sha256.c File Reference

#include "wizard/studio.h"
#include "wizard/exception.h"
#include "wizard/exception-private.h"
#include "wizard/memory_.h"
#include "wizard/sha256.h"

Data Structures
struct	_SHA256Info
Defines
#define	SHA256Blocksize   64
#define	SHA256Digestsize   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	TransformSHA256 (SHA256Info *)
WizardExport SHA256Info *	AcquireSHA256Info (void)
WizardExport SHA256Info *	DestroySHA256Info (SHA256Info *sha_info)
WizardExport void	FinalizeSHA256 (SHA256Info *sha_info)
WizardExport unsigned int	GetSHA256Blocksize (const SHA256Info *sha256_info)
WizardExport const StringInfo *	GetSHA256Digest (const SHA256Info *sha256_info)
WizardExport unsigned int	GetSHA256Digestsize (const SHA256Info *sha256_info)
WizardExport void	InitializeSHA256 (SHA256Info *sha_info)
static unsigned int	Ch (unsigned int x, unsigned int y, unsigned int z)
static unsigned int	Maj (unsigned int x, unsigned int y, unsigned int z)
static unsigned int	Trunc32 (unsigned int x)
static unsigned int	RotateRight (unsigned int x, unsigned int n)
WizardExport void	UpdateSHA256 (SHA256Info *sha_info, const StringInfo *message)

---

Define Documentation

#define SHA256Blocksize   64

Referenced by AcquireSHA256Info().

#define SHA256Digestsize   32

Referenced by AcquireSHA256Info(), and FinalizeSHA256().

#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))

---

Function Documentation

WizardExport SHA256Info* AcquireSHA256Info

(

void

)

References _SHA256Info::accumulator, AcquireQuantumMemory(), AcquireStringInfo(), AcquireWizardMemory(), _SHA256Info::blocksize, _SHA256Info::digest, _SHA256Info::digestsize, HashError, InitializeSHA256(), _SHA256Info::lsb_first, MemoryError, _SHA256Info::message, ResetWizardMemory(), SHA256Blocksize, SHA256Digestsize, _SHA256Info::signature, ThrowWizardFatalError, _SHA256Info::timestamp, WizardFalse, and WizardTrue.

Referenced by AcquireHashInfo().

static unsigned int Ch	(	unsigned int	x,
		unsigned int	y,
		unsigned int	z
	)			[inline, static]

Referenced by TransformSHA256().

WizardExport SHA256Info* DestroySHA256Info

(

SHA256Info *

sha_info

)

References _SHA256Info::accumulator, DestroyStringInfo(), _SHA256Info::digest, GetWizardModule, LogWizardEvent(), _SHA256Info::message, RelinquishWizardMemory(), _SHA256Info::signature, TraceEvent, and WizardSignature.

Referenced by DestroyHashInfo().

WizardExport void FinalizeSHA256

(

SHA256Info *

sha_info

)

References _SHA256Info::accumulator, _SHA256Info::digest, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _SHA256Info::high_order, LogWizardEvent(), _SHA256Info::low_order, _SHA256Info::message, ResetWizardMemory(), SHA256Digestsize, _SHA256Info::signature, TraceEvent, TransformSHA256(), and WizardSignature.

Referenced by FinalizeHash().

WizardExport unsigned int GetSHA256Blocksize

(

const SHA256Info *

sha256_info

)

References _SHA256Info::blocksize, CipherDomain, GetWizardModule, LogWizardEvent(), _SHA256Info::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by GetHashBlocksize().

WizardExport const StringInfo* GetSHA256Digest

(

const SHA256Info *

sha256_info

)

References _SHA256Info::digest, GetWizardModule, HashDomain, LogWizardEvent(), _SHA256Info::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by FinalizeHash().

WizardExport unsigned int GetSHA256Digestsize

(

const SHA256Info *

sha256_info

)

References CipherDomain, _SHA256Info::digestsize, GetWizardModule, LogWizardEvent(), _SHA256Info::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by AcquireHashInfo(), and GetHashDigestsize().

WizardExport void InitializeSHA256

(

SHA256Info *

sha_info

)

References _SHA256Info::accumulator, GetWizardModule, _SHA256Info::high_order, LogWizardEvent(), _SHA256Info::low_order, _SHA256Info::offset, _SHA256Info::signature, TraceEvent, and WizardSignature.

Referenced by AcquireSHA256Info(), and InitializeHash().

static unsigned int Maj	(	unsigned int	x,
		unsigned int	y,
		unsigned int	z
	)			[inline, static]

Referenced by TransformSHA256().

static unsigned int RotateRight	(	unsigned int	x,
		unsigned int	n
	)			[static]

References Trunc32().

static void TransformSHA256

(

SHA256Info *

sha_info

)

[static]

References _SHA256Info::accumulator, Ch(), GetStringInfoDatum(), _SHA256Info::lsb_first, Maj(), _SHA256Info::message, ResetWizardMemory(), Sigma0, Sigma1, Suma0, Suma1, Trunc32(), and WizardFalse.

Referenced by FinalizeSHA256(), and UpdateSHA256().

static unsigned int Trunc32

(

unsigned int

x

)

[inline, static]

Referenced by RotateRight(), TransformSHA256(), and UpdateSHA256().

WizardExport void UpdateSHA256	(	SHA256Info *	sha_info,
		const StringInfo *	message
	)

References CopyWizardMemory(), GetStringInfoDatum(), GetStringInfoLength(), _SHA256Info::high_order, _SHA256Info::low_order, _SHA256Info::message, _SHA256Info::offset, SetStringInfoDatum(), _SHA256Info::signature, TransformSHA256(), Trunc32(), and WizardSignature.

Referenced by UpdateHash().