New-DomainSignedCertificate.ps1
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<#
.SYNOPSIS This commandlet requests a certificate from the active directory certificate services and adds it to the store .DESCRIPTION This commandlet requests a certificate from the active directory certificate services and adds it to the store. The commandlet automates the flow of certreq.exe. .PARAMETER Hostname The hostname of the certificate also known as the Common Name (CN) .PARAMETER Organization The organization of the certificate (O) .PARAMETER OrganizationalUnit The organization unit of the certificate (OU) .PARAMETER Locality The locality unit of the certificate also known as the city (L) .PARAMETER State The state of the certificate (S) .PARAMETER Country The country of the certificate (C) .PARAMETER CertificateAuthority The the certificate authority that will issue the certificate. For a sever attached to a domain use the certutil to find the value. .PARAMETER FriendlyName The friendly name of the certificate. Default use the yyyyMMdd.hostname .PARAMETER Keylength The key length of the certificate .PARAMETER workdir The path where the temporary files are generated. Default is the %temp% .EXAMPLE New-DomainSignedCertificate -Hostname "example.com" -CertificateAuthority "" .LINK http://serverfault.com/questions/670160/how-can-i-create-and-install-a-domain-signed-certificate-in-iis-using-powershell #> function New-DomainSignedCertificate { [CmdletBinding()] param( [parameter(Mandatory=$true)] [string] $Hostname, [parameter(Mandatory=$false)] [string] $Organization="", [parameter(Mandatory=$false)] [string] $OrganizationalUnit="", [parameter(Mandatory=$false)] [string] $Locality="", [parameter(Mandatory=$false)] [string] $State="", [parameter(Mandatory=$false)] [string] $Country="", [parameter(Mandatory=$true)] [string] $CertificateAuthority, [parameter(Mandatory=$false)] [string] $FriendlyName="$(Get-Date -Format "yyyyMMdd").$Hostname", [parameter(Mandatory=$false)] [string] $Keylength = "2048", [string] $workdir = $env:Temp ) $fileBaseName = $Hostname -replace "\.", "_" $fileBaseName = $fileBaseName -replace "\*", "" $infFile = $workdir + "\" + $fileBaseName + ".inf" $requestFile = $workdir + "\" + $fileBaseName + ".req" $CertFileOut = $workdir + "\" + $fileBaseName + ".cer" Try { Write-Verbose "Creating the certificate request information file ..." $inf = @" [Version] Signature="`$Windows NT`$" [NewRequest] Subject = "CN=$Hostname, OU=$OrganizationalUnit, O=$Organization, L=$Locality, S=$State, C=$Country" KeySpec = 1 KeyLength = $Keylength Exportable = TRUE FriendlyName = "$FriendlyName" MachineKeySet = TRUE SMIME = False PrivateKeyArchive = FALSE UserProtected = FALSE UseExistingKeySet = FALSE ProviderName = "Microsoft RSA SChannel Cryptographic Provider" ProviderType = 12 RequestType = PKCS10 KeyUsage = 0xa0 "@ $inf | Set-Content -Path $infFile Write-Verbose "Creating the certificate request ..." & certreq.exe -new "$infFile" "$requestFile" Write-Verbose "Submitting the certificate request to the certificate authority ..." & certreq.exe -submit -config "$CertificateAuthority" -attrib "CertificateTemplate:WebServer" "$requestFile" "$CertFileOut" if (Test-Path "$CertFileOut") { Write-Verbose "Installing the generated certificate ..." & certreq.exe -accept "$CertFileOut" } } Finally { Get-ChildItem "$workdir\$fileBaseName.*" | remove-item } } |