Powershell module for creating trusted self-signed certificates

TrustedSelfSignedCertificate.psm1

#requires -Version 2.0

#region Exported Cmdlets

<#
    .SYNOPSIS
        Creates a self-signed certificate and copies it into the trusted store.

    .DESCRIPTION
        Creates a self-signed certificate and copies it into the trusted store.

    .PARAMETER DnsName
        The DNS name for which a certicate should be issued. eg mysite.local

    .EXAMPLE
        # New-TrustedSelfSignedCertificate mysite.local

        Description
        -----------
        Creates a self-signed certificate for mysite.local
#>
function New-TrustedSelfSignedCertificate {
    [CmdletBinding()]
    param (
	    [Parameter(Position=0, ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true, Mandatory=$true)]
        [String] $DnsName,
		
		[switch] $LocalMachine = $false
    )
	
    process {
	
		$ErrorActionPreference = "Stop"

		$cert = New-SelfSignedCertificate -DnsName $DnsName -CertStoreLocation Cert:\LocalMachine\My
		
		if ($LocalMachine) {
			$CertLocation = "LocalMachine";
		} else {
			$CertLocation = "CurrentUser";
		}

		# Cert provider does not support Copy-Item, so we'll copy it manually
		$dstStore = New-Object System.Security.Cryptography.X509Certificates.X509Store("Root", $CertLocation)
		$dstStore.Open([System.Security.Cryptography.X509Certificates.OpenFlags]::ReadWrite)
		$dstStore.Add($cert)
		$dstStore.Close()
    }
}

#endregion

#region Module Interface
Export-ModuleMember New-TrustedSelfSignedCertificate
#endregion