Information Technology Laboratory

<!DOCTYPE html> <html lang="en" dir="ltr" prefix="content: http://purl.org/rss/1.0/modules/content/ dc: http://purl.org/dc/terms/ foaf: http://xmlns.com/foaf/0.1/ og: http://ogp.me/ns# rdfs: http://www.w3.org/2000/01/rdf-schema# schema: http://schema.org/ sioc: http://rdfs.org/sioc/ns# sioct: http://rdfs.org/sioc/types# skos: http://www.w3.org/2004/02/skos/core# xsd: http://www.w3.org/2001/XMLSchema# "> <head> <meta charset="utf-8" /><script type="text/javascript">(window.NREUM||(NREUM={})).init={ajax:{deny_list:["bam.nr-data.net"]}};(window.NREUM||(NREUM={})).loader_config={licenseKey:"37b7ccb661",applicationID:"1089704227"};;/*! For license information please see nr-loader-rum-1.274.0.min.js.LICENSE.txt */ (()=>{var e,t,r={8122:(e,t,r)=>{"use strict";r.d(t,{a:()=>i});var n=r(944);function i(e,t){try{if(!e||"object"!=typeof e)return(0,n.R)(3);if(!t||"object"!=typeof t)return(0,n.R)(4);const r=Object.create(Object.getPrototypeOf(t),Object.getOwnPropertyDescriptors(t)),o=0===Object.keys(r).length?e:r;for(let a in o)if(void 0!==e[a])try{if(null===e[a]){r[a]=null;continue}Array.isArray(e[a])&&Array.isArray(t[a])?r[a]=Array.from(new Set([...e[a],...t[a]])):"object"==typeof e[a]&&"object"==typeof t[a]?r[a]=i(e[a],t[a]):r[a]=e[a]}catch(e){(0,n.R)(1,e)}return r}catch(e){(0,n.R)(2,e)}}},2555:(e,t,r)=>{"use strict";r.d(t,{Vp:()=>c,fn:()=>s,x1:()=>u});var n=r(384),i=r(8122);const o={beacon:n.NT.beacon,errorBeacon:n.NT.errorBeacon,licenseKey:void 0,applicationID:void 0,sa:void 0,queueTime:void 0,applicationTime:void 0,ttGuid:void 0,user:void 0,account:void 0,product:void 0,extra:void 0,jsAttributes:{},userAttributes:void 0,atts:void 0,transactionName:void 0,tNamePlain:void 0},a={};function s(e){try{const t=c(e);return!!t.licenseKey&&!!t.errorBeacon&&!!t.applicationID}catch(e){return!1}}function c(e){if(!e)throw new Error("All info objects require an agent identifier!");if(!a[e])throw new Error("Info for ".concat(e," was never set"));return a[e]}function u(e,t){if(!e)throw new Error("All info objects require an agent identifier!");a[e]=(0,i.a)(t,o);const r=(0,n.nY)(e);r&&(r.info=a[e])}},9417:(e,t,r)=>{"use strict";r.d(t,{D0:()=>g,gD:()=>h,xN:()=>p});var n=r(993);const i=e=>{if(!e||"string"!=typeof e)return!1;try{document.createDocumentFragment().querySelector(e)}catch{return!1}return!0};var o=r(2614),a=r(944),s=r(384),c=r(8122);const u="[data-nr-mask]",d=()=>{const e={mask_selector:"*",block_selector:"[data-nr-block]",mask_input_options:{color:!1,date:!1,"datetime-local":!1,email:!1,month:!1,number:!1,range:!1,search:!1,tel:!1,text:!1,time:!1,url:!1,week:!1,textarea:!1,select:!1,password:!0}};return{ajax:{deny_list:void 0,block_internal:!0,enabled:!0,harvestTimeSeconds:10,autoStart:!0},distributed_tracing:{enabled:void 0,exclude_newrelic_header:void 0,cors_use_newrelic_header:void 0,cors_use_tracecontext_headers:void 0,allowed_origins:void 0},feature_flags:[],generic_events:{enabled:!0,harvestTimeSeconds:30,autoStart:!0},harvest:{tooManyRequestsDelay:60},jserrors:{enabled:!0,harvestTimeSeconds:10,autoStart:!0},logging:{enabled:!0,harvestTimeSeconds:10,autoStart:!0,level:n.p_.INFO},metrics:{enabled:!0,autoStart:!0},obfuscate:void 0,page_action:{enabled:!0},page_view_event:{enabled:!0,autoStart:!0},page_view_timing:{enabled:!0,harvestTimeSeconds:30,autoStart:!0},performance:{capture_marks:!1,capture_measures:!1},privacy:{cookies_enabled:!0},proxy:{assets:void 0,beacon:void 0},session:{expiresMs:o.wk,inactiveMs:o.BB},session_replay:{autoStart:!0,enabled:!1,harvestTimeSeconds:60,preload:!1,sampling_rate:10,error_sampling_rate:100,collect_fonts:!1,inline_images:!1,fix_stylesheets:!0,mask_all_inputs:!0,get mask_text_selector(){return e.mask_selector},set mask_text_selector(t){i(t)?e.mask_selector="".concat(t,",").concat(u):""===t||null===t?e.mask_selector=u:(0,a.R)(5,t)},get block_class(){return"nr-block"},get ignore_class(){return"nr-ignore"},get mask_text_class(){return"nr-mask"},get block_selector(){return e.block_selector},set block_selector(t){i(t)?e.block_selector+=",".concat(t):""!==t&&(0,a.R)(6,t)},get mask_input_options(){return e.mask_input_options},set mask_input_options(t){t&&"object"==typeof t?e.mask_input_options={...t,password:!0}:(0,a.R)(7,t)}},session_trace:{enabled:!0,harvestTimeSeconds:10,autoStart:!0},soft_navigations:{enabled:!0,harvestTimeSeconds:10,autoStart:!0},spa:{enabled:!0,harvestTimeSeconds:10,autoStart:!0},ssl:void 0,user_actions:{enabled:!0}}},l={},f="All configuration objects require an agent identifier!";function g(e){if(!e)throw new Error(f);if(!l[e])throw new Error("Configuration for ".concat(e," was never set"));return l[e]}function p(e,t){if(!e)throw new Error(f);l[e]=(0,c.a)(t,d());const r=(0,s.nY)(e);r&&(r.init=l[e])}function h(e,t){if(!e)throw new Error(f);var r=g(e);if(r){for(var n=t.split("."),i=0;i<n.length-1;i++)if("object"!=typeof(r=r[n[i]]))return;r=r[n[n.length-1]]}return r}},3371:(e,t,r)=>{"use strict";r.d(t,{V:()=>f,f:()=>l});var n=r(8122),i=r(384),o=r(6154),a=r(9324);let s=0;const c={buildEnv:a.F3,distMethod:a.Xs,version:a.xv,originTime:o.WN},u={customTransaction:void 0,disabled:!1,isolatedBacklog:!1,loaderType:void 0,maxBytes:3e4,onerror:void 0,ptid:void 0,releaseIds:{},appMetadata:{},session:void 0,denyList:void 0,timeKeeper:void 0,obfuscator:void 0},d={};function l(e){if(!e)throw new Error("All runtime objects require an agent identifier!");if(!d[e])throw new Error("Runtime for ".concat(e," was never set"));return d[e]}function f(e,t){if(!e)throw new Error("All runtime objects require an agent identifier!");d[e]={...(0,n.a)(t,u),...c},Object.hasOwnProperty.call(d[e],"harvestCount")||Object.defineProperty(d[e],"harvestCount",{get:()=>++s});const r=(0,i.nY)(e);r&&(r.runtime=d[e])}},9324:(e,t,r)=>{"use strict";r.d(t,{F3:()=>i,Xs:()=>o,xv:()=>n});const n="1.274.0",i="PROD",o="CDN"},6154:(e,t,r)=>{"use strict";r.d(t,{OF:()=>c,RI:()=>i,WN:()=>d,bv:()=>o,gm:()=>a,mw:()=>s,sb:()=>u});var n=r(1863);const i="undefined"!=typeof window&&!!window.document,o="undefined"!=typeof WorkerGlobalScope&&("undefined"!=typeof self&&self instanceof WorkerGlobalScope&&self.navigator instanceof WorkerNavigator||"undefined"!=typeof globalThis&&globalThis instanceof WorkerGlobalScope&&globalThis.navigator instanceof WorkerNavigator),a=i?window:"undefined"!=typeof WorkerGlobalScope&&("undefined"!=typeof self&&self instanceof WorkerGlobalScope&&self||"undefined"!=typeof globalThis&&globalThis instanceof WorkerGlobalScope&&globalThis),s=Boolean("hidden"===a?.document?.visibilityState),c=/iPad|iPhone|iPod/.test(a.navigator?.userAgent),u=c&&"undefined"==typeof SharedWorker,d=((()=>{const e=a.navigator?.userAgent?.match(/Firefox[/\s](\d+\.\d+)/);Array.isArray(e)&&e.length>=2&&e[1]})(),Date.now()-(0,n.t)())},1687:(e,t,r)=>{"use strict";r.d(t,{Ak:()=>c,Ze:()=>l,x3:()=>u});var n=r(7836),i=r(3606),o=r(860),a=r(2646);const s={};function c(e,t){const r={staged:!1,priority:o.P3[t]||0};d(e),s[e].get(t)||s[e].set(t,r)}function u(e,t){e&&s[e]&&(s[e].get(t)&&s[e].delete(t),g(e,t,!1),s[e].size&&f(e))}function d(e){if(!e)throw new Error("agentIdentifier required");s[e]||(s[e]=new Map)}function l(e="",t="feature",r=!1){if(d(e),!e||!s[e].get(t)||r)return g(e,t);s[e].get(t).staged=!0,f(e)}function f(e){const t=Array.from(s[e]);t.every((([e,t])=>t.staged))&&(t.sort(((e,t)=>e[1].priority-t[1].priority)),t.forEach((([t])=>{s[e].delete(t),g(e,t)})))}function g(e,t,r=!0){const o=e?n.ee.get(e):n.ee,s=i.i.handlers;if(!o.aborted&&o.backlog&&s){if(r){const e=o.backlog[t],r=s[t];if(r){for(let t=0;e&&t<e.length;++t)p(e[t],r);Object.entries(r).forEach((([e,t])=>{Object.values(t||{}).forEach((t=>{t[0]?.on&&t[0]?.context()instanceof a.y&&t[0].on(e,t[1])}))}))}}o.isolatedBacklog||delete s[t],o.backlog[t]=null,o.emit("drain-"+t,[])}}function p(e,t){var r=e[1];Object.values(t[r]||{}).forEach((t=>{var r=e[0];if(t[0]===r){var n=t[1],i=e[3],o=e[2];n.apply(i,o)}}))}},7836:(e,t,r)=>{"use strict";r.d(t,{P:()=>c,ee:()=>u});var n=r(384),i=r(8990),o=r(3371),a=r(2646),s=r(5607);const c="nr@context:".concat(s.W),u=function e(t,r){var n={},s={},d={},l=!1;try{l=16===r.length&&(0,o.f)(r).isolatedBacklog}catch(e){}var f={on:p,addEventListener:p,removeEventListener:function(e,t){var r=n[e];if(!r)return;for(var i=0;i<r.length;i++)r[i]===t&&r.splice(i,1)},emit:function(e,r,n,i,o){!1!==o&&(o=!0);if(u.aborted&&!i)return;t&&o&&t.emit(e,r,n);for(var a=g(n),c=h(e),d=c.length,l=0;l<d;l++)c[l].apply(a,r);var p=m()[s[e]];p&&p.push([f,e,r,a]);return a},get:v,listeners:h,context:g,buffer:function(e,t){const r=m();if(t=t||"feature",f.aborted)return;Object.entries(e||{}).forEach((([e,n])=>{s[n]=t,t in r||(r[t]=[])}))},abort:function(){f._aborted=!0,Object.keys(f.backlog).forEach((e=>{delete f.backlog[e]}))},isBuffering:function(e){return!!m()[s[e]]},debugId:r,backlog:l?{}:t&&"object"==typeof t.backlog?t.backlog:{},isolatedBacklog:l};return Object.defineProperty(f,"aborted",{get:()=>{let e=f._aborted||!1;return e||(t&&(e=t.aborted),e)}}),f;function g(e){return e&&e instanceof a.y?e:e?(0,i.I)(e,c,(()=>new a.y(c))):new a.y(c)}function p(e,t){n[e]=h(e).concat(t)}function h(e){return n[e]||[]}function v(t){return d[t]=d[t]||e(f,t)}function m(){return f.backlog}}(void 0,"globalEE"),d=(0,n.Zm)();d.ee||(d.ee=u)},2646:(e,t,r)=>{"use strict";r.d(t,{y:()=>n});class n{constructor(e){this.contextId=e}}},9908:(e,t,r)=>{"use strict";r.d(t,{d:()=>n,p:()=>i});var n=r(7836).ee.get("handle");function i(e,t,r,i,o){o?(o.buffer([e],i),o.emit(e,t,r)):(n.buffer([e],i),n.emit(e,t,r))}},3606:(e,t,r)=>{"use strict";r.d(t,{i:()=>o});var n=r(9908);o.on=a;var i=o.handlers={};function o(e,t,r,o){a(o||n.d,i,e,t,r)}function a(e,t,r,i,o){o||(o="feature"),e||(e=n.d);var a=t[o]=t[o]||{};(a[r]=a[r]||[]).push([e,i])}},3878:(e,t,r)=>{"use strict";function n(e,t){return{capture:e,passive:!1,signal:t}}function i(e,t,r=!1,i){window.addEventListener(e,t,n(r,i))}function o(e,t,r=!1,i){document.addEventListener(e,t,n(r,i))}r.d(t,{DD:()=>o,jT:()=>n,sp:()=>i})},5607:(e,t,r)=>{"use strict";r.d(t,{W:()=>n});const n=(0,r(9566).bz)()},9566:(e,t,r)=>{"use strict";r.d(t,{LA:()=>s,bz:()=>a});var n=r(6154);const i="xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx";function o(e,t){return e?15&e[t]:16*Math.random()|0}function a(){const e=n.gm?.crypto||n.gm?.msCrypto;let t,r=0;return e&&e.getRandomValues&&(t=e.getRandomValues(new Uint8Array(30))),i.split("").map((e=>"x"===e?o(t,r++).toString(16):"y"===e?