Difference between revisions of "Cmep Key Ring Base"

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(→‎0x600~0x6FF: OTP keyrings: Add usage of 0x601 in 0.931 SBL)
(14 intermediate revisions by one other user not shown)
Line 1: Line 1:
−
Keyring physical address = 0xE0058000 + 0x20 * keyring_id.
 
  
−
Keyring flags: [https://wiki.henkaku.xyz/vita/F00D_Keyring_Regs#0xE003002C:_KeyQueryFlagsResult See upper value (16~31-bit)]
+
Physical address: <code>0xE0058000 + 0x20 * keyring_number</code>.
  
−
=== Key Rings ===
+
Flags: See [[F00D_Keyring_Regs#0xE003002C:_KeyringQueryFlagsResponse|here]]
 +
 
 +
= Keyring information =
 +
 
 +
== 0x0~0xFF: Slave keyrings ==
 +
 
 +
  Initial state: Empty keyrings.
 +
    0x000-0x007: Empty group0 slave keyrings, for AES decryption only.
 +
    0x008-0x00F: Empty group1 slave keyrings, any algo.
 +
    0x010-0x01F: Empty group2 slave keyrings, for AES decryption only.
 +
    0x020-0x02F: Empty group3 slave keyrings, any algo.
 +
    0x030-0x07F: Empty normal keyrings, any algo.
  
 
{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
−
! Slot !! Initial flags !! Flags first !! Per Console (1.69) !! Set By !! Description
+
! Keyring
 +
! Initial flags
 +
! Flags after kernel boot
 +
! Per Console
 +
! Set By
 +
! Description
 +
|-
 +
| 0
 +
| rowspan="3" | 0x04420001
 +
| 0x04420003
 +
| Y/N
 +
| Secure Modules
 +
| General common keyring for crypto operation.
 +
|-
 +
| 1
 +
<!-- | 0x04420001 -->
 +
| 0x04420001
 +
| rowspan="2" | ?
 +
| rowspan="2" | ?
 +
| rowspan="2" | ?
 +
|-
 +
| 2-7
 +
<!-- | 0x04420001 -->
 +
| 0x00400001
 +
<!-- | ?
 +
| ?
 +
| ? -->
 +
|-
 +
| 8
 +
| rowspan="3" | 0x049F0001
 +
| 0x00810003
 +
| rowspan="2" | Y
 +
| rowspan="3" | first_loader
 +
| [[SLSK]] personalization key (encrypt). Derived from keyrings 0x206 or 0x207.
 
|-
 
|-
−
| 0 || 0x04420001 || 0x04420003 || N || Many Secure Modules. || General common keyring for crypto operation.
+
| 9
 +
<!-- | 0x049F0001 -->
 +
| 0x00800001
 +
<!-- | ? -->
 +
<!-- | ? -->
 +
| [[SLSK]] personalization key (decrypt). Derived from keyrings 0x206 or 0x207.
 
|-
 
|-
−
| 1 || 0x04420001 || 0x04420001 || ? || ? || ?
+
| 0xA-0xF
 +
<!-- | 0x049F0001 -->
 +
| 0x00800003
 +
| N
 +
<!-- | first_loader -->
 +
| 6 [[SLSK]] metadata decryption keys. Derived from keyrings 0x208-0x20D.
 
|-
 
|-
−
| 2-7 || 0x04420001 || 0x00400001 || ? || ? || ?
+
| 0x10
 +
| rowspan="2" | 0x05020001
 +
| 0x05020001
 +
| rowspan="2" | ?
 +
| rowspan="2" | ?
 +
| Supports decryption only.
 
|-
 
|-
−
| 8 || 0x049F0001 || 0x00810003 || Y || first_loader || [[SLSK]] personalization key (encrypt). Derived from keyrings 0x206 or 0x207.
+
| 0x11-0x1F
 +
<!-- | 0x05020001 -->
 +
| 0x01000001
 +
<!-- | ? -->
 +
<!-- | ? -->
 +
| ?
 
|-
 
|-
−
| 9 || 0x049F0001 || 0x00800001 || ? || first_loader || [[SLSK]] personalization key (decrypt). Derived from keyrings 0x206 or 0x207.
+
| 0x20
 +
| rowspan="3" | 0x061F0001
 +
| 0x02000003
 +
| N
 +
| first_loader
 +
| [[SLSK]] HMAC-SHA256 Key. Derived from keyring 0x344.
 
|-
 
|-
−
| 0xA-0xF || 0x049F0001 || 0x00800003 || N || first_loader || 6 [[SLSK]] metadata decryption keys. Derived from keyrings 0x208-0x20D.
+
| 0x21-0x24
 +
<!-- | 0x061F0001 -->
 +
| 0x061F0001
 +
| rowspan="5" | ?
 +
| rowspan="5" | N/A
 +
| Supports encryption and decryption.
 
