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X917RNG Class Reference

#include <rng.h>

Inheritance diagram for X917RNG:

RandomNumberGenerator Algorithm Clonable List of all members.

Detailed Description

RNG derived from ANSI X9.17 Appendix C.

Definition at line 32 of file rng.h.

Public Member Functions

 X917RNG (BlockTransformation *cipher, const byte *seed, unsigned long deterministicTimeVector=0)
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, unsigned int size)
 generate random array of bytes

virtual void DiscardBytes (unsigned int 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 ClonableClone () const
 this is not implemented by most classes yet


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 83 of file cryptlib.cpp.

References RandomNumberGenerator::GenerateByte().

void RandomNumberGenerator::GenerateBlock byte *  output,
unsigned int  size
[virtual, inherited]
 

generate random array of bytes

Default implementation is to call GenerateByte() size times.

Reimplemented in NonblockingRng, and RandomPool.

Definition at line 88 of file cryptlib.cpp.

References RandomNumberGenerator::GenerateBlock(), and RandomNumberGenerator::GenerateByte().

Referenced by RandomNumberGenerator::GenerateBlock(), and DL_GroupParameters_DSA::GenerateRandom().

void RandomNumberGenerator::DiscardBytes unsigned int  n  )  [virtual, inherited]
 

generate and discard n bytes

Default implementation is to call GenerateByte() n times.

Reimplemented in ARC4_Base.

Definition at line 114 of file cryptlib.cpp.

References RandomNumberGenerator::DiscardBytes(), and RandomNumberGenerator::GenerateByte().

Referenced by RandomNumberGenerator::DiscardBytes().


The documentation for this class was generated from the following files:
Generated on Fri Aug 13 09:57:00 2004 for Crypto++ by doxygen 1.3.7