135 lines
4.2 KiB
Plaintext
135 lines
4.2 KiB
Plaintext
|
/**
|
|||
|
|
* AES 128bit 加密解密工具类
|
|||
|
|
*/
|
|||
|
|
package com.nationalelectirc.utils;
|
|||
|
|
|
|||
|
|
import javax.crypto.Cipher;
|
|||
|
|
import javax.crypto.spec.IvParameterSpec;
|
|||
|
|
import javax.crypto.spec.SecretKeySpec;
|
|||
|
|
|
|||
|
|
import org.apache.commons.codec.binary.Base64;
|
|||
|
|
|
|||
|
|
public class AesEncryptUtil {
|
|||
|
|
|
|||
|
|
// 使用AES-128-CBC加密模式，key需要为16位,key和iv可以相同！
|
|||
|
|
public static final String KY = "sfrz20180607java";
|
|||
|
|
|
|||
|
|
public static final String IV = "sfrz20180607java";
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 加密方法
|
|||
|
|
*
|
|||
|
|
* @param data
|
|||
|
|
* 要加密的数据
|
|||
|
|
* @param key
|
|||
|
|
* 加密key
|
|||
|
|
* @param iv
|
|||
|
|
* 加密iv
|
|||
|
|
* @return 加密的结果
|
|||
|
|
* @throws Exception
|
|||
|
|
*/
|
|||
|
|
public static String encrypt(String data, String key, String iv) throws Exception {
|
|||
|
|
try {
|
|||
|
|
|
|||
|
|
Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");// "<22>㷨/ģʽ/<2F><><EFBFBD>뷽ʽ"
|
|||
|
|
int blockSize = cipher.getBlockSize();
|
|||
|
|
|
|||
|
|
byte[] dataBytes = data.getBytes();
|
|||
|
|
int plaintextLength = dataBytes.length;
|
|||
|
|
if (plaintextLength % blockSize != 0) {
|
|||
|
|
plaintextLength = plaintextLength + (blockSize - (plaintextLength % blockSize));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
byte[] plaintext = new byte[plaintextLength];
|
|||
|
|
System.arraycopy(dataBytes, 0, plaintext, 0, dataBytes.length);
|
|||
|
|
|
|||
|
|
SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
|
|||
|
|
IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
|
|||
|
|
|
|||
|
|
cipher.init(Cipher.ENCRYPT_MODE, keyspec, ivspec);
|
|||
|
|
byte[] encrypted = cipher.doFinal(plaintext);
|
|||
|
|
Base64 base64 = new Base64();
|
|||
|
|
encrypted = base64.encode(encrypted);
|
|||
|
|
return new String(encrypted,"UTF-8");
|
|||
|
|
|
|||
|
|
} catch (Exception e) {
|
|||
|
|
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 解密方法
|
|||
|
|
*
|
|||
|
|
* @param data
|
|||
|
|
* 要解密的数据
|
|||
|
|
* @param key
|
|||
|
|
* 解密key
|
|||
|
|
* @param iv
|
|||
|
|
* 解密iv
|
|||
|
|
* @return 解密的结果
|
|||
|
|
* @throws Exception
|
|||
|
|
*/
|
|||
|
|
public static String desEncrypt(String data, String key, String iv) throws Exception {
|
|||
|
|
try {
|
|||
|
|
byte[] b = data.getBytes();
|
|||
|
|
Base64 base64 = new Base64();
|
|||
|
|
byte[] encrypted1 = base64.decode(b);
|
|||
|
|
Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
