siphash.h File Reference

#include <stdint.h>
#include <stdio.h>
#include "crypto.h"
#include <openssl/opensslv.h>

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Macros
#define	SIPHASH_KEY_SIZE   16

Functions
void	siphash_reference (const void *in, size_t inlen, const void *k, uint8_t *out, size_t outlen)
	Calculates SIPHASH using the reference implementation.
static void	siphash (const void *in, size_t inlen, const void *k, uint8_t *out, size_t outlen)
static void	siphash_key_init (uint8_t *key)
	Initialises a SIPHASH key with a random value.
uint64_t	siphash_hash_func (const uint8_t *k, uint32_t length, const uint8_t hash_key[SIPHASH_KEY_SIZE])
	Wrapper of the siphash function to be able to use it in the hash map.

Macro Definition Documentation

SIPHASH_KEY_SIZE

#define SIPHASH_KEY_SIZE   16

Definition at line 35 of file siphash.h.

Function Documentation

siphash()

static void siphash ( const void *  in, size_t  inlen, const void *  k, uint8_t *  out, size_t  outlen  )

inlinestatic

Definition at line 70 of file siphash.h.

References siphash_reference().

Referenced by calculate_session_id_hmac(), and siphash_hash_func().

siphash_hash_func()

uint64_t siphash_hash_func	(	const uint8_t *	k,
		uint32_t	length,
		const uint8_t	hash_key[SIPHASH_KEY_SIZE]
	)

Wrapper of the siphash function to be able to use it in the hash map.

Parameters

k	the data to hash
length	length of the data to hash
hash_key	the siphash key

Returns

a uint64_t containing the result of the hashing

Definition at line 37 of file siphash.c.

References siphash().

Referenced by mroute_addr_hash_function(), and word_hash_function().

siphash_key_init()

static void siphash_key_init ( uint8_t *  key )

inlinestatic

Initialises a SIPHASH key with a random value.

Parameters

key	the key to be initialised

Definition at line 85 of file siphash.h.

References prng_bytes(), and SIPHASH_KEY_SIZE.

Referenced by do_init_crypto_tls(), test_verify_hmac_none(), test_verify_hmac_none_out_of_range_ack(), and test_verify_hmac_tls_auth().

siphash_reference()

void siphash_reference	(	const void *	in,
		size_t	inlen,
		const void *	k,
		uint8_t *	out,
		size_t	outlen
	)

Calculates SIPHASH using the reference implementation.

Definition at line 103 of file siphash_reference.c.

References cROUNDS, dROUNDS, SIPROUND, TRACE, U64TO8_LE, and U8TO64_LE.

Referenced by siphash(), test_siphash(), and test_siphash_openssl().