PSCredentialStore/src/Private/Get-RandomAESKey.ps1

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function Get-RandomAESKey {
<#
.SYNOPSIS
Generate a new 32-byte AES key.
.DESCRIPTION
Uses the System.Security.Cryptography namespace for random aes key generation.
.INPUTS
[None]
.OUTPUTS
[byte[]]
.EXAMPLE
.\Get-RandomAESKey
.NOTES
File Name : Get-RandomAESKey.ps1
Author : Marco Blessing - marco.blessing@googlemail.com
Requires :
.LINK
https://github.com/OCram85/PSCredentialStore
#>
[CmdletBinding()]
[OutputType([byte[]])]
param()
begin {}
process {
$key = [byte[]]::new(32)
$rng = [System.Security.Cryptography.RNGCryptoServiceProvider]::Create()
$rng.GetBytes($key)
Write-Output $key
if ($null -ne $key) {
[array]::Clear($key, 0, $key.Length)
}
}
end {}
}