This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2017.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
The Crypto.subtle read-only property returns a SubtleCrypto which can then be used to perform low-level cryptographic operations.
A SubtleCrypto object you can use to interact with the Web Crypto API's low-level cryptography features.
| Specification |
|---|
| Web Cryptography Level 2> # Crypto-attribute-subtle> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
subtle |
37 | 12 | 34 | 24 | 117–11.1 | 37 | 34 | 24 | 117–11.3 | 3.0 | 37 | 117–11.3 |
secure_context_required |
60 | 79 | 75 | 47 | 15 | 60 | 79 | 44 | 15 | 8.0 | 60 | 15 |
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https://developer.mozilla.org/en-US/docs/Web/API/Crypto/subtle