(AutoIt) RSA OAEP Padding

Demonstrates how to use OAEP padding with the RSA encryption algorithm. More information about OAEP Padding.

Note: This example requires Chilkat v11.0.0 or greater.

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

Local $bSuccess = False

; This example assumes the Chilkat API to have been previously unlocked.
; See Global Unlock Sample for sample code.

$oRsa = ObjCreate("Chilkat.Rsa")

; RSA public key in XML format:
Local $sPubKeyXml = "<RSAPublicKey><Modulus>of3im3mRgd2NLXIGoK6uYLg6jj0Ug2b42rnqa5Tbwz2ieFqMJqt+++x2oqLYGurlz49nt+7/785g3XYWqoka4u9c9zul6YubIjnBM72dQy7rEkEfbUxgjcxqXyjZFx+FpaxFUecLu688XEu+9UA42VKiCgcl+E7TrqnfeeYpNXc=</Modulus><Exponent>AQAB</Exponent></RSAPublicKey>"

$oPubKey = ObjCreate("Chilkat.PublicKey")
$bSuccess = $oPubKey.LoadFromString($sPubKeyXml)
If ($bSuccess = False) Then
    ConsoleWrite($oPubKey.LastErrorText & @CRLF)
    Exit
EndIf

$bSuccess = $oRsa.UsePublicKey($oPubKey)
If ($bSuccess = False) Then
    ConsoleWrite($oRsa.LastErrorText & @CRLF)
    Exit
EndIf

; To use Optimal Asymmetric Encryption Padding (OAEP) padding,
; simply set the PkcsPadding property to False
$oRsa.PkcsPadding = False

; Encrypt a string and return the encrypted data base64-encoded:
$oRsa.EncodingMode = "base64"

Local $sPlainText = "RSA Encryption should be easy."

Local $bUsePrivateKey = False
Local $sEncryptedStr = $oRsa.EncryptStringENC($sPlainText,$bUsePrivateKey)
ConsoleWrite($sEncryptedStr & @CRLF)