Switch 2: BCH: Difference between revisions
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| (3 intermediate revisions by the same user not shown) | |||
| Line 34: | Line 34: | ||
| 0xFE0 || 0x4 || Stage2NumBinaries | | 0xFE0 || 0x4 || Stage2NumBinaries | ||
|- | |- | ||
| 0xFE4 || | | 0xFE4 || 0x100 || Duk | ||
|- | |- | ||
| 0x10E4 || 0x30C || | | 0x10E4 || 0x30C || | ||
| Line 59: | 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 102: | Line 102: | ||
| 0x20 || 0x10 || DerStr | | 0x20 || 0x10 || DerStr | ||
|- | |- | ||
| 0x30 || 0x4 || | | 0x30 || 0x4 || Reserved | ||
|- | |- | ||
| 0x34 || 0xC || Iv | | 0x34 || 0xC || Iv | ||
| Line 140: | Line 140: | ||
| 0x18 || 0x4 || | | 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 || | | 0x2C || 0x4 || [[#Flags2|Flags2]] | ||
|- | |- | ||
| 0x30 || 0x10 || DerStr | | 0x30 || 0x10 || DerStr | ||
|- | |- | ||
| 0x40 || 0x4 || | | 0x40 || 0x4 || Reserved | ||
|- | |- | ||
| 0x44 || 0xC || Iv | | 0x44 || 0xC || Iv | ||
| Line 182: | Line 182: | ||
== NvBootCryptoSignatures == | == NvBootCryptoSignatures == | ||
This is | This is an union. | ||
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
| Line 197: | Line 197: | ||
|- | |- | ||
| 0x0 || 0xB10 || XmssSignature | | 0x0 || 0xB10 || XmssSignature | ||
|} | |||
== NvPublicKeyParameters == | |||
This is an union. | |||
{| class="wikitable" border="1" | |||
|- | |||
! Offset | |||
! Size | |||
! Description | |||
|- | |||
| 0x0 || 0x20 || Eddsa | |||
|- | |||
| 0x0 || 0x40 || Ecdsa | |||
|- | |||
| 0x0 || 0x180 || Rsa | |||
|} | |||
== Flags0 == | |||
{| class="wikitable" border="1" | |||
! Bits | |||
! Description | |||
|- | |||
| 0-25 | |||
| | |||
|- | |||
| 26 | |||
| IsEncrypted | |||
|- | |||
| 27 | |||
| IsCompressed | |||
|- | |||
| 28-31 | |||
| | |||
|} | |||
== Flags1 == | |||
{| class="wikitable" border="1" | |||
! Bits | |||
! Description | |||
|- | |||
| 0-23 | |||
| | |||
|- | |||
| 16-23 | |||
| BootImgType | |||
|- | |||
| 24-31 | |||
| | |||
|} | |||
== Flags2 == | |||
{| class="wikitable" border="1" | |||
! Bits | |||
! Description | |||
|- | |||
| 0-7 | |||
| | |||
|- | |||
| 8 | |||
| IsClassKeysSigned | |||
|- | |||
| 9-31 | |||
| | |||
|} | |} | ||
Latest revision as of 01:46, 3 October 2025
NvBootComponentHeader
| Offset | Size | Description |
|---|---|---|
| 0x0 | 0x4 | HeaderMagic |
| 0x4 | 0x40 | OuterDigest |
| Outer Section Begin | ||
| 0x44 | 0xC | Reserved |
| 0x50 | 0x40 | InnerDigest |
| 0x90 | 0xB10 | Stage2Signature |
| 0xBA0 | 0x180 | Stage2Pcp |
| 0xD20 | 0x2A0 | |
