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sm: fix ec key generation and logging

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This commit is contained in:
Matthias Ringwald 2016-06-09 22:53:44 +02:00
parent 0b8af2a5ee
commit 2e6217a04c
1 changed files with 13 additions and 9 deletions
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22
src/ble/sm.c
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@ -1321,9 +1321,12 @@ static int sm_passkey_used(stk_generation_method_t method);
static int sm_just_works_or_numeric_comparison(stk_generation_method_t method);
static void sm_log_ec_keypair(void){
log_info("d: %s", ec_d);
log_info("X: %s", ec_qx);
log_info("Y: %s", ec_qy);
log_info("Elliptic curve: d");
log_info_hexdump(ec_d,32);
log_info("Elliptic curve: X");
log_info_hexdump(ec_qx,32);
log_info("Elliptic curve: Y");
log_info_hexdump(ec_qy,32);
}
static void sm_sc_start_calculating_local_confirm(sm_connection_t * sm_conn){
@ -2591,16 +2594,17 @@ static void sm_handle_random_result(uint8_t * data){
mbedtls_ecp_point P;
mbedtls_mpi_init(&d);
mbedtls_ecp_point_init(&P);
mbedtls_ecp_gen_keypair(&mbedtls_ec_group, &d, &P, &sm_generate_f_rng, NULL);
mbedtls_mpi_write_binary(&P.X, ec_qx, 16);
mbedtls_mpi_write_binary(&P.Y, ec_qy, 16);
mbedtls_mpi_write_binary(&d, ec_d, 16);
sm_log_ec_keypair();
int res = mbedtls_ecp_gen_keypair(&mbedtls_ec_group, &d, &P, &sm_generate_f_rng, NULL);
log_info("gen keypair %x", res);
mbedtls_mpi_write_binary(&P.X, ec_qx, 32);
mbedtls_mpi_write_binary(&P.Y, ec_qy, 32);
mbedtls_mpi_write_binary(&d, ec_d, 32);
mbedtls_ecp_point_free(&P);
mbedtls_mpi_free(&d);
ec_key_generation_state = EC_KEY_GENERATION_DONE;
sm_log_ec_keypair();
#if 1
#if 0
printf("test dhkey check\n");
sm_key256_t dhkey;
memcpy(setup->sm_peer_qx, ec_qx, 32);