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Version 1.11.2, 2013-03-02
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
* A bug in the release script caused the `botan_version.py` included
in :doc:`1.11.1 <1_11_1>` to be invalid, which required a manual
edit to fix (:pr:`226`)
Memory Zeroization Changes
""""""""""""""""""""""""""""""""""""""""
* Previously `clear_mem` was implemented by an inlined call to
`std::memset`. However an optimizing compiler might notice cases
where the memset could be skipped in cases allowed by the standard.
Now `clear_mem` calls `zero_mem` which is compiled separately and
which zeros out the array through a volatile pointer. It is possible
some compiler with some optimization setting (especially with
something like LTO) might still skip the writes. It would be nice if
there was an automated way to test this.
New Parallel Filter
""""""""""""""""""""""""""""""""""""""""
* The new filter :cpp:class:`Threaded_Fork` acts like a normal
:cpp:class:`Fork,` sending its input to a number of different
filters, but each subchain of filters in the fork runs in its own
thread. Contributed by Joel Low.
TLS Enhancements and Bug Fixes
""""""""""""""""""""""""""""""""""""""""
* The default TLS policy formerly preferred AES over RC4, and allowed
3DES by default. Now the default policy is to negotiate only either
AES or RC4, and to prefer RC4.
* New TLS :cpp:class:`Blocking_Client` provides a thread per
connection style API similar to that provided in 1.10
Other API Changes
""""""""""""""""""""""""""""""""""""""""
* The API of `Credentials_Manager::trusted_certificate_authorities`
has changed to return a vector of `Certificate_Store*` instead of
`X509_Certificate`. This allows the list of trusted CAs to be
more easily updated dynamically or loaded lazily.
* The `asn1_int.h` header was split into `asn1_alt_name.h`,
`asn1_attribute.h` and `asn1_time.h`.
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