diff --git a/oidc_provider/lib/utils/common.py b/oidc_provider/lib/utils/common.py
index 7f0a626..9bf0357 100644
--- a/oidc_provider/lib/utils/common.py
+++ b/oidc_provider/lib/utils/common.py
@@ -1,16 +1,28 @@
+from django.conf import settings as django_settings
 from django.core.urlresolvers import reverse
 
 from oidc_provider import settings
 
 
 def get_issuer():
-	"""
-	Construct the issuer full url. Basically is the site url with some path
-	appended.
-	"""
-	site_url = settings.get('SITE_URL')
-	path = reverse('oidc_provider:provider_info') \
-		.split('/.well-known/openid-configuration/')[0]
-	issuer = site_url + path
+    """
+    Construct the issuer full url. Basically is the site url with some path
+    appended.
+    """
+    site_url = settings.get('SITE_URL')
+    path = reverse('oidc_provider:provider_info') \
+        .split('/.well-known/openid-configuration/')[0]
+    issuer = site_url + path
 
-	return issuer
+    return issuer
+
+
+def get_rsa_key():
+    """
+    Load the rsa key previously created with `creatersakey` command.
+    """
+    file_path = django_settings.BASE_DIR + '/OIDC_RSA_KEY.pem'
+    with open(file_path, 'r') as f:
+        key = f.read()
+
+    return key