<?xml version='1.0'?>

<reference anchor='RFC2404'>

<front>
<title>The Use of HMAC-SHA-1-96 within ESP and AH</title>
<author initials='C.' surname='Madson' fullname='Cheryl Madson'>
<organization>Cisco Systems, Inc.</organization>
<address>
<email>cmadson@cisco.com</email></address></author>
<author initials='R.' surname='Glenn' fullname='Rob Glenn'>
<organization>NIST</organization>
<address>
<email>rob.glenn@nist.gov</email></address></author>
<date month='November' year='1998' />
<area>Security</area>
<area>Internet</area>
<keyword>IP security protocol</keyword>
<keyword>authentication</keyword>
<keyword>cryptographic hash message authentication codes</keyword>
<keyword>encapsulate</keyword>
<keyword>encapsulating security payload</keyword>
<keyword>secure hash algorithm</keyword>
<keyword>security</keyword>
<abstract>
<t>
   This memo describes the use of the HMAC algorithm  in
   conjunction with the SHA-1 algorithm  as an
   authentication mechanism within the revised IPSEC Encapsulating
   Security Payload  and the revised IPSEC Authentication Header
   . HMAC with SHA-1 provides data origin authentication and
   integrity protection.
</t>
<t>
   Further information on the other components necessary for ESP and AH
   implementations is provided by .
</t></abstract></front>

<seriesInfo name='RFC' value='2404' />
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