|-
 
|-
−
| 0x10 || 0x05020001 || 0x05020001 || ? || ? || Supports decryption only.
+
| 0x25-0x2F
 +
<!-- | 0x061F0001 -->
 +
| 0x02000001
 +
<!-- | ? -->
 +
<!-- | ? -->
 +
| rowspan="3" | ?
 
|-
 
|-
−
| 0x11-0x1F || 0x05020001 || 0x01000001 || ? || ? || ?
+
| 0x30-0x34
 +
| rowspan="2" | 0x041F0001
 +
| 0x041F0001
 +
<!-- | ? -->
 +
<!-- | ? -->
 +
<!-- | ? -->
 
|-
 
|-
−
| 0x20 || 0x061F0001 || 0x02000003 || ? || first_loader || [[SLSK]] HMAC-SHA256 Key. Derived from keyring 0x344.
+
| 0x35-0x7F
 +
<!-- | 0x041F0001 -->
 +
| 0x00000001
 +
<!-- | ? -->
 +
<!-- | ? -->
 +
<!-- | ? -->
 
|-
 
|-
−
| 0x21-0x24 || 0x061F0001 || 0x061F0001 || ? || ? || Supports encryption and decryption.
+
| 0x80-0xFF
 +
| 0x00000000
 +
| 0x00000000
 +
<!-- | ?
 +
| N/A -->
 +
| Not exist.
 +
|}
 +
 
 +
== 0x100~0x1FF: Slave keyrings (Reserved) ==
 +
 
 +
  Initial state: Empty keyrings.
 +
    0x100-0x17F: Empty normal keyrings, any algo.
 +
 
 +
{| class="wikitable"
 
|-
 
|-
−
| 0x25-0x2F || 0x061F0001 || 0x02000001 || ? || ? || ?
+
! Keyring
 +
! Initial flags
 +
! Flags after kernel boot
 +
! Per Console
 +
! Set By
 +
! Description
 
|-
 
|-
−
| 0x30-0x34 || 0x041F0001 || 0x041F0001 || ? || ? || ?
+
| 0x100
 +
| rowspan="2" | 0x041F0001
 +
| 0x041F0001
 +
| rowspan="3" | ?
 +
| rowspan="2" | ?
 +
| rowspan="2" | ?
 
|-
 
|-
−
| 0x35-0x7F || 0x041F0001 || 0x00000001 || ? || ? || ?
+
| 0x101-0x17F
 +
<!-- | 0x041F0001 -->
 +
| 0x00000001
 +
<!-- | ?
 +
| ?
 +
| ? -->
 
|-
 
|-
−
| 0x80-0xFF || 0x00000000 || 0x00000000 || ? || N/A || Not used.
+
| 0x180-0x1FF
 +
| 0x00000000
 +
| 0x00000000
 +
<!-- | ? -->
 +
| N/A
 +
| Not exist.
 +
|}
 +
 
 +
== 0x200~0x2FF: Master keyrings ==
 +
 
 +
  Initial state: Filled in, key material.
 +
    0x200-0x203: AES decryption-only keys (for memory buffers).
 +
    0x204-0x205: Master keys (for group0), any algo.
 +
    0x206-0x20D: Master keys (for group1), any algo.
 +
    0x20E-0x20F: Emmc keys, fully protected.
 +
    0x210-0x217: General purpose keys (for memory buffers).
 +
 
 +
{| class="wikitable"
 
|-
 
|-
−
| 0x100 || 0x041F0001 || 0x041F0001 || ? || ? || ?
+
! Keyring
 +
! Initial flags
 +
! Flags after kernel boot
 +
! Per Console
 +
! Set By
 +
! Description
 
|-
 
|-
−
| 0x101-0x17F || 0x041F0001 || 0x00000001 || ? || ? || ?
+
| 0x200-0x203
 +
| 0x00020003
 +
| 0x00000003
 +
| ?
 +
| ?
 +
| ?
 
|-
 
|-
−
| 0x180-0x1FF || 0x00000000 || 0x00000000 || ? || N/A || Not used.
+
| 0x204
 +
| rowspan="2" | 0x006F0003
 +
| rowspan="2" | 0x006F0003
 +
| rowspan="2" | Y
 +
| rowspan="7" | Bigmac
 +
| AES-256 master key for IdStorage Certificates AES-128-ECB keys derivation. Used by KIRK commands 0x10, 0x12, 0x17 and 0x19.
 
|-
 
|-
−
| 0x200-0x203 || 0x00020003 || 0x00000003 || ? || ? || ?
+
| 0x205
 +
<!-- | 0x006F0003
 +
| 0x006F0003
 +
| Y
 +
| Bigmac -->
 +
| ?
 
|-
 
|-
−
| 0x204 || 0x006F0003 || 0x006F0003 || Y || Bigmac || AES-256 master key for IdStorage Certificates AES-128-ECB keys derivation. Used by KIRK commands 0x10, 0x12, 0x17 and 0x19.
+
| 0x206
 +
| rowspan="3" | 0x00AF0003
 +
| rowspan="3" | 0x00A00003
 +
| rowspan="2" | ?
 +
<!-- | Bigmac -->
 +
| Master key used to derive key used to decrypt personalized layer over [[SLSK]]. Should be per-console.
 
