ISO/IEC 18033-1:2015 - Information technology — Security techniques — Encryption algorithms

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The nature of encryption is introduced, and certain general aspects of its use and properties are described. The criteria used to select the algorithms specified in subsequent parts of this International Standard are defined in Annexes A and B.</p></p> </div> </div> <div class="col-md-4 col-md-offset-1"> <div class="d-flex justify-content-between align-items-center"> <h3>General information</h3> </div> <ul class="refine"> <li> <div class="" id="publicationStatus"> <div class="entry-label">Status</div> : <span>Withdrawn</span> </div> <div class="" id="publicationDate"> <div class="entry-label">Publication date</div> : <span itemprop="releaseDate">2015-08</span> </div> <div class="" id="stageId"> <div class="entry-label">Stage</div> : Withdrawal of International Standard [<a class="page-scroll" href="#lifecycle">95.99</a>] </div> </li> <li> <div class=""> <div class="entry-label">Edition</div> : 2</div> <div class=""> <div class="entry-label">Number of pages</div> : 16</div> </li> <li> <div> <div class="entry-label">Technical Committee :</div> <span class="entry-name entry-block"> <a title="Information security, cybersecurity and privacy protection" href="/committee/45306.html">ISO/IEC JTC 1/SC 27</a></span> </div> <div> <div class="entry-label"><abbr class="popover-primary" tabindex="0" role="button" data-bs-toggle="popover" data-bs-custom-class="popover-light text-sm shadow-sm pt-2" data-bs-trigger="focus" data-bs-placement="bottom" data-bs-content="International Classification for Standards">ICS</abbr> :</div> <span class="entry-name entry-block"> <a title="IT Security" href="/ics/35.030.html"> 35.030</a>  </span> </div> </li> <li class="text-xs"> <i class="bi-rss-fill me-1 align-baseline text-sm" style="color: #F99000;"></i><a href="/contents/data/standard/05/45/54530.detail.rss">RSS</a> updates</li> </ul> </div> </div> </div> </section> </div> <section id="lifecycle" class="z-2"> <div class="container"> <div class="row"> <div class="col-md-12"> <h3>Life cycle</h3> <div class="lifecycle"> <ul class="steps"> <li class="time-step"> <h4 class="ms-sm-3 text-muted">Previously</h4> <div class="step step-dark"> <div class="step-item"> <div class="section-head">Withdrawn</div> <h5><a href="/standard/37970.html">ISO/IEC 18033-1:2005</a></h5> </div> </div> </li> <li class="time-step"> <h4 class="ms-sm-3 text-muted">Now</h4> <div class="step step-dark active"> <div class="section-head">Withdrawn</div> <h5>ISO/IEC 18033-1:2015</h5> <a data-bs-toggle="collapse" role="button" aria-expanded="false" href="#stages" class="dropdown-toggle current-stage text-sm collapsed">Stage: <strong>95.99</strong></a> </div> <ul class="stages collapse" id="stages"> <li class="dropdown alert-info"> <a href="javascript:void(0)" role="button" aria-haspopup="true" aria-expanded="false"> <span class="stage-code">00</span> <div class="stage-title">Preliminary</div> </a> </li> <li class="dropdown alert-info"> <a href="javascript:void(0)" class="dropdown-toggle" data-bs-display="static" data-bs-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"> <span class="stage-code">10</span> <div class="stage-title">Proposal</div> </a> <ul class="dropdown-menu"> <li > <a href="/stage-codes.html#10_99"> <span class="stage-code">10.99</span> <span class="stage-date">2011-04-15</span> <div class="stage-title"> New project approved</div> </a> </li></ul> </li> <li class="dropdown alert-info"> <a href="javascript:void(0)" class="dropdown-toggle" data-bs-display="static" data-bs-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"> <span class="stage-code">20</span> <div class="stage-title">Preparatory</div> </a> <ul class="dropdown-menu"> <li > <a href="/stage-codes.html#20_00"> <span class="stage-code">20.00</span> <span class="stage-date">2011-12-22</span> <div class="stage-title"> New project registered in TC/SC work programme</div> </a> </li><li > <a href="/stage-codes.html#20_20"> <span class="stage-code">20.20</span> <span class="stage-date">2011-12-22</span> <div class="stage-title"> Working draft (WD) study initiated</div> </a> </li><li > <a href="/stage-codes.html#20_60"> <span class="stage-code">20.60</span> <span class="stage-date">2012-03-23</span> <div