io.jsonwebtoken.impl.security.DefaultEcPublicJwk Maven / Gradle / Ivy
/*
* Copyright (C) 2021 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.impl.lang.Parameters;
import io.jsonwebtoken.lang.Collections;
import io.jsonwebtoken.security.EcPublicJwk;
import io.jsonwebtoken.security.PublicJwk;
import java.math.BigInteger;
import java.security.interfaces.ECPublicKey;
import java.util.List;
import java.util.Set;
class DefaultEcPublicJwk extends AbstractPublicJwk implements EcPublicJwk {
static final String TYPE_VALUE = "EC";
static final Parameter CRV = Parameters.string("crv", "Curve");
static final Parameter X = Parameters.bigInt("x", "X Coordinate")
.setConverter(FieldElementConverter.B64URL_CONVERTER).build();
static final Parameter Y = Parameters.bigInt("y", "Y Coordinate")
.setConverter(FieldElementConverter.B64URL_CONVERTER).build();
static final Set> PARAMS = Collections.concat(AbstractAsymmetricJwk.PARAMS, CRV, X, Y);
// https://www.rfc-editor.org/rfc/rfc7638#section-3.2
static final List> THUMBPRINT_PARAMS = Collections.>of(CRV, KTY, X, Y);
DefaultEcPublicJwk(JwkContext ctx) {
super(ctx, THUMBPRINT_PARAMS);
}
static boolean equalsPublic(ParameterReadable self, Object candidate) {
return Parameters.equals(self, candidate, CRV) &&
Parameters.equals(self, candidate, X) &&
Parameters.equals(self, candidate, Y);
}
@Override
protected boolean equals(PublicJwk jwk) {
return jwk instanceof EcPublicJwk && equalsPublic(this, jwk);
}
}