| Stage 2 Signed Section Begin | ||
| 0xFC0 | 0x10 | Stage2Iv |
| 0xFD0 | 0x10 | Stage2Ecid |
| 0xFE0 | 0x4 | Stage2NumBinaries |
| 0xFE4 | 0x100 | Duk |
| 0x10E4 | 0x30C | |
| 0x13F0 | 0x8 | BlDerStr (must match BlDerStr from BRBCT) |
| 0x13F8 | 0x8 | FwDerStr |
| 0x1400 | 0x500 (0xA0 *8) | Stage2Components[8] |
| 0x1900 | 0x180 | Stage1Signature (always RSA-3072) |
| Stage 1 Signed Section Begin | ||
| 0x1A80 | 0x10 | Stage1Iv |
| 0x1A90 | 0x10 | Stage1Ecid |
| 0x1AA0 | 0x4 | Stage1NumBinaries |
| 0x1AA4 | 0x8 | Key7KdfLabel |
| 0x1AAC | 0x430 | |
| 0x1EE0 | 0x120 (0x90 * 2) | Stage1Components[2] |
| Stage 1 Signed Section End | ||
| Stage 2 Signed Section End | ||
| Outer Section End |
NvStage1Component
| Offset | Size | Description |
|---|---|---|
| AAD Section Start | ||
| 0x0 | 0x4 | BinaryMagic |
| 0x4 | 0x4 | BinaryLen |
| 0x8 | 0x4 | LoadDestination |
| 0xC | 0x4 | EntryPoint |
| 0x10 | 0x4 | Version |
| 0x14 | 0x4 | Reserved |
| 0x18 | 0x8 | PartitionOffset (only used for MEM-BCT) |
| 0x20 | 0x10 | DerStr |
| 0x30 | 0x4 | Reserved |
| 0x34 | 0xC | Iv |
| AAD Section End | ||
| 0x40 | 0x10 | AuthTag |
| 0x50 | 0x40 | PayloadDigest (SHA512 of 0x2000..) |
NvStage2Component
| Offset | Size | Description |
|---|---|---|
| AAD Section Start | ||
| 0x0 | 0x4 | BinaryMagic |
| 0x4 | 0x4 | BinaryLen |
| 0x8 | 0x4 | LoadDestination |
| 0xC | 0x4 | EntryPoint |
| 0x10 | 0x4 | Version |
| 0x14 | 0x4 | |
| 0x18 | 0x4 | |
| 0x1C | 0x4 | Flags0 |
| 0x20 | 0x4 | UncompressedBinaryLen |
| 0x24 | 0x4 | Flags1 |
| 0x28 | 0x4 | CompressedBinaryLen |
| 0x2C | 0x4 | Flags2 |
| 0x30 | 0x10 | DerStr |
| 0x40 | 0x4 | Reserved |
| 0x44 | 0xC | Iv |
| AAD Section End | ||
| 0x50 | 0x10 | AuthTag |
| 0x60 | 0x40 | PayloadDigest (SHA512 of 0x2000..) |
NvBootComponentVersion
| Offset | Size | Description |
|---|---|---|
| 0x0 | 1 | Major |
| 0x1 | 1 | Minor |
| 0x2 | 1 | Ratchet (others) |
| 0x2 | 2 | BigRatchet (NVDEC only) |
NvBootCryptoSignatures
This is an union.
| Offset | Size | Description |
|---|---|---|
| 0x0 | 0x20 | Sha256Signature |
| 0x0 | 0x40 | Sha512Signature |
| 0x0 | 0x40 | Rsa3072Signature |
| 0x0 | 0xB10 | XmssSignature |
NvPublicKeyParameters
This is an union.
| Offset | Size | Description |
|---|---|---|
| 0x0 | 0x20 | Eddsa |
| 0x0 | 0x40 | Ecdsa |
| 0x0 | 0x180 | Rsa |
Flags0
| Bits | Description |
|---|---|
| 0-25 | |
| 26 | IsEncrypted |
| 27 | IsCompressed |
| 28-31 |
Flags1
| Bits | Description |
|---|---|
| 0-23 | |
| 16-23 | BootImgType |
| 24-31 |
Flags2
| Bits | Description |
|---|---|
| 0-7 | |
| 8 | IsClassKeysSigned |
| 9-31 |