md.h File Reference

#include <gwenhywfar/gwenhywfarapi.h>
#include <gwenhywfar/error.h>
#include <gwenhywfar/buffer.h>

Go to the source code of this file.

Functions for Inheriting Modules

These function should not be called by applications. They are meant to be called by modules implementing message digest code.

GWENHYWFAR_API void * GWEN_MD_GetData (GWEN_MD *md)
GWENHYWFAR_API GWEN_MDGWEN_MD_new (unsigned int size)
GWENHYWFAR_API void GWEN_MD_SetBeginFn (GWEN_MD *md, GWEN_MD_BEGIN_FN fn)
GWENHYWFAR_API void GWEN_MD_SetData (GWEN_MD *md, void *data)
GWENHYWFAR_API void GWEN_MD_SetEndFn (GWEN_MD *md, GWEN_MD_END_FN fn)
GWENHYWFAR_API void GWEN_MD_SetFreeDataFn (GWEN_MD *md, GWEN_MD_FREEDATA_FN fn)
GWENHYWFAR_API void GWEN_MD_SetUpdateFn (GWEN_MD *md, GWEN_MD_UPDATE_FN fn)

Typedefs

typedef GWEN_MD GWEN_MD
typedef int(* GWEN_MD_BEGIN_FN )(GWEN_MD *md)
typedef int(* GWEN_MD_END_FN )(GWEN_MD *md)
typedef void(* GWEN_MD_FREEDATA_FN )(GWEN_MD *md)
typedef GWEN_MD_PROVIDER GWEN_MD_PROVIDER
typedef int(* GWEN_MD_UPDATE_FN )(GWEN_MD *md, const char *buf, unsigned int l)
typedef GWEN_MD *(* GWEN_MDPROVIDER_NEWMD_FN )(GWEN_MD_PROVIDER *pr)

Functions

GWENHYWFAR_API int GWEN_MD_Begin (GWEN_MD *md)
GWENHYWFAR_API int GWEN_MD_End (GWEN_MD *md)
GWENHYWFAR_API GWEN_MDGWEN_MD_Factory (const char *t)
GWENHYWFAR_API void GWEN_MD_free (GWEN_MD *md)
GWENHYWFAR_API unsigned char * GWEN_MD_GetDigestPtr (GWEN_MD *md)
GWENHYWFAR_API unsigned int GWEN_MD_GetDigestSize (GWEN_MD *md)
GWENHYWFAR_API int GWEN_MD_Hash (const char *algo, const char *data, unsigned int dsize, char *buffer, unsigned int *bsize)
GWENHYWFAR_API int GWEN_MD_HashToBuffer (const char *typ, const char *data, unsigned int dsize, GWEN_BUFFER *dstBuf)
GWENHYWFAR_API GWEN_ERRORCODE GWEN_MD_RegisterProvider (GWEN_MD_PROVIDER *pr)
GWENHYWFAR_API void GWEN_MD_UnregisterAllProviders ()
GWENHYWFAR_API GWEN_ERRORCODE GWEN_MD_UnregisterProvider (GWEN_MD_PROVIDER *pr)
GWENHYWFAR_API int GWEN_MD_Update (GWEN_MD *md, const char *buf, unsigned int l)
GWENHYWFAR_API void GWEN_MdProvider_free (GWEN_MD_PROVIDER *pr)
GWENHYWFAR_API GWEN_MD_PROVIDERGWEN_MdProvider_new ()
GWENHYWFAR_API void GWEN_MdProvider_SetName (GWEN_MD_PROVIDER *pr, const char *name)
GWENHYWFAR_API void GWEN_MdProvider_SetNewMdFn (GWEN_MD_PROVIDER *pr, GWEN_MDPROVIDER_NEWMD_FN newMdFn)


