To cite package ‘openssl’ in publications use:

Ooms J (2026). openssl: Toolkit for Encryption, Signatures and Certificates Based on OpenSSL. R package version 2.4.2, https://github.com/jeroen/openssl.

Corresponding BibTeX entry:

  @Manual{,
    title = {openssl: Toolkit for Encryption, Signatures and
      Certificates Based on OpenSSL},
    author = {Jeroen Ooms},
    year = {2026},
    note = {R package version 2.4.2},
    url = {https://github.com/jeroen/openssl},
  }