stbcikeys.c File Reference

CI Content Control - descrambler keys. More...

#include <string.h>
#include "techtype.h"
#include "dbgfuncs.h"
#include "stbhwos.h"
#include "stbci.h"
#include "stberc.h"
#include "stbdpc.h"
#include "stbpvr.h"
#include "stbheap.h"
#include "stbcikeys.h"
#include "stbci_int.h"

Macros
#define	EVEN_KEY_REGISTER   0
#define	ODD_KEY_REGISTER   1

Typedefs
typedef struct key_info	S_KEY_INFO
typedef struct s_cikeys_info	S_CIKEYS_INFO

Functions
void	STB_CiKeysInitialise (void)
	CI descrambler keys support initialise.
void	STB_CiKeysDisable (U8BIT slot_id)
	Disable CC keys for slot, as CAM has been removed. More...
void	STB_CiKeysRemove (U8BIT slot_id)
	Notify module removal. More...
void	STB_CINotifyCCKey (U8BIT slot_id, U8BIT cipher, U8BIT key_register, U8BIT *key, U8BIT *civ)
	Handle content control keys. More...
void	STB_CiKeysApply (U8BIT path, U8BIT slot_id)
	Apply stored CC keys (if any) on given path. More...
void	STB_CiKeysClear (U8BIT path, U8BIT slot_id)
	Clear CC keys (if any) from given path. More...

Detailed Description

CI Content Control - descrambler keys.

Date

28 November 2016

Author

Adam Sturtridge

Function Documentation

void STB_CiKeysApply	(	U8BIT	path,
		U8BIT	slot_id
	)

Apply stored CC keys (if any) on given path.

Parameters

path	Path to apply keys on
slot_id	zero-based CI slot identifier (0, 1, ...)

void STB_CiKeysClear	(	U8BIT	path,
		U8BIT	slot_id
	)

Clear CC keys (if any) from given path.

Parameters

path	Path to clear keys from
slot_id	zero-based CI slot identifier (0, 1, ...)

void STB_CiKeysDisable

(

U8BIT

slot_id

)

Disable CC keys for slot, as CAM has been removed.

Disable CC keys for slot, as CAM is being removed.

Parameters

slot_id

zero-based CI slot identifier (0, 1, ...)

void STB_CiKeysRemove

(

U8BIT

slot_id

)

Notify module removal.

Process CAM removal from slot for CI Keys support.

Parameters

slot_id

zero-based CI slot identifier (0, 1, ...)

void STB_CINotifyCCKey	(	U8BIT	slot_id,
		U8BIT	cipher,
		U8BIT	key_register,
		U8BIT *	key,
		U8BIT *	civ
	)

Handle content control keys.

Parameters

slot_id	zero-based CI slot identifier (0, 1, ...)
cipher	cipher to be used
key_register	key register to be used
key	AES/DES key (according to cipher)
civ	initialisation vector for cipher