sha2256.c File Reference

#include "wizard/studio.h"
#include "wizard/exception.h"
#include "wizard/exception-private.h"
#include "wizard/memory_.h"
#include "wizard/sha2256.h"

Include dependency graph for sha2256.c:

Go to the source code of this file.

Data Structures
struct	_SHA2256Info

Macros
#define	SHA2256Blocksize   64
#define	SHA2256Digestsize   32
#define	Sigma0(x)   (RotateRight(x,7) ^ RotateRight(x,18) ^ Trunc32((x) >> 3))
#define	Sigma1(x)   (RotateRight(x,17) ^ RotateRight(x,19) ^ Trunc32((x) >> 10))
#define	Suma0(x)   (RotateRight(x,2) ^ RotateRight(x,13) ^ RotateRight(x,22))
#define	Suma1(x)   (RotateRight(x,6) ^ RotateRight(x,11) ^ RotateRight(x,25))

Functions
static void	TransformSHA2256 (SHA2256Info *)
WizardExport SHA2256Info *	AcquireSHA2256Info (void)
WizardExport SHA2256Info *	DestroySHA2256Info (SHA2256Info *sha_info)
WizardExport WizardBooleanType	FinalizeSHA2256 (SHA2256Info *sha_info)
WizardExport unsigned int	GetSHA2256Blocksize (const SHA2256Info *sha2256_info)
WizardExport const StringInfo *	GetSHA2256Digest (const SHA2256Info *sha2256_info)
WizardExport unsigned int	GetSHA2256Digestsize (const SHA2256Info *sha2256_info)
WizardExport WizardBooleanType	InitializeSHA2256 (SHA2256Info *sha_info)
static unsigned int	Ch (const unsigned int x, const unsigned int y, const unsigned int z)
static unsigned int	Maj (const unsigned int x, const unsigned int y, const unsigned int z)
static unsigned int	Trunc32 (const unsigned int x)
static unsigned int	RotateRight (const unsigned int x, const unsigned int n)
WizardExport WizardBooleanType	UpdateSHA2256 (SHA2256Info *sha_info, const StringInfo *message)

Macro Definition Documentation

SHA2256Blocksize

#define SHA2256Blocksize   64

Definition at line 50 of file sha2256.c.

SHA2256Digestsize

#define SHA2256Digestsize   32

Definition at line 51 of file sha2256.c.

Sigma0

#define Sigma0

(

x

)

(RotateRight(x,7) ^ RotateRight(x,18) ^ Trunc32((x) >> 3))

Sigma1

#define Sigma1

(

x

)

(RotateRight(x,17) ^ RotateRight(x,19) ^ Trunc32((x) >> 10))

Suma0

#define Suma0

(

x

)

(RotateRight(x,2) ^ RotateRight(x,13) ^ RotateRight(x,22))

Suma1

#define Suma1

(

x

)

(RotateRight(x,6) ^ RotateRight(x,11) ^ RotateRight(x,25))

Function Documentation

AcquireSHA2256Info()

WizardExport SHA2256Info * AcquireSHA2256Info

(

void

)

Definition at line 108 of file sha2256.c.

References _SHA2256Info::accumulator, AcquireQuantumMemory(), AcquireStringInfo(), AcquireWizardMemory(), _SHA2256Info::blocksize, _SHA2256Info::digest, _SHA2256Info::digestsize, HashError, InitializeSHA2256(), _SHA2256Info::lsb_first, MemoryError, _SHA2256Info::message, SHA2256Blocksize, SHA2256Digestsize, _SHA2256Info::signature, ThrowWizardFatalError, _SHA2256Info::timestamp, WizardFalse, WizardSignature, and WizardTrue.

Referenced by AcquireHashInfo().

Ch()

static unsigned int Ch ( const unsigned int  x, const unsigned int  y, const unsigned int  z  )

inlinestatic

Definition at line 423 of file sha2256.c.

DestroySHA2256Info()

WizardExport SHA2256Info * DestroySHA2256Info

(

SHA2256Info *

sha_info

)

Definition at line 159 of file sha2256.c.

