https://docs.pingidentity.com/pingfederate/12.2/getting_started_with_pingfederate/pf_integrating_thales_luna_network_hsm.html
Integrating with Thales Luna Network HSM | PingFederate Server
PingFederate supports multiple hardware security modules (HSMs), including Thales Luna Network HSMs.
luna network hsmintegratingthalespingfederateserver
https://docs.pingidentity.com/pingfederate/12.1/getting_started_with_pingfederate/pf_thales_luna_network_hsm_operational_notes.html
Thales Luna Network HSM operational notes | PingFederate Server
When using a hardware security module (HSM), some restrictions apply to PingFederate.
luna network hsmthalesoperationalnotespingfederate