|
|||
|
|
SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
|
|||
|
|
IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
|
|||
|
|
|
|||
|
|
cipher.init(Cipher.DECRYPT_MODE, keyspec, ivspec);
|
|||
|
|
|
|||
|
|
byte[] original = cipher.doFinal(encrypted1);
|
|||
|
|
String originalString = new String(original, "UTF-8");
|
|||
|
|
return originalString;
|
|||
|
|
} catch (Exception e) {
|
|||
|
|
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 使用默认的key和iv加密
|
|||
|
|
*
|
|||
|
|
* @param data
|
|||
|
|
* @return
|
|||
|
|
* @throws Exception
|
|||
|
|
*/
|
|||
|
|
public static String encrypt(String data) throws Exception {
|
|||
|
|
return encrypt(data, KY, IV);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 使用默认的key和iv解密
|
|||
|
|
*
|
|||
|
|
* @param data
|
|||
|
|
* @return
|
|||
|
|
* @throws Exception
|
|||
|
|
*/
|
|||
|
|
public static String desEncrypt(String data) throws Exception {
|
|||
|
|
return desEncrypt(data, KY, IV);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 测试
|
|||
|
|
*/
|
|||
|
|
// public static void main(String args[]) throws Exception {
|
|||
|
|
//
|
|||
|
|
// String test = "18729990110";
|
|||
|
|
//
|
|||
|
|
// String data = null;
|
|||
|
|
// String key = "dufy20170329java";
|
|||
|
|
// String iv = "dufy20170329java";
|
|||
|
|
//
|
|||
|
|
// data = encrypt(test, key, iv);
|
|||
|
|
//
|
|||
|
|
// System.out.println(data);
|
|||
|
|
// data = "e1pRPoA5eQSO6mY1spa3KW8ELlXoUuIdRzGzZR1yeSqj9unIe7r0O6LK/p1rZ/3yJ5DE5QpDbVrCAI+qavGA4Fuo+0ehB/n4WxYR1kbT4I6tfbgkI1oAC32XvOoX9cqSLuEOUpvwFe0tA2zO3FO4O/s6ergu7aaqMqq6c52y9GTm/3+RvFciJHXI0OlkVF92fg2OqKfEYPmHsKhnu5S4CtnHuqw5Ebbm7fI5H6jaIddf6S3e7is/v1bQ7EJ9MhkXyWq+MNsOl0HJBkjRoxBGm32D9/E52oObYj/8axhlWDdsA9erCps9Z0Jq3UvZ0B2Y8mfJ6glQC8TiNtBfdrIn5V9sRTN9/mC/81EZla96fw4dYcP27BFZ6C5T8gwT4K1pftSsyVsZsJ+B3KxDDvtwos5tEMub4RLZjC5WABHGT+ea3m0eDL9Jh7P+FUVD0TOLsP4/abxQJ0faMIzVyT08Tg==";
|
|||
|
|
// String data2 = "/3GcWickKhOKtV6v4ncCJii0Br4Lxb6r0GkRVm3MATZEgNh1CT2UC3hQbB+XNy6Lm19R0joUBwHE0uiebLdBgP/pyzlK6XlTfHseQCqg5yOaMLOjXrLL5yygH6+7GhDfrC9AanUgTZi7FVPoQu6jQT8YoP/+UObFi1fAtx/Dl7AxZW7OMAoLnQDWSGP9z2vRsIL8s/JQyO+B9+ePeHqtDhdRru0wb/ThdjUOQp1I1X0qOH7vTW7xmEjc8D0xck9gdgdtrlePu02Gcp2gmmS0ufuaJhDwEV/IW/djO2N+Ps+yNG7Tda4mRiTut7TphiyyfkUNduImqg1Qxn4uhUYcPTt4yxWYN2kjT8lOMKzDnvsRlopDrCBz22SlFkOFZ+W2cfxCpR0NQaBJAvzlWRrAJZ/V/OHuvZO9Hgo0224QyCnd/dKvwaA6Vzw2wdbOZ8KLk0BMIyBNESrpMQhu4XR9WQ==";
|
|||
|
|
// System.out.println(desEncrypt(data, key, iv));
|
|||
|
|
// System.out.println(desEncrypt(data2, key, iv));
|
|||
|
|
// }
|
|||
|
|
|
|||
|
|
}
|