ExportBase64Certificate.psm1
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function Export-Base64Certificate { <# .SYNOPSIS Export a certificate as Base-64 encoded X.509 .DESCRIPTION Exports a certificate from the local certificate store as a Base-64 encoded X.509 FileSystemInfo .PARAMETER Cert The certificate to be exported .PARAMETER FilePath The destination of the exported certificate .PARAMETER Raw The exported file will not contian -----BEGIN CERTIFICATE----- or -----END CERTIFICATE----- or any line breaks. .INPUTS System.String Switch System.Security.Cryptography.X509Certificates.X509Certificate2 .OUTPUTS System.IO.FileSystemInfo .EXAMPLE $Cert = Get-ChildItem -Path Cert:\LocalMachine\My\FF040E76A99731965DC35691463AB33D55F59261 Export-Base64Certificate -Cert $Cert -FilePath .\ExportedCert.cer .EXAMPLE $Cert = Get-ChildItem -Path Cert:\LocalMachine\My\FF040E76A99731965DC35691463AB33D55F59261 $Cert | Export-Base64Certificate -FilePath .\ExportedCert.cer .EXAMPLE $Cert = Get-ChildItem -Path Cert:\LocalMachine\My\FF040E76A99731965DC35691463AB33D55F59261 Export-Base64Certificate -Cert $Cert -FilePath .\ExportedCert.cer -Raw .EXAMPLE $Cert = Get-ChildItem -Path Cert:\LocalMachine\My\FF040E76A99731965DC35691463AB33D55F59261 $Cert | Export-Base64Certificate -FilePath .\ExportedCert.cer -Raw #> [CmdletBinding()][OutputType('[System.IO.FileSystemInfo]')] Param( [Parameter(Mandatory=$true, ValueFromPipeline=$true, Position = 0)] [ValidateNotNullOrEmpty()] [System.Security.Cryptography.X509Certificates.X509Certificate2]$Cert, [Parameter(Mandatory=$true, Position=1)] [ValidateNotNullOrEmpty()] [String]$FilePath, [Parameter(Position=2)] [ValidateNotNullOrEmpty()] [Switch]$Raw ) Begin { } Process { if ($PSBoundParameters.ContainsKey("Raw")) { $Base64Cert = [System.Convert]::ToBase64String($Cert.RawData, "None") } else { $Base64Cert = @( '-----BEGIN CERTIFICATE-----' [System.Convert]::ToBase64String($Cert.RawData, "InsertLineBreaks") '-----END CERTIFICATE-----' ) } Write-Verbose -Message "Exporting certificate" $Base64Cert | Out-File -FilePath $FilePath -Encoding ascii -Verbose:$VerbosePreference Get-ChildItem -Path (Resolve-Path -Path $FilePath -Verbose:$VerbosePreference).Path -Verbose:$VerbosePreference } End { } } |