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
| Specification | Status | Comment |
|---|---|---|
| Web Cryptography API Crypto |
Recommendation | Initial definition |
浏览器兼容
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| 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 Yes | 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
| IE Partial support 11 | Opera Full support 24 | Safari
Full support
10.1
| WebView Android Full support 37 | Chrome Android Full support 37 | Edge Mobile Full support 12 | Firefox Android
Full support
34
| Opera Android Full support 24 | Safari iOS
Full support
10.1
| 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 Yes | 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.