NewGamePhysics.Physics.AdvancedEntropyCollector Class Reference

Extracts entropy from an array of floating point values of physical processes (measurements or simulations fed by physical processes). Uses a recursive partition scheme and the AMLS unbiaser to extract random bits from the values. The submissions of the values will yield usable entropy if: if the value changes sufficiently much between submissions the submissions are independent from the value generation either the value source or the submission trigger is based on a real physical random process (i.e. uncorrelated user trigger). More...

List of all members.

Public Member Functions

 AdvancedEntropyCollector ()
 Default constructor.
void Reset ()
 Reset collector to initial state.
void AddValue (double value)
 Adds a float value to the collector.
override string ToString ()
 Return the current value pool as unbiased entropy bits in a string of 0 and 1 characters. Does not reset or modify the value pool.

Properties

int ValuePoolSize [get]
 Returns the number of collected values for entropy generation.

Detailed Description

Extracts entropy from an array of floating point values of physical processes (measurements or simulations fed by physical processes). Uses a recursive partition scheme and the AMLS unbiaser to extract random bits from the values. The submissions of the values will yield usable entropy if: if the value changes sufficiently much between submissions the submissions are independent from the value generation either the value source or the submission trigger is based on a real physical random process (i.e. uncorrelated user trigger).

Definition at line 27 of file AdvancedEntropyCollector.cs.

Constructor & Destructor Documentation

NewGamePhysics.Physics.AdvancedEntropyCollector.AdvancedEntropyCollector (  ) 

Default constructor.

Definition at line 42 of file AdvancedEntropyCollector.cs.

00043         {
00044             // Initialize value collector
00045             this.valuePool = new List<double>();
00046             
00047             // Create unbiaser using partitioning algorithm
00048             this.unbiaser = new ValueUnbiaser(ValueUnbiasAlgorithm.Partition);
00049 
00050         }

Member Function Documentation

void NewGamePhysics.Physics.AdvancedEntropyCollector.AddValue ( double  value  ) 

Adds a float value to the collector.

Parameters:
value Value to add.

Definition at line 73 of file AdvancedEntropyCollector.cs.

00074         {
00075             valuePool.Add(value);
00076         }

void NewGamePhysics.Physics.AdvancedEntropyCollector.Reset (  ) 

Reset collector to initial state.

Definition at line 63 of file AdvancedEntropyCollector.cs.

00064         {
00065             // Clear value pool
00066             valuePool.Clear();
00067         }

override string NewGamePhysics.Physics.AdvancedEntropyCollector.ToString (  ) 

Return the current value pool as unbiased entropy bits in a string of 0 and 1 characters. Does not reset or modify the value pool.

Returns:
The current value pool as entropy bit string.

Definition at line 84 of file AdvancedEntropyCollector.cs.

00085         {
00086             if (this.valuePool.Count > 2)
00087             {
00088                 return this.unbiaser.Extract(this.valuePool.ToArray());
00089             }
00090             else
00091             {
00092                 return string.Empty;
00093             }
00094 
00095         }

Property Documentation

int NewGamePhysics.Physics.AdvancedEntropyCollector.ValuePoolSize [get]

Returns the number of collected values for entropy generation.

Definition at line 56 of file AdvancedEntropyCollector.cs.

The documentation for this class was generated from the following file:
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