EncryptDecrypt

src/remote/EncryptDecrypt.java

+package remote;
+
+import javax.crypto.*;
+import java.io.IOException;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+
+public class EncryptDecrypt {
+    public static String decryptString (SealedObject sealedObject, SecretKey key){
+
+        String nonSealedString ="";
+        Cipher cipher = null;
+        try {
+            cipher = Cipher.getInstance("AES");
+            cipher.init(Cipher.DECRYPT_MODE,key);
+            nonSealedString = (String)sealedObject.getObject(cipher);
+
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        } catch (NoSuchPaddingException e) {
+            e.printStackTrace();
+        } catch (InvalidKeyException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (IllegalBlockSizeException e) {
+            e.printStackTrace();
+        } catch (BadPaddingException e) {
+            e.printStackTrace();
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        }
+        return nonSealedString;
+
+    }
+    public static SealedObject encryptString (String string, SecretKey key){
+        SealedObject sealedObject = null;
+
+        Cipher cipher = null;
+        try {
+            cipher = Cipher.getInstance("AES");
+            cipher.init(Cipher.ENCRYPT_MODE,key);
+            sealedObject = new SealedObject(string,cipher);
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        } catch (NoSuchPaddingException e) {
+            e.printStackTrace();
+        } catch (IllegalBlockSizeException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (InvalidKeyException e) {
+            e.printStackTrace();
+        }
+        return sealedObject;
+
+
+    }
+}