salt should be shared across H dummies

main.py

@@ -9,13 +9,15 @@ m0 = b"alice"
 m1 = b"bob"
 c = False
 
-q = 224
 curve = curves.Curve.get_curve('NIST-P224')
+q = curve.size
 g = curve.generator
 
+salt = Crypto.Random.get_random_bytes(16)
+
 def H(p: curves.Point) -> bytes:
+    print("H({p})")
     secret = pickle.dumps((p.x, p.y), protocol=4)
-    salt = Crypto.Random.get_random_bytes(16)
     key = Crypto.Protocol.KDF.scrypt(secret, salt, 16, N=2**14, r=8, p=1)
     return key[:32] # first 32 bytes of generated key