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https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-22 20:31:14 +00:00
fusee: support getting old tsec key from new tsec fw.
This commit is contained in:
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eab5e0df9b
commit
c3569ec5e2
7 changed files with 50 additions and 26 deletions
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@ -20,7 +20,9 @@
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/* This serves to set configuration for *exosphere itself*, separate from the SecMon Exosphere mimics. */
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/* This serves to set configuration for *exosphere itself*, separate from the SecMon Exosphere mimics. */
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/* "XBC0" */
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/* "XBC0" */
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#define MAGIC_EXOSPHERE_BOOTCONFIG (0x30434258)
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#define MAGIC_EXOSPHERE_BOOTCONFIG_0 (0x30434258)
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/* "XBC1" */
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#define MAGIC_EXOSPHERE_BOOTCONFIG (0x31434258)
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#define EXOSPHERE_TARGET_FIRMWARE_100 1
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#define EXOSPHERE_TARGET_FIRMWARE_100 1
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#define EXOSPHERE_TARGET_FIRMWARE_200 2
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#define EXOSPHERE_TARGET_FIRMWARE_200 2
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@ -28,13 +30,18 @@
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#define EXOSPHERE_TARGET_FIRMWARE_400 4
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#define EXOSPHERE_TARGET_FIRMWARE_400 4
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#define EXOSPHERE_TARGET_FIRMWARE_500 5
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#define EXOSPHERE_TARGET_FIRMWARE_500 5
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#define EXOSPHERE_TARGET_FIRMWARE_600 6
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#define EXOSPHERE_TARGET_FIRMWARE_600 6
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#define EXOSPHERE_TARGET_FIRMWARE_620 7
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#define EXOSPHERE_TARGET_FIRMWARE_MIN EXOSPHERE_TARGET_FIRMWARE_100
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#define EXOSPHERE_TARGET_FIRMWARE_MIN EXOSPHERE_TARGET_FIRMWARE_100
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#define EXOSPHERE_TARGET_FIRMWARE_MAX EXOSPHERE_TARGET_FIRMWARE_600
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#define EXOSPHERE_TARGET_FIRMWARE_MAX EXOSPHERE_TARGET_FIRMWARE_620
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#define EXOSPHERE_FLAGS_DEFAULT 0x00000000
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#define EXOSPHERE_FLAG_PERFORM_620_KEYGEN (1 << 0u)
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typedef struct {
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typedef struct {
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unsigned int magic;
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unsigned int magic;
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unsigned int target_firmware;
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unsigned int target_firmware;
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unsigned int flags;
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} exosphere_config_t;
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} exosphere_config_t;
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#define MAILBOX_EXOSPHERE_CONFIGURATION ((volatile exosphere_config_t *)(0x40002E40))
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#define MAILBOX_EXOSPHERE_CONFIGURATION ((volatile exosphere_config_t *)(0x40002E40))
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@ -56,7 +56,7 @@ static const uint8_t AL16 masterkey_4x_seed[0x10] = {
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static nx_dec_keyblob_t AL16 g_dec_keyblobs[32];
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static nx_dec_keyblob_t AL16 g_dec_keyblobs[32];
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static int get_tsec_key(void *dst, const void *tsec_fw, size_t tsec_fw_size, uint32_t tsec_key_id) {
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static int get_tsec_key(void *dst, const void *tsec_fw, size_t tsec_fw_size, uint32_t tsec_key_id) {
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return tsec_get_key(dst, tsec_key_id, tsec_fw);
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return tsec_get_key(dst, tsec_key_id, tsec_fw, tsec_fw_size);
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}
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}
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static int get_keyblob(nx_keyblob_t *dst, uint32_t revision, const nx_keyblob_t *keyblobs, uint32_t available_revision) {
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static int get_keyblob(nx_keyblob_t *dst, uint32_t revision, const nx_keyblob_t *keyblobs, uint32_t available_revision) {
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@ -125,9 +125,10 @@ int derive_nx_keydata(uint32_t target_firmware, const nx_keyblob_t *keyblobs, ui
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set_aes_keyslot_flags(0xD, 0x15);
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set_aes_keyslot_flags(0xD, 0x15);
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/* Set TSEC key. */
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/* Set TSEC key. */
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if (get_tsec_key(work_buffer, tsec_fw, tsec_fw_size, 1) != 0) {
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if (get_tsec_key(work_buffer, tsec_fw, tsec_fw_size, 1) != 0) {
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return -1;
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return -1;
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}
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}
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set_aes_keyslot(0xD, work_buffer, 0x10);
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set_aes_keyslot(0xD, work_buffer, 0x10);
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/* Decrypt all keyblobs, setting keyslot 0xF correctly. */
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/* Decrypt all keyblobs, setting keyslot 0xF correctly. */
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@ -76,8 +76,15 @@ static uint32_t nxboot_get_target_firmware(const void *package1loader) {
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return EXOSPHERE_TARGET_FIRMWARE_400;
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return EXOSPHERE_TARGET_FIRMWARE_400;
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case 0x0B: /* 5.0.0 - 5.1.0 */
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case 0x0B: /* 5.0.0 - 5.1.0 */
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return EXOSPHERE_TARGET_FIRMWARE_500;
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return EXOSPHERE_TARGET_FIRMWARE_500;
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case 0x0E: /* 6.0.0 */
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case 0x0E: { /* 6.0.0 - 6.2.0 */