|-
 
|-
−
| 0x205 || 0x006F0003 || 0x006F0003 || Y || Bigmac || ?
+
| 0x207
 +
<!-- | 0x00AF0003
 +
| 0x00A00003
 +
| ?
 +
| Bigmac -->
 +
| Master key used instead of keyring 0x206 when first_loader secret debug mode is set. (Possibly non-per-console?)
 
|-
 
|-
−
| 0x206 || 0x00AF0003 || 0x00A00003 || ? || Bigmac || Master key used to derive key used to decrypt personalized layer over [[SLSK]]. Should be per-console.
+
| 0x208-0x20D
 +
<!-- | 0x00AF0003
 +
| 0x00A00003 -->
 +
| N
 +
<!-- | Bigmac -->
 +
| 6 master keys used to derive AES-128-CBC Key to decrypt [[SLSK]] metadata. Which one is used depends on encryption key revision in [[SLSK]] header.
 
|-
 
|-
−
| 0x207 || 0x00AF0003 || 0x00A00003 || ? || Bigmac || Master key used instead of keyring 0x206 when first_loader secret debug mode is set. (Possibly non-per-console?)
+
| 0x20E
 +
| rowspan="2" | 0xXXXX0003
 +
| rowspan="2" | 0x00100003
 +
| rowspan="2" | ?
 +
<!-- | Bigmac -->
 +
| Maybe per-console eMMC crypto keys. Protected by second_loader.
 
|-
 
|-
−
| 0x208-0x20D || 0x00AF0003 || 0x00A00003 || N || Bigmac || 6 master keys used to derive AES-128-CBC Key to decrypt [[SLSK]] metadata. Which one is used depends on encryption key revision in [[SLSK]] header.
+
| 0x20F
 +
<!-- | 0xXXXX0003
 +
| 0x00100003
 +
| ?
 +
| Bigmac -->
 +
| Maybe per-console eMMC crypto keys. Protected by first_loader.
 
|-
 
|-
−
| 0x20E-0x20F || 0xXXXX0003 || 0x00100003 || ? || Bigmac || Maybe per-console eMMC crypto keys. Protected by second_loader.
+
| 0x210-0x211
 +
| rowspan="7" | 0x001F0003
 +
| 0x00000003
 +
| ?
 +
| ?
 +
| ?
 
|-
 
|-
−
| 0x210-0x211 || 0x001F0003 || 0x00000003 || ? || ? || ?
+
| 0x212
 +
<!-- | 0x001F0003 -->
 +
| rowspan="2" | 0x001F0003
 +
| rowspan="2" | Y
 +
| rowspan="2" | Bigmac
 +
| AES-256-CMAC key used by KIRK commands 0x12 and 0x19.
 
|-
 
|-
−
| 0x212 || 0x001F0003 || 0x001F0003 || Y || Bigmac || AES-256-CMAC key used by KIRK commands 0x12 and 0x19.
+
| 0x213
 +
<!-- | 0x001F0003
 +
| 0x001F0003
 +
| Y
 +
| Bigmac -->
 +
| AES-256-CBC key used to derive (by seed encryption) SMI keys in second_loader, which are used for minimum firmware version decryption.
 
|-
 
|-
−
| 0x213 || 0x001F0003 || 0x001F0003 || Y || Bigmac || AES-256-CBC key used to derive (by seed encryption) SMI keys in second_loader, which are used for minimum firmware version decryption.
+
| 0x214
 +
<!-- | 0x001F0003 -->
 +
| rowspan="2" | 0x00000003
 +
| rowspan="2" | ?
 +
| rowspan="2" | ?
 +
| AES-256-CBC key used to derive (by seed encryption) keyrings 0x514 and 0x515 in second_loader. IVs and seeds hardcoded in second_loader.
 
|-
 
|-
−
| 0x214 || 0x001F0003 || 0x00000003 || ? || ? || AES-256-CBC key used to derive (by seed encryption) keyrings 0x514 and 0x515 in second_loader. IVs and seeds hardcoded in second_loader.
+
| 0x215
 +
<!-- | 0x001F0003
 +
| 0x00000003
 +
| ?
 +
| ? -->
 +
| ?
 
|-
 
|-
−
| 0x215 || 0x001F0003 || 0x00000003 || ? || ? || ?
+
| 0x216
 +
<!-- | 0x001F0003 -->
 +
| 0x001F0003
 +
| Y
 +
| Bigmac
 +
| AES-256-CBC key used to derive (by seed encryption) keyrings 0x502-0x504 in second_loader. IV hardcoded in second_loader. If SMI minimum FW < 0.996, this key is not used and keyrings 0x502-0x504 are set with hardcoded values from second_loader.
 
