spring security SharedKeyGenerator 源码
spring security SharedKeyGenerator 代码
文件路径：/crypto/src/main/java/org/springframework/security/crypto/keygen/SharedKeyGenerator.java
/*
* Copyright 2011-2016 the original author or authors.
*
* 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
*
* https://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.springframework.security.crypto.keygen;
/**
* Key generator that simply returns the same key every time.
*
* @author Keith Donald
* @author Annabelle Donald
* @author Corgan Donald
*/
final class SharedKeyGenerator implements BytesKeyGenerator {
private byte[] sharedKey;
SharedKeyGenerator(byte[] sharedKey) {
this.sharedKey = sharedKey;
}
@Override
public int getKeyLength() {
return this.sharedKey.length;
}
@Override
public byte[] generateKey() {
return this.sharedKey;
}
}
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