jsフロントエンド3des暗号化バックグラウンドjava復号化

import java.security.Key;
import java.security.SecureRandom;
import javax.crypto.Cipher;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESedeKeySpec;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
  
  
/**  
 * des加密解密  
 *   
 * @author  
 *   
 */  
public class DesEncrypt {  
  
Key key;  

public DesEncrypt(String str) {  
    setKey(str);// 生成密匙  
}  

public DesEncrypt() {  
    setKey("abc123.*abc123.*abc123.*abc123.*");  
}  

/**  
 * 根据参数生成KEY  
 */  
public void setKey(String strKey) {  
    try { 
    	//对比DES
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede");  
        this.key  = keyFactory.generateSecret(new DESedeKeySpec(strKey.getBytes("UTF8")));  
    } catch (Exception e) {  
        throw new RuntimeException(  
                "Error initializing SqlMap class. Cause: " + e);  
    }  
}  

  
/**  
 * 加密String明文输入,String密文输出  
 */  
public String encrypt(String strMing) {  
    byte[] byteMi = null;  
    byte[] byteMing = null;  
    String strMi = "";  
    BASE64Encoder base64en = new BASE64Encoder();  
    try {  
        byteMing = strMing.getBytes("UTF8");  
        byteMi = this.getEncCode(byteMing);  
        strMi = base64en.encode(byteMi);  
    } catch (Exception e) {  
        throw new RuntimeException(  
                "Error initializing SqlMap class. Cause: " + e);  
    } finally {  
        base64en = null;  
        byteMing = null;  
        byteMi = null;  
    }  
    return strMi;  
}  

/**  
 * 解密 以String密文输入,String明文输出  
 *   
 * @param strMi  
 * @return  
 */  
public String decrypt(String strMi) {  
    BASE64Decoder base64De = new BASE64Decoder();  
    byte[] byteMing = null;  
    byte[] byteMi = null;  
    String strMing = "";  
    try {  
        byteMi = base64De.decodeBuffer(strMi);  
        byteMing = this.getDesCode(byteMi);  
        strMing = new String(byteMing, "UTF8");  
    } catch (Exception e) {  
        throw new RuntimeException(  
                "Error initializing SqlMap class. Cause: " + e);  
    } finally {  
        base64De = null;  
        byteMing = null;  
        byteMi = null;  
    }  
    return strMing;  
}  

/**  
 * 加密以byte[]明文输入,byte[]密文输出  
 *   
 * @param byteS  
 * @return  
 */  
private byte[] getEncCode(byte[] byteS) {  
    byte[] byteFina = null;  
    Cipher cipher;  
    try {//对比DES 
        cipher = Cipher.getInstance("DESede");  
        cipher.init(Cipher.ENCRYPT_MODE, key,SecureRandom.getInstance("SHA1PRNG"));  
        byteFina = cipher.doFinal(byteS);  
    } catch (Exception e) {  
        throw new RuntimeException(  
                "Error initializing SqlMap class. Cause: " + e);  
    } finally {  
        cipher = null;  
    }  
    return byteFina;  
}  

/**  
 * 解密以byte[]密文输入,以byte[]明文输出  
 *   
 * @param byteD  
 * @return  
 */  
private byte[] getDesCode(byte[] byteD) {  
    Cipher cipher;  
    byte[] byteFina = null;  
    try {//对比DES
        cipher = Cipher.getInstance("DESede");  
        cipher.init(Cipher.DECRYPT_MODE, key,SecureRandom.getInstance("SHA1PRNG"));  
        byteFina = cipher.doFinal(byteD);  
    } catch (Exception e) {  
        throw new RuntimeException(  
                "Error initializing SqlMap class. Cause: " + e);  
    } finally {  
        cipher = null;  
    }  
    return byteFina;  
}  

  

public static void main(String args[])  {  
    DesEncrypt des = new DesEncrypt();  

    String str1 = "asssAAASSS.*/中";  
    // DES加密  
    String str2 = des.encrypt(str1);  
    DesEncrypt des1 = new DesEncrypt();  
    String deStr = des1.decrypt(str2);  
    System.out.println("密文:" + str2);  
    // DES解密  
    System.out.println("明文:" + deStr);
   
}

}

DESの鍵の長さは8ビットで、3DESの鍵の長さは32ビットです。

3DESキーマテリアルキーファクトリでは、暗号化アルゴリズムが異なります。

フロントエンドのjs暗号化

<!DOCTYPE html public "-//W3C//dtd html 4.0 Transitional//en">
<html>
	<head>		
		<meta http-equiv=Content-Type content="text/html;charset=utf-8">		
		<title>加密</title>
		<script src="tripledes2.js"></script>
		<script src="cipher-core.js"></script>  
		<script src="core.js"></script>
		<script src="mode-ecb.js"></script>
		<script src="md5.js"></script>
		<script type="text/javascript">		
		function encryptByDES(message, key) {  
   
			var keyHex = CryptoJS.enc.Utf8.parse(key);
			var encrypted = CryptoJS.DES.encrypt(message, keyHex, {  
			mode: CryptoJS.mode.ECB,  
			padding: CryptoJS.pad.Pkcs7  
			}); 
			return encrypted.toString();  
		}  
		function decryptByDES(ciphertext, key) {  
			var keyHex = CryptoJS.enc.Utf8.parse(key);  
		   
			// direct decrypt ciphertext
			var decrypted = CryptoJS.DES.decrypt({  
				ciphertext: CryptoJS.enc.Base64.parse(ciphertext)  
			}, keyHex, {  
				mode: CryptoJS.mode.ECB,  
				padding: CryptoJS.pad.Pkcs7  
			});  
		   
			return decrypted.toString(CryptoJS.enc.Utf8);  
		}		
		</script>		
	</head>	
	
	<body>	
	</body>
</html>

jsフロントエンド3des暗号化バックグラウンドjava復号化

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