#include "random.h"
#include "support/cleanse.h"
#include "serialize.h"
#include "util.h"
#include "utilstrencodings.h"
#include <limits>
#include <sys/time.h>
#include <openssl/err.h>
#include <openssl/rand.h>

Functions
static int64_t	GetPerformanceCounter ()

void	RandAddSeed ()

void	RandAddSeedPerfmon ()

void	GetRandBytes (unsigned char *buf, int num)

uint64_t	GetRand (uint64_t nMax)

int	GetRandInt (int nMax)

uint256	GetRandHash ()

void	seed_insecure_rand (bool fDeterministic)

Variables
uint32_t	insecure_rand_Rz = 11

uint32_t	insecure_rand_Rw = 11

Function Documentation

◆ GetPerformanceCounter()

static int64_t GetPerformanceCounter ( )

inlinestatic

Definition at line 25 of file random.cpp.

Referenced by RandAddSeed().

◆ GetRand()

uint64_t GetRand ( uint64_t nMax )

Definition at line 94 of file random.cpp.

Referenced by AdvertiseLocal(), ConnectSocketByName(), convertSeed6(), GetRandInt(), PoissonNextSend(), ProcessMessage(), CWallet::ResendWalletTransactions(), CRollingBloomFilter::reset(), and CConnman::ThreadDNSAddressSeed().

◆ GetRandBytes()

void GetRandBytes	(	unsigned char *	buf,
		int	num
	)

Functions to gather random data via the OpenSSL PRNG

Definition at line 86 of file random.cpp.

Referenced by CNode::CalculateKeyedNetGroup(), CNode::CNode(), CDBWrapper::CreateObfuscateKey(), ECC_Start(), CWallet::EncryptWallet(), CMnemonic::Generate(), GenerateAuthCookie(), CKeePassIntegrator::generateRandomKey(), GetRand(), GetRandHash(), InsecureRand::InsecureRand(), CKey::MakeNewKey(), TorController::protocolinfo_cb(), seed_insecure_rand(), SendMessages(), CKey::VerifyPubKey(), CAddrDB::Write(), and CBanDB::Write().

◆ GetRandHash()

uint256 GetRandHash ( )

Definition at line 114 of file random.cpp.

Referenced by CAddrMan::Clear(), LimitOrphanTxSize(), RelayAddress(), and SendMessages().

◆ GetRandInt()

int GetRandInt ( int nMax )

Definition at line 109 of file random.cpp.

Referenced by CPrivateSendServer::ChargeFees(), CPrivateSendServer::ChargeRandomFees(), CMasternodeMan::CheckAndRemove(), CPrivateSendServer::CreateNewSession(), CWallet::CreateTransaction(), CPrivateSendClient::DoAutomaticDenominating(), CPrivateSend::GetDenominations(), CPrivateSendClient::PrepareDenominate(), CAddrMan::RandomInt(), CGovernanceManager::RequestGovernanceObject(), CWallet::SelectCoinsByDenominations(), CWallet::SelectCoinsMinConf(), CMasternodeMan::SendVerifyRequest(), ThreadCheckPrivateSendClient(), and CConnman::ThreadOpenConnections().

◆ RandAddSeed()

void RandAddSeed ( )

Seed OpenSSL PRNG with additional entropy data

Definition at line 38 of file random.cpp.

Referenced by CInit::CInit(), and RandAddSeedPerfmon().

◆ RandAddSeedPerfmon()

void RandAddSeedPerfmon ( )

Definition at line 46 of file random.cpp.

Referenced by AppInit2(), CWallet::EncryptWallet(), CKeePassIntegrator::generateRandomKey(), CKey::MakeNewKey(), and ProcessMessage().

◆ seed_insecure_rand()

void seed_insecure_rand ( bool fDeterministic = false )

Seed insecure_rand using the random pool.

Parameters

Deterministic Use a deterministic seed

Definition at line 123 of file random.cpp.

Referenced by AppInit2(), and ApproximateBestSubset().

Variable Documentation

◆ insecure_rand_Rw

uint32_t insecure_rand_Rw = 11

Definition at line 122 of file random.cpp.

Referenced by insecure_rand(), and seed_insecure_rand().

◆ insecure_rand_Rz

uint32_t insecure_rand_Rz = 11

MWC RNG of George Marsaglia This is intended to be fast. It has a period of 2^59.3, though the least significant 16 bits only have a period of about 2^30.1.

Returns: random value

Definition at line 121 of file random.cpp.