Fix element mod p hash and use enum name in hash (#217)

Author: AddressXception

src/electionguard/election.py

@@ -175,7 +175,7 @@ def crypto_hash(self) -> ElementModQ:
         A hash representation of the object
         """
         return hash_elems(
-            self.object_id, self.name, str(self.type), self.contact_information
+            self.object_id, self.name, str(self.type.name), self.contact_information
         )
 
 
@@ -363,7 +363,7 @@ def crypto_hash(self) -> ElementModQ:
             self.object_id,
             self.sequence_order,
             self.electoral_district_id,
-            str(self.vote_variation),
+            str(self.vote_variation.name),
             self.ballot_title,
             self.ballot_subtitle,
             self.name,
@@ -566,7 +566,7 @@ def crypto_hash(self) -> ElementModQ:
 
         return hash_elems(
             self.election_scope_id,
-            str(self.type),
+            str(self.type.name),
             to_ticks(self.start_date),
             to_ticks(self.end_date),
             self.name,

src/electionguard/group.py

@@ -88,7 +88,7 @@ def to_hex(self) -> str:
         Converts from the element to the hex representation of bytes. This is preferable to directly
         accessing `elem`, whose representation might change.
         """
-        h = format(self.elem, "02x")
+        h = format(self.elem, "02X")
         if len(h) % 2:
             h = "0" + h
         return h