method webcrypto.SubtleCrypto.exportKey
Usage in Deno
import { type webcrypto } from "node:crypto";
SubtleCrypto.exportKey(format: "jwk",key: CryptoKey,): Promise<JsonWebKey>
Exports the given key into the specified format, if supported.
If the <CryptoKey>
is not extractable, the returned promise will reject.
When format
is either 'pkcs8'
or 'spki'
and the export is successful,
the returned promise will be resolved with an <ArrayBuffer>
containing the exported key data.
When format
is 'jwk'
and the export is successful, the returned promise will be resolved with a
JavaScript object conforming to the JSON Web Key specification.
key: CryptoKey
Promise<JsonWebKey>
<Promise>
containing <ArrayBuffer>
.