Crypto 接口提供了基本的加密功能，可用于当前的上下文中。它允许访问一个密码强度的随机数生成器和 cryptographic primitives。
该接口在 Web 中可以通过 Window.crypto 属性来访问。
属性
该接口实现的属性定义在 RandomSource 中。
Crypto.subtle 只读 - 返回一个
SubtleCrypto 对象， 用来访问公共的 cryptographic primitives，例如哈希、签名、加密以及解密。
方法
该接口实现的方法定义在 RandomSource 中。
RandomSource.getRandomValues()- 使用 cryptographically sound 随机数填充
TypedArray。
规范
浏览器兼容
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|
| Basic support | 11 | 18 | 12 | 26 | 14 | 6.1 |
Yes |
subtle | 37 | 37 | 12 | 34 32 — 341 | 24 | 10.1 7
webkit
|
Yes |
getRandomValues | 11 | 18 | 12 | 26 | 14 | 4 |
Yes |
1. From version 32 until version 34 (exclusive): this feature is behind the dom.webcrypto.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
| Desktop | Mobile |
|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet |
|---|
| Basic support | Chrome
Full support
11 | Edge
Full support
12 | Firefox
Full support
26 | IE
Full support
11 | Opera
Full support
15 | Safari
Full support
6.1 | WebView Android
Full support
11 | Chrome Android
Full support
18 | Edge Mobile
Full support
12 | Firefox Android
Full support
26 | Opera Android
Full support
14 | Safari iOS
Full support
6.1 | Samsung Internet Android
Full support
Yes |
|---|
subtle | Chrome
Full support
37 | Edge
Full support
12 | Firefox
Full support
34-
Full support
34
-
No support
32 — 34
- Disabled From version 32 until version 34 (exclusive): this feature is behind the
dom.webcrypto.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
| IE
Partial support
11 | Opera
Full support
24 | Safari
Full support
10.1-
Full support
10.1
-
Full support
7
- Prefixed Requires the vendor prefix: webkit
| WebView Android
Full support
37 | Chrome Android
Full support
37 | Edge Mobile
Full support
12 | Firefox Android
Full support
34-
Full support
34
-
No support
32 — 34
- Disabled From version 32 until version 34 (exclusive): this feature is behind the
dom.webcrypto.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
| Opera Android
Full support
24 | Safari iOS
Full support
10.1-
Full support
10.1
-
Full support
7
- Prefixed Requires the vendor prefix: webkit
| Samsung Internet Android
Full support
Yes |
|---|
getRandomValues | Chrome
Full support
11 | Edge
Full support
12 | Firefox
Full support
26 | IE
Full support
11 | Opera
Full support
15 | Safari
Full support
4 | WebView Android
Full support
11 | Chrome Android
Full support
18 | Edge Mobile
Full support
12 | Firefox Android
Full support
26 | Opera Android
Full support
14 | Safari iOS
Full support
4 | Samsung Internet Android
Full support
Yes |
|---|
Legend
-
Full support
- Full support
-
Partial support
- Partial support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- User must explicitly enable this feature.
- User must explicitly enable this feature.
- Requires a vendor prefix or different name for use.
- Requires a vendor prefix or different name for use.
参见