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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 |
0x10 |
Stage2EcidHash
|
0xFF4 |
0xF0 |
|
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
|
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 |
|
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 |
|
0x20 |
0x4 |
|
0x24 |
0x4 |
|
0x28 |
0x4 |
|
0x2C |
0x4 |
Flags
|
0x30 |
0x10 |
DerStr
|
0x40 |
0x4 |
|
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 a union.
Offset
|
Size
|
Description
|
0x0 |
0x20 |
Sha256Signature
|
0x0 |
0x40 |
Sha512Signature
|
0x0 |
0x40 |
Rsa3072Signature
|
0x0 |
0xB10 |
XmssSignature
|