AA - Glossary

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 |  <a id="alpha-d" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=D">D</a>  |  <a id="alpha-e" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=E">E</a>  |  <a id="alpha-f" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=F">F</a>  |  <a id="alpha-g" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=G">G</a>  |  <a id="alpha-h" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=H">H</a>  |  <a id="alpha-i" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=I">I</a>  |  <a id="alpha-j" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=J">J</a>  |  <a id="alpha-k" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=K">K</a>  |  <a id="alpha-l" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=L">L</a>  |  <a id="alpha-m" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=M">M</a>  |  <a id="alpha-n" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=N">N</a>  |  <a id="alpha-o" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=O">O</a>  |  <a id="alpha-p" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=P">P</a>  |  <a id="alpha-q" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=Q">Q</a>  |  <a id="alpha-r" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=R">R</a>  |  <a id="alpha-s" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=S">S</a>  |  <a id="alpha-t" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=T">T</a>  |  <a id="alpha-u" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=U">U</a>  |  <a id="alpha-v" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=V">V</a>  |  <a id="alpha-w" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=W">W</a>  |  <a id="alpha-x" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=X">X</a>  |  <a id="alpha-y" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=Y">Y</a>  |  <a id="alpha-z" href="/web/20211130134156/https://csrc.nist.gov/glossary?index=Z">Z</a> </div> <div> <h3 id="term-text">AA</h3> <div class="page-social-buttons" id=""page-social-buttons""> <a href="#" class="social-facebook"><i class="fa fa-facebook fa-fw" aria-hidden="true"></i></a> <a href="#" class="social-twitter"><i class="fa fa-twitter fa-fw" aria-hidden="true"></i></a> </div> <div class="row"> <div class="col-lg-8 col-sm-12"> <div class="glossary-definition"> <div> <strong>Abbreviation(s) and Synonym(s):</strong> <p class="indent-1"> <div> <div> <a href="/web/20211130134156/https://csrc.nist.gov/glossary/term/attribute_authority" id="term-abbr-link-0">Attribute Authority</a> <button class="btn btn-default" data-toggle="collapse" data-target="#term-abbr-sources-0" aria-controls="term-abbr-sources-0" aria-expanded="false" style="margin-left: 0.5rem; padding: 4px 6px;"> <span class="collapse-show">show sources</span> <span class="collapse-hide">hide sources</span> </button> <div role="tabpanel" id="term-abbr-sources-0" aria-expanded="false" class="collapse row" style="margin-left: 0.5rem;"> <a id="term-abbr-0-src-link-0" href="https://web.archive.org/web/20211130134156/https://doi.org/10.6028/NIST.SP.800-95" target="_blank">NIST SP 800-95</a> </div> </div> </div> </p> </div> <strong>Definition(s):</strong> <div class="indent-1"> <p> <span> <i class="fa fa-book" id="term-def-book-0"></i>  <span id="term-def-text-0">An entity, recognized by the Federal PKI Policy Authority or comparable Agency body as having the authority to verify the association of attributes to an identity.</span><br/> <strong>Source(s):</strong> <span id="term-def-sources-0" data-lowest-rank="7"> <br/> <span data-source-rank="7"> <a href="https://web.archive.org/web/20211130134156/https://doi.org/10.6028/NIST.SP.800-32" id="term-def-src-link-0-0">NIST SP 800-32</a> <span id="term-def-src-note-0-0"> [Withdrawn]</span> <span id="term-def-src-under-0-0"> under Attribute Authority </span> </span> <br/> </span> <br/> </span> </p> </div> </div> <p></p> </div> <div class="col-lg-4 hidden-xs hidden-sm hidden-md"> <div class="bs-callout bs-callout-danger" id="glossary-comments-callout"> <h4>Glossary Comments</h4> <p><strong>Comments about specific definitions</strong> should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.</p> <p><strong>Comments about the glossary's presentation and functionality</strong> should be sent to <a href="https://web.archive.org/web/20211130134156/mailto:secglossary@nist.gov" id="sec-glossary-email">secglossary@nist.gov</a>. </p> <p>See <a href="/web/20211130134156/https://csrc.nist.gov/publications/detail/nistir/7298/rev-3/final" id="nistir-7298-link">NISTIR 7298 Rev. 3</a> for additional details.</p> </div> </div> </div> </div> </div> </div> </div> <div id="footer-pusher"></div> </div> <footer id="footer"> <div class="container"> <div class="row"> <div class="col-sm-6"> <span class="hidden-xs"> <a href="https://web.archive.org/web/20211130134156/https://www.nist.gov/" title="National Institute of Standards and Technology" rel="home" target="_blank" class="footer-nist-logo" id="footer-nist-logo-link"> <img src="/web/20211130134156im_/https://csrc.nist.gov/CSRC/Media/images/logo_rev.png" alt="National Institute of Standards and Technology logo" id="footer-nist-logo"/> </a> </span> <div class="row footer-contact-container"> <div class="col-sm-12" id="footer-address"> <strong>HEADQUARTERS</strong><br> 100 Bureau Drive<br> Gaithersburg, MD 20899 </div> </div> </div> <div class="col-sm-6"> <ul class="social-list text-right" style="display: block;"> <li class="field-item service-twitter list-horiz"> <a href="https://web.archive.org/web/20211130134156/https://twitter.com/NISTCyber" class="social-btn social-btn--large extlink ext" id="footer-social-twitter-link"> <i class="fa fa-twitter fa-fw"><span class="element-invisible">twitter</span></i><span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> <li class="field-item service-facebook list-horiz"> <a href="https://web.archive.org/web/20211130134156/https://www.facebook.com/NIST" class="social-btn social-btn--large extlink ext" id="footer-social-facebook-link"> <i class="fa fa-facebook fa-fw"><span class="element-invisible">facebook</span></i><span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> <li class="field-item service-linkedin list-horiz"> <a href="https://web.archive.org/web/20211130134156/https://www.linkedin.com/company/nist" class="social-btn social-btn--large extlink ext" id="footer-social-linkedin-link"> <i class="fa fa-linkedin fa-fw"><span class="element-invisible">linkedin</span></i><span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> <li class="field-item service-instagram list-horiz"> <a href="https://web.archive.org/web/20211130134156/https://www.instagram.com/usnistgov/" class="social-btn social-btn--large extlink ext" id="footer-social-instagram-link"> <i class="fa fa-instagram fa-fw"><span class="element-invisible">instagram</span></i> <span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> <li class="field-item service-youtube list-horiz"> <a href="https://web.archive.org/web/20211130134156/https://www.youtube.com/user/USNISTGOV" class="social-btn social-btn--large extlink ext" id="footer-social-youtube-link"> <i class="fa fa-youtube fa-fw"><span class="element-invisible">youtube</span></i><span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> <li class="field-item service-rss list-horiz"> <a href="https://web.archive.org/web/20211130134156/https://www.nist.gov/news-events/nist-rss-feeds" class="social-btn social-btn--large extlink" id="footer-social-rss-link"> <i class="fa fa-rss fa-fw"><span class="element-invisible">rss</span></i> </a> </li> <li class="field-item service-govdelivery list-horiz last"> <a href="https://web.archive.org/web/20211130134156/https://public.govdelivery.com/accounts/USNIST/subscriber/new?qsp=USNIST_3" class="social-btn social-btn--large extlink ext" title="Subscribe to CSRC and publication updates, and other NIST cybersecurity news" id="footer-social-govdelivery-link"> <i class="fa fa-envelope fa-fw"><span class="element-invisible">govdelivery</span></i><span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> </ul> <p class="text-right"> Want updates about CSRC and our publications? 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