From 33e401116c55911260fb0dd8546d44b3b25adb96 Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Sun, 27 Jan 2019 06:37:48 -0500
Subject: [PATCH] Fix Poly1305TLS on big-endian systems (GH #727)

---
 poly1305.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/poly1305.cpp b/poly1305.cpp
index fe1ae499..1d8abf9e 100644
--- a/poly1305.cpp
+++ b/poly1305.cpp
@@ -322,7 +322,10 @@ void Poly1305TLS_Base::UncheckedSetKey(const byte *key, unsigned int length, con
 	m_r[3] = GetWord<word32>(false, LITTLE_ENDIAN_ORDER, key + 12) & 0x0ffffffc;
 
 	key += 16;
-	std::memcpy(m_n, key, 16);
+	m_n[0] = GetWord<word32>(false, LITTLE_ENDIAN_ORDER, key +  0);
+	m_n[1] = GetWord<word32>(false, LITTLE_ENDIAN_ORDER, key +  4);
+	m_n[2] = GetWord<word32>(false, LITTLE_ENDIAN_ORDER, key +  8);
+	m_n[3] = GetWord<word32>(false, LITTLE_ENDIAN_ORDER, key + 12);
 
 	Restart();
 }