(CkPython) 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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import sys
import chilkat

success = False

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

rsa = chilkat.CkRsa()

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

xml = chilkat.CkXml()
xml.put_Tag("RSAPublicKey")
xml.NewChild2("Modulus",modulus)
xml.NewChild2("Exponent",exponent)

pubKey = chilkat.CkPublicKey()
success = pubKey.LoadFromString(xml)
if (success == False):
    print(pubKey.lastErrorText())
    sys.exit()

success = rsa.UsePublicKey(pubKey)
if (success == False):
    print(rsa.lastErrorText())
    sys.exit()

usePrivateKey = False
plainText = "message in a bottle"

rsa.put_EncodingMode("base64")
encryptedStrBase64 = rsa.encryptStringENC(plainText,usePrivateKey)
print(encryptedStrBase64)