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padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_DM6M"><div class="theme-doc-version-banner alert alert--warning margin-bottom--md" role="alert"><div>This is unreleased documentation for <!-- -->Apache Submarine<!-- --> <b>master 🏃</b> version.</div><div class="margin-top--md">For up-to-date documentation, see the <b><a href="/docs/designDocs/wip-designs/security-implementation">latest version</a></b> (<!-- -->0.6.0<!-- -->).</div></div><div class="docItemContainer_vinB"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Xlws" aria-label="breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a class="breadcrumbs__link" href="/">🏠</a></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><span class="breadcrumbs__link" itemprop="item name">Design Docs</span><meta itemprop="position" content="1"></li><li 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width="12" height="16" viewBox="0 0 12 16"><path fill-rule="evenodd" d="M5.05.31c.81 2.17.41 3.38-.52 4.31C3.55 5.67 1.98 6.45.9 7.98c-1.45 2.05-1.7 6.53 3.53 7.7-2.2-1.16-2.67-4.52-.3-6.61-.61 2.03.53 3.33 1.94 2.86 1.39-.47 2.3.53 2.27 1.67-.02.78-.31 1.44-1.13 1.81 3.42-.59 4.78-3.42 4.78-5.56 0-2.84-2.53-3.22-1.25-5.61-1.52.13-2.03 1.13-1.89 2.75.09 1.08-1.02 1.8-1.86 1.33-.67-.41-.66-1.19-.06-1.78C8.18 5.31 8.68 2.45 5.05.32L5.03.3l.02.01z"></path></svg></span>warning</h5></div><div class="admonition-content"><p>Please note that this design doc is working-in-progress and need more works to complete. </p></div></div><h2 class="anchor anchorWithStickyNavbar_mojV" id="handle-users-credential">Handle User&#x27;s Credential<a class="hash-link" href="#handle-users-credential" title="Direct link to heading">​</a></h2><p>Users credential includes Kerberoes Keytabs, Docker registry credentials, Github ssh-keys, etc.</p><p>User&#x27;s credential must be stored securitely, for example, via 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