This directory is used as FTP site for GNU crypto software and related stuff. . US laws place restrictions on the export of defense articles, which includes some types of cryptographic software; this is the reason that such software is not available from ftp.gnu.org. It is however legal, to export such software into the US. . The programs GnuPG and Libgcrypt hosted here are Free Software packages of the GNU Project. We call them Free Software because you are free to copy and redistribute them, following the rules stated in the license of each package. For more information, see https://www.gnu.org/philosophy/free-sw.html . . If you would like to contribute to the development of one of these packages, please subscribe to the gnupg-devel mailing list and ask for advice. . Please contact ftpmaster@gnupg.org it you have any problems with this site. If you are looking for service or support for this software, see https://www.gnupg.org/service.html . .