Decryption and restoration of a wsgsig parameter (js source code restoration python)

The wsgsig parameter decryption in the X applet is completed by decompiling the js from the wxpkg package and restoring the supplementary environment. The decryption and restoration (restore python from the js source code)
includes md5+ salt algorithm, custom algorithm, bit and and ASCII conversion, base64 magic code table algorithm If you are interested, please see the link below:

// e = Array.prototype.slice.call(e, 0) : Array.isArray(e) || (e = e.toString());
function x(t, e) {
   
    
    
    for (var n = [], o = 0