SHA256 Class Reference

#include <SHA256.h>

Public Member Functions
	SHA256 ()
virtual	~SHA256 ()
void	init ()
void	update (const unsigned char *message, unsigned int len)
void	final (unsigned char *digest)

Static Public Attributes
static const unsigned int	DIGEST_SIZE = ( 256 / 8)

Protected Types
typedef unsigned char	uint8
typedef unsigned int	uint32
typedef unsigned long long	uint64

Protected Member Functions
void	transform (const unsigned char *message, unsigned int block_nb)

Protected Attributes
unsigned int	m_tot_len
unsigned int	m_len
unsigned char	m_block [2 *SHA224_256_BLOCK_SIZE]
uint32	m_h [8]

Static Protected Attributes
static const uint32	sha256_k []
static const unsigned int	SHA224_256_BLOCK_SIZE = (512/8)

Detailed Description

Definition at line 30 of file SHA256.h.

Member Typedef Documentation

typedef unsigned int SHA256::uint32

protected

Definition at line 37 of file SHA256.h.

typedef unsigned long long SHA256::uint64

protected

Definition at line 38 of file SHA256.h.

typedef unsigned char SHA256::uint8

protected

Definition at line 36 of file SHA256.h.

Constructor & Destructor Documentation

SHA256::SHA256

(

)

Definition at line 25 of file SHA256.cc.

SHA256::~SHA256 ( )

virtual

Definition at line 30 of file SHA256.cc.

Member Function Documentation

void SHA256::final

(

unsigned char *

digest

)

Definition at line 127 of file SHA256.cc.

Referenced by sha256().

void SHA256::init

(

)

Definition at line 90 of file SHA256.cc.

Referenced by sha256().

void SHA256::transform ( const unsigned char *  message, unsigned int  block_nb  )

protected

Definition at line 52 of file SHA256.cc.

Referenced by final(), and update().

void SHA256::update	(	const unsigned char *	message,
		unsigned int	len
	)

Definition at line 104 of file SHA256.cc.

Referenced by sha256().

Member Data Documentation

const unsigned int SHA256::DIGEST_SIZE = ( 256 / 8)

static

Definition at line 46 of file SHA256.h.

Referenced by sha256().

unsigned char SHA256::m_block[2 *SHA224_256_BLOCK_SIZE]

protected

Definition at line 52 of file SHA256.h.

Referenced by final(), and update().

uint32 SHA256::m_h[8]

protected

Definition at line 53 of file SHA256.h.

Referenced by final(), init(), and transform().

unsigned int SHA256::m_len

protected

Definition at line 51 of file SHA256.h.

Referenced by final(), init(), and update().

unsigned int SHA256::m_tot_len

protected

Definition at line 50 of file SHA256.h.

Referenced by final(), init(), and update().

const unsigned int SHA256::SHA224_256_BLOCK_SIZE = (512/8)

staticprotected

Definition at line 41 of file SHA256.h.

Referenced by final(), and update().

const unsigned int SHA256::sha256_k

staticprotected

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 40 of file SHA256.h.

Referenced by transform().

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

• src/Common/SHA256.h
• src/Common/SHA256.cc