RandomSource
represents a source of cryptographically secure random numbers. It is available via the Crypto
object of the global object: Window.crypto
on Web pages, WorkerGlobalScope.crypto
in workers.
RandomSource
is a not an interface and no object of this type can be created.
Properties
RandomSource
neither defines nor inherits any property.
Methods
RandomSource.getRandomValues()
- Fills the passed
ArrayBufferView
with cryptographically sound random values.
Specification
Specification | Status | Comment |
---|---|---|
Web Cryptography API | Candidate Recommendation | Initial definition |
Browser Compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | 11.0 WebKit bug 22049 | 21 (21) [1] | 11.0 | 15.0 | 3.1 |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | Not supported | 23 | 21.0 (21) | Not supported | Not supported | 6 |
[1] Although the transparent RandomSource
is only available since Firefox 26, the feature was available in Firefox 21.
See also
Window.crypto
to get aCrypto
object.Math.random
, a non-cryptographic source of random numbers.