Benchmark: Web Encrypt API - Decrypt

Script Preparation code:
const message = 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";
const enc = new TextEncoder();
const encodedMessage = enc.encode(message);

let keyCbc, ivCbc, ciphertextCbc;
let keyGcm, ivGcm, ciphertextGcm;

(async () => {
  keyCbc = await window.crypto.subtle.generateKey(
    { name: "AES-CBC", length: 256 },
    true,
    ["encrypt", "decrypt"]
  );
  ivCbc = window.crypto.getRandomValues(new Uint8Array(16));
  ciphertextCbc = await window.crypto.subtle.encrypt(
    { name: "AES-CBC", iv: ivCbc },
    keyCbc,
    encodedMessage
  );

  keyGcm = await window.crypto.subtle.generateKey(
    { name: "AES-GCM", length: 256 },
    true,
    ["encrypt", "decrypt"]
  );
  ivGcm = window.crypto.getRandomValues(new Uint8Array(12));
  ciphertextGcm = await window.crypto.subtle.encrypt(
    { name: "AES-GCM", iv: ivGcm, tagLength: 128 },
    keyGcm,
    encodedMessage
  );
})();
Tests:
GCM
(async () => { await window.crypto.subtle.decrypt({ name: "AES-CBC", iv: ivGcm, tagLength: 128, }, keyGcm, ciphertextGcm ); })();
CBC
(async () => { await window.crypto.subtle.decrypt({ name: "AES-CBC", iv: ivCbc, }, keyCbc, ciphertextCbc ); })();
Rendered benchmark preparation results:
Suite status: <idle, ready to run>

Previous results
Test case name	Result
GCM
CBC
Fastest: N/A

Slowest: N/A

Latest run results:
Run details: (Test run date: 8 months ago)
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36 Edg/139.0.0.0
Browser/OS: Chrome 139 on Windows
View result in a separate tab
Test name	Executions per second
GCM	24889.5 Ops/sec
CBC	20623.7 Ops/sec
Related benchmarks:
Web Encrypt API - Decrypt (version: 1)

Comparing performance of: GCM vs CBC

Created: 8 months ago by: Guest

Jump to the latest result

GCM

CBC

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A
