Cmep Key Ring Base
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Address = 0xE0058000 + 32 * Slot
Permission bits
If a key slot is not locked, it can target f00d memory or unlocked keyslot
Bit | Function |
---|---|
0x01 | Encryption operation allowed |
0x02 | Decryption operation allowed |
0x04 | ? operation allowed |
0x08 | ? operation allowed |
0x10 | ? |
0x20 | Master Keyslot can target user keyslot (based on Mask Group below) |
0x40 | Keyslot Pairing Lock Mask Group 0(Master slots 0x204-0x205 and user slots 0-7) |
0x80 | Keyslot Pairing Lock Mask Group 1(Master slots 0x206-0x20D and user slots 8-0xF) |
0x100 | Keyslot Pairing Lock Mask Group 2 (Master slots 0x340-0x343 and user slots 0x10-0x1F) |
0x200 | Keyslot Pairing Lock Mask Group 3 (Master slots 0x344-0x353 and user slots 0x20-0x2F) |
0x400 | Locked Keyslot can target f00d memory |
0x800 | can be written directly by f00d |
0x1000 | can be read directly by f00d |
Key Ring Slots 0xE0058000
Slot | Initial Valid | Initial Protection | Protection (1.69) | Ever Valid (1.69) | Per Console? (1.69) | Set By? | Description |
---|---|---|---|---|---|---|---|
0 | N | 0x0442 | 0x0442 | Y | ? | ? | ? |
1 | N | 0x0442 | 0x0442 | N | ? | ? | ? |
2-7 | N | 0x0442 | 0x0040 | N | ? | ? | ? |
8 | N | 0x049F | 0x0081 | Y | Y | first_loader (0x206/0x207) | SLSK per-console key (encrypt) |
9 | N | 0x049F | 0x0080 | N | ? | first_loader (0x206/0x207) | SLSK per-console key (decrypt) |
0xA | N | 0x049F | 0x0080 | Y | N | first_loader (0x208-0x20D) | SLSK metadata key |
0xB-0xF | N | 0x049F | 0x0080 | Y | N | first_loader (0x208-0x20D) | ? |
0x10 | N | 0x0502 | 0x0502 | N | ? | ? | supports decryption only |
0x11-0x1F | N | 0x0502 | 0x0100 | N | ? | ? | ? |
0x20 | N | 0x061F | 0x0200 | Y | ? | first_loader (0x344) | Derived from 0x344, used for hmac-sha256 over enc files |
0x21-0x24 | N | 0x061F | 0x061F | N | ? | ? | supports encryption and decryption |
0x25-0x2F | N | 0x061F | 0x0200 | N | ? | ? | ? |
0x30-0x34 | N | 0x041F | 0x041F | N | ? | ? | ? |
0x35-0x7F | N | 0x041F | 0x0000 | N | ? | ? | ? |
0x80-0xFF | X | 0x0000 | 0x0000 | X | ? | ? | Not used |
0x100 | N | 0x041F | 0x041F | N | ? | ? | ? |
0x101-0x17F | N | 0x041F | 0x0000 | N | ? | ? | ? |
0x180-0x1FF | X | 0x0000 | 0x0000 | X | ? | ? | Not used |
0x200-0x203 | Y | 0x0002 | 0x0000 | Y | ? | ? | ? |
0x204-0x205 | Y | 0x006F | 0x006F | Y | ? | ? | ? |
0x206 | Y | 0x00AF | 0x00A0 | Y | ? | ? | Used to derive key used to decrypt personalized layer over enc. Should be per-console. |
0x207 | Y | 0x00AF | 0x00A0 | Y | ? | ? | Used instead of the above key when secret debug mode is set. (Possibly non-per-console?) |
0x208-0x20D | Y | 0x00AF | 0x00A0 | Y | ? | ? | 6 keys used to decrypt enc metadata, which one is used depends on key revision in enc header |
0x20E-0x20F | Y | ? | 0x0010 | Y | ? | ? | Maybe per-console emmc crypto keys? Protected by second_loader. |
0x210-0x211 | Y | 0x001F | 0x0000 | Y | ? | ? | ? |
0x212 | Y | 0x001F | 0x001F | Y | ? | ? | ? |
0x213 | Y | 0x001F | 0x001F | Y | ? | ? | Used to derive SMI keys, which are used for factory fw decryption. Per-console. |
0x214 | Y | 0x001F | 0x0000 | Y | ? | ? | Used to derive keyslots 0x514, 0x515 in second_loader |
0x215 | Y | 0x001F | 0x0000 | Y | ? | ? | ? |
0x216 | Y | 0x001F | 0x001F | Y | ? | ? | Derive 0x502-0x504 by encrypting data in second_loader. |
0x217 | Y | 0x001F | 0x0000 | Y | ? | ? | ? |
0x218-0x2FF | X | 0x0000 | 0x0000 | X | ? | ? | Not used |
0x300-0x33F | Y | 0x0002 | 0x0000 | Y | ? | ? | ? |
0x340 | Y | 0x012F | 0x012F | Y | ? | ? | Used to decrypt keys into the 0x10 key slot |
