kafka ScramCredential 源码
kafka ScramCredential 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/security/scram/ScramCredential.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.kafka.common.security.scram;
/**
* SCRAM credential class that encapsulates the credential data persisted for each user that is
* accessible to the server. See <a href="https://tools.ietf.org/html/rfc5802#section-5">RFC rfc5802</a>
* for details.
*/
public class ScramCredential {
private final byte[] salt;
private final byte[] serverKey;
private final byte[] storedKey;
private final int iterations;
/**
* Constructs a new credential.
*/
public ScramCredential(byte[] salt, byte[] storedKey, byte[] serverKey, int iterations) {
this.salt = salt;
this.serverKey = serverKey;
this.storedKey = storedKey;
this.iterations = iterations;
}
/**
* Returns the salt used to process this credential using the SCRAM algorithm.
*/
public byte[] salt() {
return salt;
}
/**
* Server key computed from the client password using the SCRAM algorithm.
*/
public byte[] serverKey() {
return serverKey;
}
/**
* Stored key computed from the client password using the SCRAM algorithm.
*/
public byte[] storedKey() {
return storedKey;
}
/**
* Number of iterations used to process this credential using the SCRAM algorithm.
*/
public int iterations() {
return iterations;
}
}
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