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don't use sm_aes128_plaintext for ltk calculation

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This commit is contained in:
matthias.ringwald 2014-06-15 10:38:00 +00:00
parent 0685b7b19c
commit 9c8b3a52e3
1 changed files with 5 additions and 2 deletions
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7
ble/sm.c
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@ -1070,7 +1070,11 @@ static void sm_run(void){
case SM_STATE_PH4_LTK_GET_ENC:
// already busy?
if (sm_aes128_state == SM_AES128_ACTIVE) break;
sm_aes128_start(sm_persistent_er, setup->sm_aes128_plaintext);
{
sm_key_t d_prime;
sm_d1_d_prime(setup->sm_local_div, 0, d_prime);
sm_aes128_start(sm_persistent_er, d_prime);
}
sm_next_responding_state();
return;
@ -1355,7 +1359,6 @@ static void sm_handle_encryption_result(uint8_t * data){
print_hex16("ediv", setup->sm_local_ediv);
// PH3B4 - calculate LTK - enc
// LTK = d1(ER, DIV, 0))
sm_d1_d_prime(setup->sm_local_div, 0, setup->sm_aes128_plaintext);
connection->sm_state_responding = SM_STATE_PH3_LTK_GET_ENC;
return;
}