From ac31e9e5cbd6bf4161ba6744ed5c785329110b97 Mon Sep 17 00:00:00 2001
From: Gustav Simonsson <gustav.simonsson@gmail.com>
Date: Thu, 19 Jan 2017 03:04:49 +0100
Subject: [PATCH] crypto/secp256k1: use libsecp256k1 endomorphism

---
 crypto/secp256k1/secp256.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/crypto/secp256k1/secp256.go b/crypto/secp256k1/secp256.go
index 070e0d902f..81087ea92b 100644
--- a/crypto/secp256k1/secp256.go
+++ b/crypto/secp256k1/secp256.go
@@ -25,6 +25,7 @@ package secp256k1
 #define USE_FIELD_INV_BUILTIN
 #define USE_SCALAR_8X32
 #define USE_SCALAR_INV_BUILTIN
+#define USE_ENDOMORPHISM
 #define NDEBUG
 #include "./libsecp256k1/src/secp256k1.c"
 #include "./libsecp256k1/src/modules/recovery/main_impl.h"