|-
 
|-
−
| 0x216 || 0x001F0003 || 0x001F0003 || Y || Bigmac || AES-256-CBC key used to derive (by seed encryption) keyrings 0x502-0x504 in second_loader. IV hardcoded in second_loader. If SMI minimum FW < 0.996, this key is not used and keyrings 0x502-0x504 are set with hardcoded values from second_loader.
+
| 0x217
 +
<!-- | 0x001F0003 -->
 +
| 0x00000003
 +
| ?
 +
| ?
 +
| ?
 
|-
 
|-
−
| 0x217 || 0x001F0003 || 0x00000003 || ? || ? || ?
+
| 0x218-0x2FF
 +
| 0x00000000
 +
| 0x00000000
 +
| X
 +
| N/A
 +
| Not exist.
 +
|}
 +
 
 +
== 0x300~0x3FF: Master keyrings 2 ==
 +
 
 +
  Initial state: Filled in, key material.
 +
    0x300-0x33F: AES decryption-only keys (for memory buffers).
 +
    0x340-0x343: Master keys (for group2), any algo.
 +
    0x344-0x353: Master keys (for group3), any algo.
 +
    0x354-0x3FF: General purpose keys (for memory buffers).
 +
 
 +
{| class="wikitable"
 
|-
 
|-
−
| 0x218-0x2FF || 0x00000000 || 0x00000000 || X || N/A || Not used.
+
! Keyring !! Initial flags !! Flags after kernel boot !! Per Console !! Set By !! Description
 
|-
 
|-
 
| 0x300-0x33F || 0x00020003 || 0x00000003 || ? || ? || ?
 
| 0x300-0x33F || 0x00020003 || 0x00000003 || ? || ? || ?
Line 86: Line 315:
 
|-
 
|-
 
| 0x354-0x3FF || 0x001F0003 || 0x00000003 || ? || ? || ?
 
| 0x354-0x3FF || 0x001F0003 || 0x00000003 || ? || ? || ?
 +
|}
 +
 +
== 0x400~0x4FF: RW storage keyrings (Reserved) ==
 +
 +
  Initial state: Empty data storage, read-write from keyring.
 +
 +
{| class="wikitable"
 +
|-
 +
! Keyring
 +
! Initial flags
 +
! Flags after kernel boot
 +
! Per Console
 +
! Set By
 +
! Description
 
|-
 
|-
−
| 0x400-0x47F || 0x18000001 || 0x00000001 || ? || ? || ?
+
| 0x400-0x47F
 +
| 0x18000001
 +
| 0x00000001
 +
| ?
 +
| ?
 +
| ?
 +
|-
 +
| 0x480-0x4FF
 +
| 0x00000000
 +
| 0x00000000
 +
| X
 +
| N/A
 +
| Not exist.
 +
|}
 +
 
 +
== 0x500~0x5FF: RW storage keyrings ==
 +
 
 +
  Initial state: Empty data storage, read-write from keyring.
 +
 
 +
{| class="wikitable"
 
|-
 
|-
−
| 0x480-0x4FF || 0x00000000 || 0x00000000 || X || N/A || Not used.
+
! Keyring !! Initial flags !! Flags after kernel boot !! Per Console !! Set By !! Description
 
|-
 
|-
 
| 0x500 || 0x18000001 || 0x18000001 || ? || ? || ?
 
| 0x500 || 0x18000001 || 0x18000001 || ? || ? || ?
Line 156: Line 418:
 
| 0x522-0x57F || 0x18000001 || 0x00000001 || ? || ? || ?
 
| 0x522-0x57F || 0x18000001 || 0x00000001 || ? || ? || ?
 
|-
 
|-
−
| 0x580-0x5FF || 0x00000000 || 0x00000000 || X || N/A || Not used.
+
| 0x580-0x5FF
 +
| 0x00000000
 +
| 0x00000000
 +
| X
 +
| N/A
 +
| Not exist.
 +
|}
 +
 
 +
== 0x600~0x6FF: OTP keyrings ==
 +
 
 +
  Initial state: Filled in data, read-only. Keyring only.
 +
    0x603: DWORD BootromFlags.
 +
      Bit 0~15: HasRsaRevocationKey. This is set to 0xFFFF.
 +
      Bit  16: UseAlternativeEmmcClock
 +
 
 +
{| class="wikitable"
 +
|-
 +
! Keyring !! Initial flags !! Flags after kernel boot !! Per Console !! Set By !! Description
 
|-
 
|-
 
| 0x600 || 0x10000003 || 0x10000003 || Y || Bigmac || VisibleId of unit.
 
| 0x600 || 0x10000003 || 0x10000003 || Y || Bigmac || VisibleId of unit.
 
|-
 
|-
−
| 0x601 || 0x10000003 || 0x10000003 || Y || ? || ?
+
| 0x601 || 0x10000003 || 0x10000003 || Y || ? || Copied to 0xE0020200 by second_loader in 0.931
 
|-
 
|-
 
| 0x602 || 0x10000003 || 0x10000003 || Y || Bigmac || 256 bits copied to 0xE0020100 by second_loader.
 
