Clone/download the repo, enter its folder and run:
npm install
node main.js encrypt 'MODE=UL&TYPE=V&LID=abcdef&LPW=password&AN=20022002' 'my secretkey 123'
node main.js decrypt 'HcMV322sPPrFonlvXZ5pvFpXABVrxYVAXrEr9vcu7TIFOPNQVGq5svEv3959sRDxkDHB/nav80iGMPBiz8bDeA==' 'my secretkey 123'