diff --git a/services/register/register_service/auth_utils.py b/services/register/register_service/auth_utils.py
new file mode 100644
index 0000000000000000000000000000000000000000..f799772997bc614be1644391d0fed838cfd8534b
--- /dev/null
+++ b/services/register/register_service/auth_utils.py
@@ -0,0 +1,8 @@
+import bcrypt
+
+def hash_password(password):
+        hashed_password = bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt())
+        return hashed_password
+
+def check_password(input_password, stored_password):
+    return bcrypt.checkpw(input_password.encode('utf-8'), stored_password)
\ No newline at end of file
diff --git a/services/register/register_service/core/register_operations.py b/services/register/register_service/core/register_operations.py
index d1d092181b1bc3e093891410d8e814b897a89edc..4cc5c37d09019f43cb8a7923c2525d6c3f48179a 100644
--- a/services/register/register_service/core/register_operations.py
+++ b/services/register/register_service/core/register_operations.py
@@ -2,12 +2,12 @@ from flask import Flask, jsonify, request, current_app
 from flask_jwt_extended import create_access_token
 from ..db.db import MongoDatabse
 from ..config import Config
+from register_service import auth_utils
 import secrets
 import requests
 import json
 import sys
-import bcrypt
-
+ 
 class RegisterOperations:
 
     def __init__(self):
@@ -15,10 +15,6 @@ class RegisterOperations:
         self.mimetype = 'application/json'
         self.config = Config().get_config()
 
-    def hash_password(self, password):
-        hashed_password = bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt())
-        return hashed_password
-
     def register_user(self, username, password, description, cn, role):
 
         mycol = self.db.get_col_by_name(self.db.capif_users)
@@ -26,7 +22,7 @@ class RegisterOperations:
         if exist_user:
             return jsonify("user already exists"), 409
 
-        hashed_password = self.hash_password(password)
+        hashed_password = auth_utils.hash_password(password)
         user_info = dict(_id=secrets.token_hex(7), username=username, password=hashed_password, role=role, description=description, cn=cn, list_invokers=[], list_providers=[])
         obj = mycol.insert_one(user_info)
 
@@ -48,15 +44,14 @@ class RegisterOperations:
 
         try:
 
-            #exist_user = mycol.find_one({"username": username, "password": password})
             exist_user = mycol.find_one({"username": username})
 
             if exist_user is None:
                 return jsonify("No user with these credentials"), 400
 
             stored_password = exist_user["password"]
-            if not bcrypt.checkpw(password.encode('utf-8'), stored_password):
-                    return jsonify("No user with these credentials"), 400
+            if not auth_utils.check_password(password, stored_password):
+                 return jsonify("No user with these credentials"), 400
             
             access_token = create_access_token(identity=(username + " " + exist_user["role"]))
             url = f"http://{self.config['ca_factory']['url']}:{self.config['ca_factory']['port']}/v1/secret/data/ca"
@@ -81,7 +76,7 @@ class RegisterOperations:
                 return jsonify("No user with these credentials"), 400
 
             stored_password = exist_user["password"]
-            if not bcrypt.checkpw(password.encode('utf-8'), stored_password):
+            if not auth_utils.check_password(password, stored_password):
                     return jsonify("No user with these credentials"), 400
             
             mycol.delete_one({"username": username})