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These were already implicit due to requiring the relevant ISA
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Sonar
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Done by a perl script which converted all classes to final, followed
by selective reversion where it caused compilation failures.
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ISO C++ reserves names with double underscores in them
Closes #512
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Defined in build.h, all equal to BOTAN_DLL so ties into existing
system for exporting symbols.
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This caused Doxygen to dump the copyright notices for those files into
the Botan namespace description, which is not helpful.
[ci skip]
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Also emit `#pragma GCC target` in the ISA specific amalgamation files.
This allows compiling without any special compiler flags, at least
with GCC 6.2 and Clang 3.8. The ISA annotations are ignored in MSVC,
which just emits whatever instruction the intrinsic requires.
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Change reseed interval logic to count calls to `randomize` rather than
bytes, to match SP 800-90A
Changes RNG reseeding API: there is no implicit reference to the
global entropy sources within the RNGs anymore. The entropy sources
must be supplied with the API call. Adds support for reseding directly
from another RNG (such as a system or hardware RNG).
Stateful_RNG keeps optional references to both an RNG and a set of
entropy sources. During a reseed, both sources are used if set.
These can be provided to HMAC_DRBG constructor.
For HMAC_DRBG, SP800-90A requires we output no more than 2**16 bytes
per DRBG request. We treat requests longer than that as if the caller
had instead made several sequential maximum-length requests. This
means it is possible for one or more reseeds to trigger even in the
course of generating a single (long) output (generate a 256-bit key
and use ChaCha or HKDF if this is a problem).
Adds RNG::randomize_with_ts_input which takes timestamps and uses them
as the additional_data DRBG field. Stateful_RNG overrides this to also
include the process ID and the reseed counter. AutoSeeded_RNG's
`randomize` uses this.
Officially deprecates RNG::make_rng and the Serialized_RNG construtor
which creates an AutoSeeded_RNG. With these removed, it would be
possible to perform a build with no AutoSeeded_RNG/HMAC_DRBG at all
(eg, for applications which only use the system RNG).
Tests courtesy @cordney in GH PRs #598 and #600
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configure.py expects all header guards to match a specific form,
for finding them when generating the amalgamation file.
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For those that are willing to trust uninspectible hardware. :)
Changes RDRAND entropy source to call RDRAND_RNG
Add --rdrand flag to rng cmdlet
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