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return EXOSPHERE_TARGET_FIRMWARE_600;
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if (memcmp(package1loader_header->build_timestamp, "20180802", 8) == 0) {
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return EXOSPHERE_TARGET_FIRMWARE_600;
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} else if (memcmp(package1loader_header->build_timestamp, "20181107", 8) == 0) {
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return EXOSPHERE_TARGET_FIRMWARE_620;
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} else {
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fatal_error("[NXBOOT]: Unable to identify package1!\n");
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}
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}
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default:
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default:
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return 0;
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return 0;
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}
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}
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@ -88,6 +95,7 @@ static void nxboot_configure_exosphere(uint32_t target_firmware) {
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exo_cfg.magic = MAGIC_EXOSPHERE_BOOTCONFIG;
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exo_cfg.magic = MAGIC_EXOSPHERE_BOOTCONFIG;
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exo_cfg.target_firmware = target_firmware;
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exo_cfg.target_firmware = target_firmware;
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exo_cfg.flags = EXOSPHERE_FLAGS_DEFAULT;
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if (ini_parse_string(get_loader_ctx()->bct0, exosphere_ini_handler, &exo_cfg) < 0) {
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if (ini_parse_string(get_loader_ctx()->bct0, exosphere_ini_handler, &exo_cfg) < 0) {
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fatal_error("[NXBOOT]: Failed to parse BCT.ini!\n");
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fatal_error("[NXBOOT]: Failed to parse BCT.ini!\n");
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@ -261,10 +269,17 @@ uint32_t nxboot_main(void) {
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}
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}
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fclose(boot0);
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fclose(boot0);
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/* Find the system's target firmware. */
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uint32_t target_firmware = nxboot_get_target_firmware(package1loader);
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if (!target_firmware)
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fatal_error("[NXBOOT]: Failed to detect target firmware!\n");
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else
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print(SCREEN_LOG_LEVEL_INFO, "[NXBOOT]: Detected target firmware %ld!\n", target_firmware);
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/* Read the TSEC firmware from a file, otherwise from PK1L. */
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/* Read the TSEC firmware from a file, otherwise from PK1L. */
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if (loader_ctx->tsecfw_path[0] != '\0') {
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if (loader_ctx->tsecfw_path[0] != '\0') {
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tsec_fw_size = get_file_size(loader_ctx->tsecfw_path);
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tsec_fw_size = get_file_size(loader_ctx->tsecfw_path);
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if ((tsec_fw_size != 0) && (tsec_fw_size != 0xF00)) {
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if ((tsec_fw_size != 0) && (tsec_fw_size != 0xF00 && tsec_fw_size != 0x2900)) {
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fatal_error("[NXBOOT]: TSEC firmware from %s has a wrong size!\n", loader_ctx->tsecfw_path);
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fatal_error("[NXBOOT]: TSEC firmware from %s has a wrong size!\n", loader_ctx->tsecfw_path);
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} else if (tsec_fw_size == 0) {
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} else if (tsec_fw_size == 0) {
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fatal_error("[NXBOOT]: Could not read the TSEC firmware from %s!\n", loader_ctx->tsecfw_path);
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fatal_error("[NXBOOT]: Could not read the TSEC firmware from %s!\n", loader_ctx->tsecfw_path);
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@ -280,19 +295,16 @@ uint32_t nxboot_main(void) {
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fatal_error("[NXBOOT]: Could not read the TSEC firmware from %s!\n", loader_ctx->tsecfw_path);
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fatal_error("[NXBOOT]: Could not read the TSEC firmware from %s!\n", loader_ctx->tsecfw_path);
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}
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}
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} else {
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} else {
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tsec_fw_size = package1_get_tsec_fw(&tsec_fw, package1loader, package1loader_size);
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if (!package1_get_tsec_fw(&tsec_fw, package1loader, package1loader_size)) {
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if (tsec_fw_size == 0) {
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fatal_error("[NXBOOT]: Failed to read the TSEC firmware from Package1loader!\n");
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fatal_error("[NXBOOT]: Failed to read the TSEC firmware from Package1loader!\n");
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}
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}
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if (target_firmware >= EXOSPHERE_TARGET_FIRMWARE_620) {
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tsec_fw_size = 0x2900;
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} else {
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tsec_fw_size = 0xF00;
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}
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}
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}
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/* Find the system's target firmware. */
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uint32_t target_firmware = nxboot_get_target_firmware(package1loader);
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if (!target_firmware)
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fatal_error("[NXBOOT]: Failed to detect target firmware!\n");
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else
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print(SCREEN_LOG_LEVEL_INFO, "[NXBOOT]: Detected target firmware %ld!\n", target_firmware);
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print(SCREEN_LOG_LEVEL_MANDATORY, "[NXBOOT]: Loaded firmware from eMMC...\n");
