package com.ruoyi.framework.config;
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import javax.crypto.KeyGenerator;
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import javax.crypto.SecretKey;
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import java.security.NoSuchAlgorithmException;
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public class GenerateCipherKey {
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/**
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* 随机生成秘钥，参考org.apache.shiro.crypto.AbstractSymmetricCipherService#generateNewKey(int)
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* @return
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*/
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public static byte[] generateNewKey() {
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KeyGenerator kg;
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try {
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kg = KeyGenerator.getInstance("AES");
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} catch (NoSuchAlgorithmException var5) {
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String msg = "Unable to acquire AES algorithm. This is required to function.";
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throw new IllegalStateException(msg, var5);
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}
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kg.init(128);
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SecretKey key = kg.generateKey();
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byte[] encoded = key.getEncoded();
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return encoded;
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}
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}
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