<h3 id=storage-keys>Storage keys</h3>

<p>A <dfn>storage key</dfn> is a <a>tuple</a> consisting of an <dfn for="storage key">origin</dfn>

(an <a for=/>origin</a>). [[!HTML]]

<p>A <dfn export>storage key</dfn> is a <a>tuple</a> consisting of an

<dfn for="storage key">origin</dfn> (an <a for=/>origin</a>). [[!HTML]]

<p class=XXX>This is expected to change; see

<a href="https://privacycg.github.io/storage-partitioning/">Client-Side Storage Partitioning</a>.

<div algorithm>

<p>To <dfn export>obtain a storage key</dfn>, given an <a for=/>environment</a>

<var>environment</var>, run these steps:

<var>environment</var>:

<ol>

<li><p>Let <var>key</var> be the result of running

<li><p>Return <var>key</var>.

</ol>

</div>

<div algorithm>

<p>To <dfn export>obtain a storage key for non-storage purposes</dfn>, given an

<a for=/>environment</a> <var>environment</var>, run these steps:

<a for=/>environment</a> <var>environment</var>:

<ol>

<li><p>Let <var>origin</var> be <var>environment</var>'s

<li><p>Return a <a>tuple</a> consisting of <var>origin</var>.

</ol>

</div>

<div algorithm>

<p>To determine whether a <a>storage key</a> <var>A</var>

<dfn export for="storage key" lt=equal>equals</dfn> <a>storage key</a> <var>B</var>, run these

steps:

<dfn export for="storage key" lt=equal>equals</dfn> <a>storage key</a> <var>B</var>:

<ol>

<li><p>If <var>A</var>'s <a for="storage key">origin</a> is not <a>same origin</a> with

<var>B</var>'s <a for="storage key">origin</a>, then return false.

<li><p>Return true.

</ol>

</div>

<h3 id=storage-sheds>Storage sheds</h3>

<a href="https://privacycg.github.io/storage-access/">Storage Access API</a>.

<h3 id=storage-task-source>Storage task source</h2>

<h3 id=storage-task-source>Storage task source</h3>

<p>The <dfn export id=task-source>storage task source</dfn> is a <a for=/>task source</a> to be used

for all <a for=/>tasks</a> related to a <a>storage endpoint</a>. In particular those that relate to