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CryptoKey

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The CryptoKey interface represents a cryptographic key derived from a specific key algorithm.

A CryptoKey object can be obtained using SubtleCrypto.generateKey(), SubtleCrypto.deriveKey() or SubtleCrypto.importKey()

Properties

This interface doesn't inherit any property.

CryptoKey.type
Returns an enumerated value representing the type of the key, a secret key (for symmetric algorithm), a public or a private key (for an asymmetric algorithm)
CryptoKey.extractable
Returns a Boolean indicating if the raw information may be exported to the application or not.
CryptoKey.algorithm
Returns an opaque object representing a particular cipher the key has to be used with.
CryptoKey.usages
Returns an array of enumerated values indicating what the key can be used for.

Methods

This interface neither inherits, nor implements, any method.

Specifications

Specification Status Comment
Web Cryptography API
The definition of 'CryptoKey' 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
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support 37 37 34.0 (34) Not supported ? Not supported

See also

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