sl@0: /*
sl@0: * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0:    import java.security.*;
sl@0:    import javax.crypto.*;
sl@0:    import javax.crypto.spec.*;
sl@0:    import java.io.*;
sl@0:    import java.io.*;
sl@0:    import java.security.spec.*;
sl@0:    import javax.net.ssl.SSLServerSocket;
sl@0:    import javax.net.ssl.SSLServerSocketFactory;
sl@0:    import javax.net.ssl.SSLSocket;
sl@0:    
sl@0:    /**
sl@0:    * This program generates a AES key, retrieves its raw bytes, and
sl@0:    * then reinstantiates a AES key from the key bytes.
sl@0:    * The reinstantiated key is used to initialize a AES cipher for
sl@0:    * encryption and decryption.
sl@0:    */
sl@0: 
sl@0:    public class GENDAT {
sl@0: 
sl@0:      /**
sl@0:      * Turns array of bytes into string
sl@0:      *
sl@0:      * @param buf	Array of bytes to convert to hex string
sl@0:      * @return	Generated hex string
sl@0:      */
sl@0:      public static String asHex (byte buf[]) {
sl@0:       StringBuffer strbuf = new StringBuffer(buf.length * 2);
sl@0:       int i;
sl@0: 
sl@0:       for (i = 0; i < buf.length; i++) {
sl@0:        if (((int) buf[i] & 0xff) < 0x10)
sl@0: 	    strbuf.append("0");
sl@0: 
sl@0:        strbuf.append(Long.toString((int) buf[i] & 0xff, 16));
sl@0:       }
sl@0: 
sl@0:       return strbuf.toString();
sl@0:      }
sl@0: 
sl@0:      public static void main(String[] args) throws Exception {
sl@0:     String algo="";
sl@0:     String oper="";
sl@0:     String pad="";
sl@0:     String composite="";
sl@0:     
sl@0:     String inContents="";
sl@0:     String outContents="";
sl@0:     String keyContents="";
sl@0:     String ivContents="";
sl@0:     
sl@0:     String inPath = args[0];
sl@0:     String outPath = args[1];
sl@0:     String keyPath = args[2];
sl@0:     String ivPath = "";
sl@0:     
sl@0: 	algo = args[3];
sl@0: 	composite = args[4];
sl@0: 
sl@0:     if(args.length>=6)
sl@0:     {
sl@0:     	ivPath = args[5];
sl@0:     	
sl@0:         BufferedReader ivFile = new BufferedReader(new FileReader(ivPath));
sl@0:         ivContents = ivFile.readLine();
sl@0:         ivFile.close();
sl@0:     }
sl@0: 
sl@0: 	
sl@0:     // read in the file contents
sl@0:     BufferedReader inFile = new BufferedReader(new FileReader(inPath));
sl@0:     inContents = inFile.readLine();
sl@0:     inFile.close();
sl@0:     
sl@0:     BufferedReader keyFile = new BufferedReader(new FileReader(keyPath));
sl@0:     keyContents = keyFile.readLine();
sl@0:     keyFile.close();
sl@0:     
sl@0: 
sl@0: 
sl@0: 
sl@0:     // Get the KeyGenerator
sl@0: 	//	KeyGenerator kgen = KeyGenerator.getInstance(algo);
sl@0: 	//	kgen.init(56); // 192 and 256 bits may not be available
sl@0: 
sl@0: 
sl@0:        // Generate the secret key specs.
sl@0:    //    SecretKey skey = kgen.generateKey();
sl@0:      //  byte[] raw = skey.getEncoded();
sl@0: 
sl@0: 		byte[] raw = keyContents.getBytes();
sl@0: 		
sl@0:        SecretKeySpec skeySpec = new SecretKeySpec(raw, algo);
sl@0: 
sl@0:        Cipher cipher = Cipher.getInstance(composite);
sl@0:        
sl@0:        byte[] ivBytes = ivContents.getBytes();
sl@0:        
sl@0:        if(ivBytes.length > 0)
sl@0:        {
sl@0:     	   if(algo.equals("RC2"))
sl@0:     	   {
sl@0:     		   RC2ParameterSpec rc2Spec = new RC2ParameterSpec(64, ivBytes);
sl@0:     	       cipher.init(Cipher.ENCRYPT_MODE, skeySpec, rc2Spec );
sl@0:     	   }
sl@0:     	   else
sl@0:     	   {     
sl@0:     		   AlgorithmParameterSpec paramSpec = new IvParameterSpec(ivBytes);
sl@0:     		   cipher.init(Cipher.ENCRYPT_MODE, skeySpec, paramSpec );
sl@0:     	   }
sl@0:        }
sl@0:        else
sl@0:        {
sl@0:            cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
sl@0:        }
sl@0:        FileOutputStream outFile = new FileOutputStream(outPath);
sl@0:        PrintStream p = new PrintStream( outFile );
sl@0:        
sl@0:        byte[] encrypted =
sl@0:          cipher.doFinal(inContents.getBytes());
sl@0:        System.out.print("encrypted string: " + asHex(encrypted));
sl@0:        p.print(asHex(encrypted));
sl@0:        
sl@0:        p.close();
sl@0:     
sl@0: 
sl@0:      }
sl@0:    }