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  • Committer: Teddy Hogeborn
  • Date: 2011-11-26 20:59:56 UTC
  • mto: (237.12.8 mandos-persistent)
  • mto: This revision was merged to the branch mainline in revision 290.
  • Revision ID: teddy@recompile.se-20111126205956-vft6g0z2i6my0165
Use GPG to encrypt instead of AES.

* Makefile (run-server): Use "--no-restore" option.
* debian/control (mandos/Depends): Added "python-gnupginterface".
* mandos: (CryptoError, Crypto): New; uses GPG.
  (Client.encrypt_secret, Client.decrypt_secret): Removed.
  (ClientHandler.fingerprint): Use binascii.hexlify().
  (main): Use Crypto class to decrypt.
  (main/cleanup): Use Crypto class to encrypt.  Handle EACCES.

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intro.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY TIMESTAMP "2015-03-08">
 
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<!ENTITY TIMESTAMP "2011-10-03">
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<!ENTITY % common SYSTEM "common.ent">
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%common;
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]>
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    </authorgroup>
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    <copyright>
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      <year>2011</year>
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      <year>2012</year>
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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
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    </copyright>
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      </para>
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    </refsect2>
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    <refsect2 id="sniff">
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      <title>How about sniffing the network traffic and decrypting it
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      later by physically grabbing the Mandos client and using its
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      key?</title>
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      <para>
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        We only use <acronym>PFS</acronym> (Perfect Forward Security)
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        key exchange algorithms in TLS, which protects against this.
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      </para>
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    </refsect2>
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    <refsect2 id="physgrab">
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      <title>Physically grabbing the Mandos server computer?</title>
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      <para>
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      </para>
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    </refsect2>
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    <refsect2 id="fakecheck">
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      <title>Faking checker results?</title>
 
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    <refsect2 id="fakeping">
 
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      <title>Faking ping replies?</title>
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      <para>
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        If the Mandos client does not have an SSH server, the default
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        is for the Mandos server to use
 
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        The default for the server is to use
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        <quote><literal>fping</literal></quote>, the replies to which
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        could be faked to eliminate the timeout.  But this could
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        easily be changed to any shell command, with any security
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        measures you like.  If the Mandos client
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        <emphasis>has</emphasis> an SSH server, the default
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        configuration (as generated by
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        <command>mandos-keygen</command> with the
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        <option>--password</option> option) is for the Mandos server
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        to use an <command>ssh-keyscan</command> command with strict
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        keychecking, which can not be faked.  Alternatively, IPsec
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        could be used for the ping packets, making them secure.
 
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        measures you like.  It could, for instance, be changed to an
 
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        SSH command with strict keychecking, which could not be faked.
 
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        Or IPsec could be used for the ping packets, making them
 
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        secure.
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      </para>
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    </refsect2>
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  </refsect1>