As such, it is analogous to the common low infrastructure usage of the Transport Layer Security (TLS) protocol RFC 2246.
A Low Infrastructure Public Key Mechanism Using SPKM requires that the SPKM-3 implementation support all the mechanism independent name types in Generic Security Service Application Program Interface, Version 2 (RFC 2078).
The Simple Public-Key GSS-API Mechanism (SPKM RFC 2025) defines various algorithms for integrity, confidentiality, key establishment, and subkey derivation.