package com.ruoyi.system.utils.xiMaUtil;
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import org.bouncycastle.jce.provider.BouncyCastleProvider;
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import javax.crypto.Cipher;
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import javax.crypto.spec.IvParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import java.security.Security;
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/**
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*
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* 加密方式:AES CBC模式
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* Key:ciicciicciicciic
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* IV:ciic2022ciic2022
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* 例:
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* 加密前:1234567890
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* 加密后:10ed567b9d42a385926d6166f97008ce
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*
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* 测试地址参考：http://tool.chacuo.net/cryptaes/
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* AES加密模式:CBC 填充：pkcs7padding 数据块：128位 密码：ciicciicciicciic 偏移量:ciic2022ciic2022 输出:hex 字符集：utf8编码(unicode编码)
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*
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*/
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public class AesUtil {
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static {
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Security.addProvider(new BouncyCastleProvider());
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}
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public static void main(String[] args) {
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try {
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//根据指定字符串生成秘钥
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/*KeyGenerator kg = KeyGenerator.getInstance("AES");
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kg.init(128,new SecureRandom("ceshi".getBytes()));
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SecretKey sk = kg.generateKey();
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String keyStr = Base64.getEncoder().encodeToString(sk.getEncoded());
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byte[] iv = Base64.getDecoder().decode(keyStr);
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byte[] key = Base64.getDecoder().decode(keyStr); */
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String key = "7bc47ce80ff74c1cbebad1ced111243d";
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String iv = "69b84732eace4e6a";
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String content = "1234567890";
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String encrypted = encrypt(key, iv, content);
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System.out.println("加密后: " + encrypted);
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String raw = decrypt(key, iv , encrypted);
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System.out.println("解密后: " + raw);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public static String encrypt(String key, String iv, String content) {
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try {
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SecretKeySpec skeySpec = new SecretKeySpec(key.getBytes(), "AES");
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Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");//"算法/模式/补码方式"
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IvParameterSpec ips = new IvParameterSpec(iv.getBytes());
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cipher.init(Cipher.ENCRYPT_MODE, skeySpec, ips);
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return Hex.byteToHex(cipher.doFinal(content.getBytes()));
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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public static String decrypt(String key,String iv, String content) {
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try {
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SecretKeySpec skeySpec = new SecretKeySpec(key.getBytes(), "AES");
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Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");
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IvParameterSpec ips = new IvParameterSpec(iv.getBytes());
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cipher.init(Cipher.DECRYPT_MODE, skeySpec, ips);
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return new String(cipher.doFinal(Hex.hexToByte(content)) );
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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}
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