MagickCore
7.0.0
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#include "MagickCore/studio.h"
#include "MagickCore/cache.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/property.h"
#include "MagickCore/image.h"
#include "MagickCore/memory_.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/quantum.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/signature.h"
#include "MagickCore/signature-private.h"
#include "MagickCore/string_.h"
Go to the source code of this file.
Data Structures | |
struct | _SignatureInfo |
Macros | |
#define | SignatureBlocksize 64 |
#define | SignatureDigestsize 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 | TransformSignature (SignatureInfo *) |
MagickPrivate SignatureInfo * | AcquireSignatureInfo (void) |
MagickPrivate SignatureInfo * | DestroySignatureInfo (SignatureInfo *signature_info) |
MagickPrivate void | FinalizeSignature (SignatureInfo *signature_info) |
MagickPrivate unsigned int | GetSignatureBlocksize (const SignatureInfo *signature_info) |
MagickPrivate const StringInfo * | GetSignatureDigest (const SignatureInfo *signature_info) |
MagickPrivate unsigned int | GetSignatureDigestsize (const SignatureInfo *signature_info) |
MagickPrivate void | InitializeSignature (SignatureInfo *signature_info) |
MagickPrivate void | SetSignatureDigest (SignatureInfo *signature_info, const StringInfo *digest) |
MagickExport MagickBooleanType | SignatureImage (Image *image, ExceptionInfo *exception) |
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) |
MagickPrivate void | UpdateSignature (SignatureInfo *signature_info, const StringInfo *message) |
#define Sigma0 | ( | x | ) | (RotateRight(x,7) ^ RotateRight(x,18) ^ Trunc32((x) >> 3)) |
Referenced by TransformSignature().
#define Sigma1 | ( | x | ) | (RotateRight(x,17) ^ RotateRight(x,19) ^ Trunc32((x) >> 10)) |
Referenced by TransformSignature().
#define SignatureBlocksize 64 |
Definition at line 58 of file signature.c.
Referenced by AcquireSignatureInfo().
#define SignatureDigestsize 32 |
Definition at line 59 of file signature.c.
Referenced by AcquireSignatureInfo(), and FinalizeSignature().
#define Suma0 | ( | x | ) | (RotateRight(x,2) ^ RotateRight(x,13) ^ RotateRight(x,22)) |
Referenced by TransformSignature().
#define Suma1 | ( | x | ) | (RotateRight(x,6) ^ RotateRight(x,11) ^ RotateRight(x,25)) |
Referenced by TransformSignature().
MagickPrivate SignatureInfo* AcquireSignatureInfo | ( | void | ) |
Definition at line 116 of file signature.c.
References _SignatureInfo::accumulator, AcquireMagickMemory(), AcquireQuantumMemory(), AcquireStringInfo(), _SignatureInfo::blocksize, _SignatureInfo::digest, _SignatureInfo::digestsize, InitializeSignature(), _SignatureInfo::lsb_first, MagickFalse, MagickSignature, MagickTrue, _SignatureInfo::message, ResetMagickMemory(), ResourceLimitFatalError, _SignatureInfo::signature, SignatureBlocksize, SignatureDigestsize, ThrowFatalException, and _SignatureInfo::timestamp.
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inlinestatic |
Definition at line 589 of file signature.c.
Referenced by TransformSignature().
MagickPrivate SignatureInfo* DestroySignatureInfo | ( | SignatureInfo * | signature_info | ) |
Definition at line 168 of file signature.c.
References _SignatureInfo::accumulator, DestroyStringInfo(), _SignatureInfo::digest, GetMagickModule, LogMagickEvent(), MagickSignature, _SignatureInfo::message, RelinquishMagickMemory(), _SignatureInfo::signature, and TraceEvent.
Referenced by AcquireRandomInfo(), DestroyRandomInfo(), HashStringInfoType(), HashStringType(), and SignatureImage().
MagickPrivate void FinalizeSignature | ( | SignatureInfo * | signature_info | ) |
Definition at line 207 of file signature.c.
References _SignatureInfo::accumulator, _SignatureInfo::digest, GetMagickModule, GetStringInfoDatum(), GetStringInfoLength(), _SignatureInfo::high_order, LogMagickEvent(), _SignatureInfo::low_order, MagickSignature, _SignatureInfo::message, ResetMagickMemory(), _SignatureInfo::signature, SignatureDigestsize, TraceEvent, and TransformSignature().
