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Flagged by Sonar and quite reasonable
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ISO C++ reserves names with double underscores in them
Closes #512
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Prevents redirection using --output and --error-output
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[ci skip]
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This is needed for LLVM which doesn't have any usable entropy
sources. Also useful for determinsitic private key creation, etc.
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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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Cast std::streamsize to size_t since MSVC is worried gcount() might
return a negative number.
The entropy callbacks took the entropy estimate as a size_t instead of
a double, which causes some verbose warnings due to the conversion.
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explicit.
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Avoids various static init and destruction hassles.
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for when a command wants an RNG but doesn't much care what kind.
This adds a place where a future --rng-type= option can be consulted
to eg use the system RNG or a user seeded DRBG.
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Some trivial compiler and PVS-Studio warning fixes
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If no files are given on the command line to `hash`, default to stdin
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Understand using '-' on the command line to mean stdin
Fix last few unit tests that wanted to write to the filesystem; removes
outdata directory.
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See GH #340 and 6b9a3a5 for background
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The command line tools' origin as a collection of examples and test
programs glued together led to some unfortunate problems; lots of
hardcoded values, missing parameters, and obsolete crypto.
Adds a small library for writing command line programs of the sort
needed here (cli.h), which cuts the length of many of the commands in
half and makes commands more pleasant to write and extend.
Generalizes a lot of the commands also, eg previously only
signing/verification with DSA/SHA-1 was included!
Removes the fuzzer entry point since that's fairly useless outside of
an instrumented build.
Removes the in-library API for benchmarking.
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