PowerShell

Get Base64 Public Key from Private Key

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Demonstrates how to get the public key in base64 format from a private key. PowerShell

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

$success = $false

# Load a private key from base64.
$bd = New-Object Chilkat.BinData
$success = $bd.AppendEncoded("MHQCA....n0Q==","base64")

$privKey = New-Object Chilkat.PrivateKey
$success = $privKey.LoadAnyFormat($bd,"")
if ($success -eq $false) {
    $($privKey.LastErrorText)
    exit
}

$pubKey = New-Object Chilkat.PublicKey
$privKey.ToPublicKey($pubKey)

$pubKeyBase64 = $pubKey.GetEncoded($true,"base64")
$($pubKeyBase64)