pwsh/dev/functions/getPolicyHash.ps1

function getPolicyHash {
    param (
        [Parameter(Mandatory)]
        [string]
        $json
    )
    return [string]([System.BitConverter]::ToString([System.Security.Cryptography.HashAlgorithm]::Create('sha256').ComputeHash([System.Text.Encoding]::UTF8.GetBytes($json))))
}