We are proud to announce a new stable GnuTLS release: Version 2.6.0. GnuTLS is a modern C library that implement the standard network security protocol Transport Layer Security (TLS), for use by network applications. GnuTLS is developed for GNU/Linux, but works on many Unix-like systems and comes with a binary installer for Windows.
The GnuTLS library is distributed under the terms of the GNU Lesser General Public License version 2.1 (or later). The "extra" GnuTLS library (which contains TLS/IA support, LZO compression and Libgcrypt FIPS-mode handler), the OpenSSL compatibility library, the self tests and the command line tools are all distributed under the GNU General Public License version 3.0 (or later). The manual is distributed under the GNU Free Documentation License version 1.2 (or later). The project page of the library is available at: http://www.gnutls.org/ http://www.gnu.org/software/gnutls/ What's New ========== Major end-user visible changes compared to the v2.4 branch: ** certtool: updated so it can add several subject alternative names using the template file. ** opencdk: Parse (but not decrypt) encrypted secret keys. Contributed by Daniel Kahn Gillmor <[EMAIL PROTECTED]>. ** libgnutls: Remove code to import certificate chains in PKCS#7 format. The code has not worked since v0.9.0 and apparently nobody has missed it, so we decided to remove the code rather than fix it. If you have old certificate chains stored in PKCS#7 format, you can convert them to a list of PEM certificates by using 'certtool --p7-info'. Reported by Christian Grothoff <[EMAIL PROTECTED]>. ** gnutls-cli: Improve --list output to include public key and signature algs. ** gnutls-cli, gnutls-serv: Remove --copyright parameter. Use standard --version to get license info. ** The main manual and the GTK-DOC API documentation have been improved. ** Uses autoconf 2.63, automake 1.10.1, libtool 2.2.6a. Major developer visible changes compared to the v2.4 branch: ** Added API to replace and update the crypto backend. The header gnutls/crypto.h is now officially supported, and declares the symbols below. gnutls_crypto_bigint_register2: ADDED. gnutls_crypto_cipher_register2: ADDED. gnutls_crypto_digest_register2: ADDED. gnutls_crypto_mac_register2: ADDED. gnutls_crypto_pk_register2: ADDED. gnutls_crypto_rnd_register2: ADDED. gnutls_crypto_single_cipher_register2: ADDED. gnutls_crypto_single_digest_register2: ADDED. gnutls_crypto_single_mac_register2: ADDED. ** libgnutls: gnutls_x509_crt_set_subject_alt_name() was added that can either set or append alternative names. It can also handle binary structures such as IP addresses. ** libgnutls: New function to set minimum acceptable SRP bits. The function is gnutls_srp_set_prime_bits. Tiny patch by Kevin Quick <[EMAIL PROTECTED]> in <https://savannah.gnu.org/support/index.php?106454>. ** libgnutls: Add interface to deal with public key and signature algorithms. The functions are called gnutls_pk_list, gnutls_pk_get_id, gnutls_sign_list, and gnutls_sign_get_id. Suggested by Sam Varshavchik <[EMAIL PROTECTED]>. ** libgnutls: New interfaces to get name of public key and signing algorithms. The functions are gnutls_sign_get_name and gnutls_pk_get_name. ** libgnutls: New API to get a string corresponding to a error symbol. The function is gnutls_strerror_name. ** libgnutls: New API to set the public parameters in a certificate request ** from a private key. The function is gnutls_x509_crq_set_key_rsa_raw. Inspired by discussion with "Zach C." <[EMAIL PROTECTED]>. ** libgnutls: New API to set a callback to extract TLS Finished data. The function to register is gnutls_session_set_finished_function and it takes a callback of the gnutls_finished_callback_func type. ** libgnutls: Fix namespace problem with TLS_MASTER_SIZE and TLS_RANDOM_SIZE. The new names are GNUTLS_MASTER_SIZE and GNUTLS_RANDOM_SIZE. The old names are mapped to the new names in compat.h. These mappings will likely be removed more quickly than other mappings in that file due to the namespace violation. ** libgnutls: New interface to register a new TLS extension handler. The new function gnutls_ext_register can be used to register handlers for specific TLS extension types. The callback functions have the new types gnutls_ext_recv_func and gnutls_ext_send_func. A type to classify TLS extensions, gnutls_ext_parse_type_t, has been added as well. ** Opencdk: Add calls to gnutls_assert to ease debugging. ** libgnutls-extra: Add function to work with Libgcrypt in FIPS mode. The function is gnutls_register_md5_handler. When libgcrypt is in FIPS mode, MD5 is disabled, but TLS normally requires use of MD5 in the PRF. Of course, many smaller fixes have been made, see the ChangeLog file. API/ABI changes in GnuTLS 2.6 ============================= No functions have been removed or modified. The library should be fully backwards compatible on both the source and binary level. A new header file <gnutls/crypto.h> have been added. It contains definitions related to replacing the internal crypto functionality. All definitions and the header itself is experimental but supported. We have realized that the symbols TLS_MASTER_SIZE and TLS_RANDOM_SIZE does not use the normal namespace. We have added GNUTLS_MASTER_SIZE and GNUTLS_RANDOM_SIZE, but the old symbols are still defined. The following functions have been added to libgnutls: GNUTLS_MASTER_SIZE GNUTLS_RANDOM_SIZE gnutls_crypto_bigint_register2 gnutls_crypto_cipher_register2 gnutls_crypto_digest_register2 gnutls_crypto_mac_register2 gnutls_crypto_pk_register2 gnutls_crypto_rnd_register2 gnutls_crypto_single_cipher_register2 gnutls_crypto_single_digest_register2 gnutls_crypto_single_mac_register2 gnutls_ext_register gnutls_pk_get_id gnutls_pk_get_name gnutls_pk_list gnutls_session_set_finished_function gnutls_sign_get_id gnutls_sign_get_name gnutls_sign_list gnutls_srp_set_prime_bits: gnutls_strerror_name gnutls_x509_crq_set_key_rsa_raw gnutls_x509_crt_set_crl_dist_points2 gnutls_x509_crt_set_subject_alt_name The following functions have been added to libgnutls-extra: gnutls_register_md5_handler Getting the Software ==================== GnuTLS may be downloaded from one of the mirror sites or direct from <ftp://ftp.gnutls.org/pub/gnutls/>. The list of mirrors can be found at <http://www.gnu.org/software/gnutls/download.html>. Here are the BZIP2 compressed sources (4.9MB): ftp://ftp.gnu.org/gnu/gnutls/gnutls-2.6.0.tar.bz2 http://ftp.gnu.org/gnu/gnutls/gnutls-2.6.0.tar.bz2 Here are OpenPGP detached signatures signed using key 0xB565716F: ftp://ftp.gnu.org/gnu/gnutls/gnutls-2.6.0.tar.bz2.sig http://ftp.gnu.org/gnu/gnutls/gnutls-2.6.0.tar.bz2.sig Note, that we don't distribute gzip compressed tarballs. In order to check that the version of GnuTLS which you are going to install is an original and unmodified one, you should verify the OpenPGP signature. You can use the command gpg --verify gnutls-2.6.0.tar.bz2.sig This checks whether the signature file matches the source file. You should see a message indicating that the signature is good and made by that signing key. Make sure that you have the right key, either by checking the fingerprint of that key with other sources or by checking that the key has been signed by a trustworthy other key. The signing key can be identified with the following information: pub 1280R/B565716F 2002-05-05 [expires: 2009-04-21] Key fingerprint = 0424 D4EE 81A0 E3D1 19C6 F835 EDA2 1E94 B565 716F uid Simon Josefsson <[EMAIL PROTECTED]> uid Simon Josefsson <[EMAIL PROTECTED]> sub 1280R/4D5D40AE 2002-05-05 [expires: 2009-04-21] The key is available from: http://josefsson.org/key.txt dns:b565716f.josefsson.org?TYPE=CERT Alternatively, after successfully verifying the OpenPGP signature of this announcement, you could verify that the files match the following checksum values. The values are for SHA-1 and SHA-224 respectively: bbd9e5f3a77bfcbef5a769c67d1576e7a6e4bda5 gnutls-2.6.0.tar.bz2 c8b42e979224051e756bd0a9c37da54ef19f49f47f18f741e3c33c56 gnutls-2.6.0.tar.bz2 Documentation ============= The manual is available online at: http://www.gnu.org/software/gnutls/documentation.html In particular the following formats are available: HTML: http://www.gnu.org/software/gnutls/manual/html_node/index.html PDF: http://www.gnu.org/software/gnutls/manual/gnutls.pdf For developers there is a GnuTLS API reference manual formatted using the GTK-DOC tools: http://www.gnu.org/software/gnutls/reference/gnutls-gnutls.html Community ========= If you need help to use GnuTLS, or want to help others, you are invited to join our help-gnutls mailing list, see: http://lists.gnu.org/mailman/listinfo/help-gnutls If you wish to participate in the development of GnuTLS, you are invited to join our gnutls-dev mailing list, see: http://lists.gnupg.org/mailman/listinfo/gnutls-dev Windows installer ================= GnuTLS has been ported to the Windows operating system, and a binary installer is available. The installer contains DLLs for application development, manuals, examples, and source code. The installer uses libgpg-error v1.6, libgcrypt v1.4.3, libtasn1 v1.5, and GnuTLS v2.6.0. For more information about GnuTLS for Windows: http://josefsson.org/gnutls4win/ The Windows binary installer and PGP signature: http://josefsson.org/gnutls4win/gnutls-2.6.0.exe (14MB) http://josefsson.org/gnutls4win/gnutls-2.6.0.exe.sig The checksum values for SHA-1 and SHA-224 are: 305efcd1515dc8c4e3b0b2caa5cfe4436b74c09d gnutls-2.6.0.exe 5a2971b672d50e3c384e78a334002f4c04d63e9eae49dc5d28a84b4d gnutls-2.6.0.exe Thanks to Enrico Tassi, we also have mingw32 *.deb's available: http://josefsson.org/gnutls4win/mingw32-gnutls_2.3.15-1_all.deb The checksum values for SHA-1 and SHA-224 are: cde730b75340676f5149afda9a0d8556131f47a8 mingw32-gnutls_2.6.0-1_all.deb 8eb3d88360da079b86eec549ba41111acc7be5b8a375eee08f4bf848 mingw32-gnutls_2.6.0-1_all.deb Internationalization ==================== GnuTLS messages have been translated into Dutch, French, German, Malay, Polish, Swedish, and Vietnamese. We welcome the addition of more translations. Support ======= Improving GnuTLS is costly, but you can help! We are looking for organizations that find GnuTLS useful and wish to contribute back. You can contribute by reporting bugs, improve the software, or donate money or equipment. Commercial support contracts for GnuTLS are available, and they help finance continued maintenance. Simon Josefsson Datakonsult, a Stockholm based privately held company, is currently funding GnuTLS maintenance. We are always looking for interesting development projects. See http://josefsson.org/ for more details. The GnuTLS service directory is available at: http://www.gnu.org/software/gnutls/commercial.html Happy Hacking, Simon
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