.\" $NetBSD: krb5_principal_intro.3,v 1.3 2023/06/19 21:41:40 christos Exp $ .\" .TH "krb5_principal_intro" 3 "Tue Nov 15 2022" "Version 7.8.0" "Heimdal Kerberos 5 library" \" -*- nroff -*- .ad l .nh .SH NAME krb5_principal_intro \- The principal handing functions\&. A Kerberos principal is a email address looking string that contains two parts separated by . The second part is the kerberos realm the principal belongs to and the first is a list of 0 or more components\&. For example .PP .nf lha@SU.SE host/hummel.it.su.se@SU.SE host/admin@H5L.ORG .fi .PP .PP See the library functions here: \fBHeimdal Kerberos 5 principal functions\fP