spring security BytesKeyGenerator 源码

  • 2022-08-13
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spring security BytesKeyGenerator 代码

文件路径:/crypto/src/main/java/org/springframework/security/crypto/keygen/BytesKeyGenerator.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;

/**
 * A generator for unique byte array-based keys.
 *
 * @author Keith Donald
 */
public interface BytesKeyGenerator {

	/**
	 * Get the length, in bytes, of keys created by this generator. Most unique keys are
	 * at least 8 bytes in length.
	 */
	int getKeyLength();

	/**
	 * Generate a new key.
	 */
	byte[] generateKey();

}

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