Using the net.iharder.Base64 dependency JAR instead of a copied class

model/api/pom.xml

@@ -13,6 +13,10 @@
     <description/>
 
     <dependencies>
+        <dependency>
+            <groupId>net.iharder</groupId>
+            <artifactId>base64</artifactId>
+        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>

model/api/src/main/java/org/keycloak/models/utils/Pbkdf2PasswordEncoder.java

@@ -1,5 +1,7 @@
 package org.keycloak.models.utils;
 
+import net.iharder.Base64;
+
 import javax.crypto.SecretKeyFactory;
 import javax.crypto.spec.PBEKeySpec;
 import java.security.NoSuchAlgorithmException;

model/api/src/main/java/org/keycloak/models/utils/SHAPasswordEncoder.java

@@ -1,5 +1,7 @@
 package org.keycloak.models.utils;
 
+import net.iharder.Base64;
+
 import java.io.UnsupportedEncodingException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;