probdist

package
Version: v0.0.0-...-08f4d47 Latest Latest
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Published: Nov 3, 2018 License: BSD-2-Clause, BSD-3-Clause Imports: 7 Imported by: 0

Documentation

Overview

Package probdist implements a weighted probability distribution suitable for protocol parameterization. To allow for easy reproduction of a given distribution, the drbg package is used as the random number source.

Index

Constants

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Variables

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Functions

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Types

type WeightedDist

type WeightedDist struct {
	sync.Mutex
	// contains filtered or unexported fields
}

WeightedDist is a weighted distribution.

func New

func New(seed *drbg.Seed, min, max int, biased bool) (w *WeightedDist)

New creates a weighted distribution of values ranging from min to max based on a HashDrbg initialized with seed. Optionally, bias the weight generation to match the ScrambleSuit non-uniform distribution from obfsproxy.

func (*WeightedDist) Reset

func (w *WeightedDist) Reset(seed *drbg.Seed)

Reset generates a new distribution with the same min/max based on a new seed.

func (*WeightedDist) Sample

func (w *WeightedDist) Sample() int

Sample generates a random value according to the distribution.

func (*WeightedDist) String

func (w *WeightedDist) String() string

String returns a dump of the distribution table.

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