LowLevel/Luma3DS-3GX
Archived
1
0
Fork 0
Code Issues Pull Requests Releases 2 Wiki Activity

CTRNAND for LayeredFS and small changes

Browse Source
This commit is contained in:
Aurora Wright
2017-04-13 02:49:19 +02:00
parent 5b6bd048a9
commit c95808fa2d
6 changed files with 49 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
source/crypto.c
View File

@@ -322,8 +322,6 @@ static void sha(void *res, const void *src, u32 size, u32 mode)
void twlConsoleInfoInit(void)
{
if(CFG_SYSPROT9 & 2) return; //sorry, the lennies are currently missing
u64 twlConsoleId = CFG_UNITINFO != 0 ? OTP_DEVCONSOLEID : (0x80000000ULL | (*(vu64 *)0x01FFB808 ^ 0x8C267B7B358A6AFULL));
CFG_TWLUNITINFO = CFG_UNITINFO;
OTP_TWLCONSOLEID = twlConsoleId;
@@ -482,28 +480,6 @@ bool decryptNusFirm(const Ticket *ticket, Cxi *cxi, u32 ncchSize)
return decryptExeFs(cxi);
}
void setN3DS96Keys(void)
{
//Set 0x11 keyslot
__attribute__((aligned(4))) const u8 key2s[2][AES_BLOCK_SIZE] = {
{0x42, 0x3F, 0x81, 0x7A, 0x23, 0x52, 0x58, 0x31, 0x6E, 0x75, 0x8E, 0x3A, 0x39, 0x43, 0x2E, 0xD0},
{0xFF, 0x77, 0xA0, 0x9A, 0x99, 0x81, 0xE9, 0x48, 0xEC, 0x51, 0xC9, 0x32, 0x5D, 0x14, 0xEC, 0x25}
};
aes_setkey(0x11, key2s[ISDEVUNIT ? 1 : 0], AES_KEYNORMAL, AES_INPUT_BE | AES_INPUT_NORMAL);
__attribute__((aligned(4))) u8 keyData[AES_BLOCK_SIZE] = {0xDD, 0xDA, 0xA4, 0xC6, 0x2C, 0xC4, 0x50, 0xE9, 0xDA, 0xB6, 0x9B, 0x0D, 0x9D, 0x2A, 0x21, 0x98},
decKey[sizeof(keyData)];
//Set keys 0x19..0x1F keyXs
aes_use_keyslot(0x11);
for(u8 slot = 0x19; slot < 0x20; slot++, keyData[0xF]++)
{
aes(decKey, keyData, 1, NULL, AES_ECB_DECRYPT_MODE, 0);
aes_setkey(slot, decKey, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
}
}
void kernel9Loader(Arm9Bin *arm9Section)
{
//Determine the kernel9loader version
@@ -561,6 +537,21 @@ void kernel9Loader(Arm9Bin *arm9Section)
if(*startOfArm9Bin != 0x47704770 && *startOfArm9Bin != 0xB0862000) error("Failed to decrypt the ARM9 binary.");
}
//Set >=9.6 KeyXs
if(k9lVersion == 2)
{
__attribute__((aligned(4))) u8 keyData[AES_BLOCK_SIZE] = {0xDD, 0xDA, 0xA4, 0xC6, 0x2C, 0xC4, 0x50, 0xE9, 0xDA, 0xB6, 0x9B, 0x0D, 0x9D, 0x2A, 0x21, 0x98},
decKey[sizeof(keyData)];
//Set keys 0x19..0x1F keyXs
aes_use_keyslot(0x11);
for(u8 slot = 0x19; slot < 0x20; slot++, keyData[0xF]++)
{
aes(decKey, keyData, 1, NULL, AES_ECB_DECRYPT_MODE, 0);
aes_setkey(slot, decKey, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
}
}
}
void computePinHash(u8 *outbuf, const u8 *inbuf)

1
source/crypto.h
View File

@@ -114,7 +114,6 @@ int ctrNandWrite(u32 sector, u32 sectorCount, const u8 *inbuf);
void set6x7xKeys(void);
bool decryptExeFs(Cxi *cxi);
bool decryptNusFirm(const Ticket *ticket, Cxi *cxi, u32 ncchSize);
void setN3DS96Keys(void);
void kernel9Loader(Arm9Bin *arm9Section);
void computePinHash(u8 *outbuf, const u8 *inbuf);
void backupAndRestoreShaHash(bool isRestore);

8
source/firm.c
View File

@@ -117,6 +117,9 @@ u32 patchNativeFirm(u32 firmVersion, FirmwareSource nandType, u32 emuHeader, boo
u8 *arm9Section = (u8 *)firm + firm->section[2].offset,
*arm11Section1 = (u8 *)firm + firm->section[1].offset;
//On sighax cold boot, initialize TWL keys
if(!(CFG_SYSPROT9 & 2)) twlConsoleInfoInit();
if(ISN3DS)
{
//Decrypt ARM9Bin and patch ARM9 entrypoint to skip kernel9loader
@@ -173,11 +176,8 @@ u32 patchNativeFirm(u32 firmVersion, FirmwareSource nandType, u32 emuHeader, boo
}
//11.3 FIRM patches
if(firmVersion >= (ISN3DS ? 0x2D : 0x5C))
{
//Stub svc 0x59
if(firmVersion >= (ISN3DS ? 0x2D : 0x5C)) //Stub svc 0x59
ret += stubSvcRestrictGpuDma(arm11Section1, arm11SvcTable, baseK11VA);
}
ret += implementSvcGetCFWInfo(arm11Section1, arm11SvcTable, baseK11VA, &freeK11Space, isSafeMode);

4
source/main.c
View File

@@ -98,12 +98,10 @@ void main(void)
//Save old options and begin saving the new boot configuration
configTemp = (configData.config & 0xFFFFFF00) | ((u32)ISA9LH << 6);
twlConsoleInfoInit();
setN3DS96Keys();
//If it's a MCU reboot, try to force boot options
if(ISA9LH && CFG_BOOTENV && needConfig != CREATE_CONFIGURATION)
{
//Always force a SysNAND boot when quitting AGB_FIRM
if(CFG_BOOTENV == 7)
{