PowerShell

Load EC Public Key from X,Y Values (easier)

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Demonstrates how to load an ECDSA public key from X and Y values using the LoadEcdsa method introduced in Chilkat v9.5.0.85. PowerShell

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

$success = $false

# Note: This example requires Chilkat v9.5.0.85 or greater.

# We have the following x and y values in hex (for an EC point on the P-256 curve).
$x = "1ccbe91c075fc7f4f033bfa248db8fccd3565de94bbfb12f3c59ff46c271bf83"
$y = "ce4014c68811f9a21a1fdb2c0e6113e06db7ca93b7404e78dc7ccd5ca89a4ca9"

$pubkey = New-Object Chilkat.PublicKey
$success = $pubkey.LoadEcdsa("secp256r1",$x,$y)
if ($success -eq $false) {
    $($pubkey.LastErrorText)
    exit
}

$("Success.")