Inventory of certificates, private keys and nShield HSM kmdata files

2018-05-22 18:54:00

Building on my previous Thales nShield HSM blog post, here's a nice improvement.

If you make an array with (FQDN) hostnames of HSM-clients you can run the following Powershell script on your RFS-box to traverse all HSM-systems so you can cross-reference their certs to the kmdata files in your nShield RFS.

$Hosts="host1","host2","host3"

ForEach ($TargetHost) in $Hosts)

{
               Invoke-Command -ComputerName $TargetHost -ScriptBlock {
                              $Thumbs=Get-ChildItem cert:LocalMachineMy
                             ForEach ($TP in $Thumbs.thumbprint) {
                                             $BLOB=(certutil -store My $TP);
                                             $HOSTNAME=(hostname);
                                             $SUBJ=($BLOB | Select-String "Subject:").ToString().Replace("Subject: ","");
                                             $CONT=($BLOB | Select-String "Key Container =").ToString().Replace("Key Container = ","").Replace(" ","");
                                             Write-Output "$HOSTNAME $TP ""$SUBJ"" ""$CONT""";
                             }
              }

 
$KeyFiles = Get-ChildItem 'C:ProgramData CipherKey Management DataLocalkey_caping*'
ForEach ($KMData in $KeyFiles) {
               $CONT=(kmfile-dump -p $KMData | Select -First 7 | Select -Last 1)
               Write-Output "$KMData $CONT";
}

 

For example, output for the previous example would be:

TESTBOX F34F7A37C39255FA7E007AE68C1FE3BD92603A0D "CN=testbox, C=thomas, C=NL" "ThomasTest"

C:ProgramData CipherKey Management DataLocalkey_caping_machine--a45b47a3cee75df2fe462521313eebe9ef5ab4                    ThomasTest

 

The first line is for host TESTBOX and it shows the certificate for the testbox certificate, with a link to the ThomasTest container. The second line shows the specific kmdata file that is tied to the ThomasTest container. Nice :)


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