#369 Fix WBB4 algorithm

- Update BCrypt implementation version
- Separate third-party BCrypt implementation from our BCRYPT EncryptionMethod extension
- Fix WBB4: ensure password is hashed with bcrypt twice and that we check accordingly

src/test/java/fr/xephi/authme/security/crypts/AbstractEncryptionMethodTest.java

@@ -26,8 +26,8 @@ public abstract class AbstractEncryptionMethodTest {
      */
     public static final String[] GIVEN_PASSWORDS = {"password", "PassWord1", "&^%te$t?Pw@_", "âË_3(íù*"};
     /**
-     * List of passwords that are hashed at runtime and then tested against; this verifies that hashes that are
-     * generated are valid.
+     * List of passwords that are hashed at runtime and then tested against; this verifies that newly generated hashes
+     * are valid.
      */
     private static final List<String> INTERNAL_PASSWORDS =
         ImmutableList.of("test1234", "Ab_C73", "(!#&$~`_-Aa0", "Ûïé1&?+A");

src/test/java/fr/xephi/authme/security/crypts/WBB4Test.java

@@ -1,20 +1,16 @@
 package fr.xephi.authme.security.crypts;
 
-import org.junit.Ignore;
-
 /**
  * Test for {@link WBB4}.
  */
-@Ignore
-// TODO #369: Fix WBB4 hash and un-ignore this test
 public class WBB4Test extends AbstractEncryptionMethodTest {
 
     public WBB4Test() {
         super(new WBB4(),
-            "$2a$08$GktrHRoOk0EHrl3ONsFmieIbjq7EIzBx8dhsWiCmn6sWwO3b3DoRO",  // password
-            "$2a$08$ouvtovnHgPWz6YHuOhyct.I2/j1xTOLG8OTuEn1/YqtkiRJYUV7lq",  // PassWord1
-            "$2a$08$z.qWFh7k0qvIu5.qiq/Wuu2HDCNH7LNlMDNhN61F1ISsV8wZRKD0.",  // &^%te$t?Pw@_
-            "$2a$08$OU8e9dncXyz8UP5Z.gWP8Os1IK89pspCS4FPzj8hBjgCWmjbLVcO2"); // âË_3(íù*
+            "$2a$08$7DGr.wROqEPe0Z3XJS7n5.k.QWehovLHbpI.UkdfRb4ns268WsR6C",  // password
+            "$2a$08$yWWVUA4PB4mqW.0wyIvV3OdoH492HuLk5L3iaqUrpRK2.2zn08d/K",  // PassWord1
+            "$2a$08$EHXUFt7bTT9Fnsu22KWvF.QDssiosV8YzH8CyWqulB/ckOA7qioJG",  // &^%te$t?Pw@_
+            "$2a$08$ZZu5YH4zwpk0cr2dOYZpF.CkTKMvCBOAtTbAH7AwnOiL.n0mWkgDC"); // âË_3(íù*
     }
 
 }