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arb_inspector

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A lightweight tool to extract Anti-Rollback (ARB) version from Qualcomm ELF firmware images (e.g., xbl_config.img). Also supports basic MBN inspection.

File Explorer

ZIP Download

- - test.yml
- - aes_gcm.rs
  - aes_xts.rs
  - ecdh.rs
  - ecdsa.rs
  - mod.rs
  - rsa.rs
- - args.rs
  - mod.rs
- - mod.rs
- - device_restrictions.rs
  - mod.rs
  - profile.rs
  - xbl_config.rs
- - encryption_order.rs
  - mod.rs
  - pipeline.rs
  - transform.rs
- - header.rs
  - mod.rs
  - parser.rs
  - program_header.rs
- - mod.rs
  - qbec.rs
  - uie.rs
- - header.rs
  - metadata.rs
  - mod.rs
  - parser.rs
- - header.rs
  - mod.rs
  - parser.rs
- - base_signer.rs
  - local.rs
  - mod.rs
  - plugin.rs
  - test.rs
- - fuse_check.rs
  - mod.rs
- data.rs
- error.rs
- lib.rs
- main.rs
- verifier.rs
- integration.rs
.gitignore
Cargo.lock
Cargo.toml
LICENSE
README.md
README_zh.md

# Use via CDN

jsDelivr

jsDelivr serves any public GitHub repository as a CDN with zero setup. Pick a version and a file to get a ready-to-paste link and snippet.

Version

File

Link

Example

Command Glossary

Commands referenced in this DOCs, explained below.

🔍

`cargo build`

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Compile a local package and all of its dependencies.

cargo {{[b|build]}}

Build the package or packages defined by the `Cargo.toml` manifest file in the local path:

cargo {{[b|build]}} {{[-r|--release]}}

Build artifacts in release mode, with optimizations:

cargo {{[b|build]}} --locked

Require that `Cargo.lock` is up to date:

// repository documentation

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[中文版](README_zh.md)

Inspect and generate Qualcomm secure ELF/MBN images.

## Features

- Parse 32/64-bit ELF with Qualcomm HASH segment
- Parse MBN v3/v5/v6/v7/v8
- Extract Anti-Rollback version from OEM metadata
- Detect QTI/OEM signatures and encryption params
- Generate hash segments, sign (ECDSA/RSA), encrypt params
- LZMA/XZ compression and PIL split
- All features are compile-time gated for minimal builds

## Usage

```
arb_inspector [--fast] [--debug] [--verify] <image>
arb_inspector secure-image [options]
```

No flags = full display (default).
`--fast` = only ARB value.
`--debug` = step by step trace.

### secure-image

```
--infile <path>  --outfile <path>
--hash           generate hash table segment
--sign           sign image (local|test|plugin)
--encrypt        add encryption params (qbec|uie)
--inspect        print image details
--validate       validate against profile
--compress       LZMA compress output
--pil-split      split into .mdt + .bXX
```

### Build notes

```
cargo build --release                          # full
cargo build --no-default-features              # inspect only
cargo build --features sign                    # +signing
cargo build --features "sign encrypt"          # +encryption
```

## Example

```bash
# Quick ARB
arb_inspector --fast xbl_a

# Full inspect
arb_inspector abl_a

# Generate hash segment with updated ARB
arb_inspector secure-image --infile abl_a --outfile abl_new.elf --hash --anti-rollback-version 5

# Hash + sign with built-in ECDSA test certs
arb_inspector secure-image --infile abl_a --outfile abl_signed.elf --hash --sign --signing-mode test
```

### Output

```
File: xbl_a
Format: ELF (64-bit)
Machine: 0xb7
Program headers: 9

Hash Table Segment Header:
  Version: 7
  Common Metadata Size: 24 (bytes)
  OEM Metadata Size: 224 (bytes)
  Hash Table Size: 432 (bytes)
  QTI Signature Size: 104 (bytes)
  OEM Signature Size: 104 (bytes)

Signed: Yes (QTI + OEM)

Common Metadata:
  Version: 0.0
  Software ID: 0x36
  Hash Table Algorithm: SHA384 (3)

OEM Metadata:
  Version: 3.0
  Anti-Rollback Version: 0
  OEM ID: 0x51

Anti-Rollback Version: 0
```

## Metadata formats

Common metadata V0.0: 24B
  major, minor, software_id, secondary_sw_id, hash_table_algo, mrc_target

OEM metadata V2.0/V3.0: 224B
  12 soc_hw_vers, product_segment_id, jtag_id, 8 serial u64,
  oem_id, oem_product_id, lifecycle states, oem_rch_hash, flags

OEM metadata V0.0/V1.0: 120B (legacy v6 format)

## License

MIT