| 0x602 || 0x10000003 || 0x10000003 || Y || Bigmac || 256 bits copied to 0xE0020100 by second_loader.
 
|-
 
|-
−
| 0x603 || 0x10000003 || 0x10000003 || N || Bigmac || SLSK RSA public key has flags
+
| 0x603 || 0x10000003 || 0x10000003 || Y || Bigmac || SLSK RSA public key has flags
 
|-
 
|-
−
| 0x604 || 0x10000003 || 0x10000003 || N || ? || ?
+
| 0x604 || 0x10000003 || 0x10000003 || ? || ? || ?
 
|-
 
|-
 
| 0x605-0x607 || 0x10000003 || 0x00000003 || ? || ? || ?
 
| 0x605-0x607 || 0x10000003 || 0x00000003 || ? || ? || ?
 
|-
 
|-
−
| 0x608-0x6FF || 0x00000000 || 0x00000000 || X || N/A || Not used.
+
| 0x608-0x6FF
 +
| 0x00000000
 +
| 0x00000000
 +
| X
 +
| N/A
 +
| Not exist.
 +
|}
 +
 
 +
== 0x700~0x7FF: SLSK RSA Public keyrings ==
 +
 
 +
  Initial state: Filled in data, read-only. Keyring only.
 +
 
 +
{| class="wikitable"
 +
|-
 +
! Keyring !! Initial flags !! Flags after kernel boot !! Per Console !! Set By !! Description
 
|-
 
|-
 
| 0x700-0x7FF || 0x10000003 || 0x00000003 || N || Bigmac || 16 RSA public keys for [[SLSK]] files. Which key is used depends on public key revision specified in [[SLSK]] header.
 
| 0x700-0x7FF || 0x10000003 || 0x00000003 || N || Bigmac || 16 RSA public keys for [[SLSK]] files. Which key is used depends on public key revision specified in [[SLSK]] header.
 
