(VBScript) RSA Import Public Key from Certificate PEM
Uses a certificate's public key for RSA encryption. The public key from the certificate .pem file is used. Note: This example requires Chilkat v11.0.0 or greater.
Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)
success = 0
set cert = CreateObject("Chilkat.Cert")
success = cert.LoadFromFile("qa_data/pem/mf_public_rsa.pem")
If (success = 0) Then
outFile.WriteLine(cert.LastErrorText)
WScript.Quit
End If
set pubKey = CreateObject("Chilkat.PublicKey")
success = cert.GetPublicKey(pubKey)
set rsa = CreateObject("Chilkat.Rsa")
success = rsa.UsePublicKey(pubKey)
rsa.EncodingMode = "base64"
encryptedStr = rsa.EncryptStringENC("hello",0)
outFile.WriteLine("encrypted string = " & encryptedStr)
outFile.Close
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