Also show PRF

dirkx · Apr 14, 2020 · 1162b63 · 1162b63
1 parent 195dfc5
commit 1162b63
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/test-vectors.py b/test-vectors.py
@@ -20,13 +20,18 @@
 import time
 from datetime import datetime, timedelta
 
-from LowCostDP3T import KeyStore
+from LowCostDP3T import KeyStore, BROADCAST_KEY
 import secrets
+import hashlib
+import hmac
 
 null_secret = bytes.fromhex('00000000000000000000000000000000')
 
 print("Secret: {}".format(null_secret.hex()))
 
+prf = hmac.new(null_secret, BROADCAST_KEY.encode(), hashlib.sha256).digest()
+print("PRF:    {}".format(prf.hex()))
+
 ks = KeyStore()
 ks.SKt = []
 ks.SKt.insert(0, null_secret)