Merge pull request #1 from kaminomobile/fix/snreading

fixed the reading of serial numbers
agb-mobile · Sep 19, 2022 · 34d06bf · 34d06bf
2 parents d6d6fcf + 6074f8f
commit 34d06bf
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/Sources/NFCPassportReader/X509Wrapper.swift b/Sources/NFCPassportReader/X509Wrapper.swift
@@ -99,8 +99,9 @@ public class X509Wrapper {
     }
 
     public func getSerialNumber() -> String? {
-        let serialNr = String( ASN1_INTEGER_get(X509_get_serialNumber(cert)), radix:16, uppercase: true )
-        return serialNr
+        let bn = ASN1_INTEGER_to_BN(X509_get_serialNumber(cert), nil)
+        guard let hex = BN_bn2hex(bn) else { return nil }
+        return String(cString: hex)
     }
 
     public func getSignatureAlgorithm() -> String? {