int hci_send_cmd(const hci_cmd_t *cmd, ...) {
va_list argptr;
va_start(argptr, cmd);
uint16_t len = hci_create_cmd_internal(packet_buffer, cmd, argptr);
va_end(argptr);
hci_dump_packet(HCI_COMMAND_DATA_PACKET, 0, packet_buffer, len);
dump_packet(HCI_COMMAND_DATA_PACKET, packet_buffer, len);
packet_buffer_len = len;
// track le encrypt and le rand
if (cmd->opcode == hci_le_encrypt.opcode) {
uint8_t * key_flipped = &packet_buffer[3];
uint8_t key[16];
swap128(key_flipped, key);
// printf("le_encrypt key ");
// hexdump(key, 16);
uint8_t * plaintext_flipped = &packet_buffer[19];
uint8_t plaintext[16];
swap128(plaintext_flipped, plaintext);
// printf("le_encrypt txt ");
// hexdump(plaintext, 16);
aes128_calc_cyphertext(key, plaintext, aes128_cyphertext);
// printf("le_encrypt res ");
// hexdump(aes128_cyphertext, 16);
}
return 0;
}
int main(){
uint8_t key[16];
uint8_t plaintext[16];
bzero(key, 16);
bzero(plaintext, 16);
uint8_t cyphertext[16];
aes128_calc_cyphertext(key, plaintext, cyphertext);
hexdump2(cyphertext, 16);
}
