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https://github.com/trezor/trezor-firmware.git
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firmware: mark usb buffer variables confidential
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parent
2387f71813
commit
36f3b7fe09
@ -222,7 +222,7 @@ enum {
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void msg_process(char type, uint16_t msg_id, const pb_field_t *fields, uint8_t *msg_raw, uint32_t msg_size)
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void msg_process(char type, uint16_t msg_id, const pb_field_t *fields, uint8_t *msg_raw, uint32_t msg_size)
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{
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{
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static uint8_t msg_data[MSG_IN_SIZE];
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static CONFIDENTIAL uint8_t msg_data[MSG_IN_SIZE];
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memset(msg_data, 0, sizeof(msg_data));
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memset(msg_data, 0, sizeof(msg_data));
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pb_istream_t stream = pb_istream_from_buffer(msg_raw, msg_size);
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pb_istream_t stream = pb_istream_from_buffer(msg_raw, msg_size);
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bool status = pb_decode(&stream, fields, msg_data);
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bool status = pb_decode(&stream, fields, msg_data);
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@ -236,7 +236,7 @@ void msg_process(char type, uint16_t msg_id, const pb_field_t *fields, uint8_t *
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void msg_read_common(char type, const uint8_t *buf, int len)
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void msg_read_common(char type, const uint8_t *buf, int len)
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{
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{
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static char read_state = READSTATE_IDLE;
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static char read_state = READSTATE_IDLE;
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static uint8_t msg_in[MSG_IN_SIZE];
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static CONFIDENTIAL uint8_t msg_in[MSG_IN_SIZE];
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static uint16_t msg_id = 0xFFFF;
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static uint16_t msg_id = 0xFFFF;
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static uint32_t msg_size = 0;
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static uint32_t msg_size = 0;
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static uint32_t msg_pos = 0;
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static uint32_t msg_pos = 0;
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@ -304,7 +304,7 @@ const uint8_t *msg_debug_out_data(void)
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#endif
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#endif
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uint8_t msg_tiny[64];
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CONFIDENTIAL uint8_t msg_tiny[64];
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uint16_t msg_tiny_id = 0xFFFF;
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uint16_t msg_tiny_id = 0xFFFF;
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void msg_read_tiny(const uint8_t *buf, int len)
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void msg_read_tiny(const uint8_t *buf, int len)
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@ -343,7 +343,7 @@ static volatile char tiny = 0;
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static void hid_rx_callback(usbd_device *dev, uint8_t ep)
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static void hid_rx_callback(usbd_device *dev, uint8_t ep)
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{
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{
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(void)ep;
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(void)ep;
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static uint8_t buf[64] __attribute__ ((aligned(4)));
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static CONFIDENTIAL uint8_t buf[64] __attribute__ ((aligned(4)));
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if ( usbd_ep_read_packet(dev, ENDPOINT_ADDRESS_OUT, buf, 64) != 64) return;
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if ( usbd_ep_read_packet(dev, ENDPOINT_ADDRESS_OUT, buf, 64) != 64) return;
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debugLog(0, "", "hid_rx_callback");
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debugLog(0, "", "hid_rx_callback");
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if (!tiny) {
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if (!tiny) {
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@ -356,7 +356,7 @@ static void hid_rx_callback(usbd_device *dev, uint8_t ep)
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static void hid_u2f_rx_callback(usbd_device *dev, uint8_t ep)
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static void hid_u2f_rx_callback(usbd_device *dev, uint8_t ep)
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{
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{
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(void)ep;
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(void)ep;
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static uint8_t buf[64] __attribute__ ((aligned(4)));
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static CONFIDENTIAL uint8_t buf[64] __attribute__ ((aligned(4)));
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debugLog(0, "", "hid_u2f_rx_callback");
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debugLog(0, "", "hid_u2f_rx_callback");
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if ( usbd_ep_read_packet(dev, ENDPOINT_ADDRESS_U2F_OUT, buf, 64) != 64) return;
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if ( usbd_ep_read_packet(dev, ENDPOINT_ADDRESS_U2F_OUT, buf, 64) != 64) return;
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@ -367,7 +367,7 @@ static void hid_u2f_rx_callback(usbd_device *dev, uint8_t ep)
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static void hid_debug_rx_callback(usbd_device *dev, uint8_t ep)
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static void hid_debug_rx_callback(usbd_device *dev, uint8_t ep)
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{
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{
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(void)ep;
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(void)ep;
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static uint8_t buf[64] __attribute__ ((aligned(4)));
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static CONFIDENTIAL uint8_t buf[64] __attribute__ ((aligned(4)));
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if ( usbd_ep_read_packet(dev, ENDPOINT_ADDRESS_DEBUG_OUT, buf, 64) != 64) return;
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if ( usbd_ep_read_packet(dev, ENDPOINT_ADDRESS_DEBUG_OUT, buf, 64) != 64) return;
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debugLog(0, "", "hid_debug_rx_callback");
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debugLog(0, "", "hid_debug_rx_callback");
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if (!tiny) {
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if (!tiny) {
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