<html>
<head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/crypto-js.min.js"></script>
<script>
function getAesString(data,key,iv){//加密
var key = CryptoJS.enc.Latin1.parse(key);
var iv = CryptoJS.enc.Latin1.parse(iv);
var srcs = CryptoJS.enc.Utf8.parse(data);
var encrypted = CryptoJS.AES.encrypt(srcs,key,
{iv:iv,mode:CryptoJS.mode.CBC,padding:CryptoJS.pad.Pkcs7});
return encrypted;
}
function getDAesString(encrypted,key,iv){//解密
var key = CryptoJS.enc.Latin1.parse(key);
var iv = CryptoJS.enc.Latin1.parse(iv);
var decrypted = CryptoJS.AES.decrypt(encrypted,key,
{iv:iv,mode:CryptoJS.mode.CBC,padding:CryptoJS.pad.Pkcs7});
return decrypted.toString(CryptoJS.enc.Utf8);
}
function getAES(){ //加密
var data = 'abcde';//明文
var key = 'qaz'; //密钥
var iv = '123456';
var encrypted = getAesString(data,key,iv); //密文
// var enstr = CryptoJS.enc.Base64.stringify(encrypted.ciphertext);
console.log(encrypted.ciphertext.toString());
console.log("-----------------------");
var back0 = CryptoJS.enc.Hex.parse(encrypted.ciphertext.toString());
console.log(back0);
var back1 = CryptoJS.enc.Base64.stringify(back0);
var back = getDAesString(back1,key,iv);
console.log(back);
}
getAES();
</script>
</head>
<body>
</body>
</html>
package com.hmp.common.util;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.binary.Hex;
public class AesEncryptUtil {
//可配置到Constant中，并读取配置文件注入,16位,自己定义
private static final String KEY = "abcdefgabcdefg12";
//参数分别代表 算法名称/加密模式/数据填充方式
private static final String ALGORITHMSTR = "AES/ECB/PKCS5Padding";
/**
* 加密
* @param content 加密的字符串
* @param encryptKey key值
* @return
* @throws Exception
*/
public static String encrypt(String content, String encryptKey) throws Exception {
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128);
Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(encryptKey.getBytes(), "AES"));
byte[] b = cipher.doFinal(content.getBytes("utf-8"));
String hexStr = parseByte2HexStr(b);
// 采用base64算法进行转码,避免出现中文乱码
return hexStr;
}
/**
* 解密
* @param encryptStr 解密的字符串
* @param decryptKey 解密的key值
* @return
* @throws Exception
*/
public static String decrypt(String encryptStr, String decryptKey) throws Exception {
byte[] hexs = Hex.decodeHex(encryptStr);
String str = Base64.encodeBase64String(hexs);
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128);
Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(decryptKey.getBytes(), "AES"));
// 采用base64算法进行转码,避免出现中文乱码
byte[] encryptBytes = Base64.decodeBase64(str);
byte[] decryptBytes = cipher.doFinal(encryptBytes);
return new String(decryptBytes);
}
public static String encrypt(String content) throws Exception {
return encrypt(content, KEY);
}
public static String decrypt(String encryptStr) throws Exception {
return decrypt(encryptStr, KEY);
}
/**将二进制转换成16进制
* @param buf
* @return
*/
public static String parseByte2HexStr(byte buf[]) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < buf.length; i++) {
String hex = Integer.toHexString(buf[i] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
sb.append(hex);
}
return sb.toString();
}
/**将16进制转换为二进制
* @param hexStr
* @return
*/
public static byte[] parseHexStr2Byte(String hexStr) {
if (hexStr.length() < 1)
return null;
byte[] result = new byte[hexStr.length()/2];
for (int i = 0;i< hexStr.length()/2; i++) {
int high = Integer.parseInt(hexStr.substring(i*2, i*2+1), 16);
int low = Integer.parseInt(hexStr.substring(i*2+1, i*2+2), 16);
result[i] = (byte) (high * 16 + low);
}
return result;
}
public static void main(String[] args) throws Exception {
String mw = AesEncryptUtil.encrypt("admin");
System.out.println(mw);
System.out.println(AesEncryptUtil.decrypt(mw));
}
}
AES加密解密
Wesley13
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