From 97aa4363e1a119b09fc0c57771375f86f9a5d3ac Mon Sep 17 00:00:00 2001
From: Hanno Becker <hanno.becker@arm.com>
Date: Sat, 8 Jun 2019 07:38:20 +0100
Subject: [PATCH] Simplify X.509 CRT version check in UID parsing

WHen parsing the CRT version, we already check that
version is either 1, 2, or 3, so checking whether
version == 2 or version == 3 is equivalent to
version != 1.
---
 library/x509_crt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/x509_crt.c b/library/x509_crt.c
index e9672e4dd..b5ad86715 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -1295,7 +1295,7 @@ static int x509_crt_parse_frame( unsigned char *start,
     p += len;
     frame->pubkey_raw.len = p - frame->pubkey_raw.p;
 
-    if( frame->version == 2 || frame->version == 3 )
+    if( frame->version != 1 )
     {
         /*
          *  issuerUniqueID  [1]  IMPLICIT UniqueIdentifier OPTIONAL,