|}
 
|}
−
 
−
=== Key rings flags on FW 3.60 after kernel boot time ===
 
−
 
−
  KeyringId=0x000 Range=0x001 Flags=0x04420003
 
−
  KeyringId=0x001 Range=0x001 Flags=0x04420001
 
−
  KeyringId=0x002 Range=0x006 Flags=0x00400001
 
−
  KeyringId=0x008 Range=0x001 Flags=0x00810003
 
−
  KeyringId=0x009 Range=0x001 Flags=0x00800001
 
−
  KeyringId=0x00A Range=0x006 Flags=0x00800003
 
−
  KeyringId=0x010 Range=0x001 Flags=0x05020001
 
−
  KeyringId=0x011 Range=0x00F Flags=0x01000001
 
−
  KeyringId=0x020 Range=0x001 Flags=0x02000003
 
−
  KeyringId=0x021 Range=0x004 Flags=0x061F0001
 
−
  KeyringId=0x025 Range=0x00B Flags=0x02000001
 
−
  KeyringId=0x030 Range=0x005 Flags=0x041F0001
 
−
  KeyringId=0x035 Range=0x04B Flags=0x00000001
 
−
  KeyringId=0x080 Range=0x080 Flags=0x00000000
 
−
  KeyringId=0x100 Range=0x001 Flags=0x041F0001
 
−
  KeyringId=0x101 Range=0x07F Flags=0x00000001
 
−
  KeyringId=0x180 Range=0x080 Flags=0x00000000
 
−
  KeyringId=0x200 Range=0x004 Flags=0x00000003
 
−
  KeyringId=0x204 Range=0x002 Flags=0x006F0003
 
−
  KeyringId=0x206 Range=0x008 Flags=0x00A00003
 
−
  KeyringId=0x20E Range=0x002 Flags=0x00100003
 
−
  KeyringId=0x210 Range=0x002 Flags=0x00000003
 
−
  KeyringId=0x212 Range=0x002 Flags=0x001F0003
 
−
  KeyringId=0x214 Range=0x002 Flags=0x00000003
 
−
  KeyringId=0x216 Range=0x001 Flags=0x001F0003
 
−
  KeyringId=0x217 Range=0x001 Flags=0x00000003
 
−
  KeyringId=0x218 Range=0x0E8 Flags=0x00000000
 
−
  KeyringId=0x300 Range=0x040 Flags=0x00000003
 
−
  KeyringId=0x340 Range=0x001 Flags=0x012F0003
 
−
  KeyringId=0x341 Range=0x003 Flags=0x01200003
 
−
  KeyringId=0x344 Range=0x001 Flags=0x02200003
 
−
  KeyringId=0x345 Range=0x004 Flags=0x022F0003
 
−
  KeyringId=0x349 Range=0x00B Flags=0x02200003
 
−
  KeyringId=0x354 Range=0x0AC Flags=0x00000003
 
−
  KeyringId=0x400 Range=0x080 Flags=0x00000001
 
−
  KeyringId=0x480 Range=0x080 Flags=0x00000000
 
−
  KeyringId=0x500 Range=0x001 Flags=0x18000001
 
−
  KeyringId=0x501 Range=0x001 Flags=0x10000007
 
−
  KeyringId=0x502 Range=0x003 Flags=0x18000003
 
−
  KeyringId=0x505 Range=0x001 Flags=0x00000001
 
−
  KeyringId=0x506 Range=0x004 Flags=0x18000003
 
−
  KeyringId=0x50A Range=0x001 Flags=0x18000007
 
−
  KeyringId=0x50B Range=0x003 Flags=0x18000003
 
−
  KeyringId=0x50E Range=0x001 Flags=0x10000003
 
−
  KeyringId=0x50F Range=0x003 Flags=0x18000003
 
−
  KeyringId=0x512 Range=0x001 Flags=0x18000007
 
−
  KeyringId=0x513 Range=0x003 Flags=0x18000003
 
−
  KeyringId=0x516 Range=0x001 Flags=0x18000007
 
−
  KeyringId=0x517 Range=0x005 Flags=0x18000003
 
−
  KeyringId=0x51C Range=0x064 Flags=0x00000001
 
−
  KeyringId=0x580 Range=0x080 Flags=0x00000000
 
−
  KeyringId=0x600 Range=0x005 Flags=0x10000003
 
−
  KeyringId=0x605 Range=0x003 Flags=0x00000003
 
−
  KeyringId=0x608 Range=0x0F8 Flags=0x00000000
 
−
  KeyringId=0x700 Range=0x100 Flags=0x00000003
 

Revision as of 10:13, 21 June 2022

Physical address: 0xE0058000 + 0x20 * keyring_number.

Flags: See here

Keyring information

0x0~0xFF: Slave keyrings

 Initial state: Empty keyrings.
   0x000-0x007: Empty group0 slave keyrings, for AES decryption only.
   0x008-0x00F: Empty group1 slave keyrings, any algo.
   0x010-0x01F: Empty group2 slave keyrings, for AES decryption only.
   0x020-0x02F: Empty group3 slave keyrings, any algo.
   0x030-0x07F: Empty normal keyrings, any algo.
Keyring Initial flags Flags after kernel boot Per Console Set By Description
0 0x04420001 0x04420003 Y/N Secure Modules General common keyring for crypto operation.
1 0x04420001 ? ? ?
2-7 0x00400001
8 0x049F0001 0x00810003 Y first_loader SLSK personalization key (encrypt). Derived from keyrings 0x206 or 0x207.
9 0x00800001 SLSK personalization key (decrypt). Derived from keyrings 0x206 or 0x207.
0xA-0xF 0x00800003 N 6 SLSK metadata decryption keys. Derived from keyrings 0x208-0x20D.
0x10 0x05020001 0x05020001 ? ? Supports decryption only.
0x11-0x1F 0x01000001 ?
0x20 0x061F0001 0x02000003 N first_loader SLSK HMAC-SHA256 Key. Derived from keyring 0x344.
0x21-0x24 0x061F0001 ? N/A Supports encryption and decryption.
0x25-0x2F 0x02000001 ?
0x30-0x34 0x041F0001 0x041F0001
0x35-0x7F 0x00000001
0x80-0xFF 0x00000000 0x00000000 Not exist.

0x100~0x1FF: Slave keyrings (Reserved)

 Initial state: Empty keyrings.
   0x100-0x17F: Empty normal keyrings, any algo.
Keyring Initial flags Flags after kernel boot Per Console Set By Description
0x100 0x041F0001 0x041F0001 ? ? ?
0x101-0x17F 0x00000001
0x180-0x1FF 0x00000000 0x00000000 N/A Not exist.

