From aa25784764e2bb91626bd4d8fc758072b207c5dc Mon Sep 17 00:00:00 2001
From: Gav Wood <i@gavwood.com>
Date: Fri, 12 Dec 2014 20:44:36 +0100
Subject: [PATCH] Fix alignment of RIPEMD160.

---
 libethereum/State.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libethereum/State.cpp b/libethereum/State.cpp
index bad41d0a5..7ca973e05 100644
--- a/libethereum/State.cpp
+++ b/libethereum/State.cpp
@@ -82,6 +82,9 @@ bytes ripemd160Code(bytesConstRef _in)
 {
 	bytes ret(32);
 	ripemd160(_in, &ret);
+	// leaves the 20-byte hash left-aligned. we want it right-aligned:
+	memmove(ret.data() + 12, ret.data(), 20);
+	memset(ret.data(), 0, 12);
 	return ret;
 }