(3&o()|8).toString(16):e)).join("")}function s(e){const t=n.gm?.crypto||n.gm?.msCrypto;let r,i=0;t&&t.getRandomValues&&(r=t.getRandomValues(new Uint8Array(e)));const a=[];for(var s=0;s<e;s++)a.push(o(r,i++).toString(16));return a.join("")}},2614:(e,t,r)=>{"use strict";r.d(t,{BB:()=>a,H3:()=>n,g:()=>u,iL:()=>c,tS:()=>s,uh:()=>i,wk:()=>o});const n="NRBA",i="SESSION",o=144e5,a=18e5,s={STARTED:"session-started",PAUSE:"session-pause",RESET:"session-reset",RESUME:"session-resume",UPDATE:"session-update"},c={SAME_TAB:"same-tab",CROSS_TAB:"cross-tab"},u={OFF:0,FULL:1,ERROR:2}},1863:(e,t,r)=>{"use strict";function n(){return Math.floor(performance.now())}r.d(t,{t:()=>n})},944:(e,t,r)=>{"use strict";function n(e,t){"function"==typeof console.debug&&console.debug("New Relic Warning: https://github.com/newrelic/newrelic-browser-agent/blob/main/docs/warning-codes.md#".concat(e),t)}r.d(t,{R:()=>n})},5284:(e,t,r)=>{"use strict";r.d(t,{t:()=>c,B:()=>s});var n=r(7836),i=r(6154);const o="newrelic";const a=new Set,s={};function c(e,t){const r=n.ee.get(t);s[t]??={},e&&"object"==typeof e&&(a.has(t)||(r.emit("rumresp",[e]),s[t]=e,a.add(t),function(e={}){try{i.gm.dispatchEvent(new CustomEvent(o,{detail:e}))}catch(e){}}({loaded:!0})))}},8990:(e,t,r)=>{"use strict";r.d(t,{I:()=>i});var n=Object.prototype.hasOwnProperty;function i(e,t,r){if(n.call(e,t))return e[t];var i=r();if(Object.defineProperty&&Object.keys)try{return Object.defineProperty(e,t,{value:i,writable:!0,enumerable:!1}),i}catch(e){}return e[t]=i,i}},6389:(e,t,r)=>{"use strict";function n(e,t=500,r={}){const n=r?.leading||!1;let i;return(...r)=>{n&&void 0===i&&(e.apply(this,r),i=setTimeout((()=>{i=clearTimeout(i)}),t)),n||(clearTimeout(i),i=setTimeout((()=>{e.apply(this,r)}),t))}}function i(e){let t=!1;return(...r)=>{t||(t=!0,e.apply(this,r))}}r.d(t,{J:()=>i,s:()=>n})},5289:(e,t,r)=>{"use strict";r.d(t,{GG:()=>o,sB:()=>a});var n=r(3878);function i(){return"undefined"==typeof document||"complete"===document.readyState}function o(e,t){if(i())return e();(0,n.sp)("load",e,t)}function a(e){if(i())return e();(0,n.DD)("DOMContentLoaded",e)}},384:(e,t,r)=>{"use strict";r.d(t,{NT:()=>o,US:()=>d,Zm:()=>a,bQ:()=>c,dV:()=>s,nY:()=>u,pV:()=>l});var n=r(6154),i=r(1863);const o={beacon:"bam.nr-data.net",errorBeacon:"bam.nr-data.net"};function a(){return n.gm.NREUM||(n.gm.NREUM={}),void 0===n.gm.newrelic&&(n.gm.newrelic=n.gm.NREUM),n.gm.NREUM}function s(){let e=a();return e.o||(e.o={ST:n.gm.setTimeout,SI:n.gm.setImmediate,CT:n.gm.clearTimeout,XHR:n.gm.XMLHttpRequest,REQ:n.gm.Request,EV:n.gm.Event,PR:n.gm.Promise,MO:n.gm.MutationObserver,FETCH:n.gm.fetch,WS:n.gm.WebSocket}),e}function c(e,t){let r=a();r.initializedAgents??={},t.initializedAt={ms:(0,i.t)(),date:new Date},r.initializedAgents[e]=t}function u(e){let t=a();return t.initializedAgents?.[e]}function d(e,t){a()[e]=t}function l(){return function(){let e=a();const t=e.info||{};e.info={beacon:o.beacon,errorBeacon:o.errorBeacon,...t}}(),function(){let e=a();const t=e.init||{};e.init={...t}}(),s(),function(){let e=a();const t=e.loader_config||{};e.loader_config={...t}}(),a()}},2843:(e,t,r)=>{"use strict";r.d(t,{u:()=>i});var n=r(3878);function i(e,t=!1,r,i){(0,n.DD)("visibilitychange",(function(){if(t)return void("hidden"===document.visibilityState&&e());e(document.visibilityState)}),r,i)}},3434:(e,t,r)=>{"use strict";r.d(t,{YM:()=>c});var n=r(7836),i=r(5607);const o="nr@original:".concat(i.W);var a=Object.prototype.hasOwnProperty,s=!1;function c(e,t){return e||(e=n.ee),r.inPlace=function(e,t,n,i,o){n||(n="");const a="-"===n.charAt(0);for(let s=0;s<t.length;s++){const c=t[s],u=e[c];d(u)||(e[c]=r(u,a?c+n:n,i,c,o))}},r.flag=o,r;function r(t,r,n,s,c){return d(t)?t:(r||(r=""),nrWrapper[o]=t,function(e,t,r){if(Object.defineProperty&&Object.keys)try{return Object.keys(e).forEach((function(r){Object.defineProperty(t,r,{get:function(){return e[r]},set:function(t){return e[r]=t,t}})})),t}catch(e){u([e],r)}for(var n in e)a.call(e,n)&&(t[n]=e[n])}(t,nrWrapper,e),nrWrapper);function nrWrapper(){var o,a,d,l;try{a=this,o=[...arguments],d="function"==typeof n?n(o,a):n||{}}catch(t){u([t,"",[o,a,s],d],e)}i(r+"start",[o,a,s],d,c);try{return l=t.apply(a,o)}catch(e){throw i(r+"err",[o,a,e],d,c),e}finally{i(r+"end",[o,a,l],d,c)}}}function i(r,n,i,o){if(!s||t){var a=s;s=!0;try{e.emit(r,n,i,t,o)}catch(t){u([t,r,n,i],e)}s=a}}}function u(e,t){t||(t=n.ee);try{t.emit("internal-error",e)}catch(e){}}function d(e){return!(e&&"function"==typeof e&&e.apply&&!e[o])}},993:(e,t,r)=>{"use strict";r.d(t,{ET:()=>o,p_:()=>i});var n=r(860);const i={ERROR:"ERROR",WARN:"WARN",INFO:"INFO",DEBUG:"DEBUG",TRACE:"TRACE"},o="log";n.K7.logging},3969:(e,t,r)=>{"use strict";r.d(t,{TZ:()=>n,XG:()=>s,rs:()=>i,xV:()=>a,z_:()=>o});const n=r(860).K7.metrics,i="sm",o="cm",a="storeSupportabilityMetrics",s="storeEventMetrics"},6630:(e,t,r)=>{"use strict";r.d(t,{T:()=>n});const n=r(860).K7.pageViewEvent},782:(e,t,r)=>{"use strict";r.d(t,{T:()=>n});const n=r(860).K7.pageViewTiming},6344:(e,t,r)=>{"use strict";r.d(t,{G4:()=>i});var n=r(2614);r(860).K7.sessionReplay;const i={RECORD:"recordReplay",PAUSE:"pauseReplay",REPLAY_RUNNING:"replayRunning",ERROR_DURING_REPLAY:"errorDuringReplay"};n.g.ERROR,n.g.FULL,n.g.OFF},4234:(e,t,r)=>{"use strict";r.d(t,{W:()=>o});var n=r(7836),i=r(1687);class o{constructor(e,t){this.agentIdentifier=e,this.ee=n.ee.get(e),this.featureName=t,this.blocked=!1}deregisterDrain(){(0,i.x3)(this.agentIdentifier,this.featureName)}}},7603:(e,t,r)=>{"use strict";r.d(t,{j:()=>P});var n=r(860),i=r(2555),o=r(3371),a=r(9908),s=r(7836),c=r(1687),u=r(5289),d=r(6154),l=r(944),f=r(3969),g=r(384),p=r(6344);const h=["setErrorHandler","finished","addToTrace","addRelease","addPageAction","setCurrentRouteName","setPageViewName","setCustomAttribute","interaction","noticeError","setUserId","setApplicationVersion","start",p.G4.RECORD,p.G4.PAUSE,"log","wrapLogger"],v=["setErrorHandler","finished","addToTrace","addRelease"];var m=r(1863),b=r(2614),y=r(993);var w=r(2646),A=r(3434);function R(e,t,r,n){if("object"!=typeof t||!t||"string"!=typeof r||!r||"function"!=typeof t[r])return(0,l.R)(29);const i=function(e){return(e||s.ee).get("logger")}(e),o=(0,A.YM)(i),a=new w.y(s.P);return a.level=n.level,a.customAttributes=n.customAttributes,o.inPlace(t,[r],"wrap-logger-",a),i}function E(){const e=(0,g.pV)();h.forEach((t=>{e[t]=(...r)=>function(t,...r){let n=[];return Object.values(e.initializedAgents).forEach((e=>{e&&e.api?e.exposed&&e.api[t]&&n.push(e.api[t](...r)):(0,l.R)(38,t)})),n.length>1?n:n[0]}(t,...r)}))}const x={};function _(e,t,g=!1){t||(0,c.Ak)(e,"api");const h={};var w=s.ee.get(e),A=w.get("tracer");x[e]=b.g.OFF,w.on(p.G4.REPLAY_RUNNING,(t=>{x[e]=t}));var E="api-",_=E+"ixn-";function N(t,r,n,o){const a=(0,i.Vp)(e);return null===r?delete a.jsAttributes[t]:(0,i.x1)(e,{...a,jsAttributes:{...a.jsAttributes,[t]:r}}),j(E,n,!0,o||null===r?"session":void 0)(t,r)}function T(){}h.log=function(e,{customAttributes:t={},level:r=y.p_.INFO}={}){(0,a.p)(f.xV,["API/log/called"],void 0,n.K7.metrics,w),function(e,t,r={},i=y.p_.INFO){(0,a.p)(f.xV,["API/logging/".concat(i.toLowerCase(),"/called")],void 0,n.K7.metrics,e),(0,a.p)(y.ET,[(0,m.t)(),t,r,i],void 0,n.K7.logging,e)}(w,e,t,r)},h.wrapLogger=(e,t,{customAttributes:r={},level:i=y.p_.INFO}={})=>{(0,a.p)(f.xV,["API/wrapLogger/called"],void 0,n.K7.metrics,w),R(w,e,t,{customAttributes:r,level:i})},v.forEach((e=>{h[e]=j(E,e,!0,"api")})),h.addPageAction=j(E,"addPageAction",!0,n.K7.genericEvents),h.setPageViewName=function(t,r){if("string"==typeof t)return"/"!==t.charAt(0)&&(t="/"+t),(0,o.f)(e).customTransaction=(r||"http://custom.transaction")+t,j(E,"setPageViewName",!0)()},h.setCustomAttribute=function(e,t,r=!1){if("string"==typeof e){if(["string","number","boolean"].includes(typeof t)||null===t)return N(e,t,"setCustomAttribute",r);(0,l.R)(40,typeof t)}else(0,l.R)(39,typeof e)},h.setUserId=function(e){if("string"==typeof e||null===e)return N("enduser.id",e,"setUserId",!0);(0,l.R)(41,typeof e)},h.setApplicationVersion=function(e){if("string"==typeof e||null===e)return N("application.version",e,"setApplicationVersion",!1);(0,l.R)(42,typeof e)},h.start=()=>{try{(0,a.p)(f.xV,["API/start/called"],void 0,n.K7.metrics,w),w.emit("manual-start-all")}catch(e){(0,l.R)(23,e)}},h[p.G4.RECORD]=function(){(0,a.p)(f.xV,["API/recordReplay/called"],void 0,n.K7.metrics,w),(0,a.p)(p.G4.RECORD,[],void 0,n.K7.sessionReplay,w)},h[p.G4.PAUSE]=function(){(0,a.p)(f.xV,["API/pauseReplay/called"],void 0,n.K7.metrics,w),(0,a.p)(p.G4.PAUSE,[],void 0,n.K7.sessionReplay,w)},h.interaction=function(e){return(new T).get("object"==typeof e?e:{})};const S=T.prototype={createTracer:function(e,t){var r={},i=this,o="function"==typeof t;return(0,a.p)(f.xV,["API/createTracer/called"],void 0,n.K7.metrics,w),g||(0,a.p)(_+"tracer",[(0,m.t)(),e,r],i,n.K7.spa,w),function(){if(A.emit((o?"":"no-")+"fn-start",[(0,m.t)(),i,o],r),o)try{return t.apply(this,arguments)}catch(e){const t="string"==typeof e?new Error(e):e;throw A.emit("fn-err",[arguments,this,t],r),t}finally{A.emit("fn-end",[(0,m.t)()],r)}}}};function j(e,t,r,i){return function(){return(0,a.p)(f.xV,["API/"+t+"/called"],void 0,n.K7.metrics,w),i&&(0,a.p)(e+t,[(0,m.t)(),...arguments],r?null:this,i,w),r?void 0:this}}function k(){r.e(296).then(r.bind(r,8778)).then((({setAPI:t})=>{t(e),(0,c.Ze)(e,"api")})).catch((e=>{(0,l.R)(27,e),w.abort()}))}return["actionText","setName","setAttribute","save","ignore","onEnd","getContext","end","get"].forEach((e=>{S[e]=j(_,e,void 0,g?n.K7.softNav:n.K7.spa)})),h.setCurrentRouteName=g?j(_,"routeName",void 0,n.K7.softNav):j(E,"routeName",!0,n.K7.spa),h.noticeError=function(t,r){"string"==typeof t&&(t=new Error(t)),(0,a.p)(f.xV,["API/noticeError/called"],void 0,n.K7.metrics,w),(0,a.p)("err",[t,(0,m.t)(),!1,r,!!x[e]],void 0,n.K7.jserrors,w)},d.RI?(0,u.GG)((()=>k()),!0):k(),h}var N=r(9417),T=r(8122);const S={accountID:void 0,trustKey:void 0,agentID:void 0,licenseKey:void 0,applicationID:void 0,xpid:void 0},j={};var k=r(5284);const I=e=>{const t=e.startsWith("http");e+="/",r.p=t?e:"https://"+e};let O=!1;function P(e,t={},r,n){let{init:a,info:c,loader_config:u,runtime:l={},exposed:f=!0}=t;l.loaderType=r;const p=(0,g.pV)();c||(a=p.init,c=p.info,u=p.loader_config),(0,N.xN)(e.agentIdentifier,a||{}),function(e,t){if(!e)throw new Error("All loader-config objects require an agent identifier!");j[e]=(0,T.a)(t,S);const r=(0,g.nY)(e);r&&(r.loader_config=j[e])}(e.agentIdentifier,u||{}),c.jsAttributes??={},d.bv&&(c.jsAttributes.isWorker=!0),(0,i.x1)(e.agentIdentifier,c);const h=(0,N.D0)(e.agentIdentifier),v=[c.beacon,c.errorBeacon];O||(h.proxy.assets&&(I(h.proxy.assets),v.push(h.proxy.assets)),h.proxy.beacon&&v.push(h.proxy.beacon),E(),(0,g.US)("activatedFeatures",k.B),e.runSoftNavOverSpa&&=!0===h.soft_navigations.enabled&&h.feature_flags.includes("soft_nav")),l.denyList=[...h.ajax.deny_list||[],...h.ajax.block_internal?v:[]],l.ptid=e.agentIdentifier,(0,o.V)(e.agentIdentifier,l),e.ee=s.ee.get(e.agentIdentifier),void 0===e.api&&(e.api=_(e.agentIdentifier,n,e.runSoftNavOverSpa)),void 0===e.exposed&&(e.exposed=f),O=!0}},8374:(e,t,r)=>{r.nc=(()=>{try{return document?.currentScript?.nonce}catch(e){}return""})()},860:(e,t,r)=>{"use strict";r.d(t,{$J:()=>o,K7:()=>n,P3:()=>i});const n={ajax:"ajax",genericEvents:"generic_events",jserrors:"jserrors",logging:"logging",metrics:"metrics",pageAction:"page_action",pageViewEvent:"page_view_event",pageViewTiming:"page_view_timing",sessionReplay:"session_replay",sessionTrace:"session_trace",softNav:"soft_navigations",spa:"spa"},i={[n.pageViewEvent]:1,[n.pageViewTiming]:2,[n.metrics]:3,[n.jserrors]:4,[n.spa]:5,[n.ajax]:6,[n.sessionTrace]:7,[n.softNav]:8,[n.sessionReplay]:9,[n.logging]:10,[n.genericEvents]:11},o={[n.pageViewTiming]:"events",[n.ajax]:"events",[n.spa]:"events",[n.softNav]:"events",[n.metrics]:"jserrors",[n.jserrors]:"jserrors",[n.sessionTrace]:"browser/blobs",[n.sessionReplay]:"browser/blobs",[n.logging]:"browser/logs",[n.genericEvents]:"ins"}}},n={};function i(e){var t=n[e];if(void 0!