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version 1.26, 1998/12/29 01:36:26 version 1.27, 1999/01/08 22:23:28
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 In OpenBSD MD5, SHA1, and RIPEMD-160 are used as Cryptographic Hash Functions,  In OpenBSD MD5, SHA1, and RIPEMD-160 are used as Cryptographic Hash Functions,
 e.g.  e.g.
 <ul>  <ul>
 <li>In S/Key support to provide one time passwords.  <li>In <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=skey>S/Key</a>
 <li>In IPsec, <a href=http://wserver.physnet.uni-hamburg.de/provos/photuris/>      to provide one time passwords.
         photurisd</a> and isakmpd to authenticate the data origin of packets  <li>In <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=ipsec>IPsec</a>,
         and to ensure packet integrity.      <a href=http://wserver.physnet.uni-hamburg.de/provos/photuris/>photurisd</a>
 <li>For FreeBSD-style MD5 passwords (not enabled by default).      and
 <li>For TCP SYN cookie support (not enabled by default).      <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd>isakmpd(8)</a>
       to authenticate the data origin of packets and to ensure packet integrity.
   <li>For FreeBSD-style MD5 passwords (not enabled by default), see
       <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=passwd.conf&sektion=5>
       passwd.conf(5)</a>
   <li>For TCP SYN cookie support (not enabled by default), see
       <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=options&sektion=4>
       options(4)</a>
 <li>In libssl for digital signing of messages.  <li>In libssl for digital signing of messages.
 </ul>  </ul>
   
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 OpenBSD provides transforms like DES, 3DES, Blowfish and Cast for the  OpenBSD provides transforms like DES, 3DES, Blowfish and Cast for the
 kernel and userland programs, which are used in many places like  kernel and userland programs, which are used in many places like
 <ul>  <ul>
 <li>In libc for creating Blowfish passwords.  <li>In libc for creating
 <li>In IPsec to provide confidentiality for the network layer.      <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=blf_key>Blowfish</a>
 <li>In Kerberos and a handful of kerberized applications, like telnet, cvs      passwords.
         rsh, rcp & rlogin.  <li>In
       <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=ipsec>IPsec</a>
       to provide confidentiality for the network layer.
   <li>In Kerberos and a handful of kerberized applications, like
       <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=telnet>telnet</a>,
       <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=cvs>cvs</a>,
       <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=rsh>rsh</a>,
       <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=rcp>rcp</a>,
       and
       <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=rlogin>rlogin</a>.
 <li>In <a href=http://wserver.physnet.uni-hamburg.de/provos/photuris/>  <li>In <a href=http://wserver.physnet.uni-hamburg.de/provos/photuris/>
         photurisd</a> and isakmpd to protect the exchanges where IPsec key      photurisd</a> and
         material is negotiated.      <a href=http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd>isakmpd</a>
       to protect the exchanges where IPsec key material is negotiated.
 <li>In AFS to protect the messages passing over the network, providing  <li>In AFS to protect the messages passing over the network, providing
         confidentiality of remote filesystem access.      confidentiality of remote filesystem access.
 <li>In libssl to let applications communicate over the de-facto standard  <li>In libssl to let applications communicate over the de-facto standard
         cryptographically secure SSL protocol.          cryptographically secure SSL protocol.
 </ul>  </ul>
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