/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.saml;
import java.security.Signature;
import java.util.HashMap;
import java.util.Map;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public enum SignatureAlgorithm {
RSA_SHA1("http://www.w3.org/2000/09/xmldsig#rsa-sha1", "http://www.w3.org/2000/09/xmldsig#sha1", "SHA1withRSA"),
RSA_SHA256("http://www.w3.org/2001/04/xmldsig-more#rsa-sha256", "http://www.w3.org/2001/04/xmlenc#sha256", "SHA256withRSA"),
RSA_SHA512("http://www.w3.org/2001/04/xmldsig-more#rsa-sha512", "http://www.w3.org/2001/04/xmlenc#sha512", "SHA512withRSA"),
DSA_SHA1("http://www.w3.org/2000/09/xmldsig#dsa-sha1", "http://www.w3.org/2000/09/xmldsig#sha1", "SHA1withDSA")
;
private final String xmlSignatureMethod;
private final String xmlSignatureDigestMethod;
private final String javaSignatureAlgorithm;
private static final Map<String, SignatureAlgorithm> signatureMethodMap = new HashMap<>();
private static final Map<String, SignatureAlgorithm> signatureDigestMethodMap = new HashMap<>();
static {
signatureMethodMap.put(RSA_SHA1.getXmlSignatureMethod(), RSA_SHA1);
signatureMethodMap.put(RSA_SHA256.getXmlSignatureMethod(), RSA_SHA256);
signatureMethodMap.put(RSA_SHA512.getXmlSignatureMethod(), RSA_SHA512);
signatureMethodMap.put(DSA_SHA1.getXmlSignatureMethod(), DSA_SHA1);
signatureDigestMethodMap.put(RSA_SHA1.getXmlSignatureDigestMethod(), RSA_SHA1);
signatureDigestMethodMap.put(RSA_SHA256.getXmlSignatureDigestMethod(), RSA_SHA256);
signatureDigestMethodMap.put(RSA_SHA512.getXmlSignatureDigestMethod(), RSA_SHA512);
signatureDigestMethodMap.put(DSA_SHA1.getXmlSignatureDigestMethod(), DSA_SHA1);
}
public static SignatureAlgorithm getFromXmlMethod(String xml) {
return signatureMethodMap.get(xml);
}
public static SignatureAlgorithm getFromXmlDigest(String xml) {
return signatureDigestMethodMap.get(xml);
}
SignatureAlgorithm(String xmlSignatureMethod, String xmlSignatureDigestMethod, String javaSignatureAlgorithm) {
this.xmlSignatureMethod = xmlSignatureMethod;
this.xmlSignatureDigestMethod = xmlSignatureDigestMethod;
this.javaSignatureAlgorithm = javaSignatureAlgorithm;
}
public String getXmlSignatureMethod() {
return xmlSignatureMethod;
}
public String getXmlSignatureDigestMethod() {
return xmlSignatureDigestMethod;
}
public String getJavaSignatureAlgorithm() {
return javaSignatureAlgorithm;
}
public Signature createSignature() {
try {
return Signature.getInstance(javaSignatureAlgorithm);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}