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<?xml version="1.0" encoding="latin1" ?>
<!DOCTYPE chapter SYSTEM "chapter.dtd">
<chapter>
<header>
<copyright>
<year>2003</year><year>2009</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
The contents of this file are subject to the Erlang Public License,
Version 1.1, (the "License"); you may not use this file except in
compliance with the License. You should have received a copy of the
Erlang Public License along with this software. If not, it can be
retrieved online at http://www.erlang.org/.
Software distributed under the License is distributed on an "AS IS"
basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
the License for the specific language governing rights and limitations
under the License.
</legalnotice>
<title>PKIX Certificates</title>
<prepared>UAB/F/P Peter Högfeldt</prepared>
<docno></docno>
<date>2003-06-09</date>
<rev>A</rev>
<file>pkix_certs.sgml</file>
</header>
<section>
<title>Introduction to Certificates</title>
<p><em>Outline:</em></p>
<list type="bulleted">
<item>SSL/TLS protocol - server must have certificate - -what
the the server sends to the client - client may verify the
server - server may ask client for certificate - what the
client sends to the server - server may then verify the client
- verification - certificate chains - root certificates -
public keys - key agreement - purpose of certificate - main
contents of certificate - contents have increased as time went
by - common file formats for certificates.
</item>
<item>private keys - password protection - key generation - file
formats.
</item>
<item>ssl_pkix and alternate decodings.
</item>
<item>Attribute Certificates (not used by SSL).
</item>
<item>Certificate requests - certificate authorities - signing of
certificates - certificate revocation lists.
</item>
<item>standards: ASN.1, X.509, X.520, PKIX, PKCS, PEM.
</item>
<item>incompatibilities between standards (X.509-1997 vs old) - the
ASN.1 problem of ANY, BIT STRING and OCTET STRING - the module
ssl_pkix.
</item>
<item>test suites: NIST
</item>
<item>Warnings: *creation* of trusted certificate (OpenSSL).
</item>
<item>Erlang SSL and certificates
</item>
<item>The need for seeding the random generator. See also John
S. Denker: High-Entropy Symbol Generator
(http://www.monmouth.com/~jsd).
</item>
<item>links to standards and documents. Books (Rescorla).
</item>
<item>ASN.1 crash course.
</item>
<item>Nagel algorithm.
</item>
</list>
<p>For an introduction to ASN.1 see <url href="http://asn1.elibel.tm.fr/">ASN.1 Information Site</url>.
</p>
</section>
</chapter>
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