mh5hash.c File Reference

Functions relating to HTTPS Content Verification. More...

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <openssl/evp.h>
#include <openssl/opensslv.h>
#include "mh5hash.h"
#include "mh5base.h"
#include "mh5memory.h"
#include "mh5fileorm.h"
#include "mh5sig.h"
#include "stb_os.h"

Classes
struct	sHashDigest
struct	sHashfileData

Macros
#define	GET_16BITS_FROM_ARRAY(X, Y)   ((X[Y] << 8) | X[Y + 1])

Typedefs
typedef struct sHashDigest	HashDigest
typedef struct sHashfileData	HashfileData

Enumerations
enum	HashFileState_t {   HASH_FILE_RELOAD, HASH_FILE_WAITING_FOR_HASH, HASH_FILE_WAITING_FOR_SIG, HASH_FILE_WAITING_FOR_HASH_AND_SIG,   HASH_FILE_WAITING_FOR_CERT, HASH_FILE_VERIFYING, HASH_FILE_VERIFIED, HASH_FILE_FAILED }
enum	RequestState_t { REQ_OK, REQ_FAILED, REQ_PENDING }

Functions
void	MHEG5SetVerificationCallback (void(*callback)(void))
	Register a callback to be fired when the state of the verification file changes. More...
void	MHEG5ResetVerification (void)
	Reset the state of the verification subsystem. More...
MHEG5ContentVerification_t	MHEG5IsContentVerified (U8BIT *url, U8BIT *content, U32BIT length)
void	MHEG5ResetHashFile (U8BIT *url)
	Reset the state and clear cache of the hashfile associated with a content file. More...

Detailed Description

Functions relating to HTTPS Content Verification.

Date

22/02/2010

Author

Omri Barel

Function Documentation

MHEG5ContentVerification_t MHEG5IsContentVerified	(	U8BIT *	url,
		U8BIT *	content,
		U32BIT	length
	)

Parameters

url	URL of the content to be verified
content	Pointer to the content to be verified
length	Size of content in bytes

Returns

CONTENT_NOT_VERIFIED_NEW if content could not be verified CONTENT_VERIFIED if the content was verified, CONTENT_VERIFICATION_PENDING if the verification process could not be completed, pending a file-load

void MHEG5ResetHashFile

(

U8BIT *

url

)

Reset the state and clear cache of the hashfile associated with a content file.

Parameters

url	URL of content file

Returns

void MHEG5ResetVerification

(

void

)

Reset the state of the verification subsystem.

Reset the entire state of the verification mechanism.

Returns

nothing

void MHEG5SetVerificationCallback

(

void(*)(void)

callback

)

Register a callback to be fired when the state of the verification file changes.

Register a callback to be fired when the state of the verification subsystem changes.

Parameters

callback

Pointer to the callback function to be used.

Returns