class="stage-title"> Close of comment period</div> </a> </li><li > <a href="/stage-codes.html#20_20"> <span class="stage-code">20.20</span> <span class="stage-date">2012-06-27</span> <div class="stage-title"> Working draft (WD) study initiated</div> </a> </li><li > <a href="/stage-codes.html#20_60"> <span class="stage-code">20.60</span> <span class="stage-date">2012-09-17</span> <div class="stage-title"> Close of comment period</div> </a> </li><li > <a href="/stage-codes.html#20_20"> <span class="stage-code">20.20</span> <span class="stage-date">2013-01-08</span> <div class="stage-title"> Working draft (WD) study initiated</div> </a> </li><li > <a href="/stage-codes.html#20_60"> <span class="stage-code">20.60</span> <span class="stage-date">2013-03-15</span> <div class="stage-title"> Close of comment period</div> </a> </li><li > <a href="/stage-codes.html#20_99"> <span class="stage-code">20.99</span> <span class="stage-date">2013-09-16</span> <div class="stage-title"> WD approved for registration as CD</div> </a> </li></ul> </li> <li class="dropdown alert-info"> <a href="javascript:void(0)" class="dropdown-toggle" data-bs-display="static" data-bs-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"> <span class="stage-code">30</span> <div class="stage-title">Committee</div> </a> <ul class="dropdown-menu"> <li > <a href="/stage-codes.html#30_00"> <span class="stage-code">30.00</span> <span class="stage-date">2013-09-16</span> <div class="stage-title"> Committee draft (CD) registered</div> </a> </li><li > <a href="/stage-codes.html#30_20"> <span class="stage-code">30.20</span> <span class="stage-date">2013-09-16</span> <div class="stage-title"> CD consultation initiated</div> </a> </li><li > <a href="/stage-codes.html#30_60"> <span class="stage-code">30.60</span> <span class="stage-date">2013-10-14</span> <div class="stage-title"> Close of comment period</div> </a> </li><li > <a href="/stage-codes.html#30_99"> <span class="stage-code">30.99</span> <span class="stage-date">2013-12-11</span> <div class="stage-title"> CD approved for registration as DIS</div> </a> </li></ul> </li> <li class="dropdown alert-info"> <a href="javascript:void(0)" class="dropdown-toggle" data-bs-display="static" data-bs-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"> <span class="stage-code">40</span> <div class="stage-title">Enquiry</div> </a> <ul class="dropdown-menu"> <li > <a href="/stage-codes.html#40_00"> <span class="stage-code">40.00</span> <span class="stage-date">2013-12-23</span> <div class="stage-title"> DIS registered</div> </a> </li><li > <a href="/stage-codes.html#40_20"> <span class="stage-code">40.20</span> <span class="stage-date">2014-02-27</span> <div class="stage-title"> DIS ballot initiated: 12 weeks</div> </a> </li><li > <a href="/stage-codes.html#40_60"> <span class="stage-code">40.60</span> <span class="stage-date">2014-05-29</span> <div class="stage-title"> Close of voting</div> </a> </li><li > <a href="/stage-codes.html#40_99"> <span class="stage-code">40.99</span> <span class="stage-date">2015-04-08</span> <div class="stage-title"> Full report circulated: DIS approved for registration as FDIS</div> </a> </li></ul> </li> <li class="dropdown alert-info"> <a href="javascript:void(0)" class="dropdown-toggle" data-bs-display="static" data-bs-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"> <span class="stage-code">50</span> <div class="stage-title">Approval</div> </a> <ul class="dropdown-menu"> <li > <a href="/stage-codes.html#50_00"> <span class="stage-code">50.00</span> <span class="stage-date">2015-04-10</span> <div class="stage-title"> Final text received or FDIS registered for formal approval</div> </a> </li><li > <a href="/stage-codes.html#50_20"> <span class="stage-code">50.20</span> <span class="stage-date">2015-05-26</span> <div class="stage-title"> Proof sent to secretariat or FDIS ballot initiated: 8 weeks</div> </a> </li><li > <a href="/stage-codes.html#50_60"> <span class="stage-code">50.60</span> <span class="stage-date">2015-06-18</span> <div class="stage-title"> Close of voting. Proof returned by secretariat</div> </a> </li></ul> </li> <li class="dropdown alert-success"> <a href="javascript:void(0)" class="dropdown-toggle" data-bs-display="static" data-bs-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"> <span class="stage-code">60</span> <div