signature.c File Reference

#include "magick/studio.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/property.h"
#include "magick/image.h"
#include "magick/memory_.h"
#include "magick/quantum.h"
#include "magick/quantum-private.h"
#include "magick/signature.h"
#include "magick/string_.h"

Defines
#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	TransformSignature (SignatureInfo *)
MagickExport void	FinalizeSignature (SignatureInfo *signature_info)
MagickExport void	GetSignatureInfo (SignatureInfo *signature_info)
MagickExport MagickBooleanType	SignatureImage (Image *image)
static unsigned long	Ch (unsigned long x, unsigned long y, unsigned long z)
static unsigned long	Maj (unsigned long x, unsigned long y, unsigned long z)
static unsigned long	Trunc32 (unsigned long x)
static unsigned long	RotateRight (unsigned long x, unsigned long n)
MagickExport void	UpdateSignature (SignatureInfo *signature_info, const unsigned char *message, const size_t length)

---

Define Documentation

#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

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

MagickExport void FinalizeSignature

(

SignatureInfo *

signature_info

)

MagickExport void GetSignatureInfo

(

SignatureInfo *

signature_info

)

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

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

MagickExport MagickBooleanType SignatureImage

(

Image *

image

)

static void TransformSignature

(

SignatureInfo *

signature_info

)

[static]

static unsigned long Trunc32

(

unsigned long

x

)

[inline, static]

MagickExport void UpdateSignature	(	SignatureInfo *	signature_info,
		const unsigned char *	message,
		const size_t	length
	)

---