The lib Directory
The lib directory contain 10 subdirectories as well as some
definition and glue files. The crypto subdirectory contains the
Kerberos V5 encryption library. The des425 subdirectory exports
the Kerberos V4 encryption API, and translates these functions into
calls to the Kerberos V5 encryption API. The gssapi library
contains the Generic Security Services API, which is a library of
commands to be used in secure client-server communication. The
kadm5 directory contains the libraries for the KADM5 administration
utilities. The Kerberos 5 database libraries are contained in
kdb. The directories krb4 and krb5 contain the Kerberos 4
and Kerberos 5 APIs, respectively. The rpc directory contains the
API for the Kerberos Remote Procedure Call protocol.