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2016-10-24Flesh out key object access control.Rob Austein
This is more complicated than I'd have liked, because the PKCS #11 semantics are (much) more complicated than just "are you logged in?" New code passes basic testing with libhal.py and the PKCS #11 unit tests, but there are still unexplored corner cases to be checked. Private token objects remain simple. Code which does not need PKCS HAL_KEY_FLAG_TOKEN and avoid HAL_KEY_FLAG_PUBLIC.
2016-10-24Make previous_uuid an input-only argument to hal_rpc_pkey_match().Rob Austein
In retrospect it's obvious that this never needed to be an input/output argument, as its value will always be the same as the last value in the returned array. Doh. So simplify the RPC and call sequence slightly by removing the unnecessary output value.
2016-10-14Keystore attribute code. Not really tested.Rob Austein
Passes PKCS #11 "make test" but nothing uses the new attribute code yet. Refactored some of the flash block update code. Attribute code is annoyingly verbose, might be possible to refactor some of that.
2016-10-09Per-session objects in ks_volatile; more untested ks_attribute code.Rob Austein
Mostly this is another checkpoint (still passes PKCS #11 "make test"). ks_volatile.c now contains support for per-session object visibility; this may need more work to support things like a CLI view of all objects regardless of session. Adding this required minor changes to the keystore and pkey APIs, mostly because sessions are per-client. ks_volatile.c also contains an untested first cut at attribute support. Attribute support in ks_flash.c still under construction.
2016-10-07Fix session handle arguments in RPC calls.Rob Austein
RPC calls which pass a pkey handle don't need to pass a session handle, because the session handle is already in the HSM's pkey slot object; pkey RPC calls which don't pass a pkey argument do need to pass a session handle. This change percolates down to the keystore driver, because only the keystore driver knows whether that particular keystore cares about session handles.
2016-10-07Checkpoint along the way to adding keystore attribute support.Rob Austein
This is mostly to archive a commit where PKCS #11 "make test" still works after converting the ks_volatile code to use SDRAM allocated at startup instead of (large) static variables. The attribute code itself is incomplete at this point.
2016-09-30Multi-block object support in keystore.Rob Austein
The main reason for supporting multi-block objects is to allow the PKCS #11 code to attach more attributes than will fit comfortably in a single flash block. This may turn out to be unnecessary once we've fleshed out the attribute storage and retrieval code; if so, we can simplify the code, but this way the keystore won't impose arbitrary (and somewhat inscrutable) size limits on PKCS #11 attributes for large keys. This snapshot passes light testing (PKCS #11 "make test" runs), but the tombstone recovery code in ks_init() is a bit involved, and needs more testing with simulated failures (probably induced under GDB).
2016-09-16Debug new ks_flash code.Rob Austein
2016-09-16Revised ks_flash. Compiles, not yet tested.Rob Austein
2016-09-09Simplify hal_rpc_pkey_find() by removing `type` argument.Rob Austein
Now that key names are UUIDs generated by the HSM, there's no real need to specify type key type when looking up a key, and removing the `type` argument allows a few simplifications of both the internal keystore API and of client code calling the public RPC API.
2016-09