ssl_cookie.c File Reference

#include "mbedtls/config.h"
#include "mbedtls/platform.h"
#include "mbedtls/ssl_cookie.h"
#include "mbedtls/ssl_internal.h"
#include <string.h>
#include "arc4_alt.h"

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Macros
#define	COOKIE_MD   MBEDTLS_MD_SHA224
#define	COOKIE_MD_OUTLEN   32
#define	COOKIE_HMAC_LEN   28
#define	COOKIE_LEN   ( 4 + COOKIE_HMAC_LEN )

Functions
void	mbedtls_ssl_cookie_init (mbedtls_ssl_cookie_ctx *ctx)
	Initialize cookie context. More...
void	mbedtls_ssl_cookie_set_timeout (mbedtls_ssl_cookie_ctx *ctx, unsigned long delay)
	Set expiration delay for cookies (Default MBEDTLS_SSL_COOKIE_TIMEOUT) More...
void	mbedtls_ssl_cookie_free (mbedtls_ssl_cookie_ctx *ctx)
	Free cookie context. More...
int	mbedtls_ssl_cookie_setup (mbedtls_ssl_cookie_ctx *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)
	Setup cookie context (generate keys) More...
static int	ssl_cookie_hmac (mbedtls_md_context_t *hmac_ctx, const unsigned char time[4], unsigned char **p, unsigned char *end, const unsigned char *cli_id, size_t cli_id_len)
int	mbedtls_ssl_cookie_write (void *p_ctx, unsigned char **p, unsigned char *end, const unsigned char *cli_id, size_t cli_id_len)
int	mbedtls_ssl_cookie_check (void *p_ctx, const unsigned char *cookie, size_t cookie_len, const unsigned char *cli_id, size_t cli_id_len)

Macro Definition Documentation

COOKIE_HMAC_LEN

#define COOKIE_HMAC_LEN   28

COOKIE_LEN

#define COOKIE_LEN   ( 4 + COOKIE_HMAC_LEN )

COOKIE_MD

#define COOKIE_MD   MBEDTLS_MD_SHA224

COOKIE_MD_OUTLEN

#define COOKIE_MD_OUTLEN   32

Function Documentation

mbedtls_ssl_cookie_check()

int mbedtls_ssl_cookie_check	(	void *	p_ctx,
		const unsigned char *	cookie,
		size_t	cookie_len,
		const unsigned char *	cli_id,
		size_t	cli_id_len
	)

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mbedtls_ssl_cookie_free()

void mbedtls_ssl_cookie_free

(

mbedtls_ssl_cookie_ctx *

ctx

)

Free cookie context.

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mbedtls_ssl_cookie_init()

void mbedtls_ssl_cookie_init

(

mbedtls_ssl_cookie_ctx *

ctx

)

Initialize cookie context.

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mbedtls_ssl_cookie_set_timeout()

void mbedtls_ssl_cookie_set_timeout	(	mbedtls_ssl_cookie_ctx *	ctx,
		unsigned long	delay
	)

Set expiration delay for cookies (Default MBEDTLS_SSL_COOKIE_TIMEOUT)

Parameters

ctx	Cookie contex
delay	Delay, in seconds if HAVE_TIME, or in number of cookies issued in the meantime. 0 to disable expiration (NOT recommended)

mbedtls_ssl_cookie_setup()

int mbedtls_ssl_cookie_setup	(	mbedtls_ssl_cookie_ctx *	ctx,
		int(*)(void *, unsigned char *, size_t)	f_rng,
		void *	p_rng
	)

Setup cookie context (generate keys)

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mbedtls_ssl_cookie_write()

int mbedtls_ssl_cookie_write	(	void *	p_ctx,
		unsigned char **	p,
		unsigned char *	end,
		const unsigned char *	cli_id,
		size_t	cli_id_len
	)

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ssl_cookie_hmac()

static int ssl_cookie_hmac ( mbedtls_md_context_t *  hmac_ctx, const unsigned char  time[4], unsigned char **  p, unsigned char *  end, const unsigned char *  cli_id, size_t  cli_id_len  )

static

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