ctr.c File Reference

#include <gpac/internal/crypt_dev.h>

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Data Structures
struct	CTR_BUFFER

Functions
static void	increase_counter (u8 *x, int x_size)
GF_Err	_init_mcrypt (void *buf, void *key, int lenofkey, void *IV, int size)
GF_Err	_mcrypt_set_state (void *_buf, void *IV, int size)
GF_Err	_mcrypt_get_state (void *buf, void *IV, int *size)
void	_end_mcrypt (void *buf)
static void	xor_stuff (CTR_BUFFER *buf, void *akey, void(*func)(void *, void *), u8 *plain, int blocksize, int xor_size)
GF_Err	_mcrypt (void *buf, void *plaintext, int len, int blocksize, void *akey, void(*func)(void *, void *), void(*func2)(void *, void *))
GF_Err	_mdecrypt (void *buf, void *plaintext, int len, int blocksize, void *akey, void(*func)(void *, void *), void(*func2)(void *, void *))
void	gf_crypt_register_ctr (GF_Crypt *td)

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Data Structure Documentation

struct CTR_BUFFER

Collaboration diagram for CTR_BUFFER:

Data Fields
u8 *	enc_counter
u8 *	c_counter
int	c_counter_pos
int	blocksize

Function Documentation

static void increase_counter ( u8 *  x, int  x_size  )

static

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GF_Err _init_mcrypt	(	void *	buf,
		void *	key,
		int	lenofkey,
		void *	IV,
		int	size
	)

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GF_Err _mcrypt_set_state	(	void *	_buf,
		void *	IV,
		int	size
	)

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GF_Err _mcrypt_get_state	(	void *	buf,
		void *	IV,
		int *	size
	)

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void _end_mcrypt

(

void *

buf

)

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static void xor_stuff ( CTR_BUFFER *  buf, void *  akey, void(*)(void *, void *)  func, u8 *  plain, int  blocksize, int  xor_size  )

static

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GF_Err _mcrypt	(	void *	buf,
		void *	plaintext,
		int	len,
		int	blocksize,
		void *	akey,
		void(*)(void *, void *)	func,
		void(*)(void *, void *)	func2
	)

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GF_Err _mdecrypt	(	void *	buf,
		void *	plaintext,
		int	len,
		int	blocksize,
		void *	akey,
		void(*)(void *, void *)	func,
		void(*)(void *, void *)	func2
	)

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void gf_crypt_register_ctr

(

GF_Crypt *

td

)

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