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Authentication icon - also known as document, contact, authorization, certification, business and finance, and authentication. Created in a clean gradient style, perfect for web, apps, and UI projects. Available in SVG and PNG, with multiple style variants.
<svg
xmlns="http://www.w3.org/2000/svg"
width="512"
height="512"
viewBox="0 0 64 64"
>
<linearGradient
id="a"
x1="32"
x2="32"
y1="63"
y2="1"
gradientUnits="userSpaceOnUse"
>
<stop offset="0" stop-color="#9f2fff" />
<stop offset="1" stop-color="#0bb1d3" />
</linearGradient>
<path
fill="url(#a)"
d="M18 33v2c1.654 0 3 1.346 3 3h-2c0-.551-.449-1-1-1h-3v1c0 .551.449 1 1 1h2c1.654 0 3 1.346 3 3v3h-3v2h-2v-2c-1.654 0-3-1.346-3-3h2c0 .551.449 1 1 1h3v-1c0-.551-.449-1-1-1h-2c-1.654 0-3-1.346-3-3v-3h3v-2zm45-2.05a5.91 5.91 0 0 1-1.743 4.207L59.414 37l.672.672c.589.589.914 1.373.914 2.207v.242c0 .834-.325 1.618-.914 2.207l-7.758 7.758a1.122 1.122 0 0 0 1.586 1.586l.379-.379 1.414 1.414-.379.379a3.101 3.101 0 0 1-2.207.914A3.124 3.124 0 0 1 50 50.879c0-.834.325-1.618.914-2.207l7.758-7.758c.211-.212.328-.493.328-.793v-.242c0-.3-.117-.581-.328-.793L58 38.414l-13 13V59h-7.788l-8.486 3.771a2.653 2.653 0 0 1-3.497-3.497L25.35 59H1V11.586L11.586 1H45v33.586l7.843-7.843A5.91 5.91 0 0 1 57.05 25 5.957 5.957 0 0 1 63 30.95zM31.414 51 37 56.586 38.586 55 33 49.414zm10.172 1L36 46.414 34.414 48 40 53.586zM43 50.586 54.586 39 49 33.414 37.414 45zM4.414 11H11V4.414zm21.825 46 2.922-6.576L43 36.586V3H13v10H3v44zm9.024.678-4.941-4.941-3.267 7.35a.656.656 0 0 0-.055.263c0 .451.504.774.914.594zM43 53.414 39.414 57H43zM61 30.95A3.955 3.955 0 0 0 57.05 27a3.924 3.924 0 0 0-2.793 1.157L50.414 32 56 37.586l3.843-3.843A3.924 3.924 0 0 0 61 30.95zM28 31h1v6.335c0 6.925-3.673 13.466-9.585 17.072l-.074.041c-.723.361-1.533.552-2.341.552s-1.618-.191-2.341-.553C8.673 50.801 5 44.26 5 37.335V31h1c3.643 0 7.216-1.253 10.061-3.529l.939-.752.939.752A16.163 16.163 0 0 0 28 31zm-1 1.972a18.181 18.181 0 0 1-10-3.697 18.181 18.181 0 0 1-10 3.697v4.363c0 6.232 3.305 12.119 8.626 15.364.738.362 1.897.408 2.786-.023C23.71 49.426 27 43.552 27 37.335zM41 11H15V5h26zM29 9h4V7h-4zm-2-2h-4v2h4zM17 9h4V7h-4zm22-2h-4v2h4zM7 15H5v2h2zm4 0H9v2h2zm30 0H13v2h28zm0 4H5v2h36zm-2.009 6H41v-2h-2.009zm-1.925-2H5v2h32.066zM31 29h10v-2H31zm0 4h10v-2H31zm0 4h10v-2H31z"
/>
</svg>
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