(VBScript) Load DER encoded X.509 Certificate (.cer, .crt)

Loads a digital certificate from a binary DER encoded X.509 Certificate (.cer, .crt) and fetches information about the cert.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Cert")
set cert = CreateObject("Chilkat.Cert")

' LoadFromFile will load virtually any certificate format file.
' It will auto-recognize the format and load appropiately.
success = cert.LoadFromFile("/Users/chilkat/testData/cer/chilkat_ssl.cer")
If (success <> 1) Then
    outFile.WriteLine(cert.LastErrorText)
    WScript.Quit
End If

' DN = "Distinguished Name"
outFile.WriteLine("SubjectDN:" & cert.SubjectDN)

outFile.WriteLine("Common Name:" & cert.SubjectCN)
outFile.WriteLine("Issuer Common Name:" & cert.IssuerCN)

outFile.WriteLine("Serial Number:" & cert.SerialNumber)

outFile.Close