class="stage-title">Publication</div> </a> <ul class="dropdown-menu"> <li > <a href="/stage-codes.html#60_00"> <span class="stage-code">60.00</span> <span class="stage-date">2015-06-18</span> <div class="stage-title"> International Standard under publication</div> </a> </li><li > <a href="/stage-codes.html#60_60"> <span class="stage-code">60.60</span> <span class="stage-date">2015-07-24</span> <div class="stage-title"> International Standard published</div> </a> </li></ul> </li> <li class="dropdown alert-success"> <a href="javascript:void(0)" class="dropdown-toggle" data-bs-display="static" data-bs-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"> <span class="stage-code">90</span> <div class="stage-title">Review</div> </a> <ul class="dropdown-menu"> <li > <a href="/stage-codes.html#90_92"> <span class="stage-code">90.92</span> <span class="stage-date">2018-06-14</span> <div class="stage-title"> International Standard to be revised</div> </a> </li></ul> </li> <li class="dropdown bg-dark active"> <a href="javascript:void(0)" class="dropdown-toggle" data-bs-display="static" data-bs-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"> <span class="stage-code">95</span> <div class="stage-title">Withdrawal</div> </a> <ul class="dropdown-menu"> <li class="active"> <a href="/stage-codes.html#95_99"> <span class="stage-code">95.99</span> <span class="stage-date">2021-09-10</span> <div class="stage-title"> Withdrawal of International Standard</div> </a> </li></ul> </li> </ul> </li> <li class="time-step"> <h4 class="ms-sm-3 text-muted">Revised by</h4> <div class="step step-success"> <div class="step-item"> <div class="section-head">Published</div> <h5><a href="/standard/76156.html">ISO/IEC 18033-1:2021</a></h5> </div></div></li> </ul> </div> </div> </div> </div> </section> <section class="bg-lightgray" id="contact"> <div class="container"> <div class="row"> <div class="col-md-4"> <h4>Got a question?</h4> <p>Check out our <a href="/contact-iso.html" title="help-support">Help and Support</a></p></div> <div class="col-md-4"> </div> <div class="col-md-4"> </div> </div> </div> </section><div class="nav-breadcrumb print-footer bg-black"> <div class="container"> <div class="row"> <div class="col-sm-10 small">  <ol class="breadcrumb"> <li class="breadcrumb-item"><a href="/home.html" title="Home page"><i class="bi-house" aria-hidden="true"></i></a></li> <li class="breadcrumb-item"> <a href="/store.html">Store</a> </li> <li class="breadcrumb-item"> <a href="/standards-catalogue/browse-by-ics.html" >Standards catalogue</a> </li> <li class="breadcrumb-item"> <a href="/standards-catalogue/browse-by-ics.html">ICS</a> </li> <li class="breadcrumb-item"><a href="/en/ics/35.html">35</a></li> <li class="breadcrumb-item"><a href="/en/ics/35.030.html">35.030</a></li><li class="breadcrumb-item">ISO/IEC 18033-1:2015</li></ol></div> <div class="col-sm-2 hidden-print text-end small mt-3 mt-sm-0"> <a role="button" class="dropdown-toggle text-white collapsed" data-bs-toggle="collapse" href="#collapseSitemap" target="_self" aria-expanded="false" aria-controls="collapseSitemap">Sitemap</a> </div> </div> <div class="collapse border-top" id="collapseSitemap"> <div class="row">  <nav role="navigation" aria-label="Sitemap" class="sitemap-footer clearfix text-xs" id="nav-sitemap"><ul role='menubar' class='list-inline-6 clearfix nav-level1' ><li role='menuitem' class=' hasChildren firstInLevel' ><a class='nav-link ' title="Covering almost every product, process or service imaginable, ISO makes standards used everywhere." href='/standards.html'>Standards</a><ul role='menubar' class='list-unstyled nav-level2' ><li role='menuitem' class=' noChildren firstInLevel' ><a class='nav-link ' title="Whether you run a business, work for a company or government, or you are a consumer looking for goods and services that meet customer expectations: Find out what standards can do for you." href='/benefits-of-standards.html'>Benefits</a></li><li role='menuitem' class=' noChildren' ><a class='nav-link ' title="Here you can discover some of the best-known and most widely-used standards, as well as those that address recently emerged challenges affecting us all. 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ISO/IEC 18033-1:2015 - Information technology — Security techniques — Encryption algorithms — Part 1: General