SignFile with Sha1 algorithm when using Sha256 certificate

gistfile1.ps1

function SignFile($filePath, $timeStampUri, $certThumbprint)
{
    $x509Store = New-Object -TypeName ([System.Security.Cryptography.X509Certificates.X509Store]) -ArgumentList ([System.Security.Cryptography.X509Certificates.StoreName]::My),([System.Security.Cryptography.X509Certificates.StoreLocation]::CurrentUser)
    try
    {
        $x509Store.Open([System.Security.Cryptography.X509Certificates.OpenFlags]::ReadOnly)
        $x509Certificate2Collection = $x509Store.Certificates.Find([System.Security.Cryptography.X509Certificates.X509FindType]::FindByThumbprint, $certThumbprint, $false);
        if ($x509Certificate2Collection.Count -eq 1)
        {
            $cert = [System.Security.Cryptography.X509Certificates.X509Certificate2]@($x509Certificate2Collection)[0]

            # This will force using of SHA1 instead of SHA256
            $cert.SignatureAlgorithm.FriendlyName = ""
            
            Add-Type -AssemblyName "Microsoft.Build.Tasks.v4.0"
            
            echo "Calling SignFile with file $filePath"
            if(Test-Path $filePath)
            {
                echo "File to be signed exists"
            }

            [Microsoft.Build.Tasks.Deployment.ManifestUtilities.SecurityUtilities]::SignFile($cert, $timeStampUri, $filePath)
        }
    }
    finally
    {
        $x509Store.Close();
    }
}

I need help with this script . Could you help me ?

Hey @RodrigoDotNet, I'm really sorry, but I didn't notice your comment here.

I'd love to help if you still need my help, of course 😄. My email is miroslav.nedialkov@gmail.com, so just drop me a line.