download and setup https://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html
unzip and read the readme.txt
mvn clean install
cp target/saml-0.0.3-SNAPSHOT.war ../tomcat-saml/saml.war && cp target/saml-0.0.3-SNAPSHOT.war ../tomcat-saml-ebx/saml.war
valid values for 'signatureAlgorithmURI'
=== Supported Signatures ===
http://www.w3.org/2000/09/xmldsig#dsa-sha1
http://www.w3.org/2000/09/xmldsig#dsa-sha1
http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha1
http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha256
http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha384
http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha512
http://www.w3.org/2001/04/xmldsig-more#rsa-md5
http://www.w3.org/2000/09/xmldsig#rsa-sha1
http://www.w3.org/2001/04/xmldsig-more#rsa-ripemd160
http://www.w3.org/2000/09/xmldsig#rsa-sha1
http://www.w3.org/2001/04/xmldsig-more#rsa-sha256
http://www.w3.org/2001/04/xmldsig-more#rsa-sha384
http://www.w3.org/2001/04/xmldsig-more#rsa-sha512
valid values for 'signatureReferenceDigestMethod'
=== Supported Digests ===
http://www.w3.org/2001/04/xmldsig-more#md5
http://www.w3.org/2001/04/xmlenc#ripemd160
http://www.w3.org/2000/09/xmldsig#sha1
http://www.w3.org/2001/04/xmlenc#sha256
http://www.w3.org/2001/04/xmldsig-more#sha384
http://www.w3.org/2001/04/xmlenc#sha512