To cite package ‘sodium’ in publications use:

  Ooms J (2024). _sodium: A Modern and Easy-to-Use Crypto Library_. R
  package version 1.3.1, <https://github.com/r-lib/sodium>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sodium: A Modern and Easy-to-Use Crypto Library},
    author = {Jeroen Ooms},
    year = {2024},
    note = {R package version 1.3.1},
    url = {https://github.com/r-lib/sodium},
  }