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"

Include dependency graph for sha256.c:

Go to the source code of this file.

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

Definition at line 50 of file sha256.c.

Referenced by AcquireSHA256Info().

#define SHA256Digestsize   32

Definition at line 51 of file sha256.c.

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

)

Definition at line 108 of file sha256.c.

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

Referenced by AcquireHashInfo().

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

Definition at line 419 of file sha256.c.

Referenced by TransformSHA256().

WizardExport SHA256Info* DestroySHA256Info

(

SHA256Info *

sha_info

)

Definition at line 159 of file sha256.c.

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

Referenced by DestroyHashInfo().

WizardExport void FinalizeSHA256

(

SHA256Info *

sha_info

)

Definition at line 198 of file sha256.c.

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

Referenced by FinalizeHash().

WizardExport unsigned int GetSHA256Blocksize

(

const SHA256Info *

sha256_info

)

Definition at line 288 of file sha256.c.

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

Referenced by GetHashBlocksize().

WizardExport const StringInfo* GetSHA256Digest

(

const SHA256Info *

sha256_info

)

Definition at line 318 of file sha256.c.

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

Referenced by FinalizeHash().

WizardExport unsigned int GetSHA256Digestsize

(

const SHA256Info *

sha256_info

)

Definition at line 348 of file sha256.c.

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

Referenced by AcquireHashInfo(), and GetHashDigestsize().

WizardExport void InitializeSHA256

(

SHA256Info *

sha_info

)

Definition at line 378 of file sha256.c.

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

Referenced by InitializeHash(), and AcquireSHA256Info().

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

Definition at line 424 of file sha256.c.

Referenced by TransformSHA256().

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

Definition at line 434 of file sha256.c.

References Trunc32().

static void TransformSHA256

(

SHA256Info *

sha_info

)

[static]

Definition at line 439 of file sha256.c.

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

Referenced by FinalizeSHA256(), and UpdateSHA256().

static unsigned int Trunc32

(

unsigned int

x

)

[inline, static]

Definition at line 429 of file sha256.c.

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

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

Definition at line 606 of file sha256.c.

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

Referenced by UpdateHash().