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Various fixes extracted from the abandoned(-for-now?) reuse-cores
branch, principally:
* Change hal_core_alloc*() to support core reuse and to pick the
least-recently-used core of a particular type otherwise;
* Replace assert() and printf() calls with hal_assert() and hal_log(),
respectively. assert() is particularly useless on the HSM, since it
sends its error message into hyperspace then hangs the HSM.
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Aside from not really needing to use every crayon in the box, using a
simpler control structure makes exceptions behave more as one expects.
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Copy ContextManagedUnpacker from latest version of libhal.py so that
this script won't depend on the current development code.
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At the moment this only handles RSA keys, and can only handle one size
of key at a time. More bells and whistles will follow eventually,
now that the basic asynchronous API to our RPC protocol works.
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This branch was sitting for long enough that master had been through a
cleanup pass, so beware of accidental reversions.
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Initial version, very basic, RSA-only. Gussy up later.
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pkey_open() now looks in both keystores rather than requiring the user
to know. The chance of collision with randomly-generated UUID is low
enough that we really ought to be able to present a single namespace.
So now we do.
pkey_match() now takes a couple of extra arguments which allow a
single search to cover both keystores, as well as matching for
specific key flags. The former interface was pretty much useless for
anything involving flags, and required the user to issue a separate
call for each keystore.
User wheel is now exempt from the per-session key lookup constraints,
Whether this is a good idea or not is an interesting question, but the
whole PKCS #11 derived per-session key thing is weird to begin with,
and having keystore listings on the console deliberately ignore
session keys was just too confusing.
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Now that we use PKCS #8 format for private keys, all key formats we
use include ASN.1 AlgorithmIdentifier field describing the key, so
specifying key type and curve as arguments to hal_rpc_pkey_load() is
neither necessary nor particularly useful.
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PKCS #11 supports zero-length attributes (eg, CKA_LABEL) so hack of
using zero length attribute as NIL value won't work, instead we use a
slightly more portable version of the hack PKCS #11 uses (PKCS #11
stuffs -1 into a CK_ULONG, we stuff 0xFFFFFFFF into a uint32_t).
ks_attribute.c code was trying too hard and tripping over its own
socks. Instead of trying to maintain attributes[] in place during
modification, we now perform the minimum necessary change then re-scan
the block. This is (very slightly) slower but more robust, both
because the scan code has better error checking and because it's the
scan code that we want to be sure is happy before committing a change.
Rename hal_rpc_pkey_attribute_t to hal_pkey_attribute_t.
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pkey attribute API is now just set_attributes() and get_attributes().
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hal_rpc_pkey_match() still untested.
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Includes a few cosmetic fixes to address gcc format string warnings
and git trailing whitespace warnings.
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Fixes for various minor issues found while integrating with sw/stm32.
Moving the in-memory keystore (PKCS #11 session objects, etc) from the
client library to the HSM was on the near term to-do list in any case,
doing it now turned out to be the easiest way to solve one of the
build problems.
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Find a suitable core, and mark it busy. Don't forget to release it as soon
as you're done. This has a knock-on effect of un-const'ing core arguments
and struct fields in a lot of places, and it moves some core checks around.
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can find tfm.h again.
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setting.
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Added RPC function to get server version number.
Substantially reworked GNUMakefile with conditionals.
Renamed rpc_*() and xdr_*() to hal_*() for consistency.
Moved hal_io_fmc.c from stm32 repo.
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silliness, with a bit of PKCS #1.5 padding silliness for desert.
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only, requires AES core (for key wrapping).
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some unnecessary data copying.
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and dispatch.
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