Crypto.subtle | Web API

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安全上下文
此特征只可用于安全上下文 (HTTPS)，在某些或所有支持浏览器 .

Crypto.subtle 只读特性返回 SubtleCrypto which can then be used to perform low-level cryptographic operations.

var crypto = crypto.subtle;

A SubtleCrypto object you can use to interact with the Web Crypto API's low-level cryptography features.

规范	状态	注释
Web Cryptography API The definition of 'Crypto.subtle' in that specification.	推荐	初始定义。

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. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`subtle`	Chrome 37	Edge 12	Firefox 34 34 不支持 32 — 34 Disabled Disabled ). To change preferences in Firefox, visit	IE 部分支持 11	Opera 24	Safari 10.1 10.1 7 Prefixed Prefixed Implemented with the vendor prefix: webkit	WebView Android 37	Chrome Android 37	Firefox Android 34 34 不支持 32 — 34 Disabled Disabled ). To change preferences in Firefox, visit	Opera Android 24	Safari iOS 10.3 10.3 7 Prefixed Prefixed Implemented with the vendor prefix: webkit	Samsung Internet Android 3.0
Secure context required	Chrome 60	Edge 79	Firefox 75	IE No	Opera 47	Safari No	WebView Android 60	Chrome Android 60	Firefox Android No	Opera Android 47	Safari iOS No	Samsung Internet Android No