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(VBScript) Generate RSA Public/Private Key Pair and Export to PEM

VBScript example code showing how to generate an RSA public/private key pair and export to PEM files.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
Set outFile = fso.CreateTextFile("output.txt", True)

set rsa = CreateObject("Chilkat_9_5_0.Rsa")

success = rsa.UnlockComponent("Anything for 30-day trial")
If (success <> 1) Then
    outFile.WriteLine("RSA component unlock failed")
    WScript.Quit
End If

'  Generate a 1024-bit key.  Chilkat RSA supports
'  key sizes ranging from 512 bits to 4096 bits.
success = rsa.GenerateKey(1024)
If (success <> 1) Then
    outFile.WriteLine(rsa.LastErrorText)
    WScript.Quit
End If

'  Keys are exported in XML format:
publicKeyXml = rsa.ExportPublicKey()
outFile.WriteLine(publicKeyXml)

privateKeyXml = rsa.ExportPrivateKey()
outFile.WriteLine(privateKeyXml)

'  Save the private key in PEM format:
set privKey = CreateObject("Chilkat_9_5_0.PrivateKey")
success = privKey.LoadXml(privateKeyXml)
success = privKey.SaveRsaPemFile("privateKey.pem")

'  Save the public key in PEM format:
set pubKey = CreateObject("Chilkat_9_5_0.PublicKey")
success = pubKey.LoadXml(publicKeyXml)
success = pubKey.SaveOpenSslPemFile("publicKey.pem")

outFile.Close

 

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