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65 lines
2.3 KiB
65 lines
2.3 KiB
3 years ago
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package com.ynxbd.common.helper.common;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.codec.binary.Hex;
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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.nio.charset.StandardCharsets;
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/**
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* AES加密算法
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*/
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@Slf4j
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public class AesHelper {
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public static String decryptHex(String data, String key, String iv) {
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try {
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SecretKeySpec secretKey = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), "AES");
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Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
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cipher.init(Cipher.DECRYPT_MODE, secretKey, new IvParameterSpec(iv.getBytes(StandardCharsets.UTF_8)));
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return new String(cipher.doFinal(Hex.decodeHex(data.toCharArray())));
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} catch (Exception e) {
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log.warn(e.getMessage());
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return null;
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}
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}
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/**
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* Aes加密算法( Hex)
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*
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* @param data 加密数据
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* @param key 密钥（16位）
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* @param iv 密钥偏移量
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* @return 加密后的数据
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*/
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public static String encryptHex(String data, String key, String iv) {
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try {
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if (key == null || key.length() != 16) {
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throw new Exception("Key长度不是16位");
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}
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Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); //"算法/模式/补码方式"
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cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), "AES"), new IvParameterSpec(iv.getBytes()));
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byte[] encrypted = cipher.doFinal(data.getBytes());
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return Hex.encodeHexString(encrypted).toUpperCase();
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} catch (Exception e) {
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log.warn(e.getMessage());
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return null;
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}
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}
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public static void main(String[] args) throws Exception {
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long beg = System.currentTimeMillis();
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String encrypt = encryptHex("文字123", "wsqysqsdssjtwmyd", "xbzynydykkxxkkll");
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System.out.println(encrypt);
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long end = System.currentTimeMillis();
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System.out.println(end - beg);
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String a = decryptHex("111123", "wsqysqsdssjtwmyd", "xbzynydykkxxkkll");
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System.out.println(a);
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}
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}
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