The CryptoKey.algorithm read-only property is an opaque value containing all the information about the algorithm related to the key.

Different implementations have different kind of opaque value for these: such an object can't be shared.


result = key.algorithm

Return value

  • result is an opaque object describing the algorithm the key relates to.


Specification Status Comment
Web Cryptography API
The definition of 'CryptoKey.algorithm' in that specification.
Recommendation Initial definition.

Browser compatibility

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Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support 37 (Yes) 34 (34) No support ? No support
Feature Android Chrome for Android Edge Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) 37 (Yes) 34.0 (34) No support ? No support

See also

Document Tags and Contributors

 Contributors to this page: erikadoyle, fscholz, teoli
 Last updated by: erikadoyle,