==t)return t.exports;var o=n[e]={exports:{}};return r[e](o,o.exports,i),o.exports}i.m=r,i.d=(e,t)=>{for(var r in t)i.o(t,r)&&!i.o(e,r)&&Object.defineProperty(e,r,{enumerable:!0,get:t[r]})},i.f={},i.e=e=>Promise.all(Object.keys(i.f).reduce(((t,r)=>(i.f[r](e,t),t)),[])),i.u=e=>"nr-rum-1.274.0.min.js",i.o=(e,t)=>Object.prototype.hasOwnProperty.call(e,t),e={},t="NRBA-1.274.0.PROD:",i.l=(r,n,o,a)=>{if(e[r])e[r].push(n);else{var s,c;if(void 0!==o)for(var u=document.getElementsByTagName("script"),d=0;d<u.length;d++){var l=u[d];if(l.getAttribute("src")==r||l.getAttribute("data-webpack")==t+o){s=l;break}}if(!s){c=!0;var f={296:"sha512-gkYkZDAwQ9PwaDXs2YM+rNIdRej1Ac1mupWobRJ8eahQcXz6/sunGZCKklrzi5kWxhOGRZr2tn0rEKuLTXzfAA=="};(s=document.createElement("script")).charset="utf-8",s.timeout=120,i.nc&&s.setAttribute("nonce",i.nc),s.setAttribute("data-webpack",t+o),s.src=r,0!==s.src.indexOf(window.location.origin+"/")&&(s.crossOrigin="anonymous"),f[a]&&(s.integrity=f[a])}e[r]=[n];var g=(t,n)=>{s.onerror=s.onload=null,clearTimeout(p);var i=e[r];if(delete e[r],s.parentNode&&s.parentNode.removeChild(s),i&&i.forEach((e=>e(n))),t)return t(n)},p=setTimeout(g.bind(null,void 0,{type:"timeout",target:s}),12e4);s.onerror=g.bind(null,s.onerror),s.onload=g.bind(null,s.onload),c&&document.head.appendChild(s)}},i.r=e=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},i.p="https://js-agent.newrelic.com/",(()=>{var e={840:0,374:0};i.f.j=(t,r)=>{var n=i.o(e,t)?e[t]:void 0;if(0!==n)if(n)r.push(n[2]);else{var o=new Promise(((r,i)=>n=e[t]=[r,i]));r.push(n[2]=o);var a=i.p+i.u(t),s=new Error;i.l(a,(r=>{if(i.o(e,t)&&(0!==(n=e[t])&&(e[t]=void 0),n)){var o=r&&("load"===r.type?"missing":r.type),a=r&&r.target&&r.target.src;s.message="Loading chunk "+t+" failed.\n("+o+": "+a+")",s.name="ChunkLoadError",s.type=o,s.request=a,n[1](s)}}),"chunk-"+t,t)}};var t=(t,r)=>{var n,o,[a,s,c]=r,u=0;if(a.some((t=>0!==e[t]))){for(n in s)i.o(s,n)&&(i.m[n]=s[n]);if(c)c(i)}for(t&&t(r);u<a.length;u++)o=a[u],i.o(e,o)&&e[o]&&e[o][0](),e[o]=0},r=self["webpackChunk:NRBA-1.274.0.PROD"]=self["webpackChunk:NRBA-1.274.0.PROD"]||[];r.forEach(t.bind(null,0)),r.push=t.bind(null,r.push.bind(r))})(),(()=>{"use strict";i(8374);var e=i(944),t=i(6344),r=i(9566);class n{agentIdentifier;constructor(e=(0,r.LA)(16)){this.agentIdentifier=e}#e(t,...r){if("function"==typeof this.api?.[t])return this.api[t](...r);(0,e.R)(35,t)}addPageAction(e,t){return this.#e("addPageAction",e,t)}setPageViewName(e,t){return this.#e("setPageViewName",e,t)}setCustomAttribute(e,t,r){return this.#e("setCustomAttribute",e,t,r)}noticeError(e,t){return this.#e("noticeError",e,t)}setUserId(e){return this.#e("setUserId",e)}setApplicationVersion(e){return this.#e("setApplicationVersion",e)}setErrorHandler(e){return this.#e("setErrorHandler",e)}addRelease(e,t){return this.#e("addRelease",e,t)}log(e,t){return this.#e("log",e,t)}}class o extends n{#e(t,...r){if("function"==typeof this.api?.[t])return this.api[t](...r);(0,e.R)(35,t)}start(){return this.#e("start")}finished(e){return this.#e("finished",e)}recordReplay(){return this.#e(t.G4.RECORD)}pauseReplay(){return this.#e(t.G4.PAUSE)}addToTrace(e){return this.#e("addToTrace",e)}setCurrentRouteName(e){return this.#e("setCurrentRouteName",e)}interaction(){return this.#e("interaction")}wrapLogger(e,t,r){return this.#e("wrapLogger",e,t,r)}}var a=i(860),s=i(9417);const c=Object.values(a.K7);function u(e){const t={};return c.forEach((r=>{t[r]=function(e,t){return!0===(0,s.gD)(t,"".concat(e,".enabled"))}(r,e)})),t}var d=i(7603);var l=i(1687),f=i(4234),g=i(5289),p=i(6154),h=i(384);const v=e=>p.RI&&!0===(0,s.gD)(e,"privacy.cookies_enabled");function m(e){return!!(0,h.dV)().o.MO&&v(e)&&!0===(0,s.gD)(e,"session_trace.enabled")}var b=i(6389);class y extends f.W{constructor(e,t,r=!0){super(e.agentIdentifier,t),this.auto=r,this.abortHandler=void 0,this.featAggregate=void 0,this.onAggregateImported=void 0,!1===e.init[this.featureName].autoStart&&(this.auto=!1),this.auto?(0,l.Ak)(e.agentIdentifier,t):this.ee.on("manual-start-all",(0,b.J)((()=>{(0,l.Ak)(e.agentIdentifier,this.featureName),this.auto=!0,this.importAggregator(e)})))}importAggregator(t,r={}){if(this.featAggregate||!this.auto)return;let n;this.onAggregateImported=new Promise((e=>{n=e}));const o=async()=>{let o;try{if(v(this.agentIdentifier)){const{setupAgentSession:e}=await i.e(296).then(i.bind(i,3861));o=e(t)}}catch(t){(0,e.R)(20,t),this.ee.emit("internal-error",[t]),this.featureName===a.K7.sessionReplay&&this.abortHandler?.()}try{if(t.sharedAggregator)await t.sharedAggregator;else{t.sharedAggregator=i.e(296).then(i.bind(i,9337));const{EventAggregator:e}=await t.sharedAggregator;t.sharedAggregator=new e}if(!this.#t(this.featureName,o))return(0,l.Ze)(this.agentIdentifier,this.featureName),void n(!1);const{lazyFeatureLoader:e}=await i.e(296).then(i.bind(i,6103)),{Aggregate:a}=await e(this.featureName,"aggregate");this.featAggregate=new a(t,r),n(!0)}catch(t){(0,e.R)(34,t),this.abortHandler?.(),(0,l.Ze)(this.agentIdentifier,this.featureName,!0),n(!1),this.ee&&this.ee.abort()}};p.RI?(0,g.GG)((()=>o()),!0):o()}#t(e,t){switch(e){case a.K7.sessionReplay:return m(this.agentIdentifier)&&!!t;case a.K7.sessionTrace:return!!t;default:return!0}}}var w=i(6630);class A extends y{static featureName=w.T;constructor(e,t=!0){super(e,w.T,t),this.importAggregator(e)}}var R=i(9908),E=i(2843),x=i(3878),_=i(782),N=i(1863);class T extends y{static featureName=_.T;constructor(e,t=!0){super(e,_.T,t),p.RI&&((0,E.u)((()=>(0,R.p)("docHidden",[(0,N.t)()],void 0,_.T,this.ee)),!0),(0,x.sp)("pagehide",(()=>(0,R.p)("winPagehide",[(0,N.t)()],void 0,_.T,this.ee))),this.importAggregator(e))}}var S=i(3969);class j extends y{static featureName=S.TZ;constructor(e,t=!0){super(e,S.TZ,t),this.importAggregator(e)}}new class extends o{constructor(t,r){super(r),p.gm?(this.features={},(0,h.bQ)(this.agentIdentifier,this),this.desiredFeatures=new Set(t.features||[]),this.desiredFeatures.add(A),this.runSoftNavOverSpa=[...this.desiredFeatures].some((e=>e.featureName===a.K7.softNav)),(0,d.j)(this,t,t.loaderType||"agent"),this.run()):(0,e.R)(21)}get config(){return{info:this.info,init:this.init,loader_config:this.loader_config,runtime:this.runtime}}run(){try{const t=u(this.agentIdentifier),r=[...this.desiredFeatures];r.sort(((e,t)=>a.P3[e.featureName]-a.P3[t.featureName])),r.forEach((r=>{if(!t[r.featureName]&&r.featureName!==a.K7.pageViewEvent)return;if(this.runSoftNavOverSpa&&r.featureName===a.K7.spa)return;if(!this.runSoftNavOverSpa&&r.featureName===a.K7.softNav)return;const n=function(e){switch(e){case a.K7.ajax:return[a.K7.jserrors];case a.K7.sessionTrace:return[a.K7.ajax,a.K7.pageViewEvent];case a.K7.sessionReplay:return[a.K7.sessionTrace];case a.K7.pageViewTiming:return[a.K7.pageViewEvent];default:return[]}}(r.featureName).filter((e=>!(e in this.features)));n.length>0&&(0,e.R)(36,{targetFeature:r.featureName,missingDependencies:n}),this.features[r.featureName]=new r(this)}))}catch(t){(0,e.R)(22,t);for(const e in this.features)this.features[e].abortHandler?.();const r=(0,h.Zm)();delete r.initializedAgents[this.agentIdentifier]?.api,delete r.initializedAgents[this.agentIdentifier]?.features,delete this.sharedAggregator;return r.ee.get(this.agentIdentifier).abort(),!1}}}({features:[A,T,j],loaderType:"lite"})})()})();</script> <noscript><style>form.antibot * :not(.antibot-message) { display: none !important; }</style> </noscript><script async src="https://www.googletagmanager.com/gtag/js?id=G-HEQ0YF2VYL"></script> <script>window.dataLayer = window.dataLayer || [];function gtag(){dataLayer.push(arguments)};gtag("js", new Date());gtag("set", "developer_id.dMDhkMT", true);gtag('set', {'cookie_flags': 'SameSite=None;Secure', 'cookie_domain': 'www.nist.gov'});gtag("config", "G-HEQ0YF2VYL", {"groups":"default","page_placeholder":"PLACEHOLDER_page_location","link_attribution":true,"allow_ad_personalization_signals":false});gtag("config", "UA-33523145-1", {"groups":"default","anonymize_ip":true,"page_placeholder":"PLACEHOLDER_page_path","link_attribution":true,"allow_ad_personalization_signals":false,"custom_map":{"dimension2":"node_title","dimension3":"node_id","dimension7":"content_type"}});gtag("config", "G-CSLL4ZEK4L", {"groups":"default","page_placeholder":"PLACEHOLDER_page_location","link_attribution":true,"allow_ad_personalization_signals":false});gtag("event", "custom", {"node_title":"Information Technology Laboratory","node_id":"341071","content_type":"Laboratory\/Organizational Unit"});</script> <link rel="canonical" href="https://www.nist.gov/itl" /> <link rel="shortlink" href="https://www.nist.gov/node/341071" /> <meta name="citation_title" content="Information Technology Laboratory | NIST" /> <meta property="og:site_name" content="NIST" /> <meta property="og:type" content="Article" /> <meta property="og:url" content="https://www.nist.gov/itl" /> <meta property="og:title" content="Information Technology Laboratory" /> <meta property="article:published_time" content="2015-04-28T15:15-04:00" /> <meta property="article:modified_time" content="2024-09-26T10:31-04:00" /> <meta name="dcterms.title" content="Information Technology Laboratory" /> <meta name="dcterms.date" content="2015-04-28T15:15-04:00" /> <meta name="dcterms.type" content="text" /> <meta name="dcterms.format" content="text/html" /> <meta name="dcterms.identifier" content="https://www.nist.gov/itl" /> <meta name="dcterms.source" content="NIST" /> <meta name="dcterms.created" content="2015-04-28T15:15-04:00" /> <meta name="dcterms.modified" content="2024-09-26T10:31-04:00" /> <meta name="twitter:card" content="summary_large_image" /> <meta name="twitter:description" content="" /> <meta name="twitter:site" content="NIST" /> <meta name="twitter:title" content="Information Technology Laboratory" /> <meta name="google-site-verification" content="QMu0ODkER3rN5hLcMLqNVf7e3bkjYsNLTuhqfH48jCA" /> <meta name="Generator" content="Drupal 10 (https://www.drupal.org)" /> <meta name="MobileOptimized" content="width" /> <meta name="HandheldFriendly" content="true" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="nist_search_modified" class="elastic" content="2024-09-26T10:31:00-04:00" /> <script type="application/ld+json">{ "@context": "https://schema.org", "@graph": [ { "@type": "GovernmentOrganization", "@id": "https://www.nist.gov/itl", "name": "Information Technology Laboratory", "url": "https://www.nist.gov/itl" } ] }</script> <meta name="nist_search_bundle" class="elastic" content="laboratory_organizational_unit" /> <link rel="icon" href="/themes/custom/nist_www/favicon.ico" type="image/vnd.microsoft.icon" /> <title>Information Technology Laboratory | NIST</title> <link rel="stylesheet" media="all" href="/sites/default/files/css/css_wuR8ZwMFh0__FFo3R4zfCcvSs-_yPHYXP8MHmoyxi0Q.css?delta=0&language=en&theme=nist_www&include=eJx1TwGOwyAM-xBXnoRCySC3lDAC6-33R3udWk06CaHYjmzHw3x3TcYr1p-z-1bj_5FolmyiSGR0kIFfjWa1n4TJpM3daHBB1swCwbU6bChHG-FPVmpIS6nyRPtJbBV2riVccCQLe6hukWADKfhhzJTvRl_acBkNFfd9G1k88HX-OqxsQghY39Ct63rdvuBtBX_aFmBD7QV4OqApUCFWKEnfyslMPZfumTRhME_CVe3-T6N156MfPjqwS0gxtTN3obnKdv4vXRCeuQ" /> <link rel="stylesheet" media="all" href="/sites/default/files/css/css_fa1651ZoYZuqCbaIzCHaJC0W6fhWSS6nO014ZFCGwPo.css?delta=1&language=en&theme=nist_www&include=eJx1TwGOwyAM-xBXnoRCySC3lDAC6-33R3udWk06CaHYjmzHw3x3TcYr1p-z-1bj_5FolmyiSGR0kIFfjWa1n4TJpM3daHBB1swCwbU6bChHG-FPVmpIS6nyRPtJbBV2riVccCQLe6hukWADKfhhzJTvRl_acBkNFfd9G1k88HX-OqxsQghY39Ct63rdvuBtBX_aFmBD7QV4OqApUCFWKEnfyslMPZfumTRhME_CVe3-T6N156MfPjqwS0gxtTN3obnKdv4vXRCeuQ" /> <link rel="stylesheet" media="print" href="/sites/default/files/css/css_9Coyc_d7BWI3xLJk5PwpQTcYxaLUNGsq-07t6YSu-vo.css?delta=2&language=en&theme=nist_www&include=eJx1TwGOwyAM-xBXnoRCySC3lDAC6-33R3udWk06CaHYjmzHw3x3TcYr1p-z-1bj_5FolmyiSGR0kIFfjWa1n4TJpM3daHBB1swCwbU6bChHG-FPVmpIS6nyRPtJbBV2riVccCQLe6hukWADKfhhzJTvRl_acBkNFfd9G1k88HX-OqxsQghY39Ct63rdvuBtBX_aFmBD7QV4OqApUCFWKEnfyslMPZfumTRhME_CVe3-T6N156MfPjqwS0gxtTN3obnKdv4vXRCeuQ" /> <link rel="stylesheet" media="all" href="/sites/default/files/css/css_Kz2bG7r0MVPRglAGQYamzQ0UEfAz0mtCbLJIj9V8n6A.css?delta=3&language=en&theme=nist_www&include=eJx1TwGOwyAM-xBXnoRCySC3lDAC6-33R3udWk06CaHYjmzHw3x3TcYr1p-z-1bj_5FolmyiSGR0kIFfjWa1n4TJpM3daHBB1swCwbU6bChHG-FPVmpIS6nyRPtJbBV2riVccCQLe6hukWADKfhhzJTvRl_acBkNFfd9G1k88HX-OqxsQghY39Ct63rdvuBtBX_aFmBD7QV4OqApUCFWKEnfyslMPZfumTRhME_CVe3-T6N156MfPjqwS0gxtTN3obnKdv4vXRCeuQ" /> <script src="/sites/default/files/js/js_JtHi3E9mRUm2eZxqQyZvyq93aaxzrwZcMhpD2hb_Uvk.js?scope=header&delta=0&language=en&theme=nist_www&include=eJx1TwGOwyAM-xBXnoRCySC3lDAC6-33R3udWk06CaHYjmzHw3x3TcYr1p-z-1bj_5FolmyiSGR0kIFfjWa1n4TJpM3daHBB1swCwbU6bChHG-FPVmpIS6nyRPtJbBV2riVccCQLe6hukWADKfhhzJTvRl_acBkNFfd9G1k88HX-OqxsQghY39Ct63rdvuBtBX_aFmBD7QV4OqApUCFWKEnfyslMPZfumTRhME_CVe3-T6N156MfPjqwS0gxtTN3obnKdv4vXRCeuQ"></script> </head> <body class="node-341071"> <a href="#main-content" class="visually-hidden focusable" data-elastic-exclude> Skip to main content </a> <div class="dialog-off-canvas-main-canvas" data-off-canvas-main-canvas>  <section data-elastic-exclude class="usa-banner" aria-label="Official government website"> <div class="usa-accordion"> <header class="usa-banner__header"> <div class="usa-banner__inner"> <div class="grid-col-auto"> <img class="usa-banner__header-flag" src="/libraries/nist-component-library/dist/img/us_flag_small.png" alt="U.S. flag"> </div> <div class="grid-col-fill tablet:grid-col-auto"> <p class="usa-banner__header-text">An official website of the United States government</p> <p class="usa-banner__header-action" aria-hidden="true">Here’s how you know</p> </div> <button class="usa-accordion__button usa-banner__button" aria-expanded="false" aria-controls="gov-banner-default"> <span class="usa-banner__button-text">Here’s how you know</span> </button> </div> </header> <div class="usa-banner__content usa-accordion__content" id="gov-banner-default"> <div class="grid-row grid-gap-lg"> <div class="usa-banner__guidance tablet:grid-col-6"> <img class="usa-banner__icon usa-media-block__img" src="/libraries/nist-component-library/dist/img/icon-dot-gov.svg" role="img" alt="" aria-hidden="true"> <div class="usa-media-block__body"> <p> <strong>Official websites use .gov</strong> <br/> A <strong>.gov</strong> website belongs to an official government organization in the United States. </p> </div> </div> <div class="usa-banner__guidance tablet:grid-col-6"> <img class="usa-banner__icon usa-media-block__img" src="/libraries/nist-component-library/dist/img/icon-https.svg" role="img" alt="" aria-hidden="true"> <div class="usa-media-block__body"> <p> <strong>Secure .gov websites use HTTPS</strong> <br/> A <strong>lock</strong> ( <span class="icon-lock"> <svg xmlns="http://www.w3.org/2000/svg" width="52" height="64" viewbox="0 0 52 64" class="usa-banner__lock-image" role="img" aria-labelledby="banner-lock-title banner-lock-description" focusable="false"> <title id="banner-lock-title">Lock</title> <desc id="banner-lock-description">A locked padlock</desc><path fill="#000000" fill-rule="evenodd" d="M26 0c10.493 0 19 8.507 19 19v9h3a4 4 0 0 1 4 4v28a4 4 0 0 1-4 4H4a4 4 0 0 1-4-4V32a4 4 0 0 1 4-4h3v-9C7 8.507 15.507 0 26 0zm0 8c-5.979 0-10.843 4.77-10.996 10.712L15 19v9h22v-9c0-6.075-4.925-11-11-11z"/></svg> </span> ) or <strong>https://</strong> means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. </p> </div> </div> </div> </div> </div> </section>  <div data-elastic-exclude>  <div class="nist-print-header" style="display:none;"> <p class="nist-print-header__url">https://www.nist.gov/itl</p> <img class="nist-print-header__logo" width="289" height="38" src="/libraries/nist-component-library/dist/img/logo/nist_logo_sidestack.svg" alt="National Institute of Standards and Technology" /> </div> <div class="usa-overlay"></div> <header class="usa-header nist-header--www nist-header--minimal" role="banner"> <div class="usa-navbar"> <div class="usa-logo flex-fill"> <a href="/" title="National Institute of Standards and Technology" aria-label="Home"> <img src="/libraries/nist-component-library/dist/img/logo/logo.svg" alt="National Institute of Standards and Technology" width="300px" height="80px" /> </a> </div> <div class="usa-header__right grid-row flex-auto"> <div class="grid-col-fill nist-header__search-group"> <form class="usa-search usa-search--small" accept-charset="UTF-8" action="/search" id="search_form" method="get"> <div role="search"> <label class="usa-sr-only" for="search-form">Search NIST</label> <input class="usa-input" id="search-form" type="search" name="s" placeholder="Search NIST" required="" maxlength="128"> <button class="usa-button" type="submit"><img src="/libraries/nist-component-library/dist/img/usa-icons-bg/search--white.svg" class="usa-search__submit-icon" alt="Search"></button> </div> </form> </div> <div class="grid-col-auto padding-left-1"> <button class="usa-menu-btn">Menu</button> </div> </div> </div> <nav aria-label="Primary navigation" class="usa-nav"> <div class="usa-nav__inner"> <button class="usa-nav__close">Close</button> <ul class="usa-nav__primary usa-accordion"> <li class="usa-nav__primary-item"> <button class="usa-accordion__button usa-nav__link" aria-expanded="false" aria-controls="primary_menu-1"><span>Topics</span></button> <div id="primary_menu-1" class="usa-nav__submenu usa-megamenu"> <div class="grid-row"> <div class="tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/topics" class="usa-nav__link">All Topics</a> </li> <li class="usa-nav__submenu-item"> <a href="/advanced-communications" class="usa-nav__link">Advanced communications</a> </li> <li class="usa-nav__submenu-item"> <a href="/artificial-intelligence" class="usa-nav__link">Artificial intelligence</a> </li> <li class="usa-nav__submenu-item"> <a href="/bioscience" class="usa-nav__link">Bioscience</a> </li> <li class="usa-nav__submenu-item"> <a href="/buildings-construction" class="usa-nav__link">Buildings and construction</a> </li> <li class="usa-nav__submenu-item"> <a href="/chemistry" class="usa-nav__link">Chemistry</a> </li> <li class="usa-nav__submenu-item"> <a href="/climate" class="usa-nav__link">Climate</a> </li> <li class="usa-nav__submenu-item"> <a href="/cybersecurity" class="usa-nav__link">Cybersecurity</a> </li> <li class="usa-nav__submenu-item"> <a href="/electronics" class="usa-nav__link">Electronics</a> </li> <li class="usa-nav__submenu-item"> <a href="/energy" class="usa-nav__link">Energy</a> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/environment" class="usa-nav__link">Environment</a> </li> <li class="usa-nav__submenu-item"> <a href="/fire" class="usa-nav__link">Fire</a> </li> <li class="usa-nav__submenu-item"> <a href="/forensic-science" class="usa-nav__link">Forensic science</a> </li> <li class="usa-nav__submenu-item"> <a href="/health" class="usa-nav__link">Health</a> </li> <li class="usa-nav__submenu-item"> <a href="/information-technology" class="usa-nav__link">Information technology</a> </li> <li class="usa-nav__submenu-item"> <a href="/infrastructure" class="usa-nav__link">Infrastructure</a> </li> <li class="usa-nav__submenu-item"> <a href="/manufacturing" class="usa-nav__link">Manufacturing</a> </li> <li class="usa-nav__submenu-item"> <a href="/materials" class="usa-nav__link">Materials</a> </li> <li class="usa-nav__submenu-item"> <a href="/mathematics-statistics" class="usa-nav__link">Mathematics and statistics</a> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/metrology" class="usa-nav__link">Metrology</a> </li> <li class="usa-nav__submenu-item"> <a href="/nanotechnology" class="usa-nav__link">Nanotechnology</a> </li> <li class="usa-nav__submenu-item"> <a href="/neutron-research" class="usa-nav__link">Neutron research</a> </li> <li class="usa-nav__submenu-item"> <a href="/performance-excellence" class="usa-nav__link">Performance excellence</a> </li> <li class="usa-nav__submenu-item"> <a href="/physics" class="usa-nav__link">Physics</a> </li> <li class="usa-nav__submenu-item"> <a href="/public-safety" class="usa-nav__link">Public safety</a> </li> <li class="usa-nav__submenu-item"> <a href="/quantum-information-science" class="usa-nav__link">Quantum information science</a> </li> <li class="usa-nav__submenu-item"> <a href="/resilience" class="usa-nav__link">Resilience</a> </li> <li class="usa-nav__submenu-item"> <a href="/standards" class="usa-nav__link">Standards</a> </li> <li class="usa-nav__submenu-item"> <a href="/transportation" class="usa-nav__link">Transportation</a> </li> </ul> </div> </div> </div> </li> <li class="usa-nav__primary-item"> <a class="usa-nav__link" href="/publications">Publications</a> </li> <li class="usa-nav__primary-item"> <button class="usa-accordion__button usa-nav__link usa-current" aria-expanded="false" aria-controls="primary_menu-3"><span>Labs & Major Programs</span></button> <div id="primary_menu-3" class="usa-nav__submenu usa-megamenu"> <div class="grid-row"> <div class="tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/adlp" class="usa-nav__link">Assoc Director of Laboratory Programs</a> </li> <li class="usa-nav__submenu-item"> <a href="/laboratories" class="usa-nav__link usa-current">Laboratories</a> <ul