Move Secure Boot to another branch.
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
parent
7583ecff18
commit
8cb2484aa3
3 changed files with 2 additions and 80 deletions
58
src/fs/otp.c
58
src/fs/otp.c
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@ -179,64 +179,6 @@ bool otp_is_secure_boot_locked() {
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return false;
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}
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int otp_enable_secure_boot(uint8_t bootkey, bool secure_lock) {
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int ret = 0;
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#ifdef PICO_RP2350
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alignas(2) uint8_t BOOTKEY[] = "\xe1\xd1\x6b\xa7\x64\xab\xd7\x12\xd4\xef\x6e\x3e\xdd\x74\x4e\xd5\x63\x8c\x26\xb\x77\x1c\xf9\x81\x51\x11\xb\xaf\xac\x9b\xc8\x71";
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if (is_empty_otp_buffer(OTP_DATA_BOOTKEY0_0_ROW + 0x10*bootkey, 32)) {
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PICOKEY_CHECK(otp_write_data(OTP_DATA_BOOTKEY0_0_ROW + 0x10*bootkey, BOOTKEY, sizeof(BOOTKEY)));
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}
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const uint8_t *boot_flags1 = otp_buffer_raw(OTP_DATA_BOOT_FLAGS1_ROW);
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alignas(4) uint8_t flagsb1[] = { boot_flags1[0] | (1 << (bootkey + OTP_DATA_BOOT_FLAGS1_KEY_VALID_LSB)), boot_flags1[1], boot_flags1[2], 0x00 };
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if (secure_lock) {
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flagsb1[1] |= ((OTP_DATA_BOOT_FLAGS1_KEY_INVALID_BITS >> OTP_DATA_BOOT_FLAGS1_KEY_INVALID_LSB) & (~(1 << bootkey)));
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}
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_BOOT_FLAGS1_ROW, flagsb1, sizeof(flagsb1)));
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_BOOT_FLAGS1_R1_ROW, flagsb1, sizeof(flagsb1)));
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_BOOT_FLAGS1_R2_ROW, flagsb1, sizeof(flagsb1)));
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const uint8_t *crit1 = otp_buffer_raw(OTP_DATA_CRIT1_ROW);
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alignas(4) uint8_t flagsc1[] = { crit1[0] | (1 << OTP_DATA_CRIT1_SECURE_BOOT_ENABLE_LSB), crit1[1], crit1[2], 0x00 };
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if (secure_lock) {
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flagsc1[0] |= (1 << OTP_DATA_CRIT1_DEBUG_DISABLE_LSB);
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flagsc1[0] |= (1 << OTP_DATA_CRIT1_GLITCH_DETECTOR_ENABLE_LSB);
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flagsc1[0] |= (3 << OTP_DATA_CRIT1_GLITCH_DETECTOR_SENS_LSB);
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}
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_CRIT1_ROW, flagsc1, sizeof(flagsc1)));
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_CRIT1_R1_ROW, flagsc1, sizeof(flagsc1)));
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_CRIT1_R2_ROW, flagsc1, sizeof(flagsc1)));
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_CRIT1_R3_ROW, flagsc1, sizeof(flagsc1)));
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_CRIT1_R4_ROW, flagsc1, sizeof(flagsc1)));
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_CRIT1_R5_ROW, flagsc1, sizeof(flagsc1)));
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_CRIT1_R6_ROW, flagsc1, sizeof(flagsc1)));
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_CRIT1_R7_ROW, flagsc1, sizeof(flagsc1)));
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if (secure_lock) {
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const uint8_t *page1 = otp_buffer_raw(OTP_DATA_PAGE1_LOCK1_ROW);
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uint8_t page1v = page1[0] | (OTP_DATA_PAGE1_LOCK1_LOCK_BL_VALUE_READ_ONLY << OTP_DATA_PAGE1_LOCK1_LOCK_BL_LSB);
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alignas(4) uint8_t flagsp1[] = { page1v, page1v, page1v, 0x00 };
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_PAGE1_LOCK1_ROW, flagsp1, sizeof(flagsp1)));
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const uint8_t *page2 = otp_buffer_raw(OTP_DATA_PAGE2_LOCK1_ROW);
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uint8_t page2v = page2[0] | (OTP_DATA_PAGE2_LOCK1_LOCK_BL_VALUE_READ_ONLY << OTP_DATA_PAGE2_LOCK1_LOCK_BL_LSB);
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alignas(4) uint8_t flagsp2[] = { page2v, page2v, page2v, 0x00 };
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PICOKEY_CHECK(otp_write_data_raw(OTP_DATA_PAGE2_LOCK1_ROW, flagsp2, sizeof(flagsp2)));
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}
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#elif defined(ESP_PLATFORM)
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// TODO: Implement secure boot for ESP32-S3
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#else
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(void)bootkey;
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(void)secure_lock;
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#endif // PICO_RP2350
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goto err;
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err:
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if (ret != PICOKEY_OK) {
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return ret;
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}
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return PICOKEY_OK;
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}
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#ifdef PICO_RP2350
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static void otp_invalidate_key(uint16_t row, uint16_t len) {
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if (!is_empty_otp_buffer(row, len)) {
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@ -44,7 +44,6 @@ extern int otp_write_data_raw(uint16_t row, const uint8_t *data, uint16_t len);
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#endif
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extern int otp_enable_secure_boot(uint8_t bootkey, bool secure_lock);
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extern void init_otp_files();
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extern const uint8_t *otp_key_1;
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23
src/rescue.c
23
src/rescue.c
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@ -54,6 +54,8 @@ int rescue_select(app_t *a, uint8_t force) {
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res_APDU[res_APDU_size++] = PICO_PRODUCT;
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res_APDU[res_APDU_size++] = PICO_VERSION_MAJOR;
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res_APDU[res_APDU_size++] = PICO_VERSION_MINOR;
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memcpy(res_APDU + res_APDU_size, pico_serial.id, PICO_UNIQUE_BOARD_ID_SIZE_BYTES);
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res_APDU_size += PICO_UNIQUE_BOARD_ID_SIZE_BYTES;
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apdu.ne = res_APDU_size;
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if (force) {
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scan_flash();
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@ -124,23 +126,6 @@ int cmd_read() {
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return SW_OK();
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}
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#if defined(PICO_RP2350) || defined(ESP_PLATFORM)
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int cmd_secure() {
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if (apdu.nc != 0) {
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return SW_WRONG_LENGTH();
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}
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uint8_t bootkey = P1(apdu);
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bool secure_lock = P2(apdu) == 0x1;
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int ret = otp_enable_secure_boot(bootkey, secure_lock);
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if (ret != 0) {
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return SW_EXEC_ERROR();
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}
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return SW_OK();
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}
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#endif
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#ifdef PICO_PLATFORM
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int cmd_reboot_bootsel() {
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if (apdu.nc != 0) {
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@ -164,15 +149,11 @@ int cmd_reboot_bootsel() {
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#endif
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#define INS_WRITE 0x1C
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#define INS_SECURE 0x1D
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#define INS_READ 0x1E
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#define INS_REBOOT_BOOTSEL 0x1F
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static const cmd_t cmds[] = {
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{ INS_WRITE, cmd_write },
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#if defined(PICO_RP2350) || defined(ESP_PLATFORM)
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{ INS_SECURE, cmd_secure },
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#endif
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{ INS_READ, cmd_read },
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#ifdef PICO_PLATFORM
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{ INS_REBOOT_BOOTSEL, cmd_reboot_bootsel },
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