https://github.com/menci/stego

数据隐写：将数据嵌入到到 BMP 数据中
https://github.com/menci/stego

Last synced: about 1 year ago
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数据隐写：将数据嵌入到到 BMP 数据中

• Host: GitHub
• URL: https://github.com/menci/stego
• Owner: Menci
• License: unlicense
• Created: 2020-10-28T11:21:59.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2020-10-28T13:15:40.000Z (over 5 years ago)
• Last Synced: 2025-04-18T15:17:33.239Z (over 1 year ago)
• Language: C
• Size: 622 KB
• Stars: 10
• Watchers: 2
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# 数据隐写

将任意数据嵌入到 BMP 文件中，使得肉眼无法观察出与原图的区别。生成的 BMP 文件可以被转码（不可有损压缩）。

```bash

# 编译

gcc stego.c -o stego

# 写入

./stego -w input.bmp hello.7z output.bmp

# 读取

./stego -r output.bmp hello.7z

```

**原理**：利用 BMP 中每个像素点 RGB 颜色值的最低位（LSB）来存放数据。