PowerShell

RSA OAEP Padding

See more RSA Examples

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

Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

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

$rsa = New-Object Chilkat.Rsa

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

$pubKey = New-Object Chilkat.PublicKey
$success = $pubKey.LoadFromString($pubKeyXml)
if ($success -eq $false) {
    $($pubKey.LastErrorText)
    exit
}

$success = $rsa.UsePublicKey($pubKey)
if ($success -eq $false) {
    $($rsa.LastErrorText)
    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)
$($encryptedStr)