@item Домашняя страница @url{https://www.openpgp.org/, OpenPGP альянса}
@item @url{https://www.eff.org/, Electronic Frontier Foundation} (EFF)
@item @url{https://gnupg.org/faq/gnupg-faq.html, GnuPG FAQ}
-@item @url{http://www.dewinter.com/gnupg_howto/english/GPGMiniHowto.html, GnuPG Mini Howto}
+@item @url{https://www.gnupg.org/howtos/en/GPGMiniHowto.html, GnuPG Mini Howto}
@end itemize
@strong{Сопутствующие программы}
@strong{RFC, имеющие отношение к теме}
@itemize
-@item @url{http://tools.ietf.org/html/rfc4880, RFC4880: OpenPGP Message Format}
-@item @url{http://tools.ietf.org/html/rfc3156, RFC3156: MIME Security with OpenPGP}
+@item @url{https://datatracker.ietf.org/doc/html/rfc4880, RFC4880: OpenPGP Message Format}
+@item @url{https://datatracker.ietf.org/doc/html/rfc3156, RFC3156: MIME Security with OpenPGP}
@end itemize