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+.\" Copyright (c) 2004 Kungliga Tekniska Högskolan
+.\" (Royal Institute of Technology, Stockholm, Sweden).
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\"
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\"
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" 3. Neither the name of the Institute nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $Id: krb5_find_padata.3 13595 2004-03-21 13:17:41Z lha $
+.\"
+.Dd March 21, 2004
+.Dt KRB5_FIND_PADATA 3
+.Os HEIMDAL
+.Sh NAME
+.Nm krb5_find_padata ,
+.Nm krb5_padata_add
+.Nd Kerberos 5 pre-authentication data handling functions
+.Sh LIBRARY
+Kerberos 5 Library (libkrb5, -lkrb5)
+.Sh SYNOPSIS
+.In krb5.h
+.Pp
+.Ft "PA_DATA *"
+.Fo krb5_find_padata
+.Fa "PA_DATA *val"
+.Fa "unsigned len"
+.Fa "int type"
+.Fa "int *index"
+.Fc
+.Ft int
+.Fo krb5_padata_add
+.Fa "krb5_context context"
+.Fa "METHOD_DATA *md"
+.Fa "int type"
+.Fa "void *buf"
+.Fa "size_t len"
+.Fc
+.Sh DESCRIPTION
+.Fn krb5_find_padata
+tries to find the pre-authentication data entry of type
+.Fa type
+in the array
+.Fa val
+of length
+.Fa len .
+The search is started at entry pointed out by
+.Fa *index
+(zero based indexing).
+If the type isn't found,
+.Dv NULL
+is returned.
+.Pp
+.Fn krb5_padata_add
+adds a pre-authentication data entry of type
+.Fa type
+pointed out by
+.Fa buf
+and
+.Fa len
+to
+.Fa md .
+.Sh SEE ALSO
+.Xr krb5 3 ,
+.Xr kerberos 8