(PowerBuilder) RSA Encrypt with Modulus and Exponent

Demonstrates how to RSA encrypt with a given modulus and exponent.

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

integer li_rc
oleobject loo_Rsa
string ls_Modulus
string ls_Exponent
oleobject loo_Xml
string ls_PublicKey
integer li_Success
integer li_UsePrivateKey
string ls_PlainText
string ls_EncryptedStrBase64

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

loo_Rsa = create oleobject
// Use "Chilkat_9_5_0.Rsa" for versions of Chilkat < 10.0.0
li_rc = loo_Rsa.ConnectToNewObject("Chilkat.Rsa")
if li_rc < 0 then
    destroy loo_Rsa
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Assuming you already have a base64 modulus and exponent,
// wrap it in XML like this:
ls_Modulus = "qMBRpdYrAy5aMmo31NErUizh5sbweguSmh4wlK6uJEIDl+kwTlROnE34KOFExeTbJSX0WygPi+vWl0yNq7buIMUKpytossAAWut5khO3CQJxTk7G2gnEPNUUXHiExGgNrLzcSLv8YIlfVALhoRWyC67KOL+a+3taNq3h+BHeWhM="
ls_Exponent = "AQAB"

loo_Xml = create oleobject
// Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
li_rc = loo_Xml.ConnectToNewObject("Chilkat.Xml")

loo_Xml.Tag = "RSAPublicKey"
loo_Xml.NewChild2("Modulus",ls_Modulus)
loo_Xml.NewChild2("Exponent",ls_Exponent)

// Encrypt with the public key.
ls_PublicKey = loo_Xml.GetXml()
li_Success = loo_Rsa.ImportPublicKey(ls_PublicKey)

li_UsePrivateKey = 0
ls_PlainText = "message in a bottle"

loo_Rsa.EncodingMode = "base64"
ls_EncryptedStrBase64 = loo_Rsa.EncryptStringENC(ls_PlainText,li_UsePrivateKey)
Write-Debug ls_EncryptedStrBase64


destroy loo_Rsa
destroy loo_Xml