(VB.NET) Find Certificate by SHA1 Thumbprint

See more Cert Store Examples

Demonstrates how to find a certificate having the specified hexadecimal SHA1 thumbprint.

Note: Requires Chilkat v10.1.2 or later.

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Dim certStore As New Chilkat.CertStore

' This opens the Current User certificate store on Windows,
' On MacOS and iOS it opens the default Keychain.
Dim readOnly As Boolean = False
Dim success As Boolean = certStore.OpenCurrentUserStore(readOnly)
If (success = False) Then
    Debug.WriteLine(certStore.LastErrorText)
    Exit Sub
End If


' Find the certificate having a specific SHA1 thumbprint.
Dim json As New Chilkat.JsonObject
Dim hexThumbprint As String = "767192374BE3C1512D2CB80734926D40E96D6DC2"
json.UpdateString("thumbprint",hexThumbprint)

Dim cert As New Chilkat.Cert
success = certStore.FindCert(json,cert)
If (success = True) Then
    ' Show the full distinguished name of the certificate.
    Debug.WriteLine("Found: " & cert.SubjectDN)
Else
    Debug.WriteLine("Not found.")
End If