CSipHasher Class Reference

SipHash-2-4. More...

#include <hash.h>

Public Member Functions
	CSipHasher (uint64_t k0, uint64_t k1)
	Construct a SipHash calculator initialized with 128-bit key (k0, k1) More...
CSipHasher &	Write (uint64_t data)
	Hash a 64-bit integer worth of data It is treated as if this was the little-endian interpretation of 8 bytes. More...
CSipHasher &	Write (const unsigned char *data, size_t size)
	Hash arbitrary bytes. More...
uint64_t	Finalize () const
	Compute the 64-bit SipHash-2-4 of the data written so far. More...

Private Attributes
uint64_t	v [4]
uint64_t	tmp
int	count

Detailed Description

SipHash-2-4.

Definition at line 266 of file hash.h.

Constructor & Destructor Documentation

CSipHasher()

CSipHasher::CSipHasher	(	uint64_t	k0,
		uint64_t	k1
	)

Construct a SipHash calculator initialized with 128-bit key (k0, k1)

Definition at line 92 of file hash.cpp.

References count, k1, tmp, and v.

Member Function Documentation

Finalize()

uint64_t CSipHasher::Finalize

(

)

const

Compute the 64-bit SipHash-2-4 of the data written so far.

The object remains untouched.

Definition at line 150 of file hash.cpp.

References count, SIPROUND, tmp, and v.

Referenced by CConnman::AcceptConnection(), and CConnman::ConnectNode().

Write() [1/2]

CSipHasher & CSipHasher::Write

(

uint64_t

data

)

Hash a 64-bit integer worth of data It is treated as if this was the little-endian interpretation of 8 bytes.

This function can only be used when a multiple of 8 bytes have been written so far.

Definition at line 102 of file hash.cpp.

References count, SIPROUND, and v.

Referenced by CConnman::AcceptConnection(), CConnman::CalculateKeyedNetGroup(), CConnman::ConnectNode(), CConnman::GetDeterministicRandomizer(), and RelayAddress().

Write() [2/2]

CSipHasher & CSipHasher::Write	(	const unsigned char *	data,
		size_t	size
	)

Hash arbitrary bytes.

Definition at line 122 of file hash.cpp.

References count, SIPROUND, tmp, and v.

Member Data Documentation

count

int CSipHasher::count

private

Definition at line 271 of file hash.h.

Referenced by CSipHasher(), Finalize(), and Write().

tmp

uint64_t CSipHasher::tmp

private

Definition at line 270 of file hash.h.

Referenced by CSipHasher(), Finalize(), and Write().

v

uint64_t CSipHasher::v[4]

private

Definition at line 269 of file hash.h.

Referenced by CSipHasher(), Finalize(), and Write().

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

• src/hash.h
• src/hash.cpp