With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpkiRSAKeyPairTable
cpki RSA Key Pair Table
1.3.6.1.4.1.9.9.505.1.1.1
A list of RSA key-pair entries.
Back to CISCO-PKI-PARTICIPATION-MIB MIB page.
IPHost Network monitor allows you to monitor cpkiRSAKeyPairTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.