References _SHA2256Info::accumulator, DestroyStringInfo(), _SHA2256Info::digest, GetWizardModule, LogWizardEvent(), _SHA2256Info::message, RelinquishWizardMemory(), _SHA2256Info::signature, TraceEvent, and WizardSignature.

Referenced by DestroyHashInfo().

FinalizeSHA2256()

WizardExport WizardBooleanType FinalizeSHA2256

(

SHA2256Info *

sha_info

)

Definition at line 198 of file sha2256.c.

References _SHA2256Info::accumulator, _SHA2256Info::digest, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _SHA2256Info::high_order, LogWizardEvent(), _SHA2256Info::low_order, _SHA2256Info::message, SHA2256Digestsize, _SHA2256Info::signature, TraceEvent, TransformSHA2256(), WizardSignature, and WizardTrue.

Referenced by FinalizeHash().

GetSHA2256Blocksize()

WizardExport unsigned int GetSHA2256Blocksize

(

const SHA2256Info *

sha2256_info

)

Definition at line 291 of file sha2256.c.

References _SHA2256Info::blocksize, CipherDomain, GetWizardModule, LogWizardEvent(), _SHA2256Info::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by GetHashBlocksize().

GetSHA2256Digest()

WizardExport const StringInfo * GetSHA2256Digest

(

const SHA2256Info *

sha2256_info

)

Definition at line 321 of file sha2256.c.

References _SHA2256Info::digest, GetWizardModule, HashDomain, LogWizardEvent(), _SHA2256Info::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by FinalizeHash().

GetSHA2256Digestsize()

WizardExport unsigned int GetSHA2256Digestsize

(

const SHA2256Info *

sha2256_info

)

Definition at line 351 of file sha2256.c.

References CipherDomain, _SHA2256Info::digestsize, GetWizardModule, LogWizardEvent(), _SHA2256Info::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by AcquireHashInfo(), and GetHashDigestsize().

InitializeSHA2256()

WizardExport WizardBooleanType InitializeSHA2256

(

SHA2256Info *

sha_info

)

Definition at line 381 of file sha2256.c.

References _SHA2256Info::accumulator, GetWizardModule, _SHA2256Info::high_order, LogWizardEvent(), _SHA2256Info::low_order, _SHA2256Info::offset, _SHA2256Info::signature, TraceEvent, WizardSignature, and WizardTrue.

Referenced by AcquireSHA2256Info(), and InitializeHash().

Maj()

static unsigned int Maj ( const unsigned int  x, const unsigned int  y, const unsigned int  z  )

inlinestatic

Definition at line 429 of file sha2256.c.

RotateRight()

static unsigned int RotateRight ( const unsigned int  x, const unsigned int  n  )

static

Definition at line 440 of file sha2256.c.

References Trunc32.

TransformSHA2256()

static void TransformSHA2256 ( SHA2256Info *  sha_info )

static

Definition at line 445 of file sha2256.c.

References _SHA2256Info::accumulator, Ch, F(), G(), GetStringInfoDatum(), H(), _SHA2256Info::lsb_first, Maj, _SHA2256Info::message, Sigma0, Sigma1, Suma0, Suma1, Trunc32, and WizardFalse.

Referenced by FinalizeSHA2256(), and UpdateSHA2256().

Trunc32()

static unsigned int Trunc32 ( const unsigned int  x )

inlinestatic

Definition at line 435 of file sha2256.c.

UpdateSHA2256()

WizardExport WizardBooleanType UpdateSHA2256	(	SHA2256Info *	sha_info,
		const StringInfo *	message
	)

Definition at line 613 of file sha2256.c.

References CopyWizardMemory(), GetStringInfoDatum(), GetStringInfoLength(), _SHA2256Info::high_order, _SHA2256Info::low_order, _SHA2256Info::message, _SHA2256Info::offset, SetStringInfoDatum(), _SHA2256Info::signature, TransformSHA2256(), Trunc32, WizardSignature, and WizardTrue.

Referenced by UpdateHash().