Newer
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Ralf S. Engelschall
committed
_______________
Changes between 1.0.2e and 1.1.0 [xx XXX xxxx]
*) New EC_KEY_METHOD, this replaces the older ECDSA_METHOD and ECDH_METHOD
and integrates ECDSA and ECDH functionality into EC. Implementations can
now redirect key generation and no longer need to convert to or from
ECDSA_SIG format.
Note: the ecdsa.h and ecdh.h headers are now no longer needed and just
include the ec.h header file instead.
[Steve Henson]
*) Remove support for all 40 and 56 bit ciphers. This includes all the export
ciphers who are no longer supported and drops support the ephemeral RSA key
exchange. The LOW ciphers currently doesn't have any ciphers in it.
[Kurt Roeckx]
*) Make EVP_MD_CTX, EVP_MD and HMAC_CTX opaque. For HMAC_CTX, the
following constructors and destructors were added:
HMAC_CTX *HMAC_CTX_new(void);
void HMAC_CTX_free(HMAC_CTX *ctx);
For EVP_MD, a complete API to create, fill and destroy such
methods has been added. See EVP_MD_meth_new(3) for
documentation.
Additional changes:
1) HMAC_CTX_cleanup() and EVP_MD_CTX_cleanup() were removed,
HMAC_CTX_init() and EVP_MD_CTX_init() should be called instead
to reinitialise and already created structure. Also,
HMAC_CTX_init() and EVP_MD_CTX_init() now return 0 for failure
and 1 for success (they previously had the return type void).
2) For consistency with the majority of our object creators and
destructors, EVP_MD_CTX_(create|destroy) were renamed to
EVP_MD_CTX_(new|free). The old names are retained as macros
for deprecated builds.
[Richard Levitte]
*) Added ASYNC support. Libcrypto now includes the async sub-library to enable
cryptographic operations to be performed asynchronously as long as an
asynchronous capable engine is used. See the ASYNC_start_job() man page for
further details. Libssl has also had this capability integrated with the
introduction of the new mode SSL_MODE_ASYNC and associated error
SSL_ERROR_WANT_ASYNC. See the SSL_CTX_set_mode() and SSL_get_error() man
pages. This work was developed in partnership with Intel Corp.
*) SSL_{CTX_}set_ecdh_auto() has been removed and ECDH is support is
always enabled now. If you want to disable the support you should
exclude it using the list of supported ciphers.
[Kurt Roeckx]
*) SSL_{CTX}_set_tmp_ecdh() which can set 1 EC curve now internally calls
SSL_{CTX_}set1_curves() which can set a list.
[Kurt Roeckx]
*) Remove support for SSL_{CTX_}set_tmp_ecdh_callback(). You should set the
curve you want to support using SSL_{CTX_}set1_curves().
[Kurt Roeckx]
*) State machine rewrite. The state machine code has been significantly
refactored in order to remove much duplication of code and solve issues
with the old code (see ssl/statem/README for further details). This change
does have some associated API changes. Notably the SSL_state() function
has been removed and replaced by SSL_get_state which now returns an
"OSSL_HANDSHAKE_STATE" instead of an int. SSL_set_state() has been removed
altogether. The previous handshake states defined in ssl.h and ssl3.h have
*) All instances of the string "ssleay" in the public API were replaced
with OpenSSL (case-matching; e.g., OPENSSL_VERSION for #define's)
Some error codes related to internal RSA_eay API's were renamed.
*) The demo files in crypto/threads were moved to demo/threads.
[Rich Salz]
*) Removed obsolete engines: 4758cca, aep, atalla, cswift, nuron and sureware.
[Matt Caswell]
*) New ASN.1 embed macro.
New ASN.1 macro ASN1_EMBED. This is the same as ASN1_SIMPLE except the
structure is not allocated: it is part of the parent. That is instead of
FOO *x;
it must be:
FOO x;
This reduces memory fragmentation and make it impossible to accidentally
set a mandatory field to NULL.
This currently only works for some fields specifically a SEQUENCE, CHOICE,
or ASN1_STRING type which is part of a parent SEQUENCE. Since it is
equivalent to ASN1_SIMPLE it cannot be tagged, OPTIONAL, SET OF or
SEQUENCE OF.
[Steve Henson]
*) Remove EVP_CHECK_DES_KEY, a compile-time option that never compiled.
[Emilia Käsper]
*) Removed DES and RC4 ciphersuites from DEFAULT. Also removed RC2 although
in 1.0.2 EXPORT was already removed and the only RC2 ciphersuite is also
an EXPORT one. COMPLEMENTOFDEFAULT has been updated accordingly to add
DES and RC4 ciphersuites.
[Matt Caswell]
*) Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs.
This changes the decoding behaviour for some invalid messages,
though the change is mostly in the more lenient direction, and
legacy behaviour is preserved as much as possible.
[Emilia Käsper]
*) Fix no-stdio build.
[ David Woodhouse <David.Woodhouse@intel.com> and also
Ivan Nestlerode <ivan.nestlerode@sonos.com> ]
*) New testing framework
The testing framework has been largely rewritten and is now using
perl and the perl modules Test::Harness and an extended variant of
Test::More called OpenSSL::Test to do its work. All test scripts in
test/ have been rewritten into test recipes, and all direct calls to
executables in test/Makefile have become individual recipes using the
simplified testing OpenSSL::Test::Simple.
For documentation on our testing modules, do:
perldoc test/testlib/OpenSSL/Test/Simple.pm
perldoc test/testlib/OpenSSL/Test.pm
[Richard Levitte]
*) In DSA_generate_parameters_ex, if the provided seed is too short,
return an error
[Rich Salz and Ismo Puustinen <ismo.puustinen@intel.com>]
*) Rewrite PSK to support ECDHE_PSK, DHE_PSK and RSA_PSK. Add ciphersuites
from RFC4279, RFC4785, RFC5487, RFC5489.
Thanks to Christian J. Dietrich and Giuseppe D'Angelo for the
original RSA_PSK patch.
[Steve Henson]
*) Dropped support for the SSL3_FLAGS_DELAY_CLIENT_FINISHED flag. This SSLeay
era flag was never set throughout the codebase (only read). Also removed
SSL3_FLAGS_POP_BUFFER which was only used if
SSL3_FLAGS_DELAY_CLIENT_FINISHED was also set.
[Matt Caswell]
*) Changed the default name options in the "ca", "crl", "req" and "x509"
to be "oneline" instead of "compat".
[Richard Levitte]
*) Remove SSL_OP_TLS_BLOCK_PADDING_BUG. This is SSLeay legacy, we're
not aware of clients that still exhibit this bug, and the workaround
hasn't been working properly for a while.
*) The return type of BIO_number_read() and BIO_number_written() as well as
the corresponding num_read and num_write members in the BIO structure has
changed from unsigned long to uint64_t. On platforms where an unsigned
long is 32 bits (e.g. Windows) these counters could overflow if >4Gb is
transferred.
[Matt Caswell]
*) Given the pervasive nature of TLS extensions it is inadvisable to run
OpenSSL without support for them. It also means that maintaining
the OPENSSL_NO_TLSEXT option within the code is very invasive (and probably
not well tested). Therefore the OPENSSL_NO_TLSEXT option has been removed.
[Matt Caswell]
*) Removed support for the two export grade static DH ciphersuites
EXP-DH-RSA-DES-CBC-SHA and EXP-DH-DSS-DES-CBC-SHA. These two ciphersuites
were newly added (along with a number of other static DH ciphersuites) to
1.0.2. However the two export ones have *never* worked since they were
introduced. It seems strange in any case to be adding new export
ciphersuites, and given "logjam" it also does not seem correct to fix them.
[Matt Caswell]
*) Version negotiation has been rewritten. In particular SSLv23_method(),
SSLv23_client_method() and SSLv23_server_method() have been deprecated,
and turned into macros which simply call the new preferred function names
TLS_method(), TLS_client_method() and TLS_server_method(). All new code
should use the new names instead. Also as part of this change the ssl23.h
header file has been removed.
[Matt Caswell]
*) Support for Kerberos ciphersuites in TLS (RFC2712) has been removed. This
code and the associated standard is no longer considered fit-for-purpose.
[Matt Caswell]
*) RT2547 was closed. When generating a private key, try to make the
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