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 legal however, to export such software into the US. Please contact it you have any problems with this site. Note that ftp.gnupg.org is actually a set of 3 machines. Software available here: gnupg/ The GNU Privacy Guard libgpg-error/ Common error codes for GnuPG, Libgcrypt etc. gpgme/ GnuPG Made Easy library pinentry/ Tool to enter a passphrase securely libgcrypt/ General purpose low-level crypto library libassuan/ The IPC library used by GnuPG dirmngr/ A daemon to manage CRLs and LDAP queries for GnuPG. gnu-crypt/ GNU Crypto for the classpathx Java libraries egd/ Entropy Gathering Daemon lsh/ A Secure Shell v2 implementation (work in progress) alpha/ Current development versions binary/ Compiled versions for MS Windows. contrib/ Other software and more translation files. historic/ Historic versions. Also includes the content of the old devel/ and pgpgpg/ directories. See http://www.gnupg.org for further information. The programs GnuPG and Libgcrypt hosted here are Free Software packages of the GNU Project, not products of GUUG e.V. . 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 http://www.gnu.org/philosophy/free-sw.html. If you are looking for service or support for GNU software, see http://www.gnu.org/help/gethelp.html for suggestions of where to ask. If you would like to contribute to the development of one of these packages, contact the package maintainer or the bug-reporting address of the package (which should be listed in the package itself), or look on www.gnu.org for more information on how to contribute.