0x200~0x2FF: Master keyrings

 Initial state: Filled in, key material.
   0x200-0x203: AES decryption-only keys (for memory buffers).
   0x204-0x205: Master keys (for group0), any algo.
   0x206-0x20D: Master keys (for group1), any algo.
   0x20E-0x20F: Emmc keys, fully protected.
   0x210-0x217: General purpose keys (for memory buffers).
Keyring Initial flags Flags after kernel boot Per Console Set By Description
0x200-0x203 0x00020003 0x00000003 ? ? ?
0x204 0x006F0003 0x006F0003 Y Bigmac AES-256 master key for IdStorage Certificates AES-128-ECB keys derivation. Used by KIRK commands 0x10, 0x12, 0x17 and 0x19.
0x205 ?
0x206 0x00AF0003 0x00A00003 ? Master key used to derive key used to decrypt personalized layer over SLSK. Should be per-console.
0x207 Master key used instead of keyring 0x206 when first_loader secret debug mode is set. (Possibly non-per-console?)
0x208-0x20D N 6 master keys used to derive AES-128-CBC Key to decrypt SLSK metadata. Which one is used depends on encryption key revision in SLSK header.
0x20E 0xXXXX0003 0x00100003 ? Maybe per-console eMMC crypto keys. Protected by second_loader.
0x20F Maybe per-console eMMC crypto keys. Protected by first_loader.
0x210-0x211 0x001F0003 0x00000003 ? ? ?
0x212 0x001F0003 Y Bigmac AES-256-CMAC key used by KIRK commands 0x12 and 0x19.
0x213 AES-256-CBC key used to derive (by seed encryption) SMI keys in second_loader, which are used for minimum firmware version decryption.
0x214 0x00000003 ? ? AES-256-CBC key used to derive (by seed encryption) keyrings 0x514 and 0x515 in second_loader. IVs and seeds hardcoded in second_loader.
0x215 ?
0x216 0x001F0003 Y Bigmac AES-256-CBC key used to derive (by seed encryption) keyrings 0x502-0x504 in second_loader. IV hardcoded in second_loader. If SMI minimum FW < 0.996, this key is not used and keyrings 0x502-0x504 are set with hardcoded values from second_loader.
0x217 0x00000003 ? ? ?
0x218-0x2FF 0x00000000 0x00000000 X N/A Not exist.

0x300~0x3FF: Master keyrings 2

 Initial state: Filled in, key material.
   0x300-0x33F: AES decryption-only keys (for memory buffers).
   0x340-0x343: Master keys (for group2), any algo.
   0x344-0x353: Master keys (for group3), any algo.
   0x354-0x3FF: General purpose keys (for memory buffers).
Keyring Initial flags Flags after kernel boot Per Console Set By Description
0x300-0x33F 0x00020003 0x00000003 ? ? ?
0x340 0x012F0003 0x012F0003 ? ? Used to decrypt keys into the 0x10 keyring.
0x341-0x343 0x012F0003 0x01200003 ? ? ?
0x344 0x022F0003 0x02200003 ? ? Master key used to derive the 0x20 keyring in first_loader.
0x345-0x348 0x022F0003 0x022F0003 ? ? Used to decrypt keys into one of the 0x21-0x24 keyrings.
0x349-0x353 0x022F0003 0x02200003 ? ? ?
0x354-0x3FF 0x001F0003 0x00000003 ? ? ?

0x400~0x4FF: RW storage keyrings (Reserved)

 Initial state: Empty data storage, read-write from keyring.
Keyring Initial flags Flags after kernel boot Per Console Set By Description
0x400-0x47F 0x18000001 0x00000001 ? ? ?
0x480-0x4FF 0x00000000 0x00000000 X N/A Not exist.

0x500~0x5FF: RW storage keyrings

 Initial state: Empty data storage, read-write from keyring.
Keyring Initial flags Flags after kernel boot Per Console Set By Description
0x500 0x18000001 0x18000001 ? ? ?
0x501 0x18000001? 0x10000007 N first_loader Used by first_loader to figure out whether to load from eMMC or ARM comms after reset. Also SLSK AES Key revision on offset>0x1C-byte>bit:0xF0000000
0x502 0x18000001 0x18000003 Y second_loader AES XTS Tweak for Ernie SNVS sectors.
0x503 0x18000001 0x18000003 Y second_loader AES XTS Decryption Key for Ernie SNVS sectors.
0x504 0x18000001 0x18000003 Y second_loader AES-128-CMAC Key for Ernie SNVS sectors.
0x505 0x18000001 0x00000001 ? ? ?
0x506 0x18000001 0x18000003 N second_loader QAF Token AES-256-CBC and AES-256-CMAC key. Hardcoded in second_loader. Used with IV = keyring 0x507.
0x507 0x18000001 0x18000003 N second_loader QAF Token AES-256-CBC IV. Hardcoded in second_loader.
0x508 0x18000001 0x18000003 Y second_loader Ernie version. Comes from Ernie Code Flash memory (Ernie command 1). 4 bytes. If lower (older) than 0x00090903, old Ernie protocols (unencrypted SNVS packets and maybe different SNVS keys) are used.
0x509 0x18000001 0x18000003 Y second_loader ConsoleId of unit. Comes from IdStorage (eMMC).
0x50A 0x18000001? 0x18000007 Y second_loader QA flags. 0x10 bytes. Comes from Ernie NVS (Ernie command 0x1082).
0x50B 0x18000001 0x18000003 Y second_loader Mgmt Data. 8 bytes. Comes from Ernie SNVS block 0 (Ernie command 0xD2).
0x50C 0x18000001 0x18000003 N second_loader Second_Loader#Boot_type_indicator_for_slsk
0x50D 0x18000001 0x18000003 Y second_loader OpenPSID of unit. Comes from IdStorage (eMMC).
0x50E 0x18000001 1.69: 0x18000003

