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(VBScript) RSA Encrypt with Modulus and ExponentDemonstrates how to RSA encrypt with a given modulus and exponent. 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 ' This example assumes the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. set rsa = CreateObject("Chilkat.Rsa") ' Assuming you already have a base64 modulus and exponent, ' wrap it in XML like this: modulus = "qMBRpdYrAy5aMmo31NErUizh5sbweguSmh4wlK6uJEIDl+kwTlROnE34KOFExeTbJSX0WygPi+vWl0yNq7buIMUKpytossAAWut5khO3CQJxTk7G2gnEPNUUXHiExGgNrLzcSLv8YIlfVALhoRWyC67KOL+a+3taNq3h+BHeWhM=" exponent = "AQAB" set xml = CreateObject("Chilkat.Xml") xml.Tag = "RSAPublicKey" xml.NewChild2 "Modulus",modulus xml.NewChild2 "Exponent",exponent set pubKey = CreateObject("Chilkat.PublicKey") success = pubKey.LoadFromString(xml) If (success = 0) Then outFile.WriteLine(pubKey.LastErrorText) WScript.Quit End If success = rsa.UsePublicKey(pubKey) If (success = 0) Then outFile.WriteLine(rsa.LastErrorText) WScript.Quit End If usePrivateKey = 0 plainText = "message in a bottle" rsa.EncodingMode = "base64" encryptedStrBase64 = rsa.EncryptStringENC(plainText,usePrivateKey) outFile.WriteLine(encryptedStrBase64) outFile.Close |
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