Functions/Certificate/Get-CertificatePrivateKeyPermission.ps1
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<#
.SYNOPSIS Return all permissions entries of a certificate private key. .DESCRIPTION This command will resolve the certificate to it's corresponding private key file in C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys and return the access entries. .INPUTS None. .OUTPUTS System.Security.AccessControl.FileSystemAccessRule. Access control entries. .EXAMPLE PS C:\> Get-CertificatePrivateKeyPermission -Thumbprint '10E6862E31114CD86C5CD3E675ED45F4CA6DF8A0 Get the certificate private key permissions. .LINK https://github.com/claudiospizzi/SecurityFever #> function Get-CertificatePrivateKeyPermission { [CmdletBinding()] [OutputType([System.Security.AccessControl.FileSystemAccessRule])] param ( # The target certificate object from the local certificate store. [Parameter(Mandatory = $true, ParameterSetName = 'Certificate', ValueFromPipeline = $true)] [System.Security.Cryptography.X509Certificates.X509Certificate2] $Certificate, # Certificate thumbprint, must be imported in the local certificate store. [Parameter(Mandatory = $true, ParameterSetName = 'Thumbprint')] [System.String] $Thumbprint ) begin { Test-AdministratorRole -Throw } process { # Find the certificate, if the thumbprint was specified if ($PSCmdlet.ParameterSetName -eq 'Thumbprint') { $Certificate = Get-ChildItem -Path 'Cert:\' -Recurse | Where-Object { $_.Thumbprint -eq $Thumbprint } | Select-Object -First 1 if ($null -eq $Certificate) { throw "Certificate with thumbprint $Thumbprint not found!" } } $path = Get-CertificatePrivateKeyFile -Certificate $Certificate Get-Acl -Path $path | Select-Object -ExpandProperty 'Access' } } |