Sha256 Class Reference

#include <Sha256.hpp>

Public Member Functions
	Sha256 ()=default
	Sha256 (const Sha256 &other)=delete
	Sha256 (Sha256 &&other)=delete
	~Sha256 ()=default
Sha256 &	operator= (const Sha256 &other)=delete
Sha256 &	operator= (const Sha256 &&other)=delete
std::vector< std::byte >	digest (void *data, uint32_t length)

Private Member Functions
void	initialise ()
void	update (const uint8_t *data, uint32_t length)
std::vector< std::byte >	finalise ()
void	transform ()
void	pad ()
void	revert (std::vector< std::byte > &hash) const

Static Private Member Functions
static uint32_t	rotr (uint32_t x, uint32_t n)
static uint32_t	choose (uint32_t e, uint32_t f, uint32_t g)
static uint32_t	majority (uint32_t a, uint32_t b, uint32_t c)
static uint32_t	sig0 (uint32_t x)
static uint32_t	sig1 (uint32_t x)

Private Attributes
uint8_t	m_data [64]
uint32_t	m_blockLen
uint64_t	m_bitLen
uint32_t	m_state [8]

Static Private Attributes
static constexpr std::array< uint32_t, 64 >	K

Constructor & Destructor Documentation

Sha256() [1/3]

Sha256::Sha256 ( )

default

Sha256() [2/3]

Sha256::Sha256 ( const Sha256 & other )

delete

Sha256() [3/3]

Sha256::Sha256 ( Sha256 && other )

delete

~Sha256()

Sha256::~Sha256 ( )

default

Member Function Documentation

choose()

uint32_t Sha256::choose ( uint32_t e, uint32_t f, uint32_t g )

staticprivate

digest()

std::vector< std::byte > Sha256::digest	(	void *	data,
		uint32_t	length )

finalise()

std::vector< std::byte > Sha256::finalise ( )

private

initialise()

void Sha256::initialise ( )

private

majority()

uint32_t Sha256::majority ( uint32_t a, uint32_t b, uint32_t c )

staticprivate

operator=() [1/2]

Sha256 & Sha256::operator= ( const Sha256 && other )

delete

operator=() [2/2]

Sha256 & Sha256::operator= ( const Sha256 & other )

delete

pad()

void Sha256::pad ( )

private

revert()

void Sha256::revert ( std::vector< std::byte > & hash ) const

private

rotr()

uint32_t Sha256::rotr ( uint32_t x, uint32_t n )

staticprivate

sig0()

uint32_t Sha256::sig0 ( uint32_t x )

staticprivate

sig1()

uint32_t Sha256::sig1 ( uint32_t x )

staticprivate

transform()

void Sha256::transform ( )

private

update()

void Sha256::update ( const uint8_t * data, uint32_t length )

private

Member Data Documentation

K

std::array<uint32_t, 64> Sha256::K

staticconstexprprivate

Initial value:

= {
            0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
            0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
            0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
            0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
            0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
            0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
            0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
            0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2}

m_bitLen

uint64_t Sha256::m_bitLen

private

m_blockLen

uint32_t Sha256::m_blockLen

private

m_data

uint8_t Sha256::m_data[64]

private

m_state

uint32_t Sha256::m_state[8]

private

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

• src/crypto/Sha256.hpp
• src/crypto/Sha256.cpp