org.keycloak.sdjwt.DecoyEntry 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.sdjwt;
import java.util.Objects;
import org.keycloak.jose.jws.crypto.HashUtils;
/**
* Handles hash production for a decoy entry from the given salt.
*
* @author Francis Pouatcha
*
*/
public abstract class DecoyEntry {
private final SdJwtSalt salt;
protected DecoyEntry(SdJwtSalt salt) {
this.salt = Objects.requireNonNull(salt, "DecoyEntry always requires a non null salt");
}
public SdJwtSalt getSalt() {
return salt;
}
public String getDisclosureDigest(String hashAlg) {
return SdJwtUtils.encodeNoPad(HashUtils.hash(hashAlg, salt.toString().getBytes()));
}
}