✨ Add blake3 support

[XChikuX]

What feature or enhancement are you suggesting?

Blake3 is THE modern hashing algorithm out there.

There are plenty of opensource contributions toward blake3.

One such example is: https://github.com/connor4312/blake3

Could we please port it to work with react-native as well. I sorely miss this feature as it would be a great security add one. Especially for tagging images on users' phones directly.

I also use it to make secure HMACs:

async function makeHmac(msg: string, derivedKey: string): Promise<string> {
  const hashFunc = createBLAKE3(256);
  const hmac = await createHMAC(hashFunc, derivedKey);

  hmac.init();
  hmac.update(msg);
  const hmacResult = hmac.digest();

  const token = `Bearer ${hmacResult};${msg}`;
  return token;
}

Thanks!

What Platforms whould this feature/enhancement affect?

iOS, Android

Alternatives/Workarounds

There are no current workarounds except, very messily trying to connect a wasm implementation over react-native-react-bridge.

However, this approach is something I could not even get a basic example working.

Additional information

• I agree to follow this project's Code of Conduct
• I searched for similar feature requests in this repository and found none.

[salieflewis]

What do you mean by "tagging images on users' phones directly"?

[XChikuX]

I currently use blake3 for identifying image names in my backend. Whatever file the user uploads undergoes a blake3 hash and the hash is used to retrieve the image from s3.

I'd like to cross verify that the image is indeed it's name. By recomputing the hash on my side.

I know I can change this to SHA256. But I'm looking at bigger files in the future I'd like to tackle the same way.

[salieflewis]

I currently use blake3 for identifying image names in my backend. Whatever file the user uploads undergoes a blake3 hash and the hash is used to retrieve the image from s3.

I'd like to cross verify that the image is indeed it's name. By recomputing the hash on my side.

I know I can change this to SHA256. But I'm looking at bigger files in the future I'd like to tackle the same way.

Ahh cool. We do similar things for https://river.site/