Crypto++
Public Types | Public Member Functions | Static Public Member Functions | Static Public Attributes | Protected Member Functions | Protected Attributes | List of all members
SHA256 Class Reference

implements the SHA-256 standard More...

#include <sha.h>

Inheritance diagram for SHA256:
IteratedHashWithStaticTransform< word32, BigEndian, 64, 32, SHA256, 32, true > ClonableImpl< SHA256, AlgorithmImpl< IteratedHash< word32, BigEndian, T_BlockSize >, SHA256 > > AlgorithmImpl< IteratedHash< word32, BigEndian, T_BlockSize >, SHA256 > IteratedHash< word32, BigEndian, T_BlockSize > IteratedHashBase< word32, T_Base >

Public Types

typedef BigEndian ByteOrderClass
 
typedef word32 HashWordType
 

Public Member Functions

unsigned int DigestSize () const
 
ClonableClone () const
 
std::string AlgorithmName () const
 
unsigned int BlockSize () const
 
ByteOrder GetByteOrder () const
 
unsigned int OptimalBlockSize () const
 
unsigned int OptimalDataAlignment () const
 
void Update (const byte *input, size_t length)
 
byte * CreateUpdateSpace (size_t &size)
 
void Restart ()
 
void TruncatedFinal (byte *digest, size_t size)
 

Static Public Member Functions

static void InitState (HashWordType *state)
 
static void Transform (word32 *digest, const word32 *data)
 
static const char * StaticAlgorithmName ()
 
static void CorrectEndianess (HashWordType *out, const HashWordType *in, size_t byteCount)
 

Static Public Attributes

static const int DIGESTSIZE
 
static const int BLOCKSIZE
 
static CompileAssert
<((T_BlockSize &(T_BlockSize-1))==0)> 
cryptopp_assert___LINE__
 

Protected Member Functions

void HashEndianCorrectedBlock (const word32 *data)
 
void Init ()
 
word32 * StateBuf ()
 
word32 * DataBuf ()
 
word32 GetBitCountHi () const
 
word32 GetBitCountLo () const
 
void PadLastBlock (unsigned int lastBlockSize, byte padFirst=0x80)
 
virtual size_t HashMultipleBlocks (const word32 *input, size_t length)
 
void HashBlock (const HashWordType *input)
 

Protected Attributes

FixedSizeAlignedSecBlock
< word32, T_BlockSize/sizeof(word32),
T_StateAligned > 
m_state
 
FixedSizeSecBlock< word32,
T_BlockSize/sizeof(word32)> 
m_data
 

Detailed Description

implements the SHA-256 standard

Definition at line 20 of file sha.h.


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