Run results for: hash-wasm vs Web Crypto API

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3.1 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

webcrypto sha1

1.5M/s

webcrypto sha256

1.4M/s

wasm sha1

178K/s

wasm sha256

142K/s

View exact numbers

Test name	Executions per second
✓ webcrypto sha1	1,451,848 Ops/sec
webcrypto sha256	1,359,688 Ops/sec
wasm sha1	177,538 Ops/sec
wasm sha256	142,366 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);});