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| author = Nikos Mavrogiannopoulos
| author = Nikos Mavrogiannopoulos
| accessdate = 2012-12-11
| accessdate = 2012-12-11
}}</ref> [[Richard Stallman]] objected this move and suggested [[Fork (software)|forking]] of the project, which was ignored.<ref>[https://lists.gnu.org/archive/html/gnutls-devel/2012-12/msg00003.html GNUTLS is not going anywhere] on lists.gnu.org ''"you cannot take GNUTLS out of the GNU Project."'' (11 Dec 2012)</ref> This step was followed by the GNU [[Sed]] maintainer Paolo Bonzini on end of December 2012 who put down his maintainership.<ref>[http://article.gmane.org/gmane.comp.lang.smalltalk.gnu.general/7873 Subject: GNU sed 4.2.2 released, and a rant from the maintainer] on gmane.comp.lang.smalltalk.gnu.general by Paolo Bonzini (on 2012-12-22)</ref>
}}</ref> [[Richard Stallman]] objected this move and suggested [[Fork (software)|forking]] of the project, which was ignored.<ref>[https://lists.gnu.org/archive/html/gnutls-devel/2012-12/msg00003.html GNUTLS is not going anywhere] on lists.gnu.org ''"you cannot take GNUTLS out of the GNU Project."'' (11 Dec 2012)</ref> This step was followed by the GNU [[Sed]] maintainer Paolo Bonzini on end of December 2012 who put down his maintainership.<ref>[http://article.gmane.org/gmane.comp.lang.smalltalk.gnu.general/7873 Subject: GNU sed 4.2.2 released, and a rant from the maintainer] {{wayback|url=http://article.gmane.org/gmane.comp.lang.smalltalk.gnu.general/7873 |date=20160107175153 }} on gmane.comp.lang.smalltalk.gnu.general by Paolo Bonzini (on 2012-12-22)</ref>


== Deployment ==
== Deployment ==

Revision as of 12:41, 13 January 2017

GnuTLS
Developer(s)Nikos Mavrogiannopoulos
Simon Josefsson
Stable release3.8.2 (November 15, 2023; 12 months ago (2023-11-15)[1]) [±]
Repository
Written inC
Operating systemMulti-platform
TypeSecurity library
LicenseLGPLv2.1+
Websitegnutls.org

GnuTLS (/ˈɡnuː ˌtiː ˌɛl ˈɛs/, the GNU Transport Layer Security Library) is a free software implementation of the TLS, SSL and DTLS protocols. It offers an application programming interface (API) for applications to enable secure communication over the network transport layer, as well as interfaces to access X.509, PKCS #12, OpenPGP and other structures.

Features

GnuTLS consists of a library that allows client applications to start secure sessions using the available protocols. It also provides command-line tools, including an X.509 certificate manager, a test client and server, and random key and password generators. As of 2011 administrators can configure Apache web server to use GnuTLS so as to support TLS 1.2.[2]

GnuTLS has the following features:

History

Origin

GnuTLS was initially created around March 2003[5] by Nikos Mavrogiannopoulos to allow applications of the GNU Project to use secure protocols such as TLS. Although OpenSSL already existed, OpenSSL's license is not compatible with the GPL;[6] thus software under the GPL, such as GNU software, could not use OpenSSL without making a GPL linking exception.

License

The GnuTLS library was licensed originally under the GNU Lesser General Public License v2, while included applications use the GNU General Public License.

In August 2011 the library was updated to the LGPLv3.[7] After it was noticed[8] that there were new license compatibility problems introduced, especially with other free software with the license change, after discussions the license was downgraded again to LGPLv2.1 in March 2013.[9]

Split from the GNU/FSF

Originally created for the GNU Project, its maintainer disassociated it from GNU in December 2012 after disputes with the Free Software Foundation over certain policies.[10][11] Richard Stallman objected this move and suggested forking of the project, which was ignored.[12] This step was followed by the GNU Sed maintainer Paolo Bonzini on end of December 2012 who put down his maintainership.[13]

Deployment

Software packages using GnuTLS include(d):

See also

References

  1. ^ "The GnuTLS Transport Layer Security Library". Retrieved 4 December 2023.
  2. ^ The GNU Transport Layer Security Library
  3. ^ RFC 6091
  4. ^ The GnuTLS Transport Layer Security Library
  5. ^ Changelog 0.0.5
  6. ^ Mark McLoughlin (2004-06-22). "The OpenSSL License and The GPL". Retrieved 2011-04-06.
  7. ^ Version 2.99.4 (released 2011-07-23)[...] ** libgnutls: license upgraded to LGPLv3
  8. ^ Mavrogiannopoulos, Nikos (2013-03-26). "The perils of LGPLv3". gnutls.org. Retrieved 2015-11-18. LGPLv3 is the latest version of the GNU Lesser General Public License. It follows the successful LGPLv2.1 license, and was released by Free Software Foundation as a counterpart to its GNU General Public License version 3. The goal of the GNU Lesser General Public Licenses is to provide software that can be used by both proprietary and free software. This goal has been successfully handled so far by LGPLv2.1, and there is a multitude of libraries using that license. Now we have LGPLv3 as the latest, and the question is how successful is LGPLv3 on this goal? In my opinion, very little. If we assume that its primary goal is to be used by free software, then it blatantly fails that.
  9. ^ 2013-03-14 Nikos Mavrogiannopoulos (nmav@gnutls.org) * COPYING.LESSER, README: gnutls 3.1.10 is LGPLv2.1
  10. ^ GnuTLS, copyright assignment, and GNU project governance on lwn.net by Michael Kerrisk (December 20, 2012)
  11. ^ Nikos Mavrogiannopoulos (2012-12-18). "gnutls is moving". Retrieved 2012-12-11.
  12. ^ GNUTLS is not going anywhere on lists.gnu.org "you cannot take GNUTLS out of the GNU Project." (11 Dec 2012)
  13. ^ Subject: GNU sed 4.2.2 released, and a rant from the maintainer Archived 2016-01-07 at the Wayback Machine on gmane.comp.lang.smalltalk.gnu.general by Paolo Bonzini (on 2012-12-22)
  14. ^ a b c "GnuTLS - GNU Project - Free Software Foundation (FSF)". Free Software Foundation. 22 May 2010. Archived from the original on 31 May 2010. Retrieved 25 January 2015.
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