Benchpress

1.3.8

PowerShellPerformance/Ways_To_Hash_A_File.benchmark.ps1

                                #require -Module Benchpress

$myScript = $MyInvocation.MyCommand.ScriptBlock.File

$techniques = @{

    DotNet = { 

        [BitConverter]::ToString([Security.Cryptography.SHA1]::Create().ComputeHash([IO.File]::ReadAllBytes("$myScript"))).Replace('-','').ToLower()

    }

    GetFileHash = {

        @(Get-FileHash "$myScript" -Algorithm SHA1).Hash

    }

    CertUtil = {

        @(certutil.exe -hashfile "$myScript")[1]

    }

}

if ($PSVersionTable.Platform -and $PSVersionTable.Platform -notlike 'Win*') {

    $techniques.Remove('CertUtil')

}

bench $techniques -RepeatCount 100