(Ruby) RSA OAEP Padding

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

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

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

rsa = Chilkat::CkRsa.new()

# 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.put_OaepPadding(true)

# Encrypt a string and return the encrypted data base64-encoded:
rsa.put_EncodingMode("base64")

plainText = "RSA Encryption should be easy."

usePrivateKey = false
encryptedStr = rsa.encryptStringENC(plainText,usePrivateKey)
print encryptedStr + "\n";