🛠️ [TASK] : Optimize the sign function

[apskhem]

Summary

Find a way and optimize the sign function as it causes lagging on the frontend side.

Description

Regarding the lagging issue linked to compression. we reviewed the process again after the problem was addressed. While the performance issue has improved, there are still noticeable lagging in the user experience that might caused from other functions.

As we inspected, we found that the problem caused from the sign function. And we need to find a way to remedy this issue.

In the initial inspecting, we found that this function causes approx. 150ms lagging (blocking).

[dtscalac]

Closed, key derivation was identified as much bigger problem compared to the sign function. The key derivation will be optimized in #1012