| Commit message (Collapse) | Author | Age | Files | Lines |
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RandomNumberGenerator, and make ANSI_X931_PRNG's implementations just
forward the arguments to the underlying RNG. This allows seeding the RNG
even if no entropy modules are loaded into the library. Also it allows
actually adding user-specified data; to do it otherwise would require
creating the RNG objects yourself and retaining a pointer to the Randpool,
which is pretty bogus.
Move Null_RNG to rng.h
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Randpool, it will query them as needed (or if asked to do so). New function
make_rng() that creates an RNG (X9.31 backed by a Randpool) and seeds it.
Remove the entropy source related code from the Modules/Builtin_Modules
classes.
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They were probably not a good idea. If nothing else, these functions might
throw bad_alloc, and possibly other errors. Something broad like std::exception
might be applicable, but that seems pointlessly broad.
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to rng.h (eventually base.h will be split up entirely and go away)
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If the second argument was NULL, it would default to a new Randpool.
But this introduces an annoying dependency: really it is the caller who
is relying on Randpool. Make this explicit by passing a new Randpool
pointer to the constructor in Library_State.
This will break all callers using ANSI_X931_RNG's constructors with
default arguments. To regain the previous behavior, change:
ANSI_X931_RNG rng;
ANSI_X931_RNG rng("/*cipher name*/");
to
ANSI_X931_RNG rng(/*cipher name, default was AES-256 */, new Randpool);
You are free to pass another PRNG object if you like.
This make require inclusion of <botan/randpool.h>
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on a patch from Joel Low for MSVC, modified and tested with GCC using
-fvisibility=hidden and the visibility attribute.
Getting this working completely requires making the shared object and
static lib builds completely distinct (which is also a win since it
allows avoiding -fPIC usage, etc in the static lib).
Currently too many things are being exported, though it is an improvement
as internal-only code like the bigint_* functions are hidden.
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the actual copyright holders. For rationale, see my post to botan-devel
on April 9, subject 'Changing license to directly reflect contributors'
(http://www.randombit.net/pipermail/botan-devel/2008-April/000527.html)
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updated dates on files that have actually changed this year. This makes
the diff across versions readable again.
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but might as well keep it up to date. And it's easier to do it once with
a 'perl -pi' command than to update each file over time.
Apologies to anyone looking at diffs.
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