improve CryptUtils perf

diff --git a/src/be/nikiroo/utils/CryptUtils.java b/src/be/nikiroo/utils/CryptUtils.java
index 9ef91015ad14f0ecc5c3d45f3f242628160146cc..ba9e7002adacabefa1bf9397934e9637bf73ffe8 100644 (file)
--- a/src/be/nikiroo/utils/CryptUtils.java
+++ b/src/be/nikiroo/utils/CryptUtils.java
@@ -4,16 +4,13 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.UnsupportedEncodingException;
-import java.security.InvalidAlgorithmParameterException;
 import java.security.InvalidKeyException;
-import java.security.NoSuchAlgorithmException;
 
 import javax.crypto.BadPaddingException;
 import javax.crypto.Cipher;
 import javax.crypto.CipherInputStream;
 import javax.crypto.CipherOutputStream;
 import javax.crypto.IllegalBlockSizeException;
-import javax.crypto.NoSuchPaddingException;
 import javax.crypto.SecretKey;
 import javax.crypto.spec.IvParameterSpec;
 import javax.crypto.spec.SecretKeySpec;
@@ -31,12 +28,16 @@ import be.nikiroo.utils.streams.Base64OutputStream;
  * <li>The streams are independent and thus parallel</li>
  * </ul>
  * <p>
- * Do not assume it is actually secure until you checked the code...
+ * Do not assume it is actually secure, it is actually not.
+ * <p>
+ * It just here to offer a more-or-less protected exchange of data because
+ * anonymous and self-signed certificates backed SSL is against Google wishes
+ * (so, don't even try, they own Internet).
  * 
  * @author niki
  */
 public class CryptUtils {
-       static private final String AES_NAME = "AES/CFB8/NoPadding";
+       static private final String AES_NAME = "AES/CFB128/NoPadding";
 
        private Cipher ecipher;
        private Cipher dcipher;
@@ -236,24 +237,11 @@ public class CryptUtils {
                        Cipher cipher = Cipher.getInstance(AES_NAME);
                        cipher.init(mode, key, ivspec);
                        return cipher;
-               } catch (NoSuchAlgorithmException e) {
-                       // Every implementation of the Java platform is required to support
-                       // this standard Cipher transformation with 128 bits keys
-                       e.printStackTrace();
-               } catch (NoSuchPaddingException e) {
-                       // Every implementation of the Java platform is required to support
-                       // this standard Cipher transformation with 128 bits keys
-                       e.printStackTrace();
-               } catch (InvalidKeyException e) {
-                       // Every implementation of the Java platform is required to support
-                       // this standard Cipher transformation with 128 bits keys
-                       e.printStackTrace();
-               } catch (InvalidAlgorithmParameterException e) {
-                       // Woops?
+               } catch (Exception e) {
                        e.printStackTrace();
+                       throw new RuntimeException(
+                                       "Cannot initialize encryption sub-system", e);
                }
-
-               return null;
        }
 
        /**