io.jsonwebtoken.impl.security.OctetJwkFactory Maven / Gradle / Ivy
/*
* Copyright © 2023 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.security;
import io.jsonwebtoken.impl.lang.Parameter;
import io.jsonwebtoken.impl.lang.ParameterReadable;
import io.jsonwebtoken.security.Jwk;
import io.jsonwebtoken.security.UnsupportedKeyException;
import java.security.Key;
import java.util.Set;
public abstract class OctetJwkFactory> extends AbstractFamilyJwkFactory {
OctetJwkFactory(Class keyType, Set> params) {
super(DefaultOctetPublicJwk.TYPE_VALUE, keyType, params);
}
@Override
public boolean supports(Key key) {
return super.supports(key) && EdwardsCurve.isEdwards(key);
}
protected static EdwardsCurve getCurve(final ParameterReadable reader) throws UnsupportedKeyException {
Parameter param = DefaultOctetPublicJwk.CRV;
String crvId = reader.get(param);
EdwardsCurve curve = EdwardsCurve.findById(crvId);
if (curve == null) {
String msg = "Unrecognized OKP JWK " + param + " value '" + crvId + "'";
throw new UnsupportedKeyException(msg);
}
return curve;
}
}