Merge pull request #431 from cjjojoba/cjjojoba-patch-1

Update ec-math.py

code/ec-math.py

@@ -21,13 +21,13 @@ generator = generator_secp256k1
 def random_secret():
     convert_to_int = lambda array: int("".join(array).encode("hex"), 16)
     
-    # Collect 256 bits of random data from the OS's cryptographically secure random generator
+    # Collect 256 bits of random data from the OS's cryptographically secure random number generator
     byte_array = os.urandom(32)
     
     return convert_to_int(byte_array)
 
 def get_point_pubkey(point):
-    if point.y() & 1:
+    if (point.y() % 2) == 1:
         key = '03' + '%064x' % point.x()
     else:
         key = '02' + '%064x' % point.x()