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# PSPNG

Sample program to embed messages into PNG images

## Install

Requires zlib, pthread, and sodium header files to compile (These will be distro specific packages)

Build:

```bash
make
```

System Wide:

```bash
make
make install
```

## Usage

Embed Message:

pspng --compress -f {input file name} -o {output file name} -m "{input message}"

Extract Message:

pspng --uncompress -f {input file name}

Help Message:

pspng --help