PSCredentialStore/src/ChallengeFile/Set-ChallengeFile.ps1

73 lines
1.9 KiB
PowerShell

Function Set-ChallengeFile() {
<#
.SYNOPSIS
Writes the given key into the challenge file
.DESCRIPTION
You can use the file content for ConvertTo-SecureString operations.
.PARAMETER Path
The file you wish to create.
.PARAMETER KeySize
Specify the key size for the encryption key.
.PARAMETER Force
Use this switch to override an older file version.
.INPUTS
[None]
.OUTPUTS
[None]
.EXAMPLE
.\Set-ChallengeFile -Path "C:\TMP\myfile.json" -Force
.NOTES
File Name : Set-ChallengeFile.ps1
Author : Marco Blessing - marco.blessing@googlemail.com
Requires :
.LINK
https://github.com/OCram85/PSCredentialStore
#>
[CmdletBinding()]
param(
[Parameter(Mandatory = $false)]
[string]$Path = "{0}\PSCredentialStore\Challenge.bin" -f $env:ProgramData,
[Parameter(Mandatory = $false)]
[ValidateSet(16, 24, 32)]
[string]$KeySize = "24",
[switch]$Force
)
if ((Test-Path -Path $Path)) {
if ($Force -eq $true) {
Remove-Item -Path $Path -Confirm:$false -Force
}
else {
Write-Error "The given file already exists!. Use the -Force switch to override it." -ErrorAction Stop
}
}
$PSCredentialStoreDataDir = Split-Path -Path $Path -Parent
if (-not (Test-Path $PSCredentialStoreDataDir)) {
try {
New-Item -ItemType Directory -Path $PSCredentialStoreDataDir
}
catch {
Write-Error ("Could not create the parent data dir {0}" -f $PSCredentialDataDir) -ErrorAction Stop
}
}
try {
$Keys = Get-RandomKey -Size $KeySize
[io.file]::WriteAllBytes($Path, $Keys)
}
catch {
$_.Exception | Format-List -Force | Out-String | Write-Error -ErrorAction Stop
}
}