createHash.ps1

param([string] $userName = "coh",
	  [string] $userPassword = "coh")
	  
$ErrorActionPreference = "STOP"
 
function Get-Adler32 {
    param(
        [string] $data
    )
 
    $mod_adler = 65521
    $a = 1
    $b = 0
    $len = $data.Length
    for ($index = 0; $index -lt $len; $index++) {
        $a = ($a + [byte]$data[$index]) % $mod_adler
        $b = ($b + $a) % $mod_adler
    }
 
    return ($b -shl 16) -bor $a;
}
 
function Get-HashedPassword {
    param(
        [string] $UserName,
        [string] $Password
    )
        $a32 = adler32($UserName.ToLower())
        $a32hex = $a32.ToString("x8")
        $a32hex = $a32hex.Substring(6, 2) + $a32hex.Substring(4, 2) + $a32hex.Substring(2, 2) + $a32hex.Substring(0, 2)
        $bytes = [System.Text.Encoding]::UTF8.GetBytes($Password + $a32hex)
        $digest = [System.Security.Cryptography.HashAlgorithm]::Create("SHA512").ComputeHash($bytes)
	
        return $digest
}

$hashedPassword = Get-HashedPassword -UserName $userName -Password $userPassword
$p = ""
foreach($byte in $hashedPassword) {
	$p = $p + $byte.ToString("x2");
}

Write-Host $p