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Use cal0 struct, improve style consistency

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This commit is contained in:
shchmue 2020-06-26 14:49:42 -06:00
parent 4ffd4ce7f0
commit bd09f5418d
4 changed files with 43 additions and 40 deletions
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10
source/keys/keys.c
View File

@ -736,14 +736,14 @@ get_titlekeys:
se_aes_xts_crypt(1, 0, 0, 0, buffer, buffer, 0x4000, 1);
if (_read_le_u32(buffer, 0) != 0x304C4143) {
nx_emmc_cal0_t *cal0 = (nx_emmc_cal0_t *)buffer;
if (cal0->magic != 0x304C4143) {
EPRINTF("CAL0 magic not found. Check BIS key 0.");
goto dismount;
}
u32 cal_version = _read_le_u32(buffer, 4);
u32 keypair_generation = _read_le_u32(buffer, 0x3AD0);
if (cal_version <= 8)
u32 keypair_generation = cal0->ext_ecc_rsa2048_eticket_key_ver;
if (cal0->version <= 8)
keypair_generation = 0; // settings zeroes this out below cal version 9
if (keypair_generation) {
@ -760,7 +760,7 @@ get_titlekeys:
}
se_aes_key_set(6, temp_key, 0x10);
se_aes_crypt_ctr(6, keypair, 0x230, buffer + 0x38a0, 0x230, buffer + 0x3890);
se_aes_crypt_ctr(6, keypair, 0x230, cal0->ext_ecc_rsa2048_eticket_key + 0x10, 0x230, cal0->ext_ecc_rsa2048_eticket_key);
u8 *D = keypair, *N = keypair + 0x100, *E = keypair + 0x200;

64
source/libs/fatfs/diskio.c
View File

@ -35,74 +35,74 @@
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE pdrv /* Physical drive number to identify the drive */
BYTE pdrv /* Physical drive number to identify the drive */
)
{
return 0;
return 0;
}
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE pdrv /* Physical drive number to identify the drive */
BYTE pdrv /* Physical drive number to identify the drive */
)
{
return 0;
return 0;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE pdrv, /* Physical drive number to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
BYTE pdrv, /* Physical drive number to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
)
{
switch (pdrv)
{
case DRIVE_SD:
return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
switch (pdrv)
{
case DRIVE_SD:
return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
case DRIVE_BIS:
return nx_emmc_bis_read(sector, count, buff);
}
case DRIVE_BIS:
return nx_emmc_bis_read(sector, count, buff);
}
return RES_ERROR;
return RES_ERROR;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_write (
BYTE pdrv, /* Physical drive number to identify the drive */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to write */
BYTE pdrv, /* Physical drive number to identify the drive */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to write */
)
{
switch (pdrv)
{
case DRIVE_SD:
return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
switch (pdrv)
{
case DRIVE_SD:
return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
case DRIVE_BIS:
return RES_WRPRT;
}
case DRIVE_BIS:
return RES_WRPRT;
}
return RES_ERROR;
return RES_ERROR;
}
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive number (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
BYTE pdrv, /* Physical drive number (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
return RES_OK;
return RES_OK;
}

6
source/storage/nx_emmc_bis.c
View File

@ -54,7 +54,8 @@ static void _gf256_mul_x_le(void *block)
u32 *pdata = (u32 *)block;
u32 carry = 0;
for (u32 i = 0; i < 4; i++) {
for (u32 i = 0; i < 4; i++)
{
u32 b = pdata[i];
pdata[i] = (b << 1) | carry;
carry = b >> 31;
@ -215,7 +216,8 @@ int nx_emmc_bis_read(u32 sector, u32 count, void *buff)
return res;
}
void nx_emmc_bis_cluster_cache_init() {
void nx_emmc_bis_cluster_cache_init()
{
// Clear cluster lookup table and reset end index.
memset(cluster_lookup, -1, (system_part->lba_end - system_part->lba_start + 1) / SECTORS_PER_CLUSTER * sizeof(*cluster_lookup));
cluster_cache_end_index = 0;

3
source/storage/nx_emmc_bis.h
View File

@ -164,7 +164,8 @@ typedef struct _nx_emmc_cal0_t
u8 ext_ecc_b233_eticket_key[0x50];
u8 crc16_pad37[0x10];
u8 ext_ecc_rsa2048_eticket_key[0x240];
u8 crc16_pad38[0x10];
u32 ext_ecc_rsa2048_eticket_key_ver;
u8 crc16_pad38[0xC];
u8 ext_ssl_key[0x130];
u8 crc16_pad39[0x10];
u8 ext_gc_key[0x130];