org.keycloak.crypto.ECDSASignatureVerifierContext Maven / Gradle / Ivy
/*
* Copyright 2024 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.crypto;
import org.keycloak.common.VerificationException;
public class ECDSASignatureVerifierContext extends AsymmetricSignatureVerifierContext{
public ECDSASignatureVerifierContext(KeyWrapper key) {
super(key);
}
@Override
public boolean verify(byte[] data, byte[] signature) throws VerificationException {
try {
int expectedSize = ECDSAAlgorithm.getSignatureLength(getAlgorithm());
byte[] derSignature = ECDSAAlgorithm.concatenatedRSToASN1DER(signature, expectedSize);
return super.verify(data, derSignature);
} catch (Exception e) {
throw new VerificationException("Verification failed", e);
}
}
}