CryptoSample

Hello

I'm new to the Blackberry development.  I have the following encrypt / decrypt routines and must wear to my blackberry project.  Can you please help me get started?

Concerning

Jaco

/*
import javax.crypto.*;
import javax.crypto.spec.*;
import java.io.*;
import java.util.zip.CRC32;
import java.util.zip.Checksum;
import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
*/

public String EncryptData(String data, String skey) throws Exception {
        String encryptedData = "";        

        try{
           byte [] bData = data.getBytes();
           String alg = "AES/ECB/NoPadding";
           SecretKey key = new SecretKeySpec(skey.getBytes(), alg.replaceFirst("/.*", ""));
           Cipher cipher = Cipher.getInstance(alg);
           cipher.init(Cipher.ENCRYPT_MODE, key);
           byte[] encoded = cipher.doFinal(bData);
           encryptedData = bytesToHex(encoded);
        }
        catch(Exception e){
            throw e;
        }
        return encryptedData;
    }

public String DecryptData(String hexString, String skey) throws Exception {

        String decryptedData = "";
        try{
           byte [] bData =  convToBinary(hexString);

           String alg = "AES/ECB/NoPadding";
           SecretKey key = new SecretKeySpec(skey.getBytes(), alg.replaceFirst("/.*", ""));
           Cipher cipher = Cipher.getInstance(alg);
           cipher.init(Cipher.DECRYPT_MODE, key);
           byte[] decoded = cipher.doFinal(bData);
           decryptedData = new String(decoded);
        }
        catch(Exception e){
            throw e;
        }
        return decryptedData;
    }