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trezor-mcu
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firmware: mark usb buffer variables confidential

This commit is contained in:
Pavol Rusnak 2017-09-04 12:03:10 +00:00
parent 2387f71813
commit 36f3b7fe09
2 changed files with 6 additions and 6 deletions
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6
firmware/messages.c
View File

@ -222,7 +222,7 @@ enum {
void msg_process(char type, uint16_t msg_id, const pb_field_t *fields, uint8_t *msg_raw, uint32_t msg_size)
{
static uint8_t msg_data[MSG_IN_SIZE];
static CONFIDENTIAL uint8_t msg_data[MSG_IN_SIZE];
memset(msg_data, 0, sizeof(msg_data));
pb_istream_t stream = pb_istream_from_buffer(msg_raw, msg_size);
bool status = pb_decode(&stream, fields, msg_data);
@ -236,7 +236,7 @@ void msg_process(char type, uint16_t msg_id, const pb_field_t *fields, uint8_t *
void msg_read_common(char type, const uint8_t *buf, int len)
{
static char read_state = READSTATE_IDLE;
static uint8_t msg_in[MSG_IN_SIZE];
static CONFIDENTIAL uint8_t msg_in[MSG_IN_SIZE];
static uint16_t msg_id = 0xFFFF;
static uint32_t msg_size = 0;
static uint32_t msg_pos = 0;
@ -304,7 +304,7 @@ const uint8_t *msg_debug_out_data(void)
#endif
uint8_t msg_tiny[64];
CONFIDENTIAL uint8_t msg_tiny[64];
uint16_t msg_tiny_id = 0xFFFF;
void msg_read_tiny(const uint8_t *buf, int len)

6
firmware/usb.c
View File

@ -343,7 +343,7 @@ static volatile char tiny = 0;
static void hid_rx_callback(usbd_device *dev, uint8_t ep)
{
(void)ep;
static uint8_t buf[64] __attribute__ ((aligned(4)));
static CONFIDENTIAL uint8_t buf[64] __attribute__ ((aligned(4)));
if ( usbd_ep_read_packet(dev, ENDPOINT_ADDRESS_OUT, buf, 64) != 64) return;
debugLog(0, "", "hid_rx_callback");
if (!tiny) {
@ -356,7 +356,7 @@ static void hid_rx_callback(usbd_device *dev, uint8_t ep)
static void hid_u2f_rx_callback(usbd_device *dev, uint8_t ep)
{
(void)ep;
static uint8_t buf[64] __attribute__ ((aligned(4)));
static CONFIDENTIAL uint8_t buf[64] __attribute__ ((aligned(4)));
debugLog(0, "", "hid_u2f_rx_callback");
if ( usbd_ep_read_packet(dev, ENDPOINT_ADDRESS_U2F_OUT, buf, 64) != 64) return;
@ -367,7 +367,7 @@ static void hid_u2f_rx_callback(usbd_device *dev, uint8_t ep)
static void hid_debug_rx_callback(usbd_device *dev, uint8_t ep)
{
(void)ep;
static uint8_t buf[64] __attribute__ ((aligned(4)));
static CONFIDENTIAL uint8_t buf[64] __attribute__ ((aligned(4)));
if ( usbd_ep_read_packet(dev, ENDPOINT_ADDRESS_DEBUG_OUT, buf, 64) != 64) return;
debugLog(0, "", "hid_debug_rx_callback");
if (!tiny) {