Add support for SecretManagement and SecretStore providers, enhance configuration data handling, and introduce new utility functions

Private/New-ConfigurationDataAesKeyFile.ps1

@@ -0,0 +1,31 @@
+function New-ConfigurationDataAesKeyFile {
+    [CmdletBinding()]
+    Param(
+        [Parameter(Mandatory=$true)]
+        [string]
+        $Path,
+
+        [Parameter(Mandatory=$false)]
+        [switch]
+        $Force
+    )
+
+    if((Test-Path -Path $Path -PathType Leaf) -and (-not $Force)){
+        $Key = [Convert]::FromBase64String((Get-Content -Path $Path -Raw).Trim())
+        if($Key.Length -notin @(16, 24, 32)){
+            throw "Existing key file [$Path] does not contain a valid AES key length."
+        }
+
+        return $Key
+    }
+
+    $Parent = Split-Path -Path $Path -Parent
+    if(-not [string]::IsNullOrWhiteSpace($Parent) -and -not (Test-Path -Path $Parent)){
+        New-Item -Path $Parent -ItemType Directory -Force | Out-Null
+    }
+
+    $Key = New-Object byte[] 32
+    [System.Security.Cryptography.RandomNumberGenerator]::Create().GetBytes($Key)
+    Set-Content -Path $Path -Value ([Convert]::ToBase64String($Key)) -Encoding ASCII
+    return $Key
+}