OpenSSL CHANGES
_______________
- Changes between 0.9.8g and 0.9.9 [xx XXX xxxx]
+ Changes between 0.9.8j and 0.9.9 [xx XXX xxxx]
- *) Expand ENGINE to support engine supplied SSL client certificate functions.
+ *) Add session ticket override functionality for use by EAP-FAST.
+ [Jouni Malinen <j@w1.fi>]
+
+ *) Modify HMAC functions to return a value. Since these can be implemented
+ in an ENGINE errors can occur.
[Steve Henson]
- *) Revamp of LHASH to provide stronger type-checking. Still to come:
- STACK, TXT_DB, bsearch, qsort.
+ *) Type-checked OBJ_bsearch_ex.
+ [Ben Laurie]
+
+ *) Type-checked OBJ_bsearch. Also some constification necessitated
+ by type-checking. Still to come: TXT_DB, bsearch(?),
+ OBJ_bsearch_ex, qsort, CRYPTO_EX_DATA, ASN1_VALUE, ASN1_STRING,
+ CONF_VALUE.
[Ben Laurie]
- *) Not all of this is true any longer.
- Will have to be updated to reflect all subsequent changes to cryptlib.c.
- --bodo
+ *) New function OPENSSL_gmtime_adj() to add a specific number of days and
+ seconds to a tm structure directly, instead of going through OS
+ specific date routines. This avoids any issues with OS routines such
+ as the year 2038 bug. New *_adj() functions for ASN1 time structures
+ and X509_time_adj_ex() to cover the extended range. The existing
+ X509_time_adj() is still usable and will no longer have any date issues.
+ [Steve Henson]
+
+ *) Delta CRL support. New use deltas option which will attempt to locate
+ and search any appropriate delta CRLs available.
+
+ This work was sponsored by Google.
+ [Steve Henson]
+ *) Support for CRLs partitioned by reason code. Reorganise CRL processing
+ code and add additional score elements. Validate alternate CRL paths
+ as part of the CRL checking and indicate a new error "CRL path validation
+ error" in this case. Applications wanting additional details can use
+ the verify callback and check the new "parent" field. If this is not
+ NULL CRL path validation is taking place. Existing applications wont
+ see this because it requires extended CRL support which is off by
+ default.
- To support arbitrarily-typed thread IDs, deprecate the existing
- type-specific APIs for a general purpose CRYPTO_THREADID
- interface. Applications can choose the thread ID
- callback type it wishes to register, as before;
+ This work was sponsored by Google.
+ [Steve Henson]
- void CRYPTO_set_id_callback(unsigned long (*func)(void));
- void CRYPTO_set_idptr_callback(void *(*func)(void));
+ *) Support for freshest CRL extension.
- but retrieval, copies, and comparisons of thread IDs are via
- type-independent interfaces;
+ This work was sponsored by Google.
+ [Steve Henson]
- void CRYPTO_THREADID_set(CRYPTO_THREADID *id);
- void CRYPTO_THREADID_cmp(const CRYPTO_THREADID *id1,
- const CRYPTO_THREADID *id2);
- void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dst,
- const CRYPTO_THREADID *src);
+ *) Initial indirect CRL support. Currently only supported in the CRLs
+ passed directly and not via lookup. Process certificate issuer
+ CRL entry extension and lookup CRL entries by bother issuer name
+ and serial number. Check and process CRL issuer entry in IDP extension.
- Also, for code that needs a thread ID "value" for use in
- hash-tables or logging, a "hash" is available by;
+ This work was sponsored by Google.
+ [Steve Henson]
- unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id);
+ *) Add support for distinct certificate and CRL paths. The CRL issuer
+ certificate is validated separately in this case. Only enabled if
+ an extended CRL support flag is set: this flag will enable additional
+ CRL functionality in future.
- This hash value is likely to be the thread ID anyway, but
- otherwise it will be unique if possible or as collision-free as
- possible if uniqueness can't be guaranteed on the target
- architecture.
+ This work was sponsored by Google.
+ [Steve Henson]
- The following functions are deprecated;
- unsigned long (*CRYPTO_get_id_callback(void))(void);
- unsigned long CRYPTO_thread_id(void);
+ *) Add support for policy mappings extension.
- As a consequence of the above, there are similar deprecations of
- BN_BLINDING functions in favour of CRYPTO_THREADID-based
- alternatives;
+ This work was sponsored by Google.
+ [Steve Henson]
- #ifndef OPENSSL_NO_DEPRECATED
- unsigned long BN_BLINDING_get_thread_id(const BN_BLINDING *);
- void BN_BLINDING_set_thread_id(BN_BLINDING *, unsigned long);
- #endif
- void BN_BLINDING_set_thread(BN_BLINDING *);
- int BN_BLINDING_cmp_thread(const BN_BLINDING *, const
- CRYPTO_THREADID *);
+ *) Fixes to pathlength constraint, self issued certificate handling,
+ policy processing to align with RFC3280 and PKITS tests.
- Also, the ERR_remove_state(int pid) API has been deprecated;
+ This work was sponsored by Google.
+ [Steve Henson]
- #ifndef OPENSSL_NO_DEPRECATED
- void ERR_remove_state(unsigned long pid)
- #endif
- void ERR_remove_thread_state(CRYPTO_THREADID *tid);
+ *) Support for name constraints certificate extension. DN, email, DNS
+ and URI types are currently supported.
- [Geoff Thorpe]
+ This work was sponsored by Google.
+ [Steve Henson]
+
+ *) To cater for systems that provide a pointer-based thread ID rather
+ than numeric, deprecate the current numeric thread ID mechanism and
+ replace it with a structure and associated callback type. This
+ mechanism allows a numeric "hash" to be extracted from a thread ID in
+ either case, and on platforms where pointers are larger than 'long',
+ mixing is done to help ensure the numeric 'hash' is usable even if it
+ can't be guaranteed unique. The default mechanism is to use "&errno"
+ as a pointer-based thread ID to distinguish between threads.
+
+ Applications that want to provide their own thread IDs should now use
+ CRYPTO_THREADID_set_callback() to register a callback that will call
+ either CRYPTO_THREADID_set_numeric() or CRYPTO_THREADID_set_pointer().
+
+ Note that ERR_remove_state() is now deprecated, because it is tied
+ to the assumption that thread IDs are numeric. ERR_remove_state(0)
+ to free the current thread's error state should be replaced by
+ ERR_remove_thread_state(NULL).
+
+ (This new approach replaces the functions CRYPTO_set_idptr_callback(),
+ CRYPTO_get_idptr_callback(), and CRYPTO_thread_idptr() that existed in
+ OpenSSL 0.9.9-dev between June 2006 and August 2008. Also, if an
+ application was previously providing a numeric thread callback that
+ was inappropriate for distinguishing threads, then uniqueness might
+ have been obtained with &errno that happened immediately in the
+ intermediate development versions of OpenSSL; this is no longer the
+ case, the numeric thread callback will now override the automatic use
+ of &errno.)
+ [Geoff Thorpe, with help from Bodo Moeller]
+
+ *) Initial support for different CRL issuing certificates. This covers a
+ simple case where the self issued certificates in the chain exist and
+ the real CRL issuer is higher in the existing chain.
+
+ This work was sponsored by Google.
+ [Steve Henson]
+
+ *) Removed effectively defunct crypto/store from the build.
+ [Ben Laurie]
+
+ *) Revamp of STACK to provide stronger type-checking. Still to come:
+ TXT_DB, bsearch(?), OBJ_bsearch, qsort, CRYPTO_EX_DATA, ASN1_VALUE,
+ ASN1_STRING, CONF_VALUE.
+ [Ben Laurie]
+
+ *) Add a new SSL_MODE_RELEASE_BUFFERS mode flag to release unused buffer
+ RAM on SSL connections. This option can save about 34k per idle SSL.
+ [Nick Mathewson]
+
+ *) Revamp of LHASH to provide stronger type-checking. Still to come:
+ STACK, TXT_DB, bsearch, qsort.
+ [Ben Laurie]
*) Initial support for Cryptographic Message Syntax (aka CMS) based
on RFC3850, RFC3851 and RFC3852. New cms directory and cms utility,
list-message-digest-algorithms and list-cipher-algorithms.
[Steve Henson]
- *) In addition to the numerical (unsigned long) thread ID, provide
- for a pointer (void *) thread ID. This helps accomodate systems
- that do not provide an unsigned long thread ID. OpenSSL assumes
- it is in the same thread iff both the numerical and the pointer
- thread ID agree; so applications are just required to define one
- of them appropriately (e.g., by using a pointer to a per-thread
- memory object malloc()ed by the application for the pointer-type
- thread ID). Exactly analoguous to the existing functions
-
- void CRYPTO_set_id_callback(unsigned long (*func)(void));
- unsigned long (*CRYPTO_get_id_callback(void))(void);
- unsigned long CRYPTO_thread_id(void);
-
- we now have additional functions
-
- void CRYPTO_set_idptr_callback(void *(*func)(void));
- void *(*CRYPTO_get_idptr_callback(void))(void);
- void *CRYPTO_thread_idptr(void);
-
- also in <openssl/crypto.h>. The default value for
- CRYPTO_thread_idptr() if the application has not provided its own
- callback is &errno.
- [Bodo Moeller]
-
- -- NOTE -- this change has been reverted and replaced with a
- type-independent wrapper (ie. applications do not have to check
- two type-specific thread ID representations as implied in this
- change note). However, the "idptr" callback form described here
- can still be registered. Please see the more recent CHANGES note
- regarding CRYPTO_THREADID. [Geoff Thorpe]
- -- NOTE --
-
*) Change the array representation of binary polynomials: the list
of degrees of non-zero coefficients is now terminated with -1.
Previously it was terminated with 0, which was also part of the
*) Change 'Configure' script to enable Camellia by default.
[NTT]
+ Changes between 0.9.8i and 0.9.8j [xx XXX xxxx]
+
+ *) Allow the CHIL engine to be loaded, whether the application is
+ multithreaded or not. (This does not release the developer from the
+ obligation to set up the dynamic locking callbacks.)
+ [Sander Temme <sander@temme.net>]
+
+ *) Use correct exit code if there is an error in dgst command.
+ [Steve Henson; problem pointed out by Roland Dirlewanger]
+
+ *) Tweak Configure so that you need to say "experimental-jpake" to enable
+ JPAKE, and need to use -DOPENSSL_EXPERIMENTAL_JPAKE in applications.
+ [Bodo Moeller]
+
+ *) Add experimental JPAKE support, including demo authentication in
+ s_client and s_server.
+ [Ben Laurie]
+
+ *) Set the comparison function in v3_addr_canonize().
+ [Rob Austein <sra@hactrn.net>]
+
+ *) Add support for XMPP STARTTLS in s_client.
+ [Philip Paeps <philip@freebsd.org>]
+
+ *) Change the server-side SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG behavior
+ to ensure that even with this option, only ciphersuites in the
+ server's preference list will be accepted. (Note that the option
+ applies only when resuming a session, so the earlier behavior was
+ just about the algorithm choice for symmetric cryptography.)
+ [Bodo Moeller]
+
+ Changes between 0.9.8h and 0.9.8i [15 Sep 2008]
+
+ *) Fix a state transitition in s3_srvr.c and d1_srvr.c
+ (was using SSL3_ST_CW_CLNT_HELLO_B, should be ..._ST_SW_SRVR_...).
+ [Nagendra Modadugu]
+
+ *) The fix in 0.9.8c that supposedly got rid of unsafe
+ double-checked locking was incomplete for RSA blinding,
+ addressing just one layer of what turns out to have been
+ doubly unsafe triple-checked locking.
+
+ So now fix this for real by retiring the MONT_HELPER macro
+ in crypto/rsa/rsa_eay.c.
+
+ [Bodo Moeller; problem pointed out by Marius Schilder]
+
+ *) Various precautionary measures:
+
+ - Avoid size_t integer overflow in HASH_UPDATE (md32_common.h).
+
+ - Avoid a buffer overflow in d2i_SSL_SESSION() (ssl_asn1.c).
+ (NB: This would require knowledge of the secret session ticket key
+ to exploit, in which case you'd be SOL either way.)
+
+ - Change bn_nist.c so that it will properly handle input BIGNUMs
+ outside the expected range.
+
+ - Enforce the 'num' check in BN_div() (bn_div.c) for non-BN_DEBUG
+ builds.
+
+ [Neel Mehta, Bodo Moeller]
+
+ *) Allow engines to be "soft loaded" - i.e. optionally don't die if
+ the load fails. Useful for distros.
+ [Ben Laurie and the FreeBSD team]
+
+ *) Add support for Local Machine Keyset attribute in PKCS#12 files.
+ [Steve Henson]
+
+ *) Fix BN_GF2m_mod_arr() top-bit cleanup code.
+ [Huang Ying]
+
+ *) Expand ENGINE to support engine supplied SSL client certificate functions.
+
+ This work was sponsored by Logica.
+ [Steve Henson]
+
+ *) Add CryptoAPI ENGINE to support use of RSA and DSA keys held in Windows
+ keystores. Support for SSL/TLS client authentication too.
+ Not compiled unless enable-capieng specified to Configure.
+
+ This work was sponsored by Logica.
+ [Steve Henson]
+
+ *) Fix bug in X509_ATTRIBUTE creation: dont set attribute using
+ ASN1_TYPE_set1 if MBSTRING flag set. This bug would crash certain
+ attribute creation routines such as certifcate requests and PKCS#12
+ files.
+ [Steve Henson]
+
Changes between 0.9.8g and 0.9.8h [28 May 2008]
*) Fix flaw if 'Server Key exchange message' is omitted from a TLS
the 'db' section contains nothing but zeroes (there is a one-byte
invalid read after the end of 'db').
[Ivan Nestlerode <inestlerode@us.ibm.com>]
-
+
+ *) Partial backport from 0.9.9-dev:
+
+ Introduce bn_mul_mont (dedicated Montgomery multiplication
+ procedure) as a candidate for BIGNUM assembler implementation.
+ While 0.9.9-dev uses assembler for various architectures, only
+ x86_64 is available by default here in the 0.9.8 branch, and
+ 32-bit x86 is available through a compile-time setting.
+
+ To try the 32-bit x86 assembler implementation, use Configure
+ option "enable-montasm" (which exists only for this backport).
+
+ As "enable-montasm" for 32-bit x86 disclaims code stability
+ anyway, in this constellation we activate additional code
+ backported from 0.9.9-dev for further performance improvements,
+ namely BN_from_montgomery_word. (To enable this otherwise,
+ e.g. x86_64, try "-DMONT_FROM_WORD___NON_DEFAULT_0_9_8_BUILD".)
+
+ [Andy Polyakov (backport partially by Bodo Moeller)]
+
*) Add TLS session ticket callback. This allows an application to set
TLS ticket cipher and HMAC keys rather than relying on hardcoded fixed
values. This is useful for key rollover for example where several key
implementation.
[Ian Lister (tweaked by Geoff Thorpe)]
+ *) Backport of CMS code to OpenSSL 0.9.8. This differs from the 0.9.9
+ implemention in the following ways:
+
+ Lack of EVP_PKEY_ASN1_METHOD means algorithm parameters have to be
+ hard coded.
+
+ Lack of BER streaming support means one pass streaming processing is
+ only supported if data is detached: setting the streaming flag is
+ ignored for embedded content.
+
+ CMS support is disabled by default and must be explicitly enabled
+ with the enable-cms configuration option.
+ [Steve Henson]
+
*) Update the GMP engine glue to do direct copies between BIGNUM and
mpz_t when openssl and GMP use the same limb size. Otherwise the
existing "conversion via a text string export" trick is still used.
- [Paul Sheer <paulsheer@gmail.com>, Geoff Thorpe]
+ [Paul Sheer <paulsheer@gmail.com>]
*) Zlib compression BIO. This is a filter BIO which compressed and
uncompresses any data passed through it.
authentication-only ciphersuites.
[Bodo Moeller]
+ *) Update the SSL_get_shared_ciphers() fix CVE-2006-3738 which was
+ not complete and could lead to a possible single byte overflow
+ (CVE-2007-5135) [Ben Laurie]
+
Changes between 0.9.8d and 0.9.8e [23 Feb 2007]
*) Since AES128 and AES256 (and similarly Camellia128 and
BN_mod_exp_mont_consttime() is the new exponentiation implementation,
and this is automatically used by BN_mod_exp_mont() if the new flag
- BN_FLG_EXP_CONSTTIME is set for the exponent. RSA, DSA, and DH
+ BN_FLG_EXP_CONSTTIME is set for the exponent. RSA, DSA, and DH
will use this BN flag for private exponents unless the flag
RSA_FLAG_NO_EXP_CONSTTIME, DSA_FLAG_NO_EXP_CONSTTIME, or
DH_FLAG_NO_EXP_CONSTTIME, respectively, is set.
projects / openssl.git / blobdiff