If you're looking to activate or manage licenses on your Cisco ASA 5540 running version 8.2(1) with a keymaker tool:
The Cisco ASA 5540 is a part of the ASA 5500 series, which was widely used for secure network access, site-to-site and remote access VPNs, and protecting against network threats. Key features of the ASA 5540 include: Cisco asa 5540 v8 2 1 keymaker v1 0
The Cisco ASA 5540 running on version 8.2.1 offers a range of enhanced features and performance improvements, including: If you're looking to activate or manage licenses
Cisco ASA Licensing > Licensed Features on ASA - Cisco Press site-to-site and remote access VPNs