Functions
sha256.c File Reference
#include "includes.h"
#include "common.h"
#include "sha256.h"
#include "crypto.h"
Include dependency graph for sha256.c:

Go to the source code of this file.

Functions

void hmac_sha256 (const u8 *key, size_t key_len, const u8 *data, size_t data_len, u8 *mac)
void hmac_sha256_vector (const u8 *key, size_t key_len, size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
void sha256_prf (const u8 *key, size_t key_len, const char *label, const u8 *data, size_t data_len, u8 *buf, size_t buf_len)

Function Documentation

void hmac_sha256 ( const u8 *  key,
size_t  key_len,
const u8 *  data,
size_t  data_len,
u8 *  mac 
)

hmac_sha256 - HMAC-SHA256 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)

Definition at line 102 of file sha256.c.

void hmac_sha256_vector ( const u8 *  key,
size_t  key_len,
size_t  num_elem,
const u8 *  addr[],
const size_t *  len,
u8 *  mac 
)

hmac_sha256_vector - HMAC-SHA256 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 (32 bytes)

Definition at line 31 of file sha256.c.

void sha256_prf ( const u8 *  key,
size_t  key_len,
const char *  label,
const u8 *  data,
size_t  data_len,
u8 *  buf,
size_t  buf_len 
)

sha256_prf - SHA256-based Pseudo-Random Function (IEEE 802.11r, 8.5.1.5.2) : 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

This function is used to derive new, cryptographically separate keys from a given key.

Definition at line 122 of file sha256.c.



wpa_supplicant
Author(s): Package maintained by Blaise Gassend
autogenerated on Thu Jan 2 2014 11:26:42