openssl-enc-nvim.lua

vim.api.nvim_create_user_command(
  'Encode',
  function(input)
    vim.api.nvim_command('%!openssl enc -e -aes-256-cbc -a -salt -pbkdf2 -k ' .. input.args)
  end,
  {desc = 'Encode buffer with password', nargs = 1}
)

vim.api.nvim_create_user_command(
  'Decode',
  function(input)
    vim.api.nvim_command('%!openssl enc -d -aes-256-cbc -a -salt -pbkdf2 -k ' .. input.args)
  end,
  {desc = 'Decode buffer with password', nargs = 1}
)