Examples of javax.crypto.SecretKeyFactory.generateSecret()

javax.crypto.SecretKeyFactory.generateSecret()
Generate a secret key from the specified key specification. @param keySpec the key specification. @return a secret key. @throws InvalidKeySpecException if the specified key specification cannot be used to generate a secret key.

   {
      // Create the PBE secret key
      cipherSpec = new PBEParameterSpec(salt, iterationCount);
      PBEKeySpec keySpec = new PBEKeySpec(keyStorePassword);
      SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithMD5andDES");
      cipherKey = factory.generateSecret(keySpec);
   }


   private void loadKeyAndTrustStore() throws Exception
   {
      if (keyStorePassword != null)

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   */
  private static byte[] des(byte[] inputBytes, byte[] keyBytes, int mode) {
    try {
      DESKeySpec desKeySpec = new DESKeySpec(keyBytes);
      SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(DES);
      SecretKey secretKey = keyFactory.generateSecret(desKeySpec);


      Cipher cipher = Cipher.getInstance(DES);
      cipher.init(mode, secretKey);
      return cipher.doFinal(inputBytes);
    } catch (GeneralSecurityException e) {

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      // Set up a Key Encryption Key
      byte[] bits192 = "abcdefghijklmnopqrstuvwx".getBytes();
            DESedeKeySpec keySpec = new DESedeKeySpec(bits192);
            SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede");
            Key kek = keyFactory.generateSecret(keySpec);


      // Generate a traffic key
      KeyGenerator keygen = KeyGenerator.getInstance("AES");
      keygen.init(192);
      Key key = keygen.generateKey();

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            // prepare for encryption
            byte[] passPhrase = "24 Bytes per DESede key!".getBytes();
            DESedeKeySpec keySpec = new DESedeKeySpec(passPhrase);
            SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede");
            SecretKey key = keyFactory.generateSecret(keySpec);


            // encrypt
            cipher = XMLCipher.getInstance(XMLCipher.TRIPLEDES);
            cipher.init(XMLCipher.ENCRYPT_MODE, key);
            ed = cipher.doFinal(d, e);

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            // prepare for encryption
            byte[] passPhrase = "24 Bytes per DESede key!".getBytes();
            DESedeKeySpec keySpec = new DESedeKeySpec(passPhrase);
            SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede");
            SecretKey key = keyFactory.generateSecret(keySpec);


            // encrypt
            cipher = XMLCipher.getInstance(XMLCipher.TRIPLEDES);
            cipher.init(XMLCipher.ENCRYPT_MODE, key);
            ed = cipher.doFinal(d, e);

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      try {
        DESedeKeySpec keySpec = new DESedeKeySpec(
          "abcdefghijklmnopqrstuvwx".getBytes("ASCII"));
        SecretKeyFactory keyFactory = 
          SecretKeyFactory.getInstance("DESede");
        SecretKey key = keyFactory.generateSecret(keySpec);
          
        return key;
      }
      catch (Exception e) {
        throw new KeyResolverException("Something badly wrong in creation of bob's key");

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    if (saltValue == null || saltValue.length() == 0)
      throw new ManifoldCFException("Missing required SALT value");
    
    SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
    KeySpec keySpec = new PBEKeySpec(passCode.toCharArray(), saltValue.getBytes(), 1024, 128);
    SecretKey secretKey = factory.generateSecret(keySpec);


    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    SecretKeySpec key = new SecretKeySpec(secretKey.getEncoded(), "AES");
    IvParameterSpec parameterSpec = new IvParameterSpec(iv);
    cipher.init(mode, key, parameterSpec);

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      byte[] secret = baos.toByteArray();


      PBEParameterSpec cipherSpec = new PBEParameterSpec(salt, count);
      PBEKeySpec keySpec = new PBEKeySpec("78aac249a60a13d5e882927928043ebb".toCharArray());
      SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithMD5andDES");
      SecretKey cipherKey = factory.generateSecret(keySpec);
      Cipher cipher = Cipher.getInstance("PBEwithMD5andDES");
      cipher.init(Cipher.DECRYPT_MODE, cipherKey, cipherSpec);
      byte[] decode = cipher.doFinal(secret);
      return new String(decode, "UTF-8").toCharArray();
   }

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      char[] password = args[2].toCharArray();
      byte[] passwordToEncode = args[3].getBytes("UTF-8");
      PBEParameterSpec cipherSpec = new PBEParameterSpec(salt, count);
      PBEKeySpec keySpec = new PBEKeySpec(password);
      SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithMD5andDES");
      SecretKey cipherKey = factory.generateSecret(keySpec);
      String encodedPassword = encode64(passwordToEncode, "PBEwithMD5andDES",
         cipherKey, cipherSpec);
      System.err.println("Encoded password: "+encodedPassword);
   }
}

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      byte[] secret = baos.toByteArray();


      PBEParameterSpec cipherSpec = new PBEParameterSpec(salt, count);
      PBEKeySpec keySpec = new PBEKeySpec("78aac249a60a13d5e882927928043ebb".toCharArray());
      SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithMD5andDES");
      SecretKey cipherKey = factory.generateSecret(keySpec);
      Cipher cipher = Cipher.getInstance("PBEwithMD5andDES");
      cipher.init(Cipher.DECRYPT_MODE, cipherKey, cipherSpec);
      byte[] decode = cipher.doFinal(secret);
      return new String(decode, "UTF-8").toCharArray();
   }

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