From 275f6ca3df976628152a637f8b9d32e3908dedc9 Mon Sep 17 00:00:00 2001
From: Jacek Caban <jacek@codeweavers.com>
Date: Thu, 6 Feb 2020 14:00:20 +0100
Subject: [PATCH] crypt32: Allow only ASCII digits in
 CRYPT_AsnEncodeNumericString.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
---
 dlls/crypt32/encode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/crypt32/encode.c b/dlls/crypt32/encode.c
index 45eeea8e9df..91735eb53df 100644
--- a/dlls/crypt32/encode.c
+++ b/dlls/crypt32/encode.c
@@ -2060,7 +2060,7 @@ static BOOL CRYPT_AsnEncodeNumericString(const CERT_NAME_VALUE *value,
             ptr += lenBytes;
             for (i = 0; ret && i < encodedLen; i++)
             {
-                if (isdigitW(str[i]))
+                if ('0' <= str[i] && str[i] <= '9')
                     *ptr++ = (BYTE)str[i];
                 else
                 {