class="usa-nav__submenu-list"> <li> <a href="/ctl" class="usa-nav__link">Communications Technology Laboratory</a> </li> <li> <a href="/el" class="usa-nav__link">Engineering Laboratory</a> </li> <li> <a href="/itl" class="usa-nav__link usa-current">Information Technology Laboratory</a> </li> <li> <a href="/mml" class="usa-nav__link">Material Measurement Laboratory</a> </li> <li> <a href="/pml" class="usa-nav__link">Physical Measurement Laboratory</a> </li> </ul> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/user-facilities" class="usa-nav__link">User Facilities</a> <ul class="usa-nav__submenu-list"> <li> <a href="/ncnr" class="usa-nav__link">NIST Center for Neutron Research</a> </li> <li> <a href="/cnst" class="usa-nav__link">CNST NanoFab</a> </li> </ul> </li> <li class="usa-nav__submenu-item"> <a href="/labs-major-programs/research-test-beds" class="usa-nav__link">Research Test Beds</a> </li> <li class="usa-nav__submenu-item"> <a href="/laboratories/projects-programs" class="usa-nav__link">Research Projects</a> </li> <li class="usa-nav__submenu-item"> <a href="/laboratories/tools-instruments" class="usa-nav__link">Tools & Instruments</a> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/major-programs" class="usa-nav__link">Major Programs</a> <ul class="usa-nav__submenu-list"> <li> <a href="/baldrige" class="usa-nav__link">Baldrige Performance Excellence Program</a> </li> <li> <a href="/chips" class="usa-nav__link">CHIPS for America Initiative</a> </li> <li> <a href="/mep" class="usa-nav__link">Manufacturing Extension Partnership (MEP)</a> </li> <li> <a href="/oam" class="usa-nav__link">Office of Advanced Manufacturing</a> </li> <li> <a href="/spo" class="usa-nav__link">Special Programs Office</a> </li> <li> <a href="/tpo" class="usa-nav__link">Technology Partnerships Office</a> </li> </ul> </li> </ul> </div> </div> </div> </li> <li class="usa-nav__primary-item"> <button class="usa-accordion__button usa-nav__link" aria-expanded="false" aria-controls="primary_menu-4"><span>Services & Resources</span></button> <div id="primary_menu-4" class="usa-nav__submenu usa-megamenu"> <div class="grid-row"> <div class="tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/services-resources/standards-and-measurements" class="usa-nav__link">Standards and Measurements</a> <ul class="usa-nav__submenu-list"> <li> <a href="/calibrations" class="usa-nav__link">Calibration Services</a> </li> <li> <a href="/nvlap" class="usa-nav__link">Laboratory Accreditation (NVLAP)</a> </li> <li> <a href="/nist-quality-system" class="usa-nav__link">Quality System</a> </li> <li> <a href="/srm" class="usa-nav__link">Standard Reference Materials (SRMs)</a> </li> <li> <a href="/sri" class="usa-nav__link">Standard Reference Instruments (SRIs)</a> </li> <li> <a href="/standardsgov" class="usa-nav__link">Standards.gov</a> </li> <li> <a href="/pml/time-and-frequency-division/time-services" class="usa-nav__link">Time Services</a> </li> <li> <a href="/pml/owm" class="usa-nav__link">Office of Weights and Measures</a> </li> </ul> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/services-resources/software" class="usa-nav__link">Software</a> </li> <li class="usa-nav__submenu-item"> <a href="/data" class="usa-nav__link">Data</a> <ul class="usa-nav__submenu-list"> <li> <a href="https://webbook.nist.gov/chemistry/" class="usa-nav__link">Chemistry WebBook</a> </li> <li> <a href="https://nvd.nist.gov/" class="usa-nav__link">National Vulnerability Database</a> </li> <li> <a href="/pml/productsservices/physical-reference-data" class="usa-nav__link">Physical Reference Data</a> </li> <li> <a href="/srd" class="usa-nav__link">Standard Reference Data (SRD)</a> </li> </ul> </li> <li class="usa-nav__submenu-item"> <a href="https://www.nist.gov/shop" class="usa-nav__link">Storefront</a> </li> <li class="usa-nav__submenu-item"> <a href="/tpo" class="usa-nav__link">License & Patents</a> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="https://csrc.nist.gov/" class="usa-nav__link">Computer Security Resource Center (CSRC)</a> </li> <li class="usa-nav__submenu-item"> <a href="/nist-research-library" class="usa-nav__link">NIST Research Library</a> </li> </ul> </div> </div> </div> </li> <li class="usa-nav__primary-item"> <button class="usa-accordion__button usa-nav__link" aria-expanded="false" aria-controls="primary_menu-5"><span>News & Events</span></button> <div id="primary_menu-5" class="usa-nav__submenu usa-megamenu"> <div class="grid-row"> <div class="tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/news-events/news" class="usa-nav__link">News</a> </li> <li class="usa-nav__submenu-item"> <a href="/news-events/events" class="usa-nav__link">Events</a> </li> <li class="usa-nav__submenu-item"> <a href="/blogs" class="usa-nav__link">Blogs</a> </li> <li class="usa-nav__submenu-item"> <a href="/feature-stories" class="usa-nav__link">Feature Stories</a> </li> <li class="usa-nav__submenu-item"> <a href="/awards" class="usa-nav__link">Awards</a> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/video-gallery" class="usa-nav__link">Video Gallery</a> </li> <li class="usa-nav__submenu-item"> <a href="/image-gallery" class="usa-nav__link">Image Gallery</a> </li> <li class="usa-nav__submenu-item"> <a href="/pao/media-contacts" class="usa-nav__link">Media Contacts</a> </li> </ul> </div> </div> </div> </li> <li class="usa-nav__primary-item"> <button class="usa-accordion__button usa-nav__link" aria-expanded="false" aria-controls="primary_menu-6"><span>About NIST</span></button> <div id="primary_menu-6" class="usa-nav__submenu usa-megamenu"> <div class="grid-row"> <div class="tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/about-nist" class="usa-nav__link">About Us</a> <ul class="usa-nav__submenu-list"> <li> <a href="/director/leadership" class="usa-nav__link">Leadership</a> </li> <li> <a href="/director/nist-organization-structure" class="usa-nav__link">Organization Structure</a> </li> <li> <a href="/about-nist/budget-planning" class="usa-nav__link">Budget & Planning</a> </li> </ul> </li> <li class="usa-nav__submenu-item"> <a href="/about-nist/contact-us" class="usa-nav__link">Contact Us</a> </li> <li class="usa-nav__submenu-item"> <a href="/about-nist/visit" class="usa-nav__link">Visit</a> </li> <li class="usa-nav__submenu-item"> <a href="/careers" class="usa-nav__link">Careers</a> <ul class="usa-nav__submenu-list"> <li> <a href="/iaao/academic-affairs-office" class="usa-nav__link">Student programs</a> </li> </ul> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/about-nist/work-nist" class="usa-nav__link">Work with NIST</a> </li> <li class="usa-nav__submenu-item"> <a href="/history" class="usa-nav__link">History</a> <ul class="usa-nav__submenu-list"> <li> <a href="http://nistdigitalarchives.contentdm.oclc.org/" class="usa-nav__link">NIST Digital Archives</a> </li> <li> <a href="/nist-museum" class="usa-nav__link">NIST Museum</a> </li> <li> <a href="/nist-and-nobel" class="usa-nav__link">NIST and the Nobel</a> </li> </ul> </li> <li class="usa-nav__submenu-item"> <a href="/education" class="usa-nav__link">Educational Resources</a> </li> </ul> </div> </div> </div> </li> </ul> </div> </nav> </header>  </div> <div class="grid-container"> <div data-drupal-messages-fallback class="hidden"></div> </div> <div id="block-nist-www-content" class="nist-block" > <section class="nist-page__content usa-section clearfix" > <a id="main-content" tabindex="-1"></a> <div class="nist-section-header nist-section-header--menu"> <div class="nist-section-header__main grid-container"> <div class="grid-row"> <div class="nist-section-header__title"> <h1 class="nist-page__title">Information Technology Laboratory</h1> </div> </div> </div> </div> <div class="grid-container margin-top-4"> <div class="grid-row grid-gap-6"> <aside class="nist-page__region nist-page__region--sidebar-first tablet-lg:grid-col-4 desktop-lg:grid-col-3"> <div>  <div data-elastic-exclude="" class="nist-block" > <nav> <ul class="usa-sidenav usa-accordion "> <li class="usa-sidenav__item usa-sidenav__item--parent"> <a href="/itl/about-itl" data-drupal-link-system-path="">About ITL</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-information-technology-lab-1"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-information-technology-lab-1" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/itl/about-itl/itl-mission" data-drupal-link-system-path="">ITL Mission</a> </li> <li class="usa-sidenav__item"> <a href="/itl/about-itl/itl-purpose" data-drupal-link-system-path="">ITL Purpose</a> </li> <li class="usa-sidenav__item"> <a href="/itl/about-itl/itl-history-timeline" data-drupal-link-system-path="">ITL History Timeline</a> </li> </ul> </li> <li class="usa-sidenav__item usa-sidenav__item--parent"> <a href="/itl/how-work-us" data-drupal-link-system-path="">How to Work With Us</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-information-technology-lab-2"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-information-technology-lab-2" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/itl/how-work-us/itl-opportunities" data-drupal-link-system-path="">ITL Opportunities</a> </li> <li class="usa-sidenav__item"> <a href="/itl/how-work-us/nrc-postdoctoral-research-fellowships-itl" data-drupal-link-system-path="">NRC Postdoctoral Research Fellowships in the ITL</a> </li> <li class="usa-sidenav__item"> <a href="/itl/how-work-us/itl-grants-program" data-drupal-link-system-path="">ITL Grants Program</a> </li> <li class="usa-sidenav__item"> <a href="https://www.nist.gov/ohrm/summer-high-school-intern-program" data-drupal-link-system-path="">NIST SHIP Program</a> </li> <li class="usa-sidenav__item"> <a href="/itl/how-work-us/itl-surf-program" data-drupal-link-system-path="">ITL SURF Program</a> </li> <li class="usa-sidenav__item"> <a href="/itl/how-work-us/pathways-program" data-drupal-link-system-path="">Pathways Program</a> </li> <li class="usa-sidenav__item"> <a href="/itl/how-work-us/educational-outreach" data-drupal-link-system-path="">Educational Outreach</a> </li> </ul> </li> <li class="usa-sidenav__item usa-sidenav__item--parent"> <a href="/itl/publications-0" data-drupal-link-system-path="">Publications</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-information-technology-lab-3"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-information-technology-lab-3" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="https://csrc.nist.gov" data-drupal-link-system-path="">Computer Security Resource Center</a> </li> <li class="usa-sidenav__item"> <a href="/itl/publications-0/itl-patent-policy-inclusion-patents-itl-publications" data-drupal-link-system-path="">ITL Patent Policy – Inclusion of Patents in ITL Publications</a> </li> <li class="usa-sidenav__item"> <a href="/itl/publications-0/federal-information-processing-standards-fips" data-drupal-link-system-path="">Federal Information Processing