mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-03-29 04:20:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

sm: store non-truncated LTK in setup->sm_local_ltk for cross transport key derivation - see E6405

Browse Source
This commit is contained in:
Matthias Ringwald 2016-06-27 17:12:51 +02:00
parent b18300a6ef
commit aa7d4d9c48
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/ble/sm.c
View File

@ -1411,7 +1411,7 @@ static void sm_sc_cmac_done(uint8_t * hash){
// E6405 – Cross transport key derivation from a key of size less than 128 bits
// Note: When the BR/EDR link key is being derived from the LTK, the derivation is done before the LTK gets masked."
memcpy(setup->sm_ltk, hash, 16);
memcpy(setup->sm_local_ltk, 16);
memcpy(setup->sm_local_ltk, hash, 16);
sm_truncate_key(setup->sm_ltk, sm_conn->sm_actual_encryption_key_size);
sm_conn->sm_engine_state = SM_SC_W2_CALCULATE_F6_FOR_DHKEY_CHECK;
break;