Steganography tool

Features

Installation

Static build from releases

curl -sL https://github.com/vvh413/s739/releases/latest/download/s739 --output~/.local/bin/s739chmod +x~/.local/bin/s739

Build from source

git clone https://github.com/vvh413/s739cd s739cargo install --path. --features cli

Shell completions

eval"$(s739 generate bash)"

eval"$(s739 generate zsh)"

s739 generate fish|source

Usage

$ s739 -h Steganography toolUsage: s739<COMMAND>Commands:  encode    Encode data to image  decode    Decode data from image  generate  Generate shell completionshelp      Print this message or thehelp of the given subcommand(s)Options:  -h, --help     Printhelp  -V, --version  Print version

Encode

$ s739 encode -h Encode data to imageUsage: s739 encode [OPTIONS] --input<INPUT> --output<OUTPUT><--text<TEXT>|--file<FILE>|--stdin>Options:  -i, --input<INPUT>          Input file  -o, --output<OUTPUT>          Output file      --png-compression<COMPRESSION>          PNG compressiontype [default: fast] [possible values: default, fast, best]      --png-filter<FILTER>          PNG filtertype [default: adaptive] [possible values: no, sub, up, avg, paeth, adaptive]      --jpeg-compress-profile<COMPRESS_PROFILE>          MozJPEG compression profile [default: max] [possible values: max, fastest]  -t, --text<TEXT>          Encode plain text data  -f, --file<FILE>          Encode file  -s, --stdin          Read data from stdin  -k, --key<KEY>          Secret key      --selective          Skip some DCT coefsfor JPEG      --depth<DEPTH>          Depth (least bit to use) [default: 0]      --bits<BITS>          Number of bits per single image unit (pixel/DCT coef) [default: 1]      --jpeg-comp<JPEG_COMP>          JPEG component index      --max-step<MAX_STEP>          Overwrite calculated max step  -h, --help          Printhelp

Decode

$ s739 decode -hDecode data from imageUsage: s739 decode [OPTIONS] --input<INPUT>Options:  -i, --input<INPUT>          Input file  -f, --file<FILE>            Write data to file  -k, --key<KEY>              Secret key      --selective              Skip some DCT coefsfor JPEG      --depth<DEPTH>          Depth (least bit to use) [default: 0]      --bits<BITS>            Number of bits per single image unit (pixel/DCT coef) [default: 1]      --jpeg-comp<JPEG_COMP>  JPEG component index      --max-step<MAX_STEP>    Overwrite calculated max step  -h, --help                   Printhelp