Standards (FIPS)</a> </li> <li class="usa-sidenav__item"> <a href="/itl/publications-0/nist-special-publication-800-series-general-information" data-drupal-link-system-path="">NIST Special Publication 800-series General Information</a> </li> <li class="usa-sidenav__item"> <a href="/itl/publications-0/nist-special-publication-1800-series-general-information" data-drupal-link-system-path="">NIST Special Publication 1800-series General Information</a> </li> <li class="usa-sidenav__item"> <a href="https://csrc.nist.gov/publications/itl-bulletin" data-drupal-link-system-path="">ITL Bulletins</a> </li> <li class="usa-sidenav__item"> <a href="/itl/itl-newsletter" data-drupal-link-system-path="">ITL Newsletters</a> </li> <li class="usa-sidenav__item"> <a href="https://nist.primo.exlibrisgroup.com/discovery/collectionDiscovery?vid=01NIST_INST%3A01NIST&inst=01NIST_INST&collectionId=8126389620008106" data-drupal-link-system-path="">NIST Special Publication 500 Series</a> </li> <li class="usa-sidenav__item"> <a href="https://www.nist.gov/publications" data-drupal-link-system-path="">Searchable NIST Publication Database</a> </li> </ul> </li> <li class="usa-sidenav__item usa-sidenav__item--parent"> <a href="/itl/priority-areas" data-drupal-link-system-path="">Priority Areas</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-information-technology-lab-4"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-information-technology-lab-4" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="https://www.nist.gov//topics/artificial-intelligence" data-drupal-link-system-path="">Artificial Intelligence</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-information-technology-lab-4-1"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-information-technology-lab-4-1" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="https://www.nist.gov/itl/fundamental-applied-research-and-standards-ai-technologies" data-drupal-link-system-path="">FARSAIT</a> </li> </ul> </li> <li class="usa-sidenav__item"> <a href="https://www.nist.gov/topics/cybersecurity" data-drupal-link-system-path="">Cybersecurity</a> </li> <li class="usa-sidenav__item"> <a href="https://www.nist.gov/topics/internet-things-iot" data-drupal-link-system-path="">Internet of Things</a> </li> <li class="usa-sidenav__item"> <a href="/itl/priority-areas" data-drupal-link-system-path="">Future Computing Technologies and Applications</a> </li> <li class="usa-sidenav__item"> <a href="/itl/priority-areas" data-drupal-link-system-path="">Reliable Computing</a> </li> </ul> </li> <li class="usa-sidenav__item usa-sidenav__item--parent"> <a href="/itl/products-and-services" data-drupal-link-system-path="">Products and Services</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-information-technology-lab-5"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-information-technology-lab-5" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/itl/iad/image-group/resources/biometric-special-databases-and-software" data-drupal-link-system-path="">Biometric Special Databases and Software</a> </li> <li class="usa-sidenav__item"> <a href="/itl/products-and-services/color-feret-database" data-drupal-link-system-path="">Color FERET Database</a> </li> <li class="usa-sidenav__item"> <a href="https://csrc.nist.gov/" data-drupal-link-system-path="">Computer Security Resource Center</a> </li> <li class="usa-sidenav__item"> <a href="/cyberframework" data-drupal-link-system-path="">Cybersecurity Framework</a> </li> <li class="usa-sidenav__item"> <a href="/itl/products-and-services/emnist-dataset" data-drupal-link-system-path="">EMNIST Dataset</a> </li> <li class="usa-sidenav__item"> <a href="/itl/products-and-services/healthcare-standards-testing" data-drupal-link-system-path="">Healthcare - Standards & Testing</a> </li> <li class="usa-sidenav__item"> <a href="https://dlmf.nist.gov/" data-drupal-link-system-path="">NIST Digital Library of Mathematical Functions</a> </li> <li class="usa-sidenav__item"> <a href="http://www.itl.nist.gov/div898/handbook/" data-drupal-link-system-path="">NIST/SEMATECH Engineering Statistics Handbook</a> </li> <li class="usa-sidenav__item"> <a href="/itl/applied-cybersecurity/nice" data-drupal-link-system-path="">National Initiative for Cybersecurity Education</a> </li> <li class="usa-sidenav__item"> <a href="/itl/ssd/software-quality-group/national-software-reference-library-nsrl/nsrl-download/current-rds" data-drupal-link-system-path="">National Software Reference Library's RDS</a> </li> <li class="usa-sidenav__item"> <a href="https://nvd.nist.gov/" data-drupal-link-system-path="">National Vulnerability Database</a> </li> <li class="usa-sidenav__item"> <a href="/news-events/news/nist-tools-searching-coronavirus-dataset" data-drupal-link-system-path="">Tools for Searching the Coronavirus Dataset</a> </li> <li class="usa-sidenav__item"> <a href="/itl/voting" data-drupal-link-system-path="">Voting</a> </li> </ul> </li> <li class="usa-sidenav__item"> <a href="https://www.nist.gov/news-events/upcoming-events/org/5641" data-drupal-link-system-path="">Events</a> </li> <li class="usa-sidenav__item"> <a href="https://www.nist.gov/news-events/news-updates/org/5641" data-drupal-link-system-path="">News & Updates</a> </li> <li class="usa-sidenav__item"> <a href="https://www.nist.gov/taking-measure-categories/information-technology" data-drupal-link-system-path="">Taking Measure Blogs on Information Technology</a> </li> <li class="usa-sidenav__item"> <a href="https://www.nist.gov/blogs/cybersecurity-insights" data-drupal-link-system-path="">Cybersecurity Insights Blog</a> </li> <li class="usa-sidenav__item"> <a href="/itl/standards-activities" data-drupal-link-system-path="">Standards Activities</a> </li> <li class="usa-sidenav__item"> <a href="https://www.nist.gov/video-category/information-technology" data-drupal-link-system-path="">Videos</a> </li> </ul> </nav> <a href="/full-menu/341071" class="usa-button usa-button--outline margin-left-2 margin-top-1">Full menu</a> </div>   <div class="views-element-container nist-block nist-block--org" data-elastic-exclude="" > <h2 class="nist-block__title" >Divisions</h2> <div><div class="js-view-dom-id-554de987a22eca716fa2b374ad853bae6db4482f84fc62d7d30c5d46117bfbaa"> <div class="link-list"> <ul> <li><div class="views-field views-field-title-1"><span class="field-content"><a href="/itl/math" hreflang="en">Applied and Computational Mathematics Division</a></span></div></li> <li><div class="views-field views-field-title-1"><span class="field-content"><a href="/itl/applied-cybersecurity" hreflang="en">Applied Cybersecurity Division</a></span></div></li> <li><div class="views-field views-field-title-1"><span class="field-content"><a href="/itl/csd" hreflang="en">Computer Security Division</a></span></div></li> <li><div class="views-field views-field-title-1"><span class="field-content"><a href="/itl/iad" hreflang="en">Information Access Division</a></span></div></li> <li><div class="views-field views-field-title-1"><span class="field-content"><a href="/itl/ssd" hreflang="en">Software and Systems Division</a></span></div></li> <li><div class="views-field views-field-title-1"><span class="field-content"><a href="/itl/sed" hreflang="en">Statistical Engineering Division</a></span></div></li> </ul> </div> </div> </div> </div>   <div data-elastic-exclude="" class="nist-block nist-social__wrapper--block" > <h2 class="nist-block__title" >Connect with us</h2> <div><a href="https://public.govdelivery.com/accounts/USNIST/subscriber/topics" class="nist-social nist-social--envelope" title="GovDelivery" ><span>GovDelivery</span></a></div> </div>  </div> </aside> <div class="nist-page__region nist-page__region--content tablet-lg:grid-col-8 desktop-lg:grid-col-9" > <div class="nist-block" > <div class="paragraph paragraph--type--hero paragraph--view-mode--default"> <div class="nist-hero grid-row grid-gap-2"> <div class="nist-hero__item tablet:grid-col-4 "> <div class="nist-hero__item-inner"> <div class="nist-hero__image"> <a href="/news-events/news/2023/01/nist-risk-management-framework-aims-improve-trustworthiness-artificial"> <picture> <source srcset="/sites/default/files/styles/600w_x_360h/public/images/2023/01/25/RMF-redesign-rounded-other_graphics-04.png.webp?itok=B9ptx9PJ 1x, /sites/default/files/styles/1200w_x_720h/public/images/2023/01/25/RMF-redesign-rounded-other_graphics-04.png.webp?itok=Triy4HZo 2x" media="(min-width: 480px)" type="image/webp" width="600" height="360"/> <source srcset="/sites/default/files/styles/300w_x_180h/public/images/2023/01/25/RMF-redesign-rounded-other_graphics-04.png.webp?itok=kv6Unp_Z 1x, /sites/default/files/styles/600w_x_360h/public/images/2023/01/25/RMF-redesign-rounded-other_graphics-04.png.webp?itok=B9ptx9PJ 2x" media="(min-width: 0px)" type="image/webp" width="300" height="180"/> <img loading="eager" src="/sites/default/files/styles/600w_x_360h/public/images/2023/01/25/RMF-redesign-rounded-other_graphics-04.png.jpg?itok=B9ptx9PJ" width="600" height="360" alt="Circular design includes elements of the AI Risk Management Framework: Govern, Measure, Manage, Map." typeof="foaf:Image" /> </picture> </a> </div> <div class="nist-hero__caption"> <a href="/news-events/news/2023/01/nist-risk-management-framework-aims-improve-trustworthiness-artificial"> <div class="text">NIST Risk Management Framework Aims to Improve Trustworthiness of Artificial Intelligence</div> </a> </div> </div> </div> <div class="nist-hero__item tablet:grid-col-4 "> <div class="nist-hero__item-inner"> <div class="nist-hero__image"> <a href="/news-events/news/2022/12/nist-drafts-revised-guidelines-digital-identification-federal-systems"> <picture> <source srcset="/sites/default/files/styles/600w_x_360h/public/images/2022/11/08/DigitalIDGuidelines_illustration_Concept-rev2.png.webp?itok=jliUP315 1x, /sites/default/files/styles/1200w_x_720h/public/images/2022/11/08/DigitalIDGuidelines_illustration_Concept-rev2.png.webp?itok=rLZNsuAB 2x" media="(min-width: 480px)" type="image/webp" width="600" height="360"/> <source srcset="/sites/default/files/styles/300w_x_180h/public/images/2022/11/08/DigitalIDGuidelines_illustration_Concept-rev2.png.webp?itok=MXaMCOpk 1x, /sites/default/files/styles/600w_x_360h/public/images/2022/11/08/DigitalIDGuidelines_illustration_Concept-rev2.png.webp?itok=jliUP315 2x" media="(min-width: 0px)" type="image/webp" width="300" height="180"/> <img loading="eager" src="/sites/default/files/styles/600w_x_360h/public/images/2022/11/08/DigitalIDGuidelines_illustration_Concept-rev2.png.jpg?itok=jliUP315" width="600" height="360" alt="Icons for methods of establishing online identity, including a password and a physical ID card, are shown near a screen reading "ACCESS GRANTED."" typeof="foaf:Image" /> </picture> </a> </div> <div class="nist-hero__caption"> <a href="/news-events/news/2022/12/nist-drafts-revised-guidelines-digital-identification-federal-systems"> <div