hpdf_encrypt.h File Reference

#include "hpdf_mmgr.h"

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Data Structures
struct	HPDF_MD5Context
struct	_HPDF_ARC4_Ctx_Rec
struct	_HPDF_Encrypt_Rec

Macros
#define	HPDF_ID_LEN   16
#define	HPDF_PASSWD_LEN   32
#define	HPDF_ENCRYPT_KEY_MAX   16
#define	HPDF_MD5_KEY_LEN   16
#define	HPDF_PERMISSION_PAD   0xFFFFFFC0
#define	HPDF_ARC4_BUF_SIZE   256

Typedefs
typedef struct HPDF_MD5Context	HPDF_MD5_CTX
typedef struct _HPDF_ARC4_Ctx_Rec	HPDF_ARC4_Ctx_Rec
typedef struct _HPDF_Encrypt_Rec *	HPDF_Encrypt
typedef struct _HPDF_Encrypt_Rec	HPDF_Encrypt_Rec

Functions
void	HPDF_MD5Init (struct HPDF_MD5Context *ctx)
void	HPDF_MD5Update (struct HPDF_MD5Context *ctx, const HPDF_BYTE *buf, HPDF_UINT32 len)
void	HPDF_MD5Final (HPDF_BYTE digest[16], struct HPDF_MD5Context *ctx)
void	HPDF_PadOrTrancatePasswd (const char *pwd, HPDF_BYTE *new_pwd)
void	HPDF_Encrypt_Init (HPDF_Encrypt attr)
void	HPDF_Encrypt_CreateUserKey (HPDF_Encrypt attr)
void	HPDF_Encrypt_CreateOwnerKey (HPDF_Encrypt attr)
void	HPDF_Encrypt_CreateEncryptionKey (HPDF_Encrypt attr)
void	HPDF_Encrypt_InitKey (HPDF_Encrypt attr, HPDF_UINT32 object_id, HPDF_UINT16 gen_no)
void	HPDF_Encrypt_Reset (HPDF_Encrypt attr)
void	HPDF_Encrypt_CryptBuf (HPDF_Encrypt attr, const HPDF_BYTE *src, HPDF_BYTE *dst, HPDF_UINT len)

Macro Definition Documentation

HPDF_ARC4_BUF_SIZE

#define HPDF_ARC4_BUF_SIZE   256

HPDF_ENCRYPT_KEY_MAX

#define HPDF_ENCRYPT_KEY_MAX   16

HPDF_ID_LEN

#define HPDF_ID_LEN   16

HPDF_MD5_KEY_LEN

#define HPDF_MD5_KEY_LEN   16

HPDF_PASSWD_LEN

#define HPDF_PASSWD_LEN   32

HPDF_PERMISSION_PAD

#define HPDF_PERMISSION_PAD   0xFFFFFFC0

Typedef Documentation

HPDF_ARC4_Ctx_Rec

typedef struct _HPDF_ARC4_Ctx_Rec HPDF_ARC4_Ctx_Rec

HPDF_Encrypt

typedef struct _HPDF_Encrypt_Rec* HPDF_Encrypt

HPDF_Encrypt_Rec

typedef struct _HPDF_Encrypt_Rec HPDF_Encrypt_Rec

HPDF_MD5_CTX

typedef struct HPDF_MD5Context HPDF_MD5_CTX

Function Documentation

HPDF_Encrypt_CreateEncryptionKey()

void HPDF_Encrypt_CreateEncryptionKey

(

HPDF_Encrypt

attr

)

HPDF_Encrypt_CreateOwnerKey()

void HPDF_Encrypt_CreateOwnerKey

(

HPDF_Encrypt

attr

)

HPDF_Encrypt_CreateUserKey()

void HPDF_Encrypt_CreateUserKey

(

HPDF_Encrypt

attr

)

HPDF_Encrypt_CryptBuf()

void HPDF_Encrypt_CryptBuf	(	HPDF_Encrypt	attr,
		const HPDF_BYTE *	src,
		HPDF_BYTE *	dst,
		HPDF_UINT	len
	)

HPDF_Encrypt_Init()

void HPDF_Encrypt_Init

(

HPDF_Encrypt

attr

)

HPDF_Encrypt_InitKey()

void HPDF_Encrypt_InitKey	(	HPDF_Encrypt	attr,
		HPDF_UINT32	object_id,
		HPDF_UINT16	gen_no
	)

HPDF_Encrypt_Reset()

void HPDF_Encrypt_Reset

(

HPDF_Encrypt

attr

)

HPDF_MD5Final()

void HPDF_MD5Final	(	HPDF_BYTE	digest[16],
		struct HPDF_MD5Context *	ctx
	)

HPDF_MD5Init()

void HPDF_MD5Init

(

struct HPDF_MD5Context *

ctx

)

HPDF_MD5Update()

void HPDF_MD5Update	(	struct HPDF_MD5Context *	ctx,
		const HPDF_BYTE *	buf,
		HPDF_UINT32	len
	)

HPDF_PadOrTrancatePasswd()

void HPDF_PadOrTrancatePasswd	(	const char *	pwd,
		HPDF_BYTE *	new_pwd
	)