Thread: BAd Padding exception

well, i have problem with my program regarding AeS ecryption and decryption,,.
I have successful encrypt a file using 128bit AES/ECB/PKCS7Padding.but i failed to decrypt the file.

public byte[][] decrypt(byte[][] data) throws GeneralSecurityException, Exception {
        Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
        RSAPrivateKey privKey = (RSAPrivateKey) readPrivateKey(keyPath);
        Cipher cipherA = Cipher.getInstance("AES/ECB/PKCS7Padding", "BC");
        Cipher cipher = Cipher.getInstance("RSA/ECB/NOPadding", "BC");
        Cipher cipherA2 = Cipher.getInstance("AES/ECB/PKCS7Padding", "BC");
        //    RSAPublicKey pubKey = (RSAPublicKey) readKeyFromFile(keyPath);
        cipher.init(Cipher.DECRYPT_MODE, privKey);
        secretKey = cipher.doFinal(data[2]);
        System.out.println("\n\n"+"DecryptionClass");
        System.out.println("Encrypted Key="+new String(data[2])+"\n"+"Encrypted data"+new String(data[1]));
        System.out.println("SecretKey="+new String(secretKey));
        SecretKeySpec skeySpec = new SecretKeySpec(secretKey, "AES");
        cipherA2.init(Cipher.DECRYPT_MODE, skeySpec);
       cipherData =cipherA2.doFinal(data[0]);
        cipherA.init(Cipher.DECRYPT_MODE, skeySpec);
        cipherFileName = cipherA.doFinal(data[1]);
        decryp[0]= cipherData;
        decryp[1]= secretKey;
        decryp[2]=cipherFileName;
        System.out.println("\n\n"+"DecryptionClass");
        System.out.println("data="+new String(decryp[0])+"\n"+"Encrypted data"+new String(data[1]));
 
        System.out.println("Decrepted Key"+new String(decryp[1])+"\n"+"Encrypted key="+new String(data[2]));
 
        return decryp;

well, i get cipherFileName..

Cross posted at BAd Padding exception - Java Forums