diff --git a/src/nodash/models/NoUser.java b/src/nodash/models/NoUser.java
index 3a4179e..4ed6511 100644
--- a/src/nodash/models/NoUser.java
+++ b/src/nodash/models/NoUser.java
@@ -41,8 +41,6 @@ import javax.crypto.IllegalBlockSizeException;
 import javax.crypto.SecretKey;
 import javax.crypto.spec.SecretKeySpec;
 
-import org.apache.commons.codec.binary.Base64;
-
 import com.google.gson.Gson;
 import com.google.gson.JsonSyntaxException;
 
@@ -53,7 +51,7 @@ import nodash.exceptions.NoByteSetBadDecryptionException;
 import nodash.exceptions.NoDashFatalException;
 import nodash.exceptions.NoUserNotValidException;
 
-public class NoUser implements Serializable {
+public abstract class NoUser implements Serializable {
   private static final long serialVersionUID = 7132405837081692211L;
   @NoHash
   private RSAPublicKeyImpl publicKey;
@@ -244,8 +242,8 @@ public class NoUser implements Serializable {
     }
   }
 
-  public String createHashString() {
-    return Base64.encodeBase64URLSafeString(createHash());
+  public final String createHashString() {
+    return NoUtil.fromBytes(createHash());
   }
 
   @Override
@@ -258,8 +256,7 @@ public class NoUser implements Serializable {
       return false;
     }
 
-    return this.privateKey.getModulus().equals(((NoUser) otherUser).privateKey.getModulus());
+    return privateKey.getModulus().equals(((NoUser) otherUser).privateKey.getModulus());
   }
 
-
 }
diff --git a/src/nodash/test/NoCoreTest.java b/src/nodash/test/NoCoreTest.java
index 65a099e..b7ddd94 100644
--- a/src/nodash/test/NoCoreTest.java
+++ b/src/nodash/test/NoCoreTest.java
@@ -38,6 +38,7 @@ import nodash.exceptions.NoUserAlreadyOnlineException;
 import nodash.exceptions.NoUserNotValidException;
 import nodash.models.NoRegister;
 import nodash.models.NoUser;
+import nodash.test.functional.implementations.TestNoUser;
 import nodash.models.NoSession.NoState;
 
 import org.junit.Test;
@@ -48,18 +49,18 @@ public class NoCoreTest {
   public void testRegister() {
     NoCore core = new NoCore(new NoDefaultAdapter());
 
-    NoUser user1 = new NoUser();
+    NoUser user1 = new TestNoUser("Test");
     NoRegister registration1 = core.register(user1, "password".toCharArray());
     assertNotNull(registration1.cookie);
     assertNotNull(registration1.data);
 
-    NoUser user2 = new NoUser();
+    NoUser user2 = new TestNoUser("Test");
     NoRegister registration2 = core.register(user2, "password".toCharArray());
 
     assertFalse(Arrays.equals(registration1.cookie, registration2.cookie));
     assertFalse(Arrays.equals(registration1.data, registration2.data));
 
-    NoUser user3 = new NoUser();
+    NoUser user3 = new TestNoUser("Test");
     try {
       core.register(null, "password".toCharArray());
       fail("Did not throw NullPointerException.");
@@ -91,14 +92,14 @@ public class NoCoreTest {
     NoAdapter adapter = new NoDefaultAdapter();
     NoCore core = new NoCore(adapter);
 
-    NoUser newUser = new NoUser();
+    NoUser newUser = new TestNoUser("Test");
     NoRegister registration = core.register(newUser, "password".toCharArray());
     byte[] newUserFile = Arrays.copyOf(registration.data, registration.data.length);
     core.confirm(registration.cookie, "password".toCharArray(), newUserFile);
     byte[] newUserHash = newUser.createHash();
     adapter.checkHash(newUserHash);
 
-    NoUser newUserBadPass = new NoUser();
+    NoUser newUserBadPass = new TestNoUser("Test");
     registration = core.register(newUserBadPass, "password".toCharArray());
     byte[] newUserBadPassFile = Arrays.copyOf(registration.data, registration.data.length);
     try {
@@ -125,7 +126,7 @@ public class NoCoreTest {
       // Do nothing, true
     }
 
