isomorphic-webcrypto

isomorphic-webcrypto

isomorphic webcrypto library for IE11+ in 3kB

What?

There's a great Node polyfill for the Web Crypto API, but it's not isomorphic yet. This fills the gap until it is.

IE11 and versions of Safari < 11 use an older version of the spec, so the browser implementation includes a webcrypto-shim to iron out the differences. You'll still need to provide your own Promise polyfill.

Install

npm install isomorphic-webcrypto

Usage

There's a simple example below, but there are many more here.

const crypto = require('isomorphic-webcrypto')

crypto.subtle.digest(
  { name: 'SHA-256' },
  new Uint8Array([1,2,3]).buffer
)
.then(hash => {
  // do something with the hash buffer
})

Compatibility

See webcrypto-shim's supported browsers

I just want to drop in a script tag

You should use the webcrypto-shim library directly:

<!-- Any Promise polyfill will do -->
<script src="https://unpkg.com/bluebird"></script>
<script src="https://unpkg.com/webcrypto-shim"></script>

License

MIT