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Fix TWL key 0x03 init for devkits

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TuxSH 2017-06-04 03:48:01 +02:00 committed by d0k3
parent a75f77ad13
commit a27bd1f82d
1 changed files with 26 additions and 18 deletions
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36
source/nand/nand.c
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@ -31,11 +31,17 @@ static const u8 slot0x05KeyY_sha256[0x20] = { // hash for slot0x05KeyY (16 byte)
0x98, 0x24, 0x27, 0x14, 0x22, 0xB0, 0x6B, 0xF2, 0x10, 0x96, 0x9C, 0x36, 0x42, 0x53, 0x7C, 0x86,
0x62, 0x22, 0x5C, 0xFD, 0x6F, 0xAE, 0x9B, 0x0A, 0x85, 0xA5, 0xCE, 0x21, 0xAA, 0xB6, 0xC8, 0x4D
};
static const u8 slot0x24KeyY_sha256[0x20] = { // hash for slot0x24KeyY (16 byte)
0x5F, 0x04, 0x01, 0x22, 0x95, 0xB2, 0x23, 0x70, 0x12, 0x40, 0x53, 0x30, 0xC0, 0xA7, 0xBF, 0x7C,
0xD4, 0x40, 0x92, 0x25, 0xD1, 0x9D, 0xA2, 0xDE, 0xCD, 0xC7, 0x12, 0x97, 0x08, 0x46, 0x54, 0xB7
};
static const u8 slot0x03KeyYdev_sha256[0x20] = { // slot0x03KeyY hash for devkits only (16 byte)
0x4D, 0xBB, 0xDD, 0x08, 0x2B, 0xE3, 0xDF, 0x48, 0x51, 0x2D, 0xBD, 0xF9, 0xED, 0xDA, 0x0C, 0x52,
0x8F, 0x6D, 0x94, 0xB8, 0xED, 0xE4, 0x4D, 0x3A, 0xFA, 0x2A, 0x63, 0x57, 0xE4, 0xFA, 0x65, 0x69
};
static const u8 slot0x11Key95_sha256[0x20] = { // slot0x11Key95 hash (first 16 byte of sector0x96)
0xBA, 0xC1, 0x40, 0x9C, 0x6E, 0xE4, 0x1F, 0x04, 0xAA, 0xC4, 0xE2, 0x09, 0x5C, 0xE9, 0x4F, 0x78,
0x6C, 0x78, 0x5F, 0xAC, 0xEC, 0x7E, 0xC0, 0x11, 0x26, 0x9D, 0x4E, 0x47, 0xB3, 0x64, 0xC4, 0xA5
@ -142,26 +148,28 @@ bool InitNandCrypto(void)
// part #2: TWL KEY
// see: https://www.3dbrew.org/wiki/Memory_layout#ARM9_ITCM
if (IS_A9LH) { // only for a9lh (and sighax, for now)
u32* TwlCustId = (u32*) (0x01FFB808);
u8 TwlKeyX[16] __attribute__((aligned(32)));
if (IS_A9LH && !IS_SIGHAX) { // only for a9lh
u8 TwlKeyY[16] __attribute__((aligned(32)));
vu32 *RegKey0x03X = &REG_AESKEY0123[((0x30u * 0x03) + 0x10u)/4u];
// thanks b1l1s & Normmatt
// see source from https://gbatemp.net/threads/release-twltool-dsi-downgrading-save-injection-etc-multitool.393488/
const char* nintendo = "NINTENDO";
u32 TwlKeyXW0 = (TwlCustId[0] ^ 0xB358A6AF) | 0x80000000;
u32 TwlKeyXW3 = TwlCustId[1] ^ 0x08C267B7;
memcpy(TwlKeyX + 4, nintendo, 8);
memcpy(TwlKeyX + 0, &TwlKeyXW0, 4);
memcpy(TwlKeyX + 12, &TwlKeyXW3, 4);
// k9l already did the part of the init that required the OTP registers
if(IS_DEVKIT) {
// this is dfferent from key setup on retail
RegKey0x03X[1] = 0xEE7A4B1E;
RegKey0x03X[2] = 0xAF42C08B;
LoadKeyYFromP9(TwlKeyY, slot0x03KeyYdev_sha256, 0x0EC0D8, 0x03);
} else {
// see: https://www.3dbrew.org/wiki/Memory_layout#ARM9_ITCM
u32 TwlKeyYW3 = 0xE1A00005;
memcpy(TwlKeyY, (u8*) 0x01FFD3C8, 12);
RegKey0x03X[1] = *(vu32*)0x01FFD3A8; // "NINT"
RegKey0x03X[2] = *(vu32*)0x01FFD3AC; // "ENDO"
memcpy(TwlKeyY, (u8*) 0x01FFD3C8, 16);
}
static const u32 TwlKeyYW3 = 0xE1A00005;
memcpy(TwlKeyY + 12, &TwlKeyYW3, 4);
setup_aeskeyX(0x03, TwlKeyX);
setup_aeskeyY(0x03, TwlKeyY);
use_aeskey(0x03);
}