rtmpdh.h File Reference

#include <stdint.h>
#include "config.h"

Go to the source code of this file.

Data Structures
struct	FF_DH

Functions
FF_DH *	ff_dh_init (int key_len)
	Initialize a Diffie-Hellmann context. More...
void	ff_dh_free (FF_DH *dh)
	Free a Diffie-Hellmann context. More...
int	ff_dh_generate_public_key (FF_DH *dh)
	Generate a public key. More...
int	ff_dh_write_public_key (FF_DH *dh, uint8_t *pub_key, int pub_key_len)
	Write the public key into the given buffer. More...
int	ff_dh_compute_shared_secret_key (FF_DH *dh, const uint8_t *pub_key, int pub_key_len, uint8_t *secret_key, int secret_key_len)
	Compute the shared secret key from the private FF_DH value and the other party's public value. More...

Function Documentation

ff_dh_init()

FF_DH* ff_dh_init

(

int

key_len

)

Initialize a Diffie-Hellmann context.

Parameters

key_len

length of the key

Returns

a new Diffie-Hellmann context on success, NULL otherwise

Definition at line 321 of file rtmpdh.c.

Referenced by ff_rtmpe_gen_pub_key(), test_random_shared_secret(), and test_ref_data().

ff_dh_free()

void ff_dh_free

(

FF_DH *

dh

)

Free a Diffie-Hellmann context.

Parameters

dh	a Diffie-Hellmann context to free

Definition at line 269 of file rtmpdh.c.

Referenced by ff_dh_init(), rtmpe_close(), test_random_shared_secret(), and test_ref_data().

ff_dh_generate_public_key()

int ff_dh_generate_public_key

(

FF_DH *

dh

)

Generate a public key.

Parameters

dh	a Diffie-Hellmann context

Returns

zero on success, negative value otherwise

Definition at line 348 of file rtmpdh.c.

Referenced by ff_rtmpe_gen_pub_key(), and test_random_shared_secret().

ff_dh_write_public_key()

int ff_dh_write_public_key	(	FF_DH *	dh,
		uint8_t *	pub_key,
		int	pub_key_len
	)

Write the public key into the given buffer.

Parameters

dh	a Diffie-Hellmann context, containing the public key to write
pub_key	the buffer where the public key is written
pub_key_len	the length of the buffer

Returns

zero on success, negative value otherwise

Definition at line 374 of file rtmpdh.c.

Referenced by ff_rtmpe_gen_pub_key(), test_random_shared_secret(), and test_ref_data().

ff_dh_compute_shared_secret_key()

int ff_dh_compute_shared_secret_key	(	FF_DH *	dh,
		const uint8_t *	pub_key,
		int	pub_key_len,
		uint8_t *	secret_key,
		int	secret_key_len
	)

Compute the shared secret key from the private FF_DH value and the other party's public value.

Parameters

dh	a Diffie-Hellmann context, containing the private key
pub_key	the buffer containing the public key
pub_key_len	the length of the public key buffer
secret_key	the buffer where the secret key is written
secret_key_len	the length of the secret key buffer

Returns

length of the shared secret key on success, negative value otherwise

Definition at line 390 of file rtmpdh.c.

Referenced by ff_rtmpe_compute_secret_key(), test_random_shared_secret(), and test_ref_data().