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fusee/exo/sept: fix dev key derivation

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Jan4V 2020-01-19 09:26:10 +01:00 • committed by Michael Scire
parent 9df7f0aada
commit 471bc7cc92
9 changed files with 83 additions and 23 deletions
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12
fusee/fusee-secondary/Makefile
View file

@ -100,7 +100,7 @@ KIPFILES := loader.kip pm.kip sm.kip ams_mitm.kip spl.kip boot.kip
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) fusee-primary.bin \
exosphere.bin lp0fw.bin rebootstub.bin thermosphere.bin splash_screen.bmp \
sept-primary.bin sept-secondary_00.enc sept-secondary_01.enc emummc.kip \
kernel_ldr.bin $(KIPFILES)
sept-secondary_dev_00.enc sept-secondary_dev_01.enc kernel_ldr.bin $(KIPFILES)
#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
@ -221,6 +221,16 @@ sept_secondary_01.enc.o sept_secondary_01_enc.h: sept-secondary_01.enc
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(_bin2o)
sept_secondary_dev_00.enc.o sept_secondary_dev_00_enc.h: sept-secondary_dev_00.enc
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(_bin2o)
sept_secondary_dev_01.enc.o sept_secondary_dev_01_enc.h: sept-secondary_dev_01.enc
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(_bin2o)
%.bin.o %_bin.h: %.bin
#---------------------------------------------------------------------------------

9
fusee/fusee-secondary/src/masterkey.c
View file

@ -39,10 +39,9 @@ static const uint8_t mkey_vectors_dev[MASTERKEY_REVISION_MAX][0x10] =
{0x78, 0xD5, 0xF1, 0x20, 0x3D, 0x16, 0xE9, 0x30, 0x32, 0x27, 0x34, 0x6F, 0xCF, 0xE0, 0x27, 0xDC}, /* Master key 04 encrypted with Master key 05. */
{0x6F, 0xD2, 0x84, 0x1D, 0x05, 0xEC, 0x40, 0x94, 0x5F, 0x18, 0xB3, 0x81, 0x09, 0x98, 0x8D, 0x4E}, /* Master key 05 encrypted with Master key 06. */
{0x37, 0xAF, 0xAB, 0x35, 0x79, 0x09, 0xD9, 0x48, 0x29, 0xD2, 0xDB, 0xA5, 0xA5, 0xF5, 0x30, 0x19}, /* Master key 06 encrypted with Master key 07. */
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: Master key 07 encrypted with Master key 08. */
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: Master key 08 encrypted with Master key 09. */
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: Master key 09 encrypted with Master key 0A. */
};
{0xEC, 0xE1, 0x46, 0x89, 0x37, 0xFD, 0xD2, 0x15, 0x8C, 0x3F, 0x24, 0x82, 0xEF, 0x49, 0x68, 0x04}, /* Master key 07 encrypted with Master key 08. */
{0x43, 0x3D, 0xC5, 0x3B, 0xEF, 0x91, 0x02, 0x21, 0x61, 0x54, 0x63, 0x8A, 0x35, 0xE7, 0xCA, 0xEE}, /* Master key 08 encrypted with Master key 09. */
{0x6C, 0x2E, 0xCD, 0xB3, 0x34, 0x61, 0x77, 0xF5, 0xF9, 0xB1, 0xDD, 0x61, 0x98, 0x19, 0x3E, 0xD4}, /* Master key 09 encrypted with Master key 0A. */ };
/* Retail unit keys. */
static const uint8_t mkey_vectors[MASTERKEY_REVISION_MAX][0x10] =
@ -73,7 +72,7 @@ static bool check_mkey_revision(unsigned int revision, bool is_retail) {
}
}
se_aes_ecb_decrypt_block(check_keyslot, final_vector, 0x10, mkey_vectors[0], 0x10);
se_aes_ecb_decrypt_block(check_keyslot, final_vector, 0x10, is_retail ? mkey_vectors[0] : mkey_vectors_dev[0], 0x10);
for (unsigned int i = 0; i < 0x10; i++) {
if (final_vector[i] != 0) {
return false;

38
fusee/fusee-secondary/src/nxboot.c
View file

@ -56,6 +56,8 @@
#include "exosphere_bin.h"
#include "sept_secondary_00_enc.h"
#include "sept_secondary_01_enc.h"
#include "sept_secondary_dev_00_enc.h"
#include "sept_secondary_dev_01_enc.h"
#include "lp0fw_bin.h"
#include "emummc_kip.h"
#undef u8
@ -607,11 +609,21 @@ uint32_t nxboot_main(void) {
}
if (tsec_fw_size == 0x3000) {
sept_secondary_enc = sept_secondary_00_enc;
sept_secondary_enc_size = sept_secondary_00_enc_size;
if (fuse_get_retail_type() != 0) {
sept_secondary_enc = sept_secondary_00_enc;
sept_secondary_enc_size = sept_secondary_00_enc_size;
} else {
sept_secondary_enc = sept_secondary_dev_00_enc;
sept_secondary_enc_size = sept_secondary_dev_00_enc_size;
}
} else if (tsec_fw_size == 0x3300) {
sept_secondary_enc = sept_secondary_01_enc;
sept_secondary_enc_size = sept_secondary_01_enc_size;
if (fuse_get_retail_type() != 0) {
sept_secondary_enc = sept_secondary_01_enc;
sept_secondary_enc_size = sept_secondary_01_enc_size;
} else {
sept_secondary_enc = sept_secondary_dev_01_enc;
sept_secondary_enc_size = sept_secondary_dev_01_enc_size;
}
} else {
fatal_error("[NXBOOT] Unable to identify sept revision to run.");
}
@ -620,12 +632,22 @@ uint32_t nxboot_main(void) {
fatal_error("[NXBOOT] Failed to read the TSEC firmware from Package1loader!\n");
}
if (target_firmware >= ATMOSPHERE_TARGET_FIRMWARE_810) {
sept_secondary_enc = sept_secondary_01_enc;
sept_secondary_enc_size = sept_secondary_01_enc_size;
if (fuse_get_retail_type() != 0) {
sept_secondary_enc = sept_secondary_01_enc;
sept_secondary_enc_size = sept_secondary_01_enc_size;
} else {
sept_secondary_enc = sept_secondary_dev_01_enc;
sept_secondary_enc_size = sept_secondary_dev_01_enc_size;
}
tsec_fw_size = 0x3300;
} else if (target_firmware >= ATMOSPHERE_TARGET_FIRMWARE_700) {
sept_secondary_enc = sept_secondary_00_enc;
sept_secondary_enc_size = sept_secondary_00_enc_size;
if (fuse_get_retail_type() != 0) {
sept_secondary_enc = sept_secondary_00_enc;
sept_secondary_enc_size = sept_secondary_00_enc_size;
} else {
sept_secondary_enc = sept_secondary_dev_00_enc;
sept_secondary_enc_size = sept_secondary_dev_00_enc_size;
}
tsec_fw_size = 0x3000;
} else if (target_firmware == ATMOSPHERE_TARGET_FIRMWARE_620) {
tsec_fw_size = 0x2900;