Switch 2: BCH - Revision history

Hexkyz: /* Flags0 */

2025-10-02T21:46:28Z

Flags0

← Older revision		Revision as of 01:46, 3 October 2025
Line 224:		Line 224:
	\|-		\|-
	\| 26		\| 26
	\| ~~IsPartitionEncrypted~~		\| IsEncrypted
	\|-		\|-
	\| 27		\| 27

Hexkyz: /* Flags1 */

2025-10-02T21:46:18Z

Flags1

← Older revision		Revision as of 01:46, 3 October 2025
Line 241:		Line 241:
	\|		\|
	\|-		\|-
	\| 24		\| 16-23
	\|		\| BootImgType
	\|-		\|-
	\| 25-31		\| 24-31
	\|		\|
	\|}		\|}

Hexkyz at 22:51, 2 October 2025

2025-10-02T20:51:32Z

← Older revision		Revision as of 00:51, 3 October 2025
Line 57:		Line 57:
	\|-		\|-
	\| 0x1AA4 \|\| 0x8 \|\| Key7KdfLabel		\| 0x1AA4 \|\| 0x8 \|\| Key7KdfLabel
			\|-
			\| 0x1AAC \|\| 0x430 \|\|
	\|-		\|-
	\| 0x1EE0 \|\| 0x120 (0x90 * 2) \|\| [[#NvStage1Component\|Stage1Components]][2]		\| 0x1EE0 \|\| 0x120 (0x90 * 2) \|\| [[#NvStage1Component\|Stage1Components]][2]
Line 222:		Line 224:
	\|-		\|-
	\| 26		\| 26
	\| ~~HasMetaBlob~~		\| IsPartitionEncrypted
	\|-		\|-
	\| 27		\| 27

Hexkyz at 01:33, 1 October 2025

2025-09-30T23:33:15Z

@@ Line 34: / Line 34: @@
 | 0xFE0 || 0x4 || Stage2NumBinaries
 |-
-| 0xFE4 || 0x10 || Stage2EcidHash
+| 0xFE4 || 0x100 || Duk
 |-
 | 0x10E4 || 0x30C ||
@@ Line 102: / Line 100: @@
 | 0x20 || 0x10 || DerStr
 |-
-| 0x30 || 0x4 ||
+| 0x30 || 0x4 || Reserved
 |-
 | 0x34 || 0xC || Iv
@@ Line 140: / Line 138: @@
 | 0x18 || 0x4 ||
 |-
-| 0x1C || 0x4 ||
+| 0x1C || 0x4 || [[#Flags0|Flags0]]
 |-
-| 0x20 || 0x4 ||
+| 0x20 || 0x4 || UncompressedBinaryLen
 |-
-| 0x24 || 0x4 ||
+| 0x24 || 0x4 || [[#Flags1|Flags1]]
 |-
-| 0x28 || 0x4 ||
+| 0x28 || 0x4 || CompressedBinaryLen
 |-
-| 0x2C || 0x4 || Flags
+| 0x2C || 0x4 || [[#Flags2|Flags2]]
 |-
 | 0x30 || 0x10 || DerStr
 |-
-| 0x40 || 0x4 ||
+| 0x40 || 0x4 || Reserved
 |-
 | 0x44 || 0xC || Iv
@@ Line 182: / Line 180: @@
 == NvBootCryptoSignatures ==
-This is a union.
+This is an union.
 {| class="wikitable" border="1"
@@ Line 197: / Line 195: @@
 |-
 | 0x0 || 0xB10 || XmssSignature
 |}

Hexkyz at 04:09, 30 September 2025

2025-09-30T02:09:58Z

Show changes

Ootulp: Created page with "= NvBootComponentHeader = {| class="wikitable" border="1" |- ! Offset ! Size ! Name ! Description |- | 0x0000 || 4 || HeaderMagic || |- | 0x0004 || 0x40 || OuterDigest || |- | style="background: orange" | Outer Section Begin | style="background: orange" | | style="background: orange" | | style="background: orange" | |- | 0x0044 || 0xC || Reserved || |- | 0x0050 || 0x40 || InnerDigest || |- | 0x0090 || 0x40 || Stage2Signature || |- | 0x0BA0..."

2025-08-07T01:02:40Z

Created page with "= NvBootComponentHeader = {| class="wikitable" border="1" |- ! Offset ! Size ! Name ! Description |- | 0x0000 || 4 || HeaderMagic || |- | 0x0004 || 0x40 || OuterDigest || |- | style="background: orange" | Outer Section Begin | style="background: orange" | | style="background: orange" | | style="background: orange" | |- | 0x0044 || 0xC || Reserved || |- | 0x0050 || 0x40 || InnerDigest || |- | 0x0090 || 0x40 || Stage2Signature || |- | 0x0BA0..."

