(Xojo Plugin) RSA Encrypt with Modulus and Exponent

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

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

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Dim success As Boolean
success = False

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

Dim rsa As New Chilkat.Rsa

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

Dim xml As New Chilkat.Xml
xml.Tag = "RSAPublicKey"
xml.NewChild2 "Modulus",modulus
xml.NewChild2 "Exponent",exponent

Dim pubKey As New Chilkat.PublicKey
success = pubKey.LoadFromString(xml)
If (success = False) Then
    System.DebugLog(pubKey.LastErrorText)
    Return
End If

success = rsa.UsePublicKey(pubKey)
If (success = False) Then
    System.DebugLog(rsa.LastErrorText)
    Return
End If

Dim usePrivateKey As Boolean
usePrivateKey = False
Dim plainText As String
plainText = "message in a bottle"

rsa.EncodingMode = "base64"
Dim encryptedStrBase64 As String
encryptedStrBase64 = rsa.EncryptStringENC(plainText,usePrivateKey)
System.DebugLog(encryptedStrBase64)