Benchmark: crypto-subtle and md5

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/sjcl/1.0.6/sjcl.min.js"></script>
<script
 src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/crypto-js.min.js"></script>

Script Preparation code:

var data = new Uint32Array(1024);
  window.crypto.getRandomValues(data);
  var dataBuffer = new Uint8Array(data);
  data = String.fromCharCode.apply(null, dataBuffer);
  
  
  // src: https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest
  function hex(buffer) {
    var hexCodes = [];
    var view = new DataView(buffer);
    for (var i = 0; i < view.byteLength; i += 4) {
      // Using getUint32 reduces the number of iterations needed (we process 4 bytes each time)
      var value = view.getUint32(i)
      // toString(16) will give the hex representation of the number without padding
      var stringValue = value.toString(16)
      // We use concatenation and slice for padding
      var padding = '00000000'
      var paddedValue = (padding + stringValue).slice(-padding.length)
      hexCodes.push(paddedValue);
    }
  
    // Join all the hex strings into one
    return hexCodes.join("");
  }

Tests:

Crypto.js
CryptoJS.SHA256(data);
window.crypto SHA-256
crypto.subtle.digest("SHA-256", dataBuffer ).then(function (hash) {console.log(hex(hash));});
MD5 crypto
crypto.subtle.digest("SHA-256", dataBuffer ).then(function (hash) {console.log(hex(hash));});
md5 js
CryptoJS.MD5(data);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Crypto.js
window.crypto SHA-256
MD5 crypto
md5 js

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one month ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36 Edg/148.0.0.0

Browser/OS: Chrome 148 on Windows

View result in a separate tab

Test name	Executions per second
Crypto.js	13630.3 Ops/sec
window.crypto SHA-256	163443.0 Ops/sec
MD5 crypto	170362.5 Ops/sec
md5 js	19886.2 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark JSON and explain what's being tested.

**Benchmark Definition**

The benchmark defines four test cases:

1. `Crypto.js`: This test case uses the `CryptoJS` library to compute the SHA-256 hash of a input data.
2. `window.crypto SHA-256`: This test case uses the Web Cryptography API (`crypto.subtle`) to compute the SHA-256 hash of an input data.
3. `MD5 crypto`: This test case uses the `crypto.subtle` API to compute the MD5 hash of an input data, which is similar to SHA-256 but has a different algorithm.
4. `md5 js`: This test case uses a custom implementation of the MD5 algorithm from the `crypto-js` library.

**Options compared**

The benchmark compares the performance of each test case:

* `Crypto.js` vs. `window.crypto SHA-256`
* `window.crypto SHA-256` vs. `MD5 crypto`
* `window.crypto SHA-256` vs. `md5 js`

**Pros and Cons**

Here's a brief summary of the pros and cons of each approach:

1. **Crypto.js**:
	* Pros: Easy to use, widely supported, and well-maintained.
	* Cons: May not be as efficient as native implementations or Web Cryptography API.
2. **window.crypto SHA-256**:
	* Pros: Native implementation, highly optimized, and secure.
	* Cons: Requires modern browsers with Web Cryptography support.
3. **MD5 crypto**:
	* Pros: Similar to SHA-256 but may be faster due to its smaller algorithm size.
	* Cons: Not as widely supported or secure as SHA-256.
4. **md5 js**:
	* Pros: Easy to use, widely available, and well-maintained.
	* Cons: May not be as efficient as native implementations or Web Cryptography API.

**Library and purpose**

The `crypto-js` library is a JavaScript library that provides a wide range of cryptographic functions, including hashing. The library aims to simplify the process of working with cryptography in web applications.

The `crypto.subtle` API is a part of the Web Cryptography API, which provides a way for web developers to use cryptographic primitives like hash functions, encryption, and digital signatures in their applications.

**Special JS features**

No special JavaScript features are mentioned in this benchmark.

Related benchmarks:

crypto-subtle and md5 (version: 0)

Comparing performance of: Crypto.js vs window.crypto SHA-256 vs MD5 crypto vs md5 js

Created: 3 years ago by: Guest

Jump to the latest result

Crypto.js

window.crypto SHA-256

MD5 crypto

md5 js

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):