From cc2c2d079d79deea8a1abf0736d7c25cd473495d Mon Sep 17 00:00:00 2001
From: gusrb406 <gusrb406@naver.com>
Date: Fri, 2 Aug 2019 16:53:11 +0900
Subject: [PATCH] ASN.1 parser's sequence tag is wrong

- Sequense is encoded with tag byte of 0x30.
- https://docs.microsoft.com/en-us/windows/win32/seccertenroll/about-sequence
---
 src/parser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/parser.c b/src/parser.c
index 5cd47441..8f07969e 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -1276,7 +1276,7 @@ static BOOL get_data_from_asn1_internal(const uint8_t* buf, size_t buf_len, cons
 	BOOL is_sequence, is_universal_tag;
 
 	while (pos < buf_len) {
-		is_sequence = buf[pos] & 0x20;
+		is_sequence = buf[pos] & 0x30;
 		is_universal_tag = ((buf[pos] & 0xC0) == 0x00);
 		tag = buf[pos++] & 0x1F;
 		if (tag == 0x1F) {