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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
ArrayBufferViewwith 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.cryptoto get aCryptoobject.Math.random, a non-cryptographic source of random numbers.