perl-XML-Sig/blob/a625d484553762d59dd50b1e0b35212cbf39172f/lib/XML/Sig.pm#L340