www.pudn.com > PtOpenGuiSourceCode.zip > signature.h

/* 
  Digital signature methods. 
*/ 
#ifndef _MAGICK_SIGNATURE_H 
#define _MAGICK_SIGNATURE_H 
 
#if defined(__cplusplus) || defined(c_plusplus) 
extern "C" { 
#endif 
 
/* 
  Define declarations. 
*/ 
#define SignatureSize  64 
 
/* 
  Typedef declarations. 
*/ 
typedef struct _SignatureInfo 
{    
  unsigned long 
    digest[8], 
    low_order, 
    high_order; 
 
  long 
    offset; 
 
  unsigned int 
    lsb_first; 
 
  unsigned char 
    message[SignatureSize]; 
} SignatureInfo; 
 
/* 
  Method declarations. 
*/ 
extern MagickExport double 
  GetRandomValue(void); 
 
extern MagickExport unsigned int 
  SignatureImage(Image *); 
 
extern MagickExport void 
  DestroyRandomReservoir(void), 
  DistillRandomEvent(const unsigned char *,const size_t), 
  FinalizeSignature(SignatureInfo *), 
  GetRandomKey(unsigned char *,const size_t), 
  GetSignatureInfo(SignatureInfo *), 
  TransformSignature(SignatureInfo *), 
  UpdateSignature(SignatureInfo *,const unsigned char *,const size_t); 
 
#if defined(__cplusplus) || defined(c_plusplus) 
} 
#endif 
 
#endif