# startup_hvb

**Repository Path**: wanxinhuawei/startup_hvb_1

## Basic Information

- **Project Name**: startup_hvb
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Apache-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 33
- **Created**: 2023-03-08
- **Last Updated**: 2023-03-13

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# OpenHarmony Verified Boot<a name="ZH-CN_TOPIC_0000001129033057"></a>

## Introduction<a name="section469617221261"></a>

Open**H**armony **V**erified **B**oot (HVB) component is used to verify and authenticate system images to make sure OpenHarmony is running system images:

- from authenticated sources
- without tampering
- can not roll back to old versions with vulnerabilities

![image-20230223211124779](.\figures\usage-en.png)



HVB is composed of three modules as shown below：

![image-20230223212705771](.\figures\hvb-arch.png)

- libhvb is the verifying utility library. It will be integrated by Bootloader to verify initial images, and integrated by init to verify system images.
- hvbtool is used to sign system images, it will be integrated by Building system.



## Directory Structure<a name="section15884114210197"></a>

The structure of the repository directory is as follows:

```
base/startup/hvb/
├── libhvb         # source code for libhvb module
└── tools          # source code for hvbtool module
```



##  Repositories Involved<a name="section641143415335"></a>

**[startup\_init\_lite](https://gitee.com/openharmony/startup_init_lite)**