x509: include OID in duplicate extension error message

emmansun · May 8, 2024 · 57318ea · 57318ea
1 parent 580f71f
commit 57318ea
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/smx509/parser.go b/smx509/parser.go
@@ -1000,7 +1000,7 @@ func parseCertificate(der []byte) (*Certificate, error) {
 					}
 					oidStr := ext.Id.String()
 					if seenExts[oidStr] {
-						return nil, errors.New("x509: certificate contains duplicate extensions")
+						return nil, fmt.Errorf("x509: certificate contains duplicate extension with OID %q", oidStr)
 					}
 					seenExts[oidStr] = true
 					cert.Extensions = append(cert.Extensions, ext)