SceMsif: Difference between revisions
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gets data that is used to calculate sha224 digest | gets data that is used to calculate sha224 digest | ||
this digest is used to verify static table of sha224 digests | this digest is used to verify static table of sha224 digests | ||
that is decrypted internally using keys that are derived from [SceSblSsMgr#dec_aes_key_msif|dec_aes_key_msif] | |||
that is decrypted internally using keys that are derived from [[SceSblSsMgr#dec_aes_key_msif|dec_aes_key_msif]] | |||
<source lang="c"> | <source lang="c"> |
Revision as of 00:11, 21 July 2017
Module
Known NIDs
Version | Name | World | Privilege | NID |
---|---|---|---|---|
1.69 | SceMsif | Non-secure | Kernel | 0xFA979E8E |
3.60 | SceMsif | ? | Kernel | 0x3305A0FE |
Libraries
Known NIDs
Version | Name | World | Visibility | NID |
---|---|---|---|---|
1.69 | SceMsifForDriver | Non-secure | Kernel | 0xB706084A |
3.60 | SceMsifForDriver | ? | Kernel | 0xB706084A |
Types
typedef struct SceMsif_ctx //size is 0x440 { void* SceMsif_memblock1_base; // 0x0 SceUID SceMsif_memblock1_id; // 0x4 - size 0x1000 - mapped to 0xE0900000 uint32_t unk_8; // = 0 SceUID SceMsif_evid; // 0xC fast_mutex SceMsif_fast_mutex; //0x10 - size is 0x40 SceUID SceMsif_memblock2_id; // 0x50 uint32_t unk_54; uint32_t unk_58; // = 0 - used for suspend resume intr uint8_t unk_5C; uint8_t unk_5D; uint8_t unk_5E; // timewide byte uint8_t unk_5F; // timewide byte uint32_t unk_60; uint32_t unk_64; uint32_t unk_68; uint32_t unk_6C; void* paddr_70; // 0x70 - physical address of unk_180 void* paddr_74; // 0x74 - physical address of unk_1C0 void* SceMsif_memblock2_base; // 0x78 - size 0x18000 void* unk_7C; // = 0xB9E840 (840) addr_pair paddr_list_80[4]; uint8_t unk_A0[0xE0]; uint8_t unk_180[0x40]; // buffer for accessing device (invalidate range). size confirmed. uint8_t unk_1C0[0x50]; // buffer for accessing device (invalidate range). size confirmed. void* paddr_210; // 0x210 - physical address of SceMsif_memblock2_base uint8_t unk_214[0x214]; SceUID SceMsifSleepCtrl_evid; // 428 SceUID SceMsifSleepCtrl_thid; // 42C - thread id uint32_t unk_430; // = 0 uint32_t unk_434; // = 0 uint32_t unk_438; uint32_t unk_43C; }SceMsif_ctx;
Data segment layout
Address | Size | Description |
---|---|---|
0x0000 | 0x4 | SceMsif_subctx* |
0x0004 | 0x4 | pointer to data at offset 0x18 |
0x0008 | 0x4 | unknown |
0x000C | 0x4 | unknown |
0x0010 | 0x4 | pointer to table of 11 function pointers |
0x0014 | 0x146C | unknown |
0x1480 | 0x440 | SceMsif_ctx |
0x18C0 | 0x4 | SceMsif suspend callback id |
0x18C4 | 0x4 | unknown |
0x18C8 | 0x8 | UInt64 wide time |
0x18D0 | 0x8 | UInt64 probably time in ms |
0x18D8 | 0xE0 | decrypted data - array of 8 elements of size 0x1C (0x1C is probably size of sha224) |
0x19B8 | 0x4 | flag that shows that static sha224 table is decrypted |
0x19BC | 0x4 | F00D comm id (obtained with sceSblSmCommStartSm) |
SceMsifForDriver
module_start
Version | NID |
---|---|
3.60 | 0x935cd196 |
int module_start();
read_sector
Version | NID |
---|---|
3.60 | 0x58654AA3 |
int ms_read_sector(int sector, char* buffer, int nSectors);
write_sector
Version | NID |
---|---|
3.60 | 0x329035EF |
int ms_write_sector(int sector, char* buffer, int nSectors);
enable_slow_mode
Version | NID |
---|---|
3.60 | 0x4B751CE6 |
int ms_enable_slow_mode();
disable_slow_mode
Version | NID |
---|---|
3.60 | 0x75848756 |
int ms_disable_slow_mode();
get_slow_mode_state
Version | NID |
---|---|
3.60 | 0x491E25B5 |
int ms_get_slow_mode_state();
init1
Version | NID |
---|---|
3.60 | 0x4EA579EF |
part of functionality is same as get_sha224_digest_source
int ms_init1();
init2
Version | NID |
---|---|
3.60 | 0xD0307849 |
int ms_init2(void* unk0_40);
ms_get_state
Version | NID |
---|---|
3.60 | 0xF997286B |
int init_mbr();
ms_substract_pair
Version | NID |
---|---|
3.60 | 0x855E1E38 |
typedef struct ms_pair { uint32_t unk_0; uint32_t unk_4; } ms_pair; ms_pair ms_substract_pair();
ms_unk
Version | NID |
---|---|
3.60 | 0x0f86BEEA |
int ms_unk(int unk0, int unk1);
ms_unk
Version | NID |
---|---|
3.60 | 0x6EDE7DBA |
int ms_unk(int unk0);
get_sha224_digest_source
Version | NID |
---|---|
3.60 | 0x718BDFDE |
gets data that is used to calculate sha224 digest
this digest is used to verify static table of sha224 digests
that is decrypted internally using keys that are derived from dec_aes_key_msif
//sha224_ds is of size 0x10 int get_sha224_digest_source(char* sha224_ds);