-    NoUser oldUser = new NoUser();
+    NoUser oldUser = new TestNoUser("Test");
     registration = core.register(oldUser, "password".toCharArray());
     byte[] oldUserFile = Arrays.copyOf(registration.data, registration.data.length);
     core.confirm(registration.cookie, "password".toCharArray(), oldUserFile);
@@ -162,7 +163,7 @@ public class NoCoreTest {
       NoSessionNotAwaitingConfirmationException, NoUserNotValidException,
       NoUserAlreadyOnlineException {
     NoCore core = new NoCore(new NoDefaultAdapter());
-    NoUser user = new NoUser();
+    NoUser user = new TestNoUser("Test");
     NoRegister registration = core.register(user, "password".toCharArray());
     byte[] file = Arrays.copyOf(registration.data, registration.data.length);
     core.confirm(registration.cookie, "password".toCharArray(), file);
@@ -188,7 +189,7 @@ public class NoCoreTest {
       NoSessionNotAwaitingConfirmationException, NoUserNotValidException,
       NoUserAlreadyOnlineException, NoSessionNotChangedException, NoSessionAlreadyAwaitingConfirmationException {
     NoCore core = new NoCore(new NoDefaultAdapter());
-    NoUser user = new NoUser();
+    NoUser user = new TestNoUser("Test");
     NoRegister registration = core.register(user, "password".toCharArray());
     assertEquals(core.getSessionState(registration.cookie), NoState.AWAITING_CONFIRMATION);
     byte[] file = Arrays.copyOf(registration.data, registration.data.length);
@@ -217,7 +218,7 @@ public class NoCoreTest {
   public void testShred() throws NoAdapterException, NoSessionConfirmedException, NoSessionExpiredException {
     NoAdapter adapter = new NoDefaultAdapter();
     NoCore core = new NoCore(adapter);
-    NoUser user = new NoUser();
+    NoUser user = new TestNoUser("Test");
     NoRegister registration = core.register(user, "password".toCharArray());
     assertTrue(adapter.isOnline(user.createHash()));
     assertEquals(core.getSessionState(registration.cookie), NoState.AWAITING_CONFIRMATION);
diff --git a/src/nodash/test/NoSessionTest.java b/src/nodash/test/NoSessionTest.java
index 9602fd2..c427665 100644
--- a/src/nodash/test/NoSessionTest.java
+++ b/src/nodash/test/NoSessionTest.java
@@ -27,6 +27,7 @@ import nodash.exceptions.NoUserNotValidException;
 import nodash.models.NoSession;
 import nodash.models.NoSession.NoState;
 import nodash.models.NoUser;
+import nodash.test.functional.implementations.TestNoUser;
 
 import org.junit.Test;
 
@@ -34,7 +35,7 @@ public class NoSessionTest {
 
   @Test
   public void testNoSessionNoUser() throws NoSessionConfirmedException, NoSessionExpiredException {
-    NoUser user = new NoUser();
+    NoUser user = new TestNoUser("Test");
     NoSession session = new NoSession(user);
     assertNotNull(session.getNoUser());
     assertNotNull(session.getUuid());
@@ -54,7 +55,7 @@ public class NoSessionTest {
   @Test
   public void testNoSessionByteArrayCharArray() throws NoUserNotValidException,
       NoSessionExpiredException, NoSessionConfirmedException {
-    NoUser user = new NoUser();
+    NoUser user = new TestNoUser("Test");
     final byte[] userFile1 = user.createFile("password".toCharArray());
     byte[] userFile2 = Arrays.copyOf(userFile1, userFile1.length);
     char[] userPassword = "password".toCharArray();
diff --git a/src/nodash/test/NoUserTest.java b/src/nodash/test/NoUserTest.java
index 7df4d46..a335b1a 100644
--- a/src/nodash/test/NoUserTest.java
+++ b/src/nodash/test/NoUserTest.java
@@ -28,15 +28,15 @@ import javax.crypto.IllegalBlockSizeException;
 import nodash.core.NoUtil;
 import nodash.exceptions.NoUserNotValidException;
 import nodash.models.NoUser;
+import nodash.test.functional.implementations.TestNoUser;
 
-import org.apache.commons.codec.binary.Base64;
 import org.junit.Test;
 
 public class NoUserTest {
 
   @Test
   public void testNoUser() {
-    NoUser user = new NoUser();
+    NoUser user = new TestNoUser("Test");
 
     assertNotNull(user.getNoActions());
     assertEquals(user.getNoActions().size(), 0);
@@ -48,7 +48,7 @@ public class NoUserTest {
 
   @Test
   public void testCreateFile() {
-    NoUser user = new NoUser();
+    NoUser user = new TestNoUser("Test");
     byte[] file = user.createFile("password".toCharArray());
 
     assertNotNull(file);
@@ -61,7 +61,7 @@ public class NoUserTest {
 
   @Test
   public void testCreateHash() {
-    NoUser user = new NoUser();
+    NoUser user = new TestNoUser("Test");
     byte[] hash = user.createHash();
 
     assertNotNull(hash);
@@ -74,18 +74,18 @@ public class NoUserTest {
 
   @Test
   public void testCreateHashString() {
-    NoUser user = new NoUser();
+    NoUser user = new TestNoUser("Test");
     byte[] hash = user.createHash();
     String hashString = user.createHashString();
 
-    assertEquals(Base64.encodeBase64URLSafeString(hash), hashString);
+    assertEquals(NoUtil.fromBytes(hash), hashString);
   }
 
   @Test
   public void testCreateUserFromFile()
  throws IllegalBlockSizeException, BadPaddingException,
       ClassNotFoundException, IOException, NoUserNotValidException {
-    NoUser user = new NoUser();
+    NoUser user = new TestNoUser("Test");
     final byte[] originalFile = user.createFile("password".toCharArray());
     byte[] file = Arrays.copyOf(originalFile, originalFile.length);
     byte[] hash = user.createHash();