class="text">NIST Drafts Revised Guidelines for Digital Identification in Federal Systems</div> </a> </div> </div> </div> <div class="nist-hero__item tablet:grid-col-4 "> <div class="nist-hero__item-inner"> <div class="nist-hero__image"> <a href="/spo/forensic-science-program/digital-investigation-techniques-nist-scientific-foundation-review"> <picture> <source srcset="/sites/default/files/styles/600w_x_360h/public/images/2022/05/05/20ITL003_JTAGMethod_cr.jpg.webp?itok=_XIN2qvZ 1x, /sites/default/files/styles/1200w_x_720h/public/images/2022/05/05/20ITL003_JTAGMethod_cr.jpg.webp?itok=tONS_o7A 2x" media="(min-width: 480px)" type="image/webp" width="600" height="360"/> <source srcset="/sites/default/files/styles/300w_x_180h/public/images/2022/05/05/20ITL003_JTAGMethod_cr.jpg.webp?itok=px4XAiga 1x, /sites/default/files/styles/600w_x_360h/public/images/2022/05/05/20ITL003_JTAGMethod_cr.jpg.webp?itok=_XIN2qvZ 2x" media="(min-width: 0px)" type="image/webp" width="300" height="180"/> <img loading="eager" src="/sites/default/files/styles/600w_x_360h/public/images/2022/05/05/20ITL003_JTAGMethod_cr.jpg.jpg?itok=_XIN2qvZ" width="600" height="360" alt="A closeup photograph of person's hands as they solder a wire onto a circuit board." typeof="foaf:Image" /> </picture> </a> </div> <div class="nist-hero__caption"> <a href="/spo/forensic-science-program/digital-investigation-techniques-nist-scientific-foundation-review"> <div class="text">NIST Finalizes Report on Scientific Foundations of Digital Forensic Methods</div> </a> </div> </div> </div> </div> </div> <div class="nist-content-row nist-content-row--width-legible paragraph paragraph--type--text paragraph--view-mode--default"> <div class="nist-block text-long"><h2 class="nist-block__title">WELCOME TO THE INFORMATION TECHNOLOGY LABORATORY</h2><div class="nist-callout"><h2 class="text-align-center">ITL’s Purpose | Cultivating Trust in IT and Metrology</h2></div><p>The Information Technology Laboratory (ITL) is one of NIST’s six research laboratories. ITL focuses on IT measurements, testing, and standards, and is a globally recognized and trusted source of high-quality, independent, and unbiased research and data. ITL’s mission, to cultivate trust in information technology (IT) and metrology, is accomplished using its world-class measurement and testing facilities and encompassing a wide range of areas of computer science, mathematics, statistics, and systems engineering.</p><p>This non-regulatory role, along with ITL’s deep technical expertise in all fields of information technology, helps increase trust in IT worldwide.</p><p> </p><div class="grid-row grid-gap"><div class="grid-col"><h2 class="nist-block__title"><a href="https://www.nist.gov/itl/itl-publications/itl-newsletters">ITL Newsletters</a></h2><p>Published bimonthly, the ITL Newsletter features news articles on ITL's programs, projects, activities, and accomplishments. It announces selected new ITL publications and describes upcoming technical conferences and workshops. </p><p><a href="https://public.govdelivery.com/accounts/USNIST/subscriber/new?qsp=USNIST_3"><strong>Sign up for ITL Newsletters</strong></a><strong>!</strong></p></div><div class="grid-col"><h2 class="nist-block__title"><a href="https://csrc.nist.gov/publications/itl-bulletin"><strong>ITL BULLETINS</strong></a></h2><p>The ITL Bulletin focuses on ITL’s research and collaborative activities in cybersecurity. It often announces new ITL publications in information security and gives an overview of the research contained within.</p><p><a href="https://public.govdelivery.com/accounts/USNIST/subscriber/new?qsp=USNIST_3"><strong>Sign up for ITL Bulletins</strong></a><strong>!</strong></p></div></div></div> </div> <div class="paragraph paragraph--type--dynamic-content-list-ou paragraph--view-mode--default"> <div class="nist-block " > <h2 class="nist-block__title" > <div class="string">News and Updates</div> </h2> <div class="viewsreference"><div class="views-element-container"><div class="js-view-dom-id-6f6c3ac3c33a3a5c3f18ee00df380c555c87324f06edf12185eea5e8637e76b2"> <div> <article about="/news-events/news/2024/10/nist-wins-multiple-cyberscoop-50-awards" typeof="schema:Article" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/news-events/news/2024/10/nist-wins-multiple-cyberscoop-50-awards" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/10/29/shutterstock_2478850599.jpg?itok=4qh7xh-q" width="100" height="67" alt="an image of a hand with a trophy" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/news-events/news/2024/10/nist-wins-multiple-cyberscoop-50-awards"><span property="schema:name">NIST Wins Multiple CyberScoop 50 Awards</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2024-10-28T12:00:00Z">October 28, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> NIST’s Cherilyn Pascoe and the Post Quantum Cryptography Standards project team have been selected as winners of the 2024 CyberScoop 50 Awards . The winners </div> </div> </div> </article> </div> <div> <article about="/news-events/news/2024/10/nccoe-receives-recognition-montgomery-county-significant-role-advancing" typeof="schema:Article" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/news-events/news/2024/10/nccoe-receives-recognition-montgomery-county-significant-role-advancing" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/10/18/CC%20Cheri%20Award%20%28002%29.jpg?itok=KcaufC1H" width="100" height="56" alt="NCCoE Director Cherilyn Pascoe receives Montgomery County certificate from Montgomery County Executive Mr. Marc Elrich" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/news-events/news/2024/10/nccoe-receives-recognition-montgomery-county-significant-role-advancing"><span property="schema:name">NCCoE receives recognition from Montgomery County for significant role in advancing cybersecurity awareness and education</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2024-10-15T12:00:00Z">October 15, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> On October 15, 2024, NIST’s National Cybersecurity Center of Excellence (NCCoE) was presented with an official proclamation by Montgomery County Executive Mr </div> </div> </div> </article> </div> <div> <article about="/news-events/news/2024/09/nist-awards-6-million-carnegie-mellon-university-establish-ai-cooperative" typeof="schema:Article" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/news-events/news/2024/09/nist-awards-6-million-carnegie-mellon-university-establish-ai-cooperative" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2023/11/02/shutterstock_1218220324.jpg?itok=elOztNy-" width="100" height="42" alt="Hands draw on a transparent screen with circuits making the shape of a brain and "AI" written in the center. " typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/news-events/news/2024/09/nist-awards-6-million-carnegie-mellon-university-establish-ai-cooperative"><span property="schema:name">NIST Awards $6 Million to Carnegie Mellon University to Establish an AI Cooperative Research Center</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2024-09-24T12:00:00Z">September 24, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> The CMU/NIST AI Measurement Science & Engineering Cooperative Research Center will seek to advance AI risk management practices and evaluation approaches </div> </div> </div> </article> </div> <div> <article about="/news-events/news/2024/09/nist-awards-3-million-community-based-cybersecurity-workforce-development" typeof="schema:Article" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/news-events/news/2024/09/nist-awards-3-million-community-based-cybersecurity-workforce-development" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/04/02/shutterstock_2000247248.jpg?itok=LWU8awPJ" width="100" height="67" alt="Six smiling, casually dressed young people stand in a line in an office space, holding papers and laptops." typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/news-events/news/2024/09/nist-awards-3-million-community-based-cybersecurity-workforce-development"><span property="schema:name">NIST Awards $3 Million for Community-Based Cybersecurity Workforce Development</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2024-09-23T12:00:00Z">September 23, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> The grants of roughly $200,000 each will go to organizations that are working to address the nation’s shortage of skilled cybersecurity employees. </div> </div> </div> </article> </div> <footer> <div class="link-list"><a href="/news-events/news-updates/org/5641">View All News and Updates</a></div> </footer> </div> </div> </div> </div> </div> <div class="paragraph paragraph--type--dynamic-content-list-ou paragraph--view-mode--default"> <div class="nist-block " > <h2 class="nist-block__title" > <div class="string">Events</div> </h2> <div class="viewsreference"><div class="views-element-container"><div class="js-view-dom-id-1c0b2b96fcdcebcce489d03fbf64c7c66e51f4248b83e9c8135850dea0bd7f9f"> <div> <article about="/news-events/events/2025/02/university-based-cybersecurity-clinics-educating-next-generation" class="nist-teaser" > <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/news-events/events/2025/02/university-based-cybersecurity-clinics-educating-next-generation"><span>University-Based Cybersecurity Clinics: Educating the Next Generation of Cybersecurity Leaders While Safeguarding Small Businesses</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Thu, Feb 6 2025, 2:00 - 3:00pm EST</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> Colleges and universities have long been a valuable resource for small businesses in their communities. Examples of </div> </div> </div> </article> </div> <footer> <div class="link-list"><a href="/news-events/upcoming-events/org/5641">View All Events</a></div> </footer> </div> </div> </div> </div> </div> <div class="paragraph paragraph--type--dynamic-content-list-ou paragraph--view-mode--default"> <div class="nist-block " > <h2 class="nist-block__title" > <div class="string">Awards</div> </h2> <div class="viewsreference"><div class="views-element-container"><div class="js-view-dom-id-e449049dd5616acc0a245fa41b05ce7544ac875a3ab87ecbc474b428e5fa4c82"> <div> <article about="/awards/nist-wins-multiple-cyberscoop-50-awards" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/awards/nist-wins-multiple-cyberscoop-50-awards" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/10/29/CS50_Cherilyn%20Pascoe_FB%20%26%20Linkedin.png?itok=xNyDoesn" width="100" height="52" alt="Photo of Cherilyn Pascoe on CyberScoop 50 Award background" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/awards/nist-wins-multiple-cyberscoop-50-awards"><span>NIST Wins Multiple CyberScoop 50 Awards</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> NIST’s Cherilyn Pascoe