mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-01-31 00:32:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

mesh: calculate hash for label uuid in mesh_virtual_addr

Browse Source
This commit is contained in:
Matthias Ringwald 2019-04-18 18:01:46 +02:00
parent 2714dd28cc
commit 473970ab1a
2 changed files with 32 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/ble/mesh/mesh_crypto.c
View File

@ -40,6 +40,7 @@
#include <stdint.h>
#include <string.h>
#include "btstack_debug.h"
#include "btstack_util.h"
#include "mesh_crypto.h"
// mesh k1 - might get moved to btstack_crypto and all vars go into btstack_crypto_mesh_k1_t struct
@ -186,3 +187,23 @@ void mesh_k4(btstack_crypto_aes128_cmac_t * request, const uint8_t * n, uint8_t
btstack_crypto_aes128_cmac_message(request, mesh_salt_smk4, 16, mesh_k4_n, mesh_k4_temp, mesh_k4_temp_callback, request);
}
// mesh virtual address hash - might get moved to btstack_crypto and all vars go into btstack_crypto_mesh_virtual_address_t struct
static uint8_t mesh_salt_vtad[] = { 0xce, 0xf7, 0xfa, 0x9d, 0xc4, 0x7b, 0xaf, 0x5d, 0xaa, 0xee, 0xd1, 0x94, 0x06, 0x09, 0x4f, 0x37, };
static void * mesh_virtual_address_arg;
static void (* mesh_virtual_address_callback)(void * arg);
static uint16_t * mesh_virtual_address_hash;
static uint8_t mesh_virtual_address_temp[16];
static void mesh_virtual_address_temp_callback(void * arg){
uint16_t addr = (big_endian_read_16(mesh_virtual_address_temp, 14) & 0x3fff) | 0x8000;
*mesh_virtual_address_hash = addr;
(*mesh_virtual_address_callback)(mesh_virtual_address_arg);
}
void mesh_virtual_address(btstack_crypto_aes128_cmac_t * request, const uint8_t * label_uuid, uint16_t * addr, void (* callback)(void * arg), void * callback_arg){
mesh_virtual_address_callback = callback;
mesh_virtual_address_arg = callback_arg;
mesh_virtual_address_hash = addr;
btstack_crypto_aes128_cmac_message(request, mesh_salt_vtad, 16, label_uuid, mesh_virtual_address_temp, mesh_virtual_address_temp_callback, request);
}

12
src/ble/mesh/mesh_crypto.h
View File

@ -69,10 +69,20 @@ void mesh_k2(btstack_crypto_aes128_cmac_t * request, const uint8_t * n, uint8_t
void mesh_k3(btstack_crypto_aes128_cmac_t * request, const uint8_t * n, uint8_t * result, void (* callback)(void * arg), void * callback_arg);
/**
* Calculate mesh k3 function
* Calculate mesh k4 function
*/
void mesh_k4(btstack_crypto_aes128_cmac_t * request, const uint8_t * n, uint8_t * result, void (* callback)(void * arg), void * callback_arg);
/**
* Calculate mesh virtual address hash
* @param request
* @param label_uuid
* @param addr
* @param callback
* @param callback_arg
*/
void mesh_virtual_address(btstack_crypto_aes128_cmac_t * request, const uint8_t * label_uuid, uint16_t * addr, void (* callback)(void * arg), void * callback_arg);
#ifdef __cplusplus
} /* end of extern "C" */
#endif