From c96c10ea2ac82d8255b8cb5ed9a8cd56117927c4 Mon Sep 17 00:00:00 2001
From: Dihambo <35786546+dihambo@users.noreply.github.com>
Date: Fri, 27 Sep 2024 12:48:55 +0000
Subject: [PATCH 1/2] =?UTF-8?q?fix:=20tag=20mask=E9=94=99=E8=AF=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/asn1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/asn1.c b/src/asn1.c
index affaee4e..e7453e14 100644
--- a/src/asn1.c
+++ b/src/asn1.c
@@ -38,7 +38,7 @@ const char *asn1_tag_name(int tag)
 	}
 
 	switch (tag & 0xc0) {
-	case ASN1_TAG_CONTENT_SPECIFIC: return asn1_tag_index[tag & 0xe0];
+	case ASN1_TAG_CONTENT_SPECIFIC: return asn1_tag_index[tag & 0x1f];
 	case ASN1_TAG_APPLICATION: return "Application";
 	case ASN1_TAG_PRIVATE: return "Private";
 	}

From c0b0dfc855fece996ce4820e81347e98f3734c0c Mon Sep 17 00:00:00 2001
From: Dihambo <35786546+dihambo@users.noreply.github.com>
Date: Fri, 27 Sep 2024 12:53:45 +0000
Subject: [PATCH 2/2] =?UTF-8?q?fix:=20=E8=A6=86=E7=9B=96=E6=89=80=E6=9C=89?=
 =?UTF-8?q?tag=E5=80=BC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 tests/asn1test.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/tests/asn1test.c b/tests/asn1test.c
index 8bd69705..f1ca6b41 100644
--- a/tests/asn1test.c
+++ b/tests/asn1test.c
@@ -59,16 +59,18 @@ static void print_octets(const uint8_t *o, size_t olen)
 
 static int test_asn1_tag(void)
 {
-	int i;
-	format_print(stderr, 0, 0, "Tags:\n");
-	for (i = 1; i <= 13; i++) {
-		format_print(stderr, 0, 4, "%s (0x%02x)\n", asn1_tag_name(i), i);
-	}
-	for (i = 18; i <= 30; i++) {
-		format_print(stderr, 0, 4, "%s (0x%02x)\n", asn1_tag_name(i), i);
-	}
-	printf("%s() ok\n", __FUNCTION__);
-	return 1;
+    int tag;
+    format_print(stderr, 0, 0, "Testing all tag values from 0 to 255:\n");
+    for (tag = 0; tag <= 255; tag++) {
+        const char *name = asn1_tag_name(tag);
+        if (name) {
+            format_print(stderr, 0, 4, "%s (0x%02x)\n", name, tag);
+        } else {
+            format_print(stderr, 0, 4, "Unknown Tag (0x%02x)\n", tag);
+        }
+    }
+    printf("%s() ok\n", __FUNCTION__);
+    return 1;
 }
 
 static int test_asn1_length(void)