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a guest Apr 20th, 2019 85 Never
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  1. generateClientKey(ip, x){
  2.         if(!ip.length || !x.byteLength) return null
  3.         let a = null
  4.         let b = 1540483477
  5.         let c = ip.match(/(ws+:\/\/)([^:]*)(:\d+)/)[2]
  6.         let d = c.length + x.byteLength
  7.         let e = new Uint8Array(d)
  8.         for(let i = 0; i < c.length; i++) e[i] = c.charCodeAt(i)
  9.         e.set(x, c.length)
  10.         let f = new DataView(e.buffer)
  11.         let g = d - 1
  12.         let h = (g - 4 & -4) + 4 | 0
  13.         let i = g ^ 255
  14.         let j = 0
  15.         while(g > 3){
  16.             a = Math.imul(f.getInt32(j, true), b) | 0
  17.             i = (Math.imul(a >>> 24 ^ a, b) | 0) ^ (Math.imul(i, b) | 0)
  18.             g -= 4
  19.             j += 4
  20.         }
  21.         switch(g){
  22.             case 3:
  23.                 i = e[h + 2] << 16 ^ i
  24.                 i = e[h + 1] << 8 ^ i
  25.                 break
  26.             case 2:
  27.                 i = e[h + 1] << 8 ^ i
  28.                 break
  29.             case 1:
  30.                 break
  31.             default:
  32.                 a = i
  33.         }
  34.         if(a !== i) a = Math.imul(e[h] ^ i, b) | 0
  35.         i = a >>> 13
  36.         a = i ^ a
  37.         a = Math.imul(a, b) | 0
  38.         i = a >>> 15
  39.         a = i ^ a
  40.         return a
  41.     }
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