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B4X

Convert to DER encoded X.509 Certificate (.cer, .crt)

See more Certificates Examples

Loads a digital certificate from any format and saves to a binary DER encoded X.509 Certificate (.cer, .crt).

Chilkat B4X Downloads

B4X
Dim success As Boolean = False

Dim cert As ChilkatCert
cert.Initialize("cert")

'  LoadFromFile will load virtually any certificate format file.
'  It will auto-recognize the format and load appropiately.
'  In this case, load a PEM format certificate and convert to DER.
success = cert.LoadFromFile("/Users/chilkat/testData/pem/chilkat.pem")
If success <> True Then
    Log(cert.LastErrorText)
    Return
End If


success = cert.ExportCertDerFile("chilkat.der")
If success <> True Then
    Log(cert.LastErrorText)
    Return
End If


Log("Converted certificate from PEM to DER format.")