Make sure secret key is a proper buffer in the browser

[arj03]

With this tribes2 is working in a browser :)

[arj03]

To add a bit more context, sodium-universal is a leaky abstraction :( On native it returns a buffer and in javascript it returns an Uint8Array. Sigh. Sodium-universal actually has exactly this example and uses:

var rnd = Buffer.allocUnsafe(12) // Cryptographically random data

instead of sodium malloc. That would also work. The Buffer.from does a copy so it's a tiny more inefficient.

[arj03]

Ok, updated to better solution.

[arj03]

Thanks for taking a look. I shall bug the mix master with no notifications once he is back.

[arj03]

@mixmix can you have a look?

[mixmix]

thanks @arj03 good to go