use set_issuer_keys() instead of set_isser()

diff --git a/sfa/trust/credential.py b/sfa/trust/credential.py
index 5134743..9387356 100644 (file)
--- a/sfa/trust/credential.py
+++ b/sfa/trust/credential.py
@@ -803,8 +803,7 @@ class Credential(object):
         privs = self.get_privileges()
         dcred.set_privileges(self.get_privileges())
         dcred.get_privileges().delegate_all_privileges(True)
-        dcred.set_pubkey(object_gid.get_pubkey())
-        dcred.set_issuer(user_key, user_hrn)
+        dcred.set_issuer_keys(user_key, object_gid)
         dcred.set_parent(self)
         dcred.encode()
         dcred.sign()