{"json_modified": "2016-03-28T08:42:32.827847", "uuid": "14c64d89-b105-468b-94b3-2bcce4b5f71e", "title": "SubtleCrypto.exportKey()", "url": "/en-US/docs/Web/API/SubtleCrypto/exportKey", "tags": ["API", "Reference", "Web Crypto API", "R\u00e9f\u00e9rence", "SubtleCrypto", "Method"], "translations": [], "modified": "2015-06-14T07:03:06", "label": "SubtleCrypto.exportKey()", "localization_tags": [], "locale": "en-US", "id": 134489, "last_edit": "2015-06-14T07:03:01", "summary": "The <code><strong>SubtleCrypto.exportKey()</strong></code> method returns a <a href=\"/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise\" title=\"The Promise object is used for deferred and asynchronous computations. A Promise is in one of these&#xA0;states:\"><code>Promise</code></a> of the key encrypted in the requested format. If the key is not extractable, that is if <a href=\"/en-US/docs/Web/API/CryptoKey/extractable\" title=\"The CryptoKey.extractable read-only property that indicates if the raw material key can be extracted, for example for archiving it.\"><code>CryptoKey.extractable</code></a> returns <code>false</code>, the promise fails with an <a href=\"/en-US/docs/Web/API/DOMException#exception-InvalidAccessError\"><code>InvalidAccessError</code></a> exception; it the format is unknown, the promive fails with a <a href=\"/en-US/docs/Web/API/DOMException#exception-NotSupported\"><code>NotSupported</code></a> exception.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Return_value", "title": "Return value"}, {"id": "Exceptions", "title": "Exceptions"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/SubtleCrypto/exportKey", "review_tags": []}