0x341-0x343 | Y | 0x012F | 0x0120 | Y | ? | ? | ? |
0x344 | Y | 0x022F | 0x0220 | Y | ? | ? | Used to derive key 0x20 in brom. |
0x345-0x348 | Y | 0x022F | 0x022F | Y | ? | ? | Used to decrypt keys into one of the 0x21-0x24 key slot |
0x349-0x353 | Y | 0x022F | 0x0220 | Y | ? | ? | ? |
0x354-0x3FF | Y | 0x001F | 0x0000 | Y | ? | ? | ? |
0x400-0x47F | N | 0x1800 | 0x0000 | N | ? | ? | ? |
0x480-0x4FF | X | 0x0000 | 0x0000 | X | ? | ? | Not used |
0x500 | N | 0x1800 | 0x1800 | N | ? | ? | ? |
0x501 | N | 0x1800 | 0x1000 | Y | N | first_loader | Used by bootrom first_loader to figure out whether to load from eMMC or ARM comms after reset |
0x502-0x504 | N | 0x1800 | 0x1800 | Y | Y | ? | Related to Ernie SNVS |
0x505 | N | 0x1800 | 0x0000 | N | ? | ? | ? |
0x506 | N | 0x1800 | 0x1800 | Y | ? | ? | ? |
0x507 | N | 0x1800 | 0x1800 | Y | N | ? | ? |
0x508 | N | 0x1800 | 0x1800 | Y | N | ? | Ernie HW version (from syscon cmd 0x1). Set to 0x100060D on 1.692, 0x100010A on 1.05, 0x0100010B on 1.50 |
0x509 | N | 0x1800 | 0x1800 | Y | Y | ? | IDPS of unit (console id) |
0x50A | N | 0x1800 | 0x1800 | Y | ? | ? | Byte15bit0,byte14bit0,byte14bit1,byte11bit4: Revocation related. Byte13bit0: Enable F00D debug prints. |
0x50B | N | 0x1800 | 0x1800 | Y | ? | ? | From 0xD2 SNVS block 0, 8 bytes |
0x50C | N | 0x1800 | 0x1800 | Y | N | ? | Flags. Set to 1 on 1.692 and newer, 0 on older |
0x50D | N | 0x1800 | 0x1800 | Y | Y | ? | OpenPSID |
0x50E | N | 0x1800 | 0x1800 | Y | Y | ? | Current firmware version. Comes from SNVS. |
0x50F | N | 0x1800 | 0x1800 | Y | Y | ? | Factory firmware version. Comes from idstorage. |
0x510 | N | 0x1800 | 0x1800 | Y | Y | ? | Some bit flags, comes from syscon cmd 0x90 offset 0xE0 |
0x511 | N | 0x1800 | 0x1800 | Y | Y | ? | Unique per boot session id, Syscon shared 0xD0 session key |
0x512 | N | 0x1800 | 0x1800 | Y | Y | ? | Tick count? Used in Syscon encrypted communication. Set to a random value when session key is set. |
0x513 | N | 0x1800 | 0x1800 | Y | N | ? | DRAM size. Set to 0x20000000 on retail, 0x40000000 on devkit. |
0x514 | N | 0x1800 | 0x1800 | Y | N? | ? | F00d-cmd F01 AES-256-CMAC key. Protected on 1.05. |
0x515 | N | 0x1800 | 0x1800 | Y | N? | ? | F00d-cmd F01 AES-256-CBC key. Protected on 1.05. |
0x516 | N | 0x1800 | 0x1800 | Y | ? | ? | F00d-cmd F01 writes (u32)1 here when exporting the infoblk. Next time main() executes this flag is cleared. |
0x517 | N | 0x1800 | 0x1800 | Y | ? | ? | When initializing the EEPROM, this is zeroed if 0x50D has bit8 clear (on 1.692). |
0x518 | N | 0x1800 | 0x1800 | Y | N | ? | Another current FW version (3.60+?) Comes from SNVS. |
0x519 | N | 0x1800 | 0x1800 | Y | N | ? | 00s |
0x51A | N | 0x1800 | 0x1800 | Y | Y | ? | Randomized 0x20 byte key unique every boot/reboot/resume used for kernel coredump encryption |
0x51B | N | 0x1800 | 0x1800 | Y | N | ? | Some kind of model info 0x406000 on retail and 0x416000 on devkit, obtained from syscon command 5 |
0x51C-0x57F | N | 0x1800 | 0x0000 | N | ? | ? | ? |
0x580-0x5FF | X | 0x0000 | 0x0000 | X | ? | ? | Not used |
0x600 | Y | 0x1000 | 0x1000 | Y | Y | ? | aimgr_sm.self cmd 0x3 return, VisibleId/FuseId
|
0x601 | Y | 0x1000 | 0x1000 | Y | Y | ? | ? |
0x602 | Y | 0x1000 | 0x1000 | Y | Y | ? | ? |
0x603 | Y | 0x1000 | 0x1000 | Y | N | ? | ? |
0x604 | Y | 0x1000 | 0x1000 | Y | N | ? | ? |
0x605-0x607 | Y | 0x1000 | 0x0000 | Y | ? | ? | ? |
0x608-0x6FF | X | 0x0000 | 0x0000 | X | ? | ? | Not used |
0x700-0x7FF | Y | 0x1000 | 0x0000 | Y | N | ? | 16 public RSA keys for enc, which one is used depends on public key revision from enc header. |