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(AutoIt) Duplicate PHP RSA EncryptionDemonstrates how to duplicate the following PHP function.
; This example requires the Chilkat API to have been previously unlocked. ; See Global Unlock Sample for sample code. ; Duplicate the following PHP code: ; ; public function encryptRSA($plainText,$rsaMOD,$pubKEY){ ; $rsa = new RSA(); ; $rsa->setEncryptionMode(RSA::ENCRYPTION_PKCS1); ; $publicKey = [ ; 'e' => new BigInteger($pubKEY,16), ; 'n' => new BigInteger($rsaMOD,16) ; ]; ; ; $rsa->loadKey($publicKey); ; $ciphertext = $rsa->encrypt($plainText); ; return bin2hex($ciphertext); ; } ; ; $plainText="key=abcdefghijkmnopq&iv=abcdefghijkmnopq&h=12345678&s=12345678" ; $rsaMOD="F0946D8F05604809E24B8CFFD30349CEA9E5F4D320BFD9E9AA1B088863F02C43E7997D37A3E27B4F8F359F1744DB6B20A437067C0D325A80660D12FF56A57673" ; $pubKEY="010001" ; We have the RSA modulus in hex Local $sRsaMOD = "F0946D8F05604809E24B8CFFD30349CEA9E5F4D320BFD9E9AA1B088863F02C43E7997D37A3E27B4F8F359F1744DB6B20A437067C0D325A80660D12FF56A57673" ; The RSA exponent in hex is "010001", which is 65537 in decimal. It's typically the exponent that is always used. Local $sRsaEXP = "010001" ; Get the RSA modulus and exponent in base64. $oBdMod = ObjCreate("Chilkat.BinData") $oBdExp = ObjCreate("Chilkat.BinData") Local $bSuccess = $oBdMod.AppendEncoded($sRsaMOD,"hex") $bSuccess = $oBdExp.AppendEncoded($sRsaEXP,"hex") ; Build the XML representation of the RSA public key $oXml = ObjCreate("Chilkat.Xml") $oXml.Tag = "RSAPublicKey" $oXml.UpdateChildContent "Modulus",$oBdMod.GetEncoded("base64") $oXml.UpdateChildContent "Exponent",$oBdExp.GetEncoded("base64") ; Load the RSA public key into a Chilkat public key object. $oPubkey = ObjCreate("Chilkat.PublicKey") $bSuccess = $oPubkey.LoadFromString($oXml.GetXml()) ; Setup the RSA object for encryption and do it.. $oRsa = ObjCreate("Chilkat.Rsa") $oRsa.VerboseLogging = True $bSuccess = $oRsa.ImportPublicKeyObj($oPubkey) ; Use PKCSv1.5 padding $oRsa.OaepPadding = False ; Encrypt and return the string as hex. $oRsa.EncodingMode = "hex" Local $sPlainText = "key=abcdefghijkmnopq&iv=abcdefghijkmnopq&h=12345678&s=12345678" Local $sCipherText = $oRsa.EncryptStringENC($sPlainText,False) If ($oRsa.LastMethodSuccess = False) Then ConsoleWrite($oRsa.LastErrorText & @CRLF) Exit EndIf ; Note: The PKCSv1_5 padding incorporates random bytes. Therefore, the RSA encryption will produce different results each time -- all of which are valid ; and decrypt correctly to the same original text. ConsoleWrite($sCipherText & @CRLF) |
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