REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4509
In ASN1_get_object(), Inf should compare with 0x80 instead of 0x00.
Cc: Sountharya N <sounthar...@ami.com>
Signed-off-by: Sountharya N <sounthar...@ami.com>
---
CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
b/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
index 1182323b63..021cc328f8 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
@@ -839,17 +839,17 @@ X509GetTBSCert (
Length = 0;
Inf = ASN1_get_object (&Temp, (long *)&Length, (int *)&Asn1Tag, (int
*)&ObjClass, (long)CertSize);
- if (((Inf & 0x80) == 0x00) && (Asn1Tag != V_ASN1_SEQUENCE)) {
+ if (((Inf & 0x80) == 0x80) || (Asn1Tag != V_ASN1_SEQUENCE)) {
return FALSE;
}
*TBSCert = (UINT8 *)Temp;
- ASN1_get_object (&Temp, (long *)&Length, (int *)&Asn1Tag, (int *)&ObjClass,
(long)Length);
+ Inf = ASN1_get_object (&Temp, (long *)&Length, (int *)&Asn1Tag, (int
*)&ObjClass, (long)Length);
//
// Verify the parsed TBSCertificate is one correct SEQUENCE data.
//
- if (((Inf & 0x80) == 0x00) && (Asn1Tag != V_ASN1_SEQUENCE)) {
+ if (((Inf & 0x80) == 0x80) || (Asn1Tag != V_ASN1_SEQUENCE)) {
return FALSE;
}
--
2.35.1.windows.2
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