From 1f3768f2b6881a377223c59806c9f23f24797532 Mon Sep 17 00:00:00 2001
From: Andreas Fackler <AndreasFackler@gmx.de>
Date: Mon, 2 Jul 2018 12:09:06 +0200
Subject: [PATCH] Add coin docs, change parity computation.

This makes the signature parity computation take into account all bits,
not just the last one of each byte.
---
 mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mod.rs b/mod.rs
index c3e56f3..d25a40d 100644
--- a/mod.rs
+++ b/mod.rs
@@ -105,7 +105,7 @@ impl Signature {
         let uncomp = self.0.into_affine().into_uncompressed();
         let bytes = uncomp.as_ref();
         let xor_bytes: u8 = bytes.iter().fold(0, |result, byte| result ^ byte);
-        let parity = 0 != xor_bytes % 2;
+        let parity = 0 != xor_bytes.count_ones() % 2;
         debug!("Signature: {:?}, output: {}", HexBytes(bytes), parity);
         parity
     }