New page

= NvBootComponentHeader =
{| class="wikitable" border="1"
|-
! Offset
! Size
! Name
! Description
|-
| 0x0000 || 4 || HeaderMagic ||
|-
| 0x0004 || 0x40 || OuterDigest ||
|-
| style="background: orange" | Outer Section Begin
| style="background: orange" |
| style="background: orange" |
| style="background: orange" |
|-
| 0x0044 || 0xC || Reserved ||
|-
| 0x0050 || 0x40 || InnerDigest ||
|-
| 0x0090 || 0x40 || [[#NvBootCryptoSignatures|Stage2Signature]] ||
|-
| 0x0BA0 || 0x180 || [[#NvPublicKeyParameters|Stage2Pcp]] || Pinned by fuses.
|-
| style="background: orange" | Stage 2 Signed Section Begin
| style="background: orange" |
| style="background: orange" |
| style="background: orange" |
|-
| 0x0FC0 || 16 || Salt2 || Random 16 bytes.
|-
| 0x0FD0 || 16 || Stage2Ecid ||
|-
| 0x0FE0 || 4 || Stage2NumBinaries ||
|-
| 0x0FE4 || 0x100 || ? ||
|-
| 0x13F0 || 8 || BrbctBinding || Must match BR-BCT+0x19B0.
|-
| 0x1400 || 8 * 0xA0 || [[#NvStage2Component|Stage2Components]][8] ||
|-
| 0x1900 || 0x180 || Stage1Signature || Always RSA-3072.
|-
| style="background: orange" | Stage 1 Signed Section Begin
| style="background: orange" |
| style="background: orange" |
| style="background: orange" |
|-
| 0x1A80 || 16 || Salt3 ||
|-
| 0x1A90 || 16 || Stage1Ecid ||
|-
| 0x1AA0 || 4 || Stage1NumBinaries ||
|-
| 0x1AA4 || 8 || Key7KdfLabel ||
|-
| 0x1EE0 || 1 * 0x90 || [[#NvStage1Component|Stage1Components]][1] ||
|-
| style="background: orange" | Outer Section End / Stage 2 Signed Section End / Stage 1 Signed Section End
| style="background: orange" |
| style="background: orange" |
| style="background: orange" |
|}

== NvStage1Component ==
{| class="wikitable" border="1"
|-
! Offset
! Size
! Name
|-
| style="background: orange" | AAD Section Start
| style="background: orange" |
| style="background: orange" |
|-
| 0x0 || 4 || BinaryMagic
|-
| 0x4 || 4 || BinaryLen
|-
| 0x8 || 4 || LoadDestination
|-
| 0xC || 4 || EntryPoint
|-
| 0x10 || 4 || [[#NvBootComponentVersion|Version]]
|-
| 0x14 || 4 || Reserved
|-
| 0x18 || 8 || PartitionOffset (Only used for MEM-BCT)
|-
| 0x20 || 16 || KdfLabel
|-
| 0x30 || 4 || Zeroes
|-
| 0x34 || 12 || GcmIv
|-
| style="background: orange" | AAD Section End
| style="background: orange" |
| style="background: orange" |
|-
| 0x40 || 16 || GcmAuthTag
|-
| 0x50 || 64 || PayloadDigest (SHA512 of 0x2000..)
|}

== NvStage2Component ==
{| class="wikitable" border="1"
|-
! Offset
! Size
! Name
|-
| style="background: orange" | AAD Section Start
| style="background: orange" |
| style="background: orange" |
|-
| 0x0 || 4 || BinaryMagic
|-
| 0x4 || 4 || BinaryLen
|-
| 0x8 || 4 || LoadDestination
|-
| 0xC || 4 || EntryPoint
|-
| 0x10 || 4 || [[#NvBootComponentVersion|Version]]
|-
| 0x24 || 0x1C || ?
|-
| 0x30 || 16 || KdfLabel
|-
| 0x40 || 4 || Zeroes
|-
| 0x44 || 12 || GcmIv
|-
| style="background: orange" | AAD Section End
| style="background: orange" |
| style="background: orange" |
|-
| 0x50 || 16 || GcmAuthTag
|-
| 0x60 || 64 || PayloadDigest (SHA512 of 0x2000..)
|}

== NvBootComponentVersion ==
{| class="wikitable" border="1"
|-
! Offset
! Size
! Name
|-
| 0x0 || 1 || Major
|-
| 0x1 || 1 || Minor
|-
| 0x2 || 1 || Ratchet (others)
|-
| 0x2 || 2 || BigRatchet (NVDEC only)
|}

== NvBootCryptoSignatures ==
This is a union.

{| class="wikitable" border="1"
|-
! Offset
! Size
! Name
|-
| 0x0 || 0x20 || Sha256Signature
|-
| 0x0 || 0x40 || Sha512Signature
|-
| 0x0 || 0x40 || Rsa3072Signature
|-
| 0x0 || 0xB10 || XmssSignature
|}