and the Post Quantum Cryptography Standards project team have been selected as winners of the 2024 CyberScoop 50 </div> </div> </div> </article> </div> <div> <article about="/awards/nccoe-receives-recognition-montgomery-county-significant-role-advancing-cybersecurity" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/awards/nccoe-receives-recognition-montgomery-county-significant-role-advancing-cybersecurity" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/10/18/CC%20Cheri%20Award%20%28002%29.jpg?itok=KcaufC1H" width="100" height="56" alt="NCCoE Director Cherilyn Pascoe receives Montgomery County certificate from Montgomery County Executive Mr. Marc Elrich" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/awards/nccoe-receives-recognition-montgomery-county-significant-role-advancing-cybersecurity"><span>NCCoE receives recognition from Montgomery County for significant role in advancing cybersecurity awareness and education</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> On October 15, 2024, NIST’s National Cybersecurity Center of Excellence (NCCoE) was presented with an official proclamation by Montgomery </div> </div> </div> </article> </div> <div> <article about="/awards/ellen-voorhees-receives-gerald-salton-award" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/awards/ellen-voorhees-receives-gerald-salton-award" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2020/05/20/portrait-030120.jpg?itok=5kpncFPQ" width="79" height="100" alt="Head shot of Ellen Voorhees." typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/awards/ellen-voorhees-receives-gerald-salton-award"><span>Ellen Voorhees receives Gerald Salton Award</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> Congratulations to Ellen Voorhees on receiving the Gerard Salton Award at the ACM Conference on Research and Development in Information </div> </div> </div> </article> </div> <div> <article about="/awards/2024-award-excellence-research-applied-mathematics" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/awards/2024-award-excellence-research-applied-mathematics" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2020/03/26/JPZ-JQI.png?itok=OGh6sxR5" width="92" height="100" alt="Justyna Zwolak photo" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/awards/2024-award-excellence-research-applied-mathematics"><span>2024 Award for Excellence in Research in Applied Mathematics</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> Congratulations to Justyna Zwolak, who has been selected by the Washington Academy of Sciences (WAS) to receive its 2024 Award for </div> </div> </div> </article> </div> <footer> <div class="link-list"><a href="/awards/org/5641">View All Awards</a></div> </footer> </div> </div> </div> </div> </div> </div> </div> </div> </div> <div class="grid-container"> <div class="nist-page__region nist-page__region--content-bottom" > <div class="nist-block nist-block--contact" > <h2 class="nist-block__title" >Contacts</h2> <div class="nist-contact"> <ul class="nist-contact__items"> <li class="nist-contact__item"> <div class="nist-contact__name"> General Information </div> <div> <a href="mailto:itl_inquiries@nist.gov">itl_inquiries@nist.gov</a> </div> <div> (301) 975-2900 </div> <div> </div> </li> </ul> </div> </div> </div> </div> </section> </div> <div data-elastic-exclude>  <footer class="nist-footer padding-bottom-4"> <div class="grid-container nist-footer__info"> <div class="grid-row"> <div class="tablet:grid-col-6"> <div class="nist-footer__logo"> <a href="/" title="National Institute of Standards and Technology" rel="home"> <img class="nist-footer__logo-img" src="/libraries/nist-component-library/dist/img/logo/NIST-Logo-Brand-White.svg" alt="National Institute of Standards and Technology logo" width="300px" height="42px" /> </a> </div> <div class="nist-footer__contact"> <h3 class="nist-footer__contact-heading">HEADQUARTERS</h3> <address> 100 Bureau Drive<br> Gaithersburg, MD 20899<br> <a href="tel:301-975-2000">301-975-2000</a> </address> <p> <a href="mailto:do-webmaster@nist.gov">Webmaster</a> | <a href="https://www.nist.gov/about-nist/contact-us">Contact Us</a> | <a href="https://www.nist.gov/visit">Our Other Offices</a> </p> </div> </div> <div class="tablet:grid-col-6"> <div class="nist-footer__social-links"> <a class="nist-social nist-social--x-white" href=" https://x.com/NIST"> <span>X.com</span> </a> <a class="nist-social nist-social--facebook-white" href=" https://www.facebook.com/NIST"> <span>Facebook</span> </a> <a class="nist-social nist-social--linkedin-white" href=" https://www.linkedin.com/company/nist"> <span>LinkedIn</span> </a> <a class="nist-social nist-social--instagram-white" href=" https://www.instagram.com/nist/"> <span>Instagram</span> </a> <a class="nist-social nist-social--youtube-white" href=" https://www.youtube.com/NIST"> <span>YouTube</span> </a> <a class="nist-social nist-social--giphy-white" href=" https://giphy.com/nist"> <span>Giphy</span> </a> <a class="nist-social nist-social--rss-white" href=" https://www.nist.gov/news-events/nist-rss-feeds"> <span>RSS Feed</span> </a> <a class="nist-social nist-social--envelope-white" href=" https://public.govdelivery.com/accounts/USNIST/subscriber/new"> <span>Mailing List</span> </a> </div> <div class="nist-footer__feedback"> How are we doing? <a class="usa-button" rel="nofollow" href="/form/nist-gov-feedback?destination=/itl" title="Provide feedback">Feedback</a> </div> </div> </div> </div> <div class="grid-container"> <div class="nist-footer__nav" role="navigation"> <ul> <li class="nist-footer__menu-item"> <a href="https://www.nist.gov/privacy-policy">Site Privacy</a> </li> <li class="nist-footer__menu-item"> <a href="https://www.nist.gov/oism/accessibility">Accessibility</a> </li> <li class="nist-footer__menu-item"> <a href="https://www.nist.gov/privacy">Privacy Program</a> </li> <li class="nist-footer__menu-item"> <a href="https://www.nist.gov/oism/copyrights">Copyrights</a> </li> <li class="nist-footer__menu-item"> <a href="https://www.commerce.gov/vulnerability-disclosure-policy">Vulnerability Disclosure</a> </li> <li class="nist-footer__menu-item"> <a href="https://www.nist.gov/no-fear-act-policy">No Fear Act Policy</a> </li> <li class="nist-footer__menu-item"> <a href="https://www.nist.gov/office-director/freedom-information-act">FOIA</a> </li> <li class="nist-footer__menu-item"> <a href="https://www.nist.gov/environmental-policy-statement">Environmental Policy</a> </li> <li class="nist-footer__menu-item"> <a href="https://www.nist.gov/summary-report-scientific-integrity">Scientific Integrity</a> </li> <li class="nist-footer__menu-item"> <a href="https://www.nist.gov/nist-information-quality-standards">Information Quality Standards</a> </li> <li class="nist-footer__menu-item"> <a href="https://www.commerce.gov/">Commerce.gov</a> </li> <li class="nist-footer__menu-item"> <a href="http://www.science.gov/">Science.gov</a> </li> <li class="nist-footer__menu-item"> <a href="http://www.usa.gov/">USA.gov</a> </li> <li class="nist-footer__menu-item"> <a href="https://vote.gov/">Vote.gov</a> </li> </ul> </div> </div> </footer>  </div> </div> <script type="application/json" data-drupal-selector="drupal-settings-json">{"path":{"baseUrl":"\/","pathPrefix":"","currentPath":"node\/341071","currentPathIsAdmin":false,"isFront":false,"currentLanguage":"en"},"pluralDelimiter":"\u0003","suppressDeprecationErrors":true,"back_to_top":{"back_to_top_button_trigger":100,"back_to_top_speed":1200,"back_to_top_prevent_on_mobile":false,"back_to_top_prevent_in_admin":true,"back_to_top_button_type":"image","back_to_top_button_text":"Back to top"},"google_analytics":{"account":"G-HEQ0YF2VYL","trackOutbound":true,"trackMailto":true,"trackTel":true,"trackDownload":true,"trackDownloadExtensions":"7z|aac|arc|arj|asf|asx|avi|bin|bsh|c|csv|doc(x|m)?|dot(x|m)?|dw(fx|g|gd)|dxf|eps|epub|exe|f(90)|flv|gif|gz|gzip|hqx|jar|jpe?g|js|m1v|mp(2|3|4|e?g)|mobi|mov(ie)?|msi|msp|pdf|phps|pl|png|ppt(x|m)?|pot(x|m)?|pps(x|m)?|ppam|sld(x|m)?|thmx|qtm?|ra(m|r)?|rfa|rtf|rvt|sch|sea|sit|swf|tar|tgz|tif|txt|txz|wav|wma|wmv|wpd|wrl|xls(x|m|b)?|xlt(x|m)|xlam|xml|xsd|z|zip"},"nist_search":{"clickTracking":"search-report-click","isDebug":false,"clickTrackEnabled":true,"message":"NIST Search in debug mode. Check the browsers network inspector for Click Track reporting results..."},"data":{"extlink":{"extTarget":false,"extTargetNoOverride":false,"extNofollow":false,"extNoreferrer":false,"extFollowNoOverride":false,"extClass":"ext","extLabel":"(link is external)","extImgClass":false,"extSubdomains":true,"extExclude":"\\.gov\\\/|\\.mil\\\/|\\manufacturingusa\\.com\\\/","extInclude":"","extCssExclude":".ck-editor, .nist-social, .nist-video-thumbnail__lightbox-trigger, a.nist-icon--mail-blue","extCssExplicit":"","extAlert":true,"extAlertText":"Thank you for visiting NIST. We hope your visit was informative. We have provided a link to this site because it has information that may be of interest to our users. NIST does not necessarily endorse the views expressed or the facts presented on this site. Further, NIST does not endorse any commercial products that may be advertised or available on this site. Click OK to be directed to your link.","mailtoClass":"0","mailtoLabel":"(link sends email)","extUseFontAwesome":false,"extIconPlacement":"after","extFaLinkClasses":"fa fa-external-link","extFaMailtoClasses":"fa fa-envelope-o","whitelistedDomains":[]}},"user":{"uid":0,"permissionsHash":"799e86e1b846dec23e8558802ab352c65189779447aba2515e9cc22afa524258"}}</script> <script src="/sites/default/files/js/js_PHU9IaMjouCKyPeRMxGVOgc3bD_uuzlYV49YBhns0xg.js?scope=footer&delta=0&language=en&theme=nist_www&include=eJx1TwGOwyAM-xBXnoRCySC3lDAC6-33R3udWk06CaHYjmzHw3x3TcYr1p-z-1bj_5FolmyiSGR0kIFfjWa1n4TJpM3daHBB1swCwbU6bChHG-FPVmpIS6nyRPtJbBV2riVccCQLe6hukWADKfhhzJTvRl_acBkNFfd9G1k88HX-OqxsQghY39Ct63rdvuBtBX_aFmBD7QV4OqApUCFWKEnfyslMPZfumTRhME_CVe3-T6N156MfPjqwS0gxtTN3obnKdv4vXRCeuQ"></script> <script src="https://siteimproveanalytics.com/js/siteanalyze_6017546.js" async></script> <script src="/sites/default/files/js/js_WnMCIHWCdin8GNNpQ3oTaVkN58d1iRwcWUPqlGouIM4.js?scope=footer&delta=2&language=en&theme=nist_www&include=eJx1TwGOwyAM-xBXnoRCySC3lDAC6-33R3udWk06CaHYjmzHw3x3TcYr1p-z-1bj_5FolmyiSGR0kIFfjWa1n4TJpM3daHBB1swCwbU6bChHG-FPVmpIS6nyRPtJbBV2riVccCQLe6hukWADKfhhzJTvRl_acBkNFfd9G1k88HX-OqxsQghY39Ct63rdvuBtBX_aFmBD7QV4OqApUCFWKEnfyslMPZfumTRhME_CVe3-T6N156MfPjqwS0gxtTN3obnKdv4vXRCeuQ"></script> <script type="text/javascript">window.NREUM||(NREUM={});NREUM.info={"beacon":"bam.nr-data.net","licenseKey":"37b7ccb661","applicationID":"1089704227","transactionName":"YFxUN0sADEdYVkBaClkWdwBNCA1aFkVVVABoWlcAUQQ=","queueTime":3,"applicationTime":37,"atts":"TBtXQQMaH0k=","errorBeacon":"bam.nr-data.net","agent":""}</script></body> </html>

CINXE.COM

Information Technology Laboratory | NIST