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# PSPNG
Sample program to embed messages into PNG images
## Install
**NOTE:** Set the core_count variable to one value lower than maximum cores on the host in cmd/pspng.c
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
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