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50精币
代码如下-易语言的java虚拟机我看不懂 希望大神写个调用这个加密jar包的易语言例子谢谢了
package com.common.tools;
import java.io.UnsupportedEncodingException;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
/**
* 3DES加密工具 <功能详细描述>
* @Version [版本号, 2014-11-3]
* @see [相关类/方法]
* @since [产品/模块版本]
*/
public class ThreeDesTools {
// 定义加密算法,有DES、DESede(即3DES)、Blowfish
private static final String Algorithm = "DESede";
/**
* 加密字符串
* @param key
* 加密秘钥
* @param src
* 加密前字符串
* @return
* @see [类、类#方法、类#成员]
*/
public static String encryptMode(String key, String src) {
try {
byte[] keybyte = build3DesKey(key);
byte[] srcbyte = src.getBytes("UTF8");
// 生成密钥
SecretKey deskey = new SecretKeySpec(keybyte, Algorithm); // 加密
Cipher c1 = Cipher.getInstance(Algorithm);
c1.init(Cipher.ENCRYPT_MODE, deskey);
byte[] byteMi = c1.doFinal(srcbyte);
return StringTools.bytesToHexString(byteMi);
} catch (java.security.NoSuchAlgorithmException e1) {
e1.printStackTrace();
} catch (javax.crypto.NoSuchPaddingException e2) {
e2.printStackTrace();
} catch (java.lang.Exception e3) {
e3.printStackTrace();
}
return null;
}
/**
* 解密字符串
*
* @param key
* 秘钥
* @param src
* 需要解密字符串
* @return
* @see [类、类#方法、类#成员]
*/
public static String decryptMode(String key, String src) {
try {
byte[] keybyte = build3DesKey(key);
byte[] srcbyte = StringTools.hexStringToBytes(src);
// 生成密钥
SecretKey deskey = new SecretKeySpec(keybyte, Algorithm); // 解密
Cipher c1 = Cipher.getInstance(Algorithm);
c1.init(Cipher.DECRYPT_MODE, deskey);
byte[] byteMing = c1.doFinal(srcbyte);
String strMing = new String(byteMing, "UTF8");
return strMing;
} catch (java.security.NoSuchAlgorithmException e1) {
e1.printStackTrace();
} catch (javax.crypto.NoSuchPaddingException e2) {
e2.printStackTrace();
} catch (java.lang.Exception e3) {
e3.printStackTrace();
}
return null;
}
public static String createAceKey() {
long random = System.currentTimeMillis() + (long)(Math.random() * 10000);
byte b[] = new String(""+random).getBytes();
String aceKey = Base64.encode(b);
return aceKey;
}
public static void main(String[] args) {
String key = createAceKey();
System.out.println(key);
// MTQ3MzE0ODI0NjM5NA==
// MTQ3MzE0ODMwOTk4MA==
// MTQ3MzE0ODM1NTk0NA==
StringBuffer sb=new StringBuffer();
// String msg = "{\"employeePhonekey\":\"1234567890\",\"hostId\":\"000078\",\"devId\":\"0000CF\",\"type\":\"1\"}";
String msg = "{\"employeeId\":\"1\"}";
sb.append(msg);
System.out.println(sb.length());
System.out.println("【加密前】:" + sb.toString());
String secretArr = ThreeDesTools.encryptMode(key, sb.toString());
System.out.println("【加密后】:" + secretArr);
String ddd = ThreeDesTools.decryptMode(key, secretArr);
System.out.println("【解密后】:" + ddd);
}
/*
* 根据字符串生成密钥字节数组
*
* @param keyStr 密钥字符串
*
* @return
*
* @throws UnsupportedEncodingException
*/
private static byte[] build3DesKey(String keyStr) {
byte[] key = new byte[24]; // 声明一个24位的字节数组,默认里面都是0
byte[] temp;
try {
temp = keyStr.getBytes("UTF8");
// 将字符串转成字节数组
/*
* 执行数组拷贝 System.arraycopy(源数组,从源数组哪里开始拷贝,目标数组,拷贝多少位)
*/
if (key.length > temp.length) {
// 如果temp不够24位,则拷贝temp数组整个长度的内容到key数组中
System.arraycopy(temp, 0, key, 0, temp.length);
} else {
// 如果temp大于24位,则拷贝temp数组24个长度的内容到key数组中
System.arraycopy(temp, 0, key, 0, key.length);
}
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return key;
}
}
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