Encryption fails on Safari

[sils]

Hey,

we use this in our app and it works great in web and mobile - except on Safari (mobile and desktop).

Here's a screenshot of the respective error in the JS console:

In our code we're essentially doing this:

return await RSA.encryptPKCS1v15(message, publicKey);

[sils]

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/instantiateStreaming it seems this is supported by safari 15 upwards which only got released half a year ago, checking with our testers. Seems safari users are just a little old fashioned... yet they are likely a not too insignificant portion of the mobile userbase.

I wonder if there's a way to make it backwards compatible...

[jerson]

Hey @sils thanks for report the issue, I think i can replace instantiateStreaming using

fetch('simple.wasm').then(response =>
  response.arrayBuffer()
).then(bytes =>
  WebAssembly.instantiate(bytes, importObject)
)

let me run some tests here and then we will be supporting from Safari 11

[jerson]

Update: Please try this new version https://pub.dev/packages/fast_rsa/versions/3.4.7

main changes 65620f5#diff-2fdc69bca430e9590568563c103bfc3a1b1460a46c7eaefc51c8cd3fe7cd6881R5-R57

[jerson]

@sils any news on this, did you already tested ?

[sils]

Yep, this works!