Definition of hash key type and helper functions. More...

#include "libcoap.h"
#include "coap_uthash_internal.h"
#include "coap_str.h"

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Macros
#define	coap_hash(String, Length, Result) coap_hash_impl((String),(Length),(Result))

#define	COAP_DEFAULT_HASH

#define	coap_str_hash(Str, H)
	Calls coap_hash() with given `coap_string_t` object as parameter. More...

Functions
void	coap_hash_impl (const unsigned char *s, size_t len, coap_key_t h)
	Calculates a fast hash over the given string `s` of length `len` and stores the result into `h`. More...

Detailed Description

Definition of hash key type and helper functions.

Macro Definition Documentation

#define COAP_DEFAULT_HASH

Definition at line 42 of file coap_hashkey_internal.h.

#define coap_hash	(	String,
		Length,
		Result
	)	coap_hash_impl((String),(Length),(Result))

Definition at line 38 of file coap_hashkey_internal.h.

Calls coap_hash() with given coap_string_t object as parameter.

Parameters

Str	Must contain a pointer to a coap string object.
H	A coap_key_t object to store the result.

Definition at line 55 of file coap_hashkey_internal.h.

typedef unsigned char coap_key_t[4]

Definition at line 24 of file coap_hashkey_internal.h.

Calculates a fast hash over the given string s of length len and stores the result into h.

Depending on the exact implementation, this function cannot be used as one-way function to check message integrity or simlar.

Parameters

s	The string used for hash calculation.
len	The length of `s`.
h	The result buffer to store the calculated hash key.

Definition at line 19 of file coap_hashkey.c.