3.60: 0x10000003

Y second_loader Current firmware version. Comes from Ernie SNVS (Ernie command 0xD0).
0x50F 0x18000001 0x18000003 Y second_loader Minimum firmware version. Comes from IdStorage SMI leaf (eMMC). 4 bytes.
0x510 0x18000001 0x18000003 Y second_loader DIP Switches. 0x20 bytes. Comes from CP and Ernie VS (Ernie command 0x90 offset 0xE0).
0x511 0x18000001 0x18000003 N (random) second_loader Ernie communication session key. Unique per boot. It is generated by a handshake with Ernie through Ernie command 0xD0. AES-128-ECB key used to enc/dec the content of Ernie secure packets. If (baryonVersion < 0x90903 && (ernieDLVersion & 0xffffff) < 0x3600) it is zeroed by second_loader. Part of SKSO data. Used by SK command 0xF01.
0x512 0x18000001? 0x18000007 N (counter) second_loader Ernie communication ticket count. Used as a challenge at the start of each secure Ernie encrypted communication, for example for SNVS read/write. On each boot it is set to a random value by second_loader. Incremented by 1 after each Ernie secure commmand usage. Part of SKSO data. Used by SK command 0xF01.
0x513 0x18000001 0x18000003 Y second_loader DRAM size. Set to 0x20000000 by default, 0x40000000 on DevKit in DevKit Memory Size mode. Determined by DIP Switches (CP).
0x514 0x18000001 0x18000003 see keyring 0x214 second_loader SKSO AES-256-CMAC key. Protected on FW 1.05. Data size 0x90 bytes. Used to verify SKSO. Used by SK command 0xF01.
0x515 0x18000001 0x18000003 see keyring 0x214 second_loader SKSO AES-128-CBC key. Protected on FW 1.05. Data size 0xA0 bytes. Hardcoded IV in second_loader and second_kernel. Used to encrypt/decrypt SKSO (the content written into keyrings 0x511, 0x512, 0x517 and 0x519). Used by SK command 0xF01.
0x516 0x18000001? 0x18000007 N second_loader Some status. Set to 0 at the start of second_loader main(). Checked for 0 before initiating communication with Ernie. 4 bytes. Used by SK command 0xF01: writes (u32)1 here after having exported the SKSO to paddr 0x4001FF00.
0x517 0x18000001 0x18000003 Y second_loader, act_sm Kit Activation status. 4 bytes. Part of SKSO data. When initializing the keyrings, this is zeroed if keyring ?0x50D? has bit8 clear (on FW 1.692). Used by SK command 0xF01.
0x518 0x18000001 0x18000003 Y second_loader Another current FW version (3.60+?). Comes from SNVS (Ernie command 0xD0).
0x519 0x18000001 0x18000003 Y? second_loader Part of SKSO data. Used by SK command 0xF01. Not used (maybe zeroed) on old FWs. Used on FW 3.60.
0x51A 0x18000001 0x18000003 N (random) second_loader Coredump Encrypted Session Key (FW 2.12+). Randomized 0x20 byte key. Unique for every boot/reboot/resume. Used for Kernel coredump encryption. See KBL Param and SCECAF#Kernel_Coredump_Encrypted_ELF. Used by SK command 0x1001.
0x51B 0x18000001 0x18000003 Y second_loader Hardware Info. 4 bytes. Comes from Ernie Code Flash memory (Ernie command 5).
0x51C-0x51D 0x18000001 0x00000001 ? ? Used in update_service_sm for NVS. 4 bytes for each keyring.
0x51E-0x521 0x18000001 0x00000001 ? ? Used in update_service_sm for NVS. 4 bytes for each keyring.
0x522-0x57F 0x18000001 0x00000001 ? ? ?
0x580-0x5FF 0x00000000 0x00000000 X N/A Not exist.

0x600~0x6FF: OTP keyrings

 Initial state: Filled in data, read-only. Keyring only.
   0x603: DWORD BootromFlags.
     Bit 0~15: HasRsaRevocationKey. This is set to 0xFFFF.
     Bit   16: UseAlternativeEmmcClock
Keyring Initial flags Flags after kernel boot Per Console Set By Description
0x600 0x10000003 0x10000003 Y Bigmac VisibleId of unit.
0x601 0x10000003 0x10000003 Y ? Copied to 0xE0020200 by second_loader in 0.931
0x602 0x10000003 0x10000003 Y Bigmac 256 bits copied to 0xE0020100 by second_loader.
0x603 0x10000003 0x10000003 Y Bigmac SLSK RSA public key has flags
0x604 0x10000003 0x10000003 ? ? ?
0x605-0x607 0x10000003 0x00000003 ? ? ?
0x608-0x6FF 0x00000000 0x00000000 X N/A Not exist.

0x700~0x7FF: SLSK RSA Public keyrings

 Initial state: Filled in data, read-only. Keyring only.
Keyring Initial flags Flags after kernel boot Per Console Set By Description
0x700-0x7FF 0x10000003 0x00000003 N Bigmac 16 RSA public keys for SLSK files. Which key is used depends on public key revision specified in SLSK header.
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