(Excel) RSA OAEP Padding

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

Download Excel Class Modules Chilkat Excel Class Modules

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

Dim rsa As Chilkat.Rsa
Set rsa = Chilkat.NewRsa

' RSA public key in XML format:

publicKey = "<RSAPublicKey><Modulus>of3im3mRgd2NLXIGoK6uYLg6jj0Ug2b42rnqa5Tbwz2ieFqMJqt+++x2oqLYGurlz49nt+7/785g3XYWqoka4u9c9zul6YubIjnBM72dQy7rEkEfbUxgjcxqXyjZFx+FpaxFUecLu688XEu+9UA42VKiCgcl+E7TrqnfeeYpNXc=</Modulus><Exponent>AQAB</Exponent></RSAPublicKey>"


success = rsa.ImportPublicKey(publicKey)

' To use Optimal Asymmetric Encryption Padding (OAEP) padding,
' simply set the OaepPadding property:
rsa.OaepPadding = True

' 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)
Debug.Print encryptedStr