MagickPrivate unsigned int GetSignatureBlocksize | ( | const SignatureInfo * | signature_info | ) |
Definition at line 297 of file signature.c.
References _SignatureInfo::blocksize, GetMagickModule, LogMagickEvent(), MagickSignature, _SignatureInfo::signature, and TraceEvent.
MagickPrivate const StringInfo* GetSignatureDigest | ( | const SignatureInfo * | signature_info | ) |
Definition at line 328 of file signature.c.
References _SignatureInfo::digest, GetMagickModule, LogMagickEvent(), MagickSignature, _SignatureInfo::signature, and TraceEvent.
Referenced by AcquireRandomInfo(), HashStringInfoType(), HashStringType(), SetRandomKey(), and SignatureImage().
MagickPrivate unsigned int GetSignatureDigestsize | ( | const SignatureInfo * | signature_info | ) |
Definition at line 359 of file signature.c.
References _SignatureInfo::digestsize, GetMagickModule, LogMagickEvent(), MagickSignature, _SignatureInfo::signature, and TraceEvent.
Referenced by AcquireRandomInfo(), and SetRandomKey().
MagickPrivate void InitializeSignature | ( | SignatureInfo * | signature_info | ) |
Definition at line 390 of file signature.c.
References _SignatureInfo::accumulator, GetMagickModule, _SignatureInfo::high_order, LogMagickEvent(), _SignatureInfo::low_order, MagickSignature, _SignatureInfo::offset, _SignatureInfo::signature, and TraceEvent.
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inlinestatic |
Definition at line 594 of file signature.c.
Referenced by TransformSignature().
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static |
Definition at line 604 of file signature.c.
References Trunc32().
MagickPrivate void SetSignatureDigest | ( | SignatureInfo * | signature_info, |
const StringInfo * | digest | ||
) |
Definition at line 433 of file signature.c.
References _SignatureInfo::digest, MagickSignature, SetStringInfo(), and _SignatureInfo::signature.
MagickExport MagickBooleanType SignatureImage | ( | Image * | image, |
ExceptionInfo * | exception | ||
) |
Definition at line 471 of file signature.c.
References AcquireSignatureInfo(), AcquireStringInfo(), AcquireVirtualCacheView(), _Image::columns, _Image::debug, DeleteImageProperty(), DestroyCacheView(), DestroySignatureInfo(), DestroyString(), DestroyStringInfo(), _Image::filename, FinalizeSignature(), GetCacheViewVirtualPixels(), GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetPixelReadMask(), GetSignatureDigest(), GetStringInfoDatum(), LogMagickEvent(), MagickFalse, MagickSignature, MagickTrue, QuantumScale, _Image::rows, SetImageProperty(), SetStringInfoLength(), _Image::signature, StringInfoToHexString(), TraceEvent, UndefinedPixelTrait, and UpdateSignature().
Referenced by GetMagickPropertyLetter(), and IdentifyImage().
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static |
Definition at line 609 of file signature.c.
References _SignatureInfo::accumulator, Ch(), GetStringInfoDatum(), _SignatureInfo::lsb_first, MagickFalse, Maj(), _SignatureInfo::message, ResetMagickMemory(), Sigma0, Sigma1, Suma0, Suma1, and Trunc32().
Referenced by FinalizeSignature(), and UpdateSignature().
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inlinestatic |
Definition at line 599 of file signature.c.
Referenced by RotateRight(), TransformSignature(), and UpdateSignature().
MagickPrivate void UpdateSignature | ( | SignatureInfo * | signature_info, |
const StringInfo * | message | ||
) |
Definition at line 776 of file signature.c.
References CopyMagickMemory(), GetStringInfoDatum(), GetStringInfoLength(), _SignatureInfo::high_order, _SignatureInfo::low_order, MagickSignature, _SignatureInfo::message, _SignatureInfo::offset, SetStringInfoDatum(), _SignatureInfo::signature, TransformSignature(), and Trunc32().
Referenced by AcquireRandomInfo(), HashStringInfoType(), HashStringType(), SetRandomKey(), and SignatureImage().