AutoSeededX917RNG< BLOCK_CIPHER > Class Template Reference

#include <osrng.h>

Inheritance diagram for AutoSeededX917RNG< BLOCK_CIPHER >:

List of all members.

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Detailed Description

template<class BLOCK_CIPHER>
class AutoSeededX917RNG< BLOCK_CIPHER >

RNG from ANSI X9.17 Appendix C, seeded using an OS provided RNG.

Definition at line 96 of file osrng.h.

Public Member Functions
	AutoSeededX917RNG (bool blocking=false)
	blocking will be ignored if the prefered RNG isn't available
void	Reseed (bool blocking=false)
void	Reseed (const byte *key, size_t keylength, const byte *seed, const byte *timeVector)
byte	GenerateByte ()
	generate new random byte and return it
virtual unsigned int	GenerateBit ()
	generate new random bit and return it
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
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 Clonable *	Clone () const
	this is not implemented by most classes yet

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Member Function Documentation

unsigned int RandomNumberGenerator::GenerateBit

(

)

[virtual, inherited]

generate new random bit and return it

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

Reimplemented in PublicBlumBlumShub.

Definition at line 117 of file cryptlib.cpp.

References RandomNumberGenerator::GenerateByte().

Referenced by XTR_FindPrimesAndGenerator().

void RandomNumberGenerator::GenerateBlock	(	byte *	output,
		size_t	size
	)			[virtual, inherited]

generate random array of bytes

Default implementation is to call GenerateByte() size times.

Reimplemented in KDF2_RNG, NonblockingRng, BlockingRng, and RandomPool.

Definition at line 122 of file cryptlib.cpp.

References RandomNumberGenerator::GenerateByte().

Referenced by PSSR_MEM_Base::ComputeMessageRepresentative(), DL_GroupParameters_DSA::GenerateRandom(), OAEP_Base::Pad(), Integer::Randomize(), PolynomialMod2::Randomize(), and ElGamalBase::SymmetricEncrypt().

void RandomNumberGenerator::DiscardBytes

(

size_t

n

)

[virtual, inherited]

generate and discard n bytes

Default implementation is to call GenerateByte() n times.

Reimplemented in ARC4_Base.

Definition at line 148 of file cryptlib.cpp.

References RandomNumberGenerator::GenerateByte().

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

• osrng.h

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