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sm: calculate DHKey earlier in sm_sc_prepare_dhkey_check

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This commit is contained in:
Matthias Ringwald 2017-08-28 12:24:04 +02:00
parent daabb8b879
commit 3fc45ec760
1 changed files with 4 additions and 4 deletions
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8
src/ble/sm.c
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@ -1586,10 +1586,6 @@ static void sm_sc_calculate_dhkey(sm_key256_t dhkey){
} }
static void f5_calculate_salt(sm_connection_t * sm_conn){ static void f5_calculate_salt(sm_connection_t * sm_conn){
// calculate DHKEY
sm_key256_t dhkey;
sm_sc_calculate_dhkey(dhkey);
// calculate salt for f5 // calculate salt for f5
const uint16_t message_len = 32; const uint16_t message_len = 32;
sm_cmac_connection = sm_conn; sm_cmac_connection = sm_conn;
@ -1717,6 +1713,10 @@ static void sm_sc_calculate_remote_confirm(sm_connection_t * sm_conn){
static void sm_sc_prepare_dhkey_check(sm_connection_t * sm_conn){ static void sm_sc_prepare_dhkey_check(sm_connection_t * sm_conn){
sm_conn->sm_engine_state = SM_SC_W2_CALCULATE_F5_SALT; sm_conn->sm_engine_state = SM_SC_W2_CALCULATE_F5_SALT;
// calculate DHKEY
sm_key256_t dhkey;
sm_sc_calculate_dhkey(dhkey);
} }
static void sm_sc_calculate_f6_for_dhkey_check(sm_connection_t * sm_conn){ static void sm_sc_calculate_f6_for_dhkey_check(sm_connection_t * sm_conn){