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Ralf S. Engelschall
committed
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This is a high-level summary of the most important changes.
For a full list of changes, see the git commit log; for example,
https://github.com/openssl/openssl/commits/ and pick the appropriate
release branch.
Changes between 1.1.0f and 1.1.1 [xx XXX xxxx]
*) Support for TLSv1.3 added. Note that users upgrading from an earlier
version of OpenSSL should review their configuration settings to ensure
that they are still appropriate for TLSv1.3. In particular if no TLSv1.3
ciphersuites are enabled then OpenSSL will refuse to make a connection
unless (1) TLSv1.3 is explicitly disabled or (2) the ciphersuite
configuration is updated to include suitable ciphersuites. The DEFAULT
ciphersuite configuration does include TLSv1.3 ciphersuites. For further
information on this and other related issues please see:
https://www.openssl.org/blog/blog/2017/05/04/tlsv1.3/
NOTE: In this pre-release of OpenSSL a draft version of the
TLSv1.3 standard has been implemented. Implementations of different draft
versions of the standard do not inter-operate, and this version will not
inter-operate with an implementation of the final standard when it is
eventually published. Different pre-release versions may implement
different versions of the draft. The final version of OpenSSL 1.1.1 will
implement the final version of the standard.
TODO(TLS1.3): Remove the above note before final release
[Matt Caswell]
*) Changed Configure so it only says what it does and doesn't dump
so much data. Instead, ./configdata.pm should be used as a script
to display all sorts of configuration data.
[Richard Levitte]
*) Added processing of "make variables" to Configure.
[Richard Levitte]
*) Added SHA512/224 and SHA512/256 algorithm support.
[Paul Dale]
*) The last traces of Netware support, first removed in 1.1.0, have
now been removed.
[Rich Salz]
*) Get rid of Makefile.shared, and in the process, make the processing
of certain files (rc.obj, or the .def/.map/.opt files produced from
the ordinal files) more visible and hopefully easier to trace and
debug (or make silent).
[Richard Levitte]
*) Make it possible to have environment variable assignments as
arguments to config / Configure.
[Richard Levitte]
*) Add multi-prime RSA (RFC 8017) support.
[Paul Yang]
*) Add SM3 implemented according to GB/T 32905-2016
[ Jack Lloyd <jack.lloyd@ribose.com>,
Ronald Tse <ronald.tse@ribose.com>,
Erick Borsboom <erick.borsboom@ribose.com> ]
*) Add 'Maximum Fragment Length' TLS extension negotiation and support
as documented in RFC6066.
Based on a patch from Tomasz Moń
[Filipe Raimundo da Silva]
*) Add SM4 implemented according to GB/T 32907-2016.
[ Jack Lloyd <jack.lloyd@ribose.com>,
Ronald Tse <ronald.tse@ribose.com>,
Erick Borsboom <erick.borsboom@ribose.com> ]
*) Reimplement -newreq-nodes and ERR_error_string_n; the
original author does not agree with the license change.
[Rich Salz]
*) Add ARIA AEAD TLS support.
[Jon Spillett]
*) Some macro definitions to support VS6 have been removed. Visual
Studio 6 has not worked since 1.1.0
[Rich Salz]
*) Add ERR_clear_last_mark(), to allow callers to clear the last mark
without clearing the errors.
[Richard Levitte]
*) Add "atfork" functions. If building on a system that without
pthreads, see doc/man3/OPENSSL_fork_prepare.pod for application
requirements. The RAND facility now uses/requires this.
[Rich Salz]
*) The UI API becomes a permanent and integral part of libcrypto, i.e.
not possible to disable entirely. However, it's still possible to
disable the console reading UI method, UI_OpenSSL() (use UI_null()
as a fallback).
To disable, configure with 'no-ui-console'. 'no-ui' is still
possible to use as an alias. Check at compile time with the
macro OPENSSL_NO_UI_CONSOLE. The macro OPENSSL_NO_UI is still
possible to check and is an alias for OPENSSL_NO_UI_CONSOLE.
