Lock

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <linearGradient
        id="a"
        x1="256"
        x2="256"
        y1="512"
        y2="0"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#addcff" />
        <stop offset=".503" stop-color="#eaf6ff" />
        <stop offset="1" stop-color="#eaf6ff" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="256"
        x2="256"
        y1="407"
        y2="105"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#00c0ff" />
        <stop offset="1" stop-color="#5558ff" />
    </linearGradient>
    <circle cx="256" cy="256" r="256" fill="url(#a)" />
    <path
        fill="url(#b)"
        d="M202.706 282.647c-4.892 0-8.882 3.99-8.882 8.882 0 4.893 3.99 8.882 8.882 8.882s8.883-3.99 8.883-8.882c-.001-4.892-3.991-8.882-8.883-8.882zm62.176 44.412c0 4.974-3.908 8.883-8.882 8.883s-8.882-3.909-8.882-8.883v-8.882h-8.882c-4.975 0-8.882-3.909-8.882-8.882 0-4.975 3.908-8.882 8.882-8.882h62.176V256c0-14.745-11.902-26.647-26.647-26.647H131.647C116.902 229.353 105 241.255 105 256v53.294C105 363.121 148.878 407 202.706 407c50.807 0 92.731-39.083 97.173-88.824h-34.996v8.883zm-53.294-10.519v46.048a8.877 8.877 0 0 1-8.883 8.882 8.877 8.877 0 0 1-8.882-8.882V316.54c-10.317-3.679-17.765-13.446-17.765-25.011 0-14.694 11.953-26.647 26.647-26.647s26.647 11.953 26.647 26.647c.001 11.565-7.447 21.332-17.764 25.011zm151-51.658c-21.454 0-39.388 15.278-43.514 35.529h-18.663v8.882c0 3.02-.178 6.04-.533 8.882h19.196c4.126 20.251 22.061 35.53 43.514 35.53 24.496 0 44.412-19.916 44.412-44.412 0-24.495-19.916-44.411-44.412-44.411zm0 53.294a8.882 8.882 0 1 1 0-17.764 8.882 8.882 0 0 1 8.882 8.882c.001 4.905-3.977 8.882-8.882 8.882zM176.059 184.941c0-14.694 11.953-26.647 26.647-26.647s26.647 11.953 26.647 26.647v26.647h53.294v-26.647c0-44.083-35.859-79.941-79.941-79.941-44.088 0-79.941 35.767-79.941 79.941v26.647h53.294z"
    />
</svg>