Specify the SAML signature/digest algorithm name to use with OpenSAML.
SAMLAlgorithm allowed values:
Can be set in: global.cfg
Specify the SAML signature/digest algorithm name to use with OpenSAML. This setting applies to both public and administration interfaces.
The only currently permitted values are
sha1 (the default for legacy reasons) and
sha256 (the recommended value for security which is compatible with most modern IdPs).
Set the signature/digest algorithm to sha256 (compatible with ADFS)