(Chilkat2-Python) RSA OAEP Padding

Demonstrates how to use OAEP padding with the RSA encryption algorithm. More information about OAEP Padding.

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

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import sys
import chilkat2

success = False

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

rsa = chilkat2.Rsa()

# RSA public key in XML format:
pubKeyXml = "<RSAPublicKey><Modulus>of3im3mRgd2NLXIGoK6uYLg6jj0Ug2b42rnqa5Tbwz2ieFqMJqt+++x2oqLYGurlz49nt+7/785g3XYWqoka4u9c9zul6YubIjnBM72dQy7rEkEfbUxgjcxqXyjZFx+FpaxFUecLu688XEu+9UA42VKiCgcl+E7TrqnfeeYpNXc=</Modulus><Exponent>AQAB</Exponent></RSAPublicKey>"

pubKey = chilkat2.PublicKey()
success = pubKey.LoadFromString(pubKeyXml)
if (success == False):
    print(pubKey.LastErrorText)
    sys.exit()

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

# To use Optimal Asymmetric Encryption Padding (OAEP) padding,
# simply set the PkcsPadding property to False
rsa.PkcsPadding = False

# Encrypt a string and return the encrypted data base64-encoded:
rsa.EncodingMode = "base64"

plainText = "RSA Encryption should be easy."

usePrivateKey = False
encryptedStr = rsa.EncryptStringENC(plainText,usePrivateKey)
print(encryptedStr)