From 9e0c44c18da3f7e308a6953d5788d440e38c7b3b Mon Sep 17 00:00:00 2001
From: Thomas Faber <thomas.faber@reactos.org>
Date: Mon, 23 Jun 2014 15:21:13 +0000
Subject: [PATCH] [ADVAPI32] - Do not use the upper byte of RtlRandom's result
 in RtlGenRandom, since the function only generates 31 bits. Should fix
 UuidCreate test in rpcrt4:rpc.

svn path=/trunk/; revision=63633
---
 reactos/dll/win32/advapi32/misc/sysfunc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/reactos/dll/win32/advapi32/misc/sysfunc.c b/reactos/dll/win32/advapi32/misc/sysfunc.c
index b8fc700b076..12713ddc945 100644
--- a/reactos/dll/win32/advapi32/misc/sysfunc.c
+++ b/reactos/dll/win32/advapi32/misc/sysfunc.c
@@ -607,9 +607,9 @@ SystemFunction036(PVOID pbBuffer, ULONG dwLen)
         do
         {
             /* Get each byte from the pseudo random number and store it in the buffer */
-            *pBuffer = (BYTE)(uPseudoRandom >> 8 * (dwLen % 4) & 0xFF);
+            *pBuffer = (BYTE)(uPseudoRandom >> 8 * (dwLen % 3) & 0xFF);
             ++pBuffer;
-        } while(--dwLen % 4);
+        } while(--dwLen % 3);
     } while(dwLen);
 
     return TRUE;