Crypto++
Public Member Functions | List of all members
RandomNumberGenerator Class Reference

interface for random number generators More...

#include <cryptlib.h>

Inheritance diagram for RandomNumberGenerator:
Algorithm Clonable AdditiveCipherTemplate< BASE > AdditiveCipherTemplate< AbstractPolicyHolder< AdditiveCipherAbstractPolicy, CTR_ModePolicy > > AutoSeededX917RNG< BLOCK_CIPHER > BlockingRng LC_RNG NonblockingRng PublicBlumBlumShub RandomPool Weak1::ARC4_Base X917RNG

Public Member Functions

virtual void IncorporateEntropy (const byte *input, size_t length)
 update RNG state with additional unpredictable values
 
virtual bool CanIncorporateEntropy () const
 returns true if IncorporateEntropy is implemented
 
virtual byte GenerateByte ()
 generate new random byte and return it
 
virtual unsigned int GenerateBit ()
 generate new random bit and return it More...
 
virtual word32 GenerateWord32 (word32 a=0, word32 b=0xffffffffL)
 generate a random 32 bit word in the range min to max, inclusive
 
virtual void GenerateBlock (byte *output, size_t size)
 generate random array of bytes
 
virtual void DiscardBytes (size_t n)
 generate and discard n bytes
 
virtual void GenerateIntoBufferedTransformation (BufferedTransformation &target, const std::string &channel, lword length)
 generate random bytes as input to a BufferedTransformation
 
template<class IT >
void Shuffle (IT begin, IT end)
 randomly shuffle the specified array, resulting permutation is uniformly distributed
 
virtual std::string AlgorithmName () const
 returns name of this algorithm, not universally implemented yet
 
virtual ClonableClone () const
 this is not implemented by most classes yet
 

Detailed Description

interface for random number generators

All return values are uniformly distributed over the range specified.

Definition at line 668 of file cryptlib.h.

Member Function Documentation

virtual unsigned int RandomNumberGenerator::GenerateBit ( )
virtual

generate new random bit and return it

Default implementation is to call GenerateByte() and return its lowest bit.

Reimplemented in PublicBlumBlumShub.


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