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print(SCREEN_LOG_LEVEL_MANDATORY, "[NXBOOT]: Loaded firmware from eMMC...\n");
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/* Setup boot configuration for Exosphère. */
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/* Setup boot configuration for Exosphère. */
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@ -90,15 +90,19 @@ int package1_read_and_parse_boot0(void **package1loader, size_t *package1loader_
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return 0;
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return 0;
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}
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}
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size_t package1_get_tsec_fw(void **tsec_fw, const void *package1loader, size_t package1loader_size) {
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bool package1_get_tsec_fw(void **tsec_fw, const void *package1loader, size_t package1loader_size) {
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/* The TSEC firmware is always located at a 256-byte aligned address. */
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/* The TSEC firmware is always located at a 256-byte aligned address. */
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/* We're looking for its 4 first bytes. We assume its size is always 0xF00 bytes. */
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/* We're looking for its 4 first bytes. */
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const uint32_t *pos;
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const uint32_t *pos;
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uintptr_t pk1l = (uintptr_t)package1loader;
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uintptr_t pk1l = (uintptr_t)package1loader;
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for (pos = (const uint32_t *)pk1l; (uintptr_t)pos < pk1l + package1loader_size && *pos != 0xCF42004D; pos += 0x40);
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for (pos = (const uint32_t *)pk1l; (uintptr_t)pos < pk1l + package1loader_size; pos += 0x40) {
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if (*pos == 0xCF42004D) {
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(*tsec_fw) = (void *)pos;
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return true;
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}
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}
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(*tsec_fw) = (void *)pos;
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return false;
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return 0xF00;
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}
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}
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size_t package1_get_encrypted_package1(package1_header_t **package1, uint8_t *ctr, const void *package1loader, size_t package1loader_size) {
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size_t package1_get_encrypted_package1(package1_header_t **package1, uint8_t *ctr, const void *package1loader, size_t package1loader_size) {
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@ -46,7 +46,7 @@ typedef struct {
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int package1_read_and_parse_boot0(void **package1loader, size_t *package1loader_size, nx_keyblob_t *keyblobs, uint32_t *revision, FILE *boot0);
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int package1_read_and_parse_boot0(void **package1loader, size_t *package1loader_size, nx_keyblob_t *keyblobs, uint32_t *revision, FILE *boot0);
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size_t package1_get_tsec_fw(void **tsec_fw, const void *package1loader, size_t package1loader_size);
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bool package1_get_tsec_fw(void **tsec_fw, const void *package1loader, size_t package1loader_size);
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size_t package1_get_encrypted_package1(package1_header_t **package1, uint8_t *ctr, const void *package1loader, size_t package1loader_size);
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size_t package1_get_encrypted_package1(package1_header_t **package1, uint8_t *ctr, const void *package1loader, size_t package1loader_size);
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/* Must be aligned to 16 bytes. */
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/* Must be aligned to 16 bytes. */
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@ -49,7 +49,7 @@ static int tsec_dma_phys_to_flcn(bool is_imem, uint32_t flcn_offset, uint32_t ph
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return tsec_dma_wait_idle();
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return tsec_dma_wait_idle();
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}
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}
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int tsec_get_key(uint8_t *key, uint32_t rev, const void *tsec_fw)
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int tsec_get_key(uint8_t *key, uint32_t rev, const void *tsec_fw, size_t tsec_fw_size)
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{
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{
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volatile tegra_tsec_t *tsec = tsec_get_regs();
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volatile tegra_tsec_t *tsec = tsec_get_regs();
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@ -82,7 +82,7 @@ int tsec_get_key(uint8_t *key, uint32_t rev, const void *tsec_fw)
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/* Load firmware. */
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/* Load firmware. */
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tsec->FALCON_DMATRFBASE = (uint32_t)tsec_fw >> 8;
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tsec->FALCON_DMATRFBASE = (uint32_t)tsec_fw >> 8;
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for (uint32_t addr = 0; addr < 0xF00; addr += 0x100)
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for (uint32_t addr = 0; addr < tsec_fw_size; addr += 0x100)
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{
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{
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if (!tsec_dma_phys_to_flcn(true, addr, addr))
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if (!tsec_dma_phys_to_flcn(true, addr, addr))
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{
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{
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@ -109,6 +109,6 @@ static inline volatile tegra_tsec_t *tsec_get_regs(void)
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return (volatile tegra_tsec_t *)TSEC_BASE;
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return (volatile tegra_tsec_t *)TSEC_BASE;
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}
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}
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int tsec_get_key(uint8_t *key, uint32_t rev, const void *tsec_fw);
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int tsec_get_key(uint8_t *key, uint32_t rev, const void *tsec_fw, size_t tsec_fw_size);
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#endif
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#endif
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