Typedef Documentation

typedef struct GWEN_MD GWEN_MD
 

typedef int(* GWEN_MD_BEGIN_FN)(GWEN_MD *md)
 

typedef int(* GWEN_MD_END_FN)(GWEN_MD *md)
 

typedef void(* GWEN_MD_FREEDATA_FN)(GWEN_MD *md)
 

typedef struct GWEN_MD_PROVIDER GWEN_MD_PROVIDER
 

typedef int(* GWEN_MD_UPDATE_FN)(GWEN_MD *md, const char *buf, unsigned int l)
 

typedef GWEN_MD*(* GWEN_MDPROVIDER_NEWMD_FN)(GWEN_MD_PROVIDER *pr)
 


Function Documentation

GWENHYWFAR_API int GWEN_MD_Begin GWEN_MD md  ) 
 

GWENHYWFAR_API int GWEN_MD_End GWEN_MD md  ) 
 

GWENHYWFAR_API GWEN_MD* GWEN_MD_Factory const char *  t  ) 
 

GWENHYWFAR_API void GWEN_MD_free GWEN_MD md  ) 
 

GWENHYWFAR_API void* GWEN_MD_GetData GWEN_MD md  ) 
 

GWENHYWFAR_API unsigned char* GWEN_MD_GetDigestPtr GWEN_MD md  ) 
 

GWENHYWFAR_API unsigned int GWEN_MD_GetDigestSize GWEN_MD md  ) 
 

GWENHYWFAR_API int GWEN_MD_Hash const char *  algo,
const char *  data,
unsigned int  dsize,
char *  buffer,
unsigned int *  bsize
 

This is a conveniance function. It hashes a given data buffer using the given hash algo.

Returns:
0 if ok, !=0 on error
Parameters:
algo algorithm name (like "RMD160", "MD5")
data pointer to the data to hash
dsize size of the data to hash
buffer pointer to a buffer for the hash
bsize pointer to a variable that initially holds the size of the buffer. Upon return it will hold the size of the hash data.

GWENHYWFAR_API int GWEN_MD_HashToBuffer const char *  typ,
const char *  data,
unsigned int  dsize,
GWEN_BUFFER dstBuf
 

GWENHYWFAR_API GWEN_MD* GWEN_MD_new unsigned int  size  ) 
 

GWENHYWFAR_API GWEN_ERRORCODE GWEN_MD_RegisterProvider GWEN_MD_PROVIDER pr  ) 
 

On success this function takes over ownership of the given object.

GWENHYWFAR_API void GWEN_MD_SetBeginFn GWEN_MD md,
GWEN_MD_BEGIN_FN  fn
 

GWENHYWFAR_API void GWEN_MD_SetData GWEN_MD md,
void *  data
 

GWENHYWFAR_API void GWEN_MD_SetEndFn GWEN_MD md,
GWEN_MD_END_FN  fn
 

GWENHYWFAR_API void GWEN_MD_SetFreeDataFn GWEN_MD md,
GWEN_MD_FREEDATA_FN  fn
 

GWENHYWFAR_API void GWEN_MD_SetUpdateFn GWEN_MD md,
GWEN_MD_UPDATE_FN  fn
 

GWENHYWFAR_API void GWEN_MD_UnregisterAllProviders  ) 
 

GWENHYWFAR_API GWEN_ERRORCODE GWEN_MD_UnregisterProvider GWEN_MD_PROVIDER pr  ) 
 

GWENHYWFAR_API int GWEN_MD_Update GWEN_MD md,
const char *  buf,
unsigned int  l
 

GWENHYWFAR_API void GWEN_MdProvider_free GWEN_MD_PROVIDER pr  ) 
 

GWENHYWFAR_API GWEN_MD_PROVIDER* GWEN_MdProvider_new  ) 
 

GWENHYWFAR_API void GWEN_MdProvider_SetName GWEN_MD_PROVIDER pr,
const char *  name
 

GWENHYWFAR_API void GWEN_MdProvider_SetNewMdFn GWEN_MD_PROVIDER pr,
GWEN_MDPROVIDER_NEWMD_FN  newMdFn
 


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