LowLevel/Luma3DS-3GX
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Don't set retail keys on dev units.

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This commit is contained in:
TuxSH
2016-08-06 22:38:06 +02:00
parent 18b5cdcddf
commit 905777466d
11 changed files with 184 additions and 14 deletions
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32
source/crypto.c
View File

@@ -311,8 +311,12 @@ void ctrNandInit(void)
if(isN3DS)
{
u8 __attribute__((aligned(4))) keyY0x5[0x10] = {0x4D, 0x80, 0x4F, 0x4E, 0x99, 0x90, 0x19, 0x46, 0x13, 0xA2, 0x04, 0xAC, 0x58, 0x44, 0x60, 0xBE};
aes_setkey(0x05, keyY0x5, AES_KEYY, AES_INPUT_BE | AES_INPUT_NORMAL);
if(!isDevUnit)
{
u8 __attribute__((aligned(4))) keyY0x5[0x10] = {0x4D, 0x80, 0x4F, 0x4E, 0x99, 0x90, 0x19, 0x46, 0x13, 0xA2, 0x04, 0xAC, 0x58, 0x44, 0x60, 0xBE};
aes_setkey(0x05, keyY0x5, AES_KEYY, AES_INPUT_BE | AES_INPUT_NORMAL);
}
nandSlot = 0x05;
fatStart = 0x5CAD7;
}
@@ -350,11 +354,14 @@ u32 ctrNandRead(u32 sector, u32 sectorCount, u8 *outbuf)
//Sets the 7.x NCCH KeyX and the 6.x gamecard save data KeyY
void setRSAMod0DerivedKeys(void)
{
const u8 __attribute__((aligned(4))) keyX0x25[0x10] = {0xCE, 0xE7, 0xD8, 0xAB, 0x30, 0xC0, 0x0D, 0xAE, 0x85, 0x0E, 0xF5, 0xE3, 0x82, 0xAC, 0x5A, 0xF3};
const u8 __attribute__((aligned(4))) keyY0x2F[0x10] = {0xC3, 0x69, 0xBA, 0xA2, 0x1E, 0x18, 0x8A, 0x88, 0xA9, 0xAA, 0x94, 0xE5, 0x50, 0x6A, 0x9F, 0x16};
if(!isDevUnit)
{
const u8 __attribute__((aligned(4))) keyX0x25[0x10] = {0xCE, 0xE7, 0xD8, 0xAB, 0x30, 0xC0, 0x0D, 0xAE, 0x85, 0x0E, 0xF5, 0xE3, 0x82, 0xAC, 0x5A, 0xF3};
const u8 __attribute__((aligned(4))) keyY0x2F[0x10] = {0xC3, 0x69, 0xBA, 0xA2, 0x1E, 0x18, 0x8A, 0x88, 0xA9, 0xAA, 0x94, 0xE5, 0x50, 0x6A, 0x9F, 0x16};
aes_setkey(0x25, keyX0x25, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
aes_setkey(0x2F, keyY0x2F, AES_KEYY, AES_INPUT_BE | AES_INPUT_NORMAL);
aes_setkey(0x25, keyX0x25, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
aes_setkey(0x2F, keyY0x2F, AES_KEYY, AES_INPUT_BE | AES_INPUT_NORMAL);
}
}
//Decrypt a FIRM ExeFS
@@ -410,11 +417,16 @@ void arm9Loader(u8 *arm9Section)
if(a9lVersion)
{
const u8 __attribute__((aligned(4))) key1[0x10] = {0x07, 0x29, 0x44, 0x38, 0xF8, 0xC9, 0x75, 0x93, 0xAA, 0x0E, 0x4A, 0xB4, 0xAE, 0x84, 0xC1, 0xD8};
const u8 __attribute__((aligned(4))) key2[0x10] = {0x42, 0x3F, 0x81, 0x7A, 0x23, 0x52, 0x58, 0x31, 0x6E, 0x75, 0x8E, 0x3A, 0x39, 0x43, 0x2E, 0xD0};
u8 __attribute__((aligned(4))) keyX[0x10];
if(!isDevUnit)
{
const u8 __attribute__((aligned(4))) key1[0x10] = {0x07, 0x29, 0x44, 0x38, 0xF8, 0xC9, 0x75, 0x93, 0xAA, 0x0E, 0x4A, 0xB4, 0xAE, 0x84, 0xC1, 0xD8};
const u8 __attribute__((aligned(4))) key2[0x10] = {0x42, 0x3F, 0x81, 0x7A, 0x23, 0x52, 0x58, 0x31, 0x6E, 0x75, 0x8E, 0x3A, 0x39, 0x43, 0x2E, 0xD0};
aes_setkey(0x11, a9lVersion == 2 ? key2 : key1, AES_KEYNORMAL, AES_INPUT_BE | AES_INPUT_NORMAL);
}
aes_setkey(0x11, a9lVersion == 2 ? key2 : key1, AES_KEYNORMAL, AES_INPUT_BE | AES_INPUT_NORMAL);
aes_use_keyslot(0x11);
aes(keyX, arm9Section + 0x60, 1, NULL, AES_ECB_DECRYPT_MODE, 0);
aes_setkey(arm9BinSlot, keyX, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
@@ -428,7 +440,7 @@ void arm9Loader(u8 *arm9Section)
aes(arm9Section + 0x800, arm9Section + 0x800, arm9BinSize / AES_BLOCK_SIZE, arm9BinCTR, AES_CTR_MODE, AES_INPUT_BE | AES_INPUT_NORMAL);
//Set >=9.6 KeyXs
if(a9lVersion == 2)
if(a9lVersion == 2 && !isDevUnit)
{
u8 __attribute__((aligned(4))) keyData[0x10] = {0xDD, 0xDA, 0xA4, 0xC6, 0x2C, 0xC4, 0x50, 0xE9, 0xDA, 0xB6, 0x9B, 0x0D, 0x9D, 0x2A, 0x21, 0x98};
u8 __attribute__((aligned(4))) decKey[0x10];

1
source/crypto.h
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@@ -101,6 +101,7 @@
extern u32 emuOffset;
extern bool isN3DS;
extern bool isDevUnit;
extern FirmwareSource firmSource;
void ctrNandInit(void);

5
source/firm.c
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@@ -42,7 +42,7 @@ static const firmSectionHeader *section;
u32 config,
emuOffset;
bool isN3DS;
bool isN3DS, isDevUnit;
FirmwareSource firmSource;
@@ -64,6 +64,9 @@ void main(void)
//Detect the console being used
isN3DS = PDN_MPCORE_CFG == 7;
//Detect dev units
isDevUnit = CFG_UNITINFO != 0;
//Mount filesystems. CTRNAND will be mounted only if/when needed
mountFs();

1
source/firm.h
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@@ -27,6 +27,7 @@
#define PDN_MPCORE_CFG (*(vu32 *)0x10140FFC)
#define PDN_SPI_CNT (*(vu32 *)0x101401C0)
#define CFG_BOOTENV (*(vu32 *)0x10010000)
#define CFG_UNITINFO (*(vu8 *)0x10010010)
//FIRM Header layout
typedef struct firmSectionHeader {