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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
Booleanindicating 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
CryptoandCrypto.subtle.