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SubtleCrypto.exportKey()

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The SubtleCrypto.exportKey() method returns a Promise of the key encrypted in the requested format. If the key is not extractable, that is if CryptoKey.extractable returns false, the promise fails with an InvalidAccessError exception; it the format is unknown, the promive fails with a NotSupported exception.

Syntax

var result = crypto.exportKey(format, key);

Parameters

Return value

  • result is a Promise that returns the key in the requested format.

Exceptions

The promise is rejected when one of the following exceptions is encountered:

Specifications

Specification Status Comment
Web Cryptography API
The definition of 'SubtleCrypto.exportKey()' in that specification.
Candidate Recommendation Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 37 34 (34) Not supported ? Not supported
ECDH ? 41 (41) ? ? ?
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) 37 34.0 (34) Not supported ? Not supported
ECDH ? ? 41.0 (41) ? ? ?

See also

Étiquettes et contributeurs liés au document

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