Private/New-AesKey.ps1
|
function New-AesKey { [CmdletBinding()] param( [ValidateSet(128,192,256)] [int]$BitLength=256 ) # create a random AES key with the specified length # BitLength / 8 = ByteLength $key = [byte[]]::new($BitLength/8) try { $rng = [Security.Cryptography.RNGCryptoServiceProvider]::Create() $rng.GetBytes($key) } finally { if ($null -ne $rng) { $rng.Dispose() } } # return it as Base64Url ConvertTo-Base64Url -Bytes $key } |