old-www/HOWTO/Secure-Programs-HOWTO/secure-interface.html

148 lines
2.3 KiB
HTML

<HTML
><HEAD
><TITLE
>Secure the Interface</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
REL="HOME"
TITLE="Secure Programming for Linux and Unix HOWTO"
HREF="index.html"><LINK
REL="UP"
TITLE="Structure Program Internals and Approach"
HREF="internals.html"><LINK
REL="PREVIOUS"
TITLE="Follow Good Software Engineering Principles for Secure Programs"
HREF="follow-good-principles.html"><LINK
REL="NEXT"
TITLE="Separate Data and Control"
HREF="data-vs-control.html"></HEAD
><BODY
CLASS="SECT1"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>Secure Programming for Linux and Unix HOWTO</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="follow-good-principles.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 7. Structure Program Internals and Approach</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="data-vs-control.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="SECURE-INTERFACE"
></A
>7.2. Secure the Interface</H1
><P
>Interfaces should be minimal (simple as possible), narrow
(provide only the functions needed), and non-bypassable.
Trust should be minimized.
Consider limiting the data that the user can see.</P
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="follow-good-principles.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="data-vs-control.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Follow Good Software Engineering Principles for Secure Programs</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="internals.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>Separate Data and Control</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>