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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.
*) Deprecate ec2_mult.c and unify scalar multiplication code paths for
binary and prime elliptic curves.
[Billy Bob Brumley]
*) Remove ECDSA nonce padding: EC_POINT_mul is now responsible for
constant time fixed point multiplication.
[Billy Bob Brumley]
*) Updated CONTRIBUTING
[Rich Salz]
*) Updated DRBG / RAND to request nonce and additional low entropy
randomness from the system.
[Matthias St. Pierre]
*) Updated 'openssl rehash' to use OpenSSL consistent default.
[Richard Levitte]
*) Moved the load of the ssl_conf module to libcrypto, which helps
loading engines that libssl uses before libssl is initialised.
[Matt Caswell]
*) Added EVP_PKEY_sign() and EVP_PKEY_verify() for EdDSA
[Matt Caswell]
*) Fixed X509_NAME_ENTRY_set to get multi-valued RDNs right in all cases.
[Ingo Schwarze, Rich Salz]
*) Added output of accepting IP address and port for 'openssl s_server'
[Richard Levitte]
*) Added a new API for TLSv1.3 ciphersuites:
SSL_CTX_set_ciphersuites()
SSL_set_ciphersuites()
[Matt Caswell]
*) Memory allocation failures consistenly add an error to the error
stack.
[Rich Salz]
*) Don't use OPENSSL_ENGINES and OPENSSL_CONF environment values
in libcrypto when run as setuid/setgid.
[Bernd Edlinger]
*) Load any config file by default when libssl is used.
[Matt Caswell]
*) Added new public header file <openssl/rand_drbg.h> and documentation
for the RAND_DRBG API. See manual page RAND_DRBG(7) for an overview.
[Matthias St. Pierre]
*) QNX support removed (cannot find contributors to get their approval
for the license change).
[Rich Salz]
*) TLSv1.3 replay protection for early data has been implemented. See the
SSL_read_early_data() man page for further details.
[Matt Caswell]
*) Separated TLSv1.3 ciphersuite configuration out from TLSv1.2 ciphersuite
configuration. TLSv1.3 ciphersuites are not compatible with TLSv1.2 and
below. Similarly TLSv1.2 ciphersuites are not compatible with TLSv1.3.
In order to avoid issues where legacy TLSv1.2 ciphersuite configuration
would otherwise inadvertently disable all TLSv1.3 ciphersuites the
configuration has been separated out. See the ciphers man page or the
SSL_CTX_set_ciphersuites() man page for more information.
[Matt Caswell]
*) On POSIX (BSD, Linux, ...) systems the ocsp(1) command running
in responder mode now supports the new "-multi" option, which
spawns the specified number of child processes to handle OCSP
requests. The "-timeout" option now also limits the OCSP
responder's patience to wait to receive the full client request
on a newly accepted connection. Child processes are respawned
as needed, and the CA index file is automatically reloaded
when changed. This makes it possible to run the "ocsp" responder
as a long-running service, making the OpenSSL CA somewhat more
feature-complete. In this mode, most diagnostic messages logged
after entering the event loop are logged via syslog(3) rather than
written to stderr.
[Viktor Dukhovni]
*) Added support for X448 and Ed448. Heavily based on original work by
Mike Hamburg.
*) Extend OSSL_STORE with capabilities to search and to narrow the set of
objects loaded. This adds the functions OSSL_STORE_expect() and
OSSL_STORE_find() as well as needed tools to construct searches and
get the search data out of them.
[Richard Levitte]
*) 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. For further information see:
https://www.openssl.org/blog/blog/2018/02/08/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]
*) Grand redesign of the OpenSSL random generator
The default RAND method now utilizes an AES-CTR DRBG according to
NIST standard SP 800-90Ar1. The new random generator is essentially
a port of the default random generator from the OpenSSL FIPS 2.0
object module. It is a hybrid deterministic random bit generator
using an AES-CTR bit stream and which seeds and reseeds itself
automatically using trusted system entropy sources.
Some of its new features are:
o Support for multiple DRBG instances with seed chaining.
o Add a public DRBG instance for the default RAND method.
o Add a dedicated DRBG instance for generating long term private keys.
o Make the DRBG instances fork-safe.
o Keep all global DRBG instances on the secure heap if it is enabled.
o Add a DRBG instance to every SSL instance for lock free operation
and to increase unpredictability.
[Paul Dale, Benjamin Kaduk, Kurt Roeckx, Rich Salz, Matthias St. Pierre]
*) 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]
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