Run results for: hash-wasm vs Web Crypto API

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0

Browser: Firefox 128

Operating system: Linux

Device Platform: Desktop

Date tested: 10 months ago

webcrypto sha1

195K/s

webcrypto sha256

160K/s

wasm sha1

32K/s

wasm sha256

28K/s

View exact numbers

Test name	Executions per second
✓ webcrypto sha1	194,670 Ops/sec
webcrypto sha256	160,188 Ops/sec
wasm sha1	31,588 Ops/sec
wasm sha256	28,125 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/hash-wasm@4"></script>

Script Preparation code:

var data = new Uint32Array(1024);
window.crypto.getRandomValues(data);
var dataBuffer = new Uint8Array(data);
data = String.fromCharCode.apply(null, dataBuffer);

Tests:

wasm sha256
console.log(hashwasm.sha256(data));
webcrypto sha256
crypto.subtle.digest("SHA-256", dataBuffer).then(function (hash) {console.log(hash);});
wasm sha1
console.log(hashwasm.sha1(data));
webcrypto sha1
crypto.subtle.digest("SHA-1", dataBuffer).then(function (hash) {console.log(hash);});