io.jsonwebtoken.impl.crypto.DefaultSignatureValidatorFactory Maven / Gradle / Ivy
/*
* Copyright (C) 2014 jsonwebtoken.io
*
* 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 io.jsonwebtoken.impl.crypto;
import io.jsonwebtoken.SignatureAlgorithm;
import io.jsonwebtoken.lang.Assert;
import java.security.Key;
public class DefaultSignatureValidatorFactory implements SignatureValidatorFactory {
public static final SignatureValidatorFactory INSTANCE = new DefaultSignatureValidatorFactory();
@Override
public SignatureValidator createSignatureValidator(SignatureAlgorithm alg, Key key) {
Assert.notNull(alg, "SignatureAlgorithm cannot be null.");
Assert.notNull(key, "Signing Key cannot be null.");
switch (alg) {
case HS256:
case HS384:
case HS512:
return new MacValidator(alg, key);
case RS256:
case RS384:
case RS512:
case PS256:
case PS384:
case PS512:
return new RsaSignatureValidator(alg, key);
case ES256:
case ES384:
case ES512:
return new EllipticCurveSignatureValidator(alg, key);
default:
throw new IllegalArgumentException("The '" + alg.name() + "' algorithm cannot be used for signing.");
}
}
}