dojox/math/random/prng4.js

• Provides:

  • dojox.math.random.prng4

• i

  • summary

• j

  • summary

• S

  • summary

• dojox.math.random.prng4.size

  • summary

• dojox.math.random.prng4

  • type

    Function

  • source: [view]
      return new Arcfour();
  • summary

• Arcfour.init

  • type

    Function

  • parameters:
    • key: (typeof Array)

      an array of ints, each from [0..255]

  • source: [view]
       var i, j, t, S = this.S, len = key.length;
       for(i = 0; i < 256; ++i){
        S[i] = i;
       }
       j = 0;
       for(i = 0; i < 256; ++i){
        j = (j + S[i] + key[i % len]) & 255;
        t = S[i];
        S[i] = S[j];
        S[j] = t;
       }
       this.i = 0;
       this.j = 0;
  • summary

    Initialize arcfour context

• Arcfour.i

  • summary

• Arcfour.j

  • summary

• Arcfour.next

  • type

    Function

  • source: [view]
       var t, i, j, S = this.S;
       this.i = i = (this.i + 1) & 255;
       this.j = j = (this.j + S[i]) & 255;
       t = S[i];
       S[i] = S[j];
       S[j] = t;
       return S[(t + S[i]) & 255];
  • summary

• dojox.math.random

  • type

    Object

  • summary

• dojox.math

  • type

    Object

  • summary

• dojox

  • type

    Object

  • summary