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 OpenSSL CHANGES
 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]
Rich Salz's avatar
Rich Salz committed
  *) 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]

Rich Salz's avatar
Rich Salz committed
  *) 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]

  *) Add SHA3.
     [Andy Polyakov]

  *) 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]

Rich Salz's avatar
Rich Salz committed
  *) 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]

Richard Levitte's avatar
Richard Levitte committed
  *) 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
     compliance with RFC 5280. Fractional seconds and timezone offsets
     are no longer allowed.
     [Emilia Käsper]

  *) Add support for ARIA
     [Paul Dale]

  *) s_client will now send the Server Name Indication (SNI) extension by
     default unless the new "-noservername" option is used. The server name is
     based on the host provided to the "-connect" option unless overridden by
     using "-servername".
     [Matt Caswell]

  *) Add support for SipHash
     [Todd Short]

  *) OpenSSL now fails if it receives an unrecognised record type in TLS1.0
     or TLS1.1. Previously this only happened in SSLv3 and TLS1.2. This is to
     prevent issues where no progress is being made and the peer continually
     sends unrecognised record types, using up resources processing them.
     [Matt Caswell]
  *) 'openssl passwd' can now produce SHA256 and SHA512 based output,
     using the algorithm defined in
     https://www.akkadia.org/drepper/SHA-crypt.txt
     [Richard Levitte]

  *) Heartbeat support has been removed; the ABI is changed for now.
     [Richard Levitte, Rich Salz]

Emilia Kasper's avatar
Emilia Kasper committed
  *) Support for SSL_OP_NO_ENCRYPT_THEN_MAC in SSL_CONF_cmd.
     [Emilia Käsper]

  *) The RSA "null" method, which was partially supported to avoid patent
     issues, has been replaced to always returns NULL.
     [Rich Salz]

 Changes between 1.1.0e and 1.1.0f [25 May 2017]

  *) Have 'config' recognise 64-bit mingw and choose 'mingw64' as the target
     platform rather than 'mingw'.
     [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]

 Changes between 1.1.0d and 1.1.0e [16 Feb 2017]

  *) Encrypt-Then-Mac renegotiation crash

     During a renegotiation handshake if the Encrypt-Then-Mac extension is
     negotiated where it was not in the original handshake (or vice-versa) then
     this can cause OpenSSL to crash (dependant on ciphersuite). Both clients
     and servers are affected.

     This issue was reported to OpenSSL by Joe Orton (Red Hat).
     (CVE-2017-3733)
     [Matt Caswell]

 Changes between 1.1.0c and 1.1.0d [26 Jan 2017]

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