32 lines
969 B
PowerShell
32 lines
969 B
PowerShell
function New-ConfigurationDataAesKeyFile {
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[CmdletBinding()]
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Param(
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[Parameter(Mandatory=$true)]
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[string]
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$Path,
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[Parameter(Mandatory=$false)]
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[switch]
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$Force
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)
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if((Test-Path -Path $Path -PathType Leaf) -and (-not $Force)){
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$Key = [Convert]::FromBase64String((Get-Content -Path $Path -Raw).Trim())
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if($Key.Length -notin @(16, 24, 32)){
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throw "Existing key file [$Path] does not contain a valid AES key length."
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}
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return $Key
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}
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$Parent = Split-Path -Path $Path -Parent
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if(-not [string]::IsNullOrWhiteSpace($Parent) -and -not (Test-Path -Path $Parent)){
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New-Item -Path $Parent -ItemType Directory -Force | Out-Null
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}
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$Key = New-Object byte[] 32
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[System.Security.Cryptography.RandomNumberGenerator]::Create().GetBytes($Key)
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Set-Content -Path $Path -Value ([Convert]::ToBase64String($Key)) -Encoding ASCII
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return $Key
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}
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