[Richard Levitte]
*) Add a STORE module, which implements a uniform and URI based reader of
stores that can contain keys, certificates, CRLs and numerous other
objects. The main API is loosely based on a few stdio functions,
and includes OSSL_STORE_open, OSSL_STORE_load, OSSL_STORE_eof,
OSSL_STORE_error and OSSL_STORE_close.
The implementation uses backends called "loaders" to implement arbitrary
URI schemes. There is one built in "loader" for the 'file' scheme.
[Richard Levitte]
*) Add devcrypto engine. This has been implemented against cryptodev-linux,
then adjusted to work on FreeBSD 8.4 as well.
Enable by configuring with 'enable-devcryptoeng'. This is done by default
on BSD implementations, as cryptodev.h is assumed to exist on all of them.
[Richard Levitte]
*) Module names can prefixed with OSSL_ or OPENSSL_. This affects
util/mkerr.pl, which is adapted to allow those prefixes, leading to
error code calls like this:
OSSL_FOOerr(OSSL_FOO_F_SOMETHING, OSSL_FOO_R_WHATEVER);
With this change, we claim the namespaces OSSL and OPENSSL in a manner
that can be encoded in C. For the foreseeable future, this will only
affect new modules.
[Richard Levitte and Tim Hudson]
*) Removed BSD cryptodev engine.
[Rich Salz]
*) Add a build target 'build_all_generated', to build all generated files
and only that. This can be used to prepare everything that requires
things like perl for a system that lacks perl and then move everything
to that system and do the rest of the build there.
[Richard Levitte]
*) In the UI interface, make it possible to duplicate the user data. This
can be used by engines that need to retain the data for a longer time
than just the call where this user data is passed.
[Richard Levitte]
*) Ignore the '-named_curve auto' value for compatibility of applications
with OpenSSL 1.0.2.
[Tomas Mraz <tmraz@fedoraproject.org>]
*) Fragmented SSL/TLS alerts are no longer accepted. An alert message is 2
bytes long. In theory it is permissible in SSLv3 - TLSv1.2 to fragment such
alerts across multiple records (some of which could be empty). In practice
it make no sense to send an empty alert record, or to fragment one. TLSv1.3
prohibts this altogether and other libraries (BoringSSL, NSS) do not
support this at all. Supporting it adds significant complexity to the
record layer, and its removal is unlikely to cause inter-operability
issues.
[Matt Caswell]
*) Add the ASN.1 types INT32, UINT32, INT64, UINT64 and variants prefixed
with Z. These are meant to replace LONG and ZLONG and to be size safe.
The use of LONG and ZLONG is discouraged and scheduled for deprecation
in OpenSSL 1.2.0.
[Richard Levitte]
*) Add the 'z' and 'j' modifiers to BIO_printf() et al formatting string,
'z' is to be used for [s]size_t, and 'j' - with [u]int64_t.
[Richard Levitte, Andy Polyakov]
*) Add EC_KEY_get0_engine(), which does for EC_KEY what RSA_get0_engine()
does for RSA, etc.
[Richard Levitte]
*) Have 'config' recognise 64-bit mingw and choose 'mingw64' as the target
platform rather than 'mingw'.
[Richard Levitte]
*) The functions X509_STORE_add_cert and X509_STORE_add_crl return
success if they are asked to add an object which already exists
in the store. This change cascades to other functions which load
certificates and CRLs.
[Paul Dale]
*) x86_64 assembly pack: annotate code with DWARF CFI directives to
facilitate stack unwinding even from assembly subroutines.
[Andy Polyakov]
*) Remove VAX C specific definitions of OPENSSL_EXPORT, OPENSSL_EXTERN.
Also remove OPENSSL_GLOBAL entirely, as it became a no-op.
[Richard Levitte]
*) Remove the VMS-specific reimplementation of gmtime from crypto/o_times.c.
VMS C's RTL has a fully up to date gmtime() and gmtime_r() since V7.1,
which is the minimum version we support.
[Richard Levitte]
*) Certificate time validation (X509_cmp_time) enforces stricter
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