sha1.c File Reference

#include "includes.h"
#include "common.h"
#include "sha1.h"
#include "crypto.h"

Include dependency graph for sha1.c:

Go to the source code of this file.

Functions
int	hmac_sha1 (const u8 *key, size_t key_len, const u8 *data, size_t data_len, u8 *mac)
int	hmac_sha1_vector (const u8 *key, size_t key_len, size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
int	sha1_prf (const u8 *key, size_t key_len, const char *label, const u8 *data, size_t data_len, u8 *buf, size_t buf_len)

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Function Documentation

int hmac_sha1	(	const u8 *	key,
		size_t	key_len,
		const u8 *	data,
		size_t	data_len,
		u8 *	mac
	)

hmac_sha1 - HMAC-SHA1 over data buffer (RFC 2104) : Key for HMAC operations : Length of the key in bytes : Pointers to the data area : Length of the data area : Buffer for the hash (20 bytes) Returns: 0 on success, -1 of failure

Definition at line 106 of file sha1.c.

int hmac_sha1_vector	(	const u8 *	key,
		size_t	key_len,
		size_t	num_elem,
		const u8 *	addr[],
		const size_t *	len,
		u8 *	mac
	)

hmac_sha1_vector - HMAC-SHA1 over data vector (RFC 2104) : Key for HMAC operations : Length of the key in bytes : Number of elements in the data vector : Pointers to the data areas : Lengths of the data blocks : Buffer for the hash (20 bytes) Returns: 0 on success, -1 on failure

Definition at line 32 of file sha1.c.

int sha1_prf	(	const u8 *	key,
		size_t	key_len,
		const char *	label,
		const u8 *	data,
		size_t	data_len,
		u8 *	buf,
		size_t	buf_len
	)

sha1_prf - SHA1-based Pseudo-Random Function (PRF) (IEEE 802.11i, 8.5.1.1) : Key for PRF : Length of the key in bytes : A unique label for each purpose of the PRF : Extra data to bind into the key : Length of the data : Buffer for the generated pseudo-random key : Number of bytes of key to generate Returns: 0 on success, -1 of failure

This function is used to derive new, cryptographically separate keys from a given key (e.g., PMK in IEEE 802.11i).

Definition at line 127 of file sha1.c.