Util::Hash::SHA256 Class Reference

Public Member Functions
	SHA256 ()
void	update (const uint8_t *data, size_t length)
void	update (const std::string &data)
std::string	final ()
void	reset ()

Private Member Functions
void	transform ()
void	pad ()

Static Private Member Functions
static void	toBytes (uint8_t *output, const std::array< uint32_t, 8 > &input, size_t size)
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
std::array< uint32_t, 8 >	state_
uint8_t	data_ [64] = {0}
uint32_t	datalen_ = 0
uint64_t	bitlen_ = 0
const std::array< uint32_t, 64 >	k_

Detailed Description

Definition at line 81 of file Hash.H.

Constructor & Destructor Documentation

SHA256()

Util::Hash::SHA256::SHA256 ( )

inline

Definition at line 83 of file Hash.H.

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Member Function Documentation

choose()

static uint32_t Util::Hash::SHA256::choose ( uint32_t  e, uint32_t  f, uint32_t  g  )

inlinestaticprivate

Definition at line 156 of file Hash.H.

final()

std::string Util::Hash::SHA256::final ( )

inline

Definition at line 100 of file Hash.H.

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majority()

static uint32_t Util::Hash::SHA256::majority ( uint32_t  a, uint32_t  b, uint32_t  c  )

inlinestaticprivate

Definition at line 160 of file Hash.H.

pad()

void Util::Hash::SHA256::pad ( )

inlineprivate

Definition at line 202 of file Hash.H.

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reset()

void Util::Hash::SHA256::reset ( )

inline

Definition at line 114 of file Hash.H.

rotr()

static uint32_t Util::Hash::SHA256::rotr ( uint32_t  x, uint32_t  n  )

inlinestaticprivate

Definition at line 152 of file Hash.H.

sig0()

static uint32_t Util::Hash::SHA256::sig0 ( uint32_t  x )

inlinestaticprivate

Definition at line 164 of file Hash.H.

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sig1()

static uint32_t Util::Hash::SHA256::sig1 ( uint32_t  x )

inlinestaticprivate

Definition at line 168 of file Hash.H.

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toBytes()

static void Util::Hash::SHA256::toBytes ( uint8_t *  output, const std::array< uint32_t, 8 > &  input, size_t  size  )

inlinestaticprivate

Definition at line 143 of file Hash.H.

transform()

void Util::Hash::SHA256::transform ( )

inlineprivate

Definition at line 172 of file Hash.H.

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update() [1/2]

void Util::Hash::SHA256::update ( const std::string &  data )

inline

Definition at line 96 of file Hash.H.

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update() [2/2]

void Util::Hash::SHA256::update ( const uint8_t *  data, size_t  length  )

inline

Definition at line 85 of file Hash.H.

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Field Documentation

bitlen_

uint64_t Util::Hash::SHA256::bitlen_ = 0

private

Definition at line 125 of file Hash.H.

data_

uint8_t Util::Hash::SHA256::data_[64] = {0}

private

Definition at line 123 of file Hash.H.

datalen_

uint32_t Util::Hash::SHA256::datalen_ = 0

private

Definition at line 124 of file Hash.H.

k_

const std::array<uint32_t, 64> Util::Hash::SHA256::k_

private

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
    }

Definition at line 127 of file Hash.H.

state_

std::array<uint32_t, 8> Util::Hash::SHA256::state_

private

Definition at line 122 of file Hash.H.

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

• src/Util/Hash/Hash.H