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CRYPTO_get_idptr_callback(), CRYPTO_thread_idptr() for a 'void *' type
thread ID, since the 'unsigned long' type of the existing thread ID
does not always work well.
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PR: 1312
Submitted by: Oliver Tappe <zooey@hirschkaefer.de>
Reviewed by: Ulf Moeller
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Engage run-time switch between bn_mul_mont_fpu and bn_mul_mont_int.
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inspired by VC6 failure report. In addition abstain from taking screen
snapshots when running in NT service context.
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util/libeay.num is important when building shared libraries, like
VMS.
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OPENSSL_stderr stub.
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[meaning that it will detect in which context application is running
and either write message to stderr, post a dialog or log an event].
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symbol, but a macro expanded as (*(OPENSSL_ia32cap_loc())). The latter
is the only one to be exported to application.
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if we explicitly intruct the linker to set entry point, then we become
obliged to initialize run-time library. Instead we can pick name run-time
will call and such name is DllMain. Note that this applies to both
"native" Win32 environment and Cygwin:-)
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http://cvs.openssl.org/chngview?cn=12493. Now all platform should
be operational, while SSE2 code pathes get engaged on ELF platforms
only.
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is to have a placeholder to small routines, which can be written only
in assembler. In IA-32 case this includes processor capability
identification and access to Time-Stamp Counter. As discussed earlier
OPENSSL_ia32cap is introduced to control recently added SSE2 code
pathes (see docs/crypto/OPENSSL_ia32cap.pod). For the moment the
code is operational on ELF platforms only. I haven't checked it yet,
but I have all reasons to believe that Windows build should fail to
link too. I'll be looking into it shortly...
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tree. This further reduces header interdependencies, and makes some
associated cleanups.
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let's wrap it with a lock.
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Submitted by: Nils Larsch
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callbacks) before attempting to lock.
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pushed item. The index is the number of items - 1. And if a NULL item was
found, actually use it.
Finally, provide a little bit of safety in CRYPTO_lock() by asserting the a
requested dynamic lock really must exist, instead of just being silent about it
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PR: 235
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create new lock CRYPTO_LOCK_BN to avoid race condition
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PR: 262
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Additional changes:
- use EC_GROUP_get_degree() in apps/req.c
- add ECDSA and ECDH to apps/speed.c
- adds support for EC curves over binary fields to ECDSA
- new function EC_KEY_up_ref() in crypto/ec/ec_key.c
- reorganize crypto/ecdsa/ecdsatest.c
- add engine support for ECDH
- fix a few bugs in ECDSA engine support
Submitted by: Douglas Stebila <douglas.stebila@sun.com>
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Changes marked "(CHATS)" were sponsored by the Defense Advanced
Research Projects Agency (DARPA) and Air Force Research Laboratory,
Air Force Materiel Command, USAF, under agreement number
F30602-01-2-0537.
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(in main branch, hn_ncipher.c is already correct)
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In err.c, flags int_error_hash_set and int_thread_hash_set
appear superfluous since we can just as well initialize
int_error_hash and int_thread_hash to NULL.
Change some of the err.c formatting to conform with the rest of
OpenSSL.
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Currently, this change merely addresses where ex_data indexes are stored
and managed, and thus fixes the thread-safety issues that existed at that
level. "Class" code (eg. RSA, DSA, etc) no longer store their own STACKS
and per-class index counters - all such data is stored inside ex_data.c. So
rather than passing both STACK+counter to index-management ex_data
functions, a 'class_index' is instead passed to indicate the class (eg.
CRYPTO_EX_INDEX_RSA). New classes can be dynamically registered on-the-fly
and this is also thread-safe inside ex_data.c (though whether the caller
manages the return value in a thread-safe way is not addressed).
This does not change the "get/set" functions on individual "ex_data"
structures, and so thread-safety at that level isn't (yet) assured.
Likewise, the method of getting and storing per-class indexes has not
changed, so locking may still be required at the "caller" end but is
nonetheless thread-safe inside "ex_data"'s internal implementation.
Typically this occurs when code implements a new method of some kind and
stores its own per-class index in a global variable without locking the
setting and usage of that variable. If the code in question is likely to be
used in multiple threads, locking the setting and use of that index is
still up to the code in question. Possible fixes to this are being
sketched, but definitely require more major changes to the API itself than
this change undertakes.
The underlying implementation in ex_data.c has also been modularised so
that alternative "ex_data" implementations (that control all access to
state) can be plugged in. Eg. a loaded module can have its implementation
set to that of the application loaded it - the result being that
thread-safety and consistency of "ex_data" classes and indexes can be
maintained in the same place rather than the loaded module using its own
copy of ex_data support code and state.
Due to the centralisation of "state" with this change, cleanup of all
"ex_data" state can now be performed properly. Previously all allocation of
ex_data state was guaranteed to leak - and MemCheck_off() had been used to
avoid it flagging up the memory debugging. A new function has been added to
perfrom all this cleanup, CRYPTO_cleanup_all_ex_data(). The "openssl"
command(s) have been changed to use this cleanup, as have the relevant test
programs. External application code may want to do so too - failure to
cleanup will not induce more memory leaking than was the case before, but
the memory debugging is not tricked into hiding it any more so it may
"appear" where it previously did not.
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links.
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like des_read_password and friends (backward compatibility functions
using this new API are provided). The purpose is to remove prompting
functions from the DES code section as well as provide for prompting
through dialog boxes in a window system and the like.
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missed any.
This compiles and runs on Linux, and external applications have no
problems with it. The definite test will be to build this on VMS.
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At the same time, add VMS support for Rijndael.
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casts in the same way as STACK_OF.
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Also, make sure empty slots of the dynamic lock stack are used.
Actually, I'm not really sure this is the right thing to do, and may
remove it, with an endlessly growing stack as result...
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insecure, so a static lock is added to isolate the sensitive parts.
Also, to avoid one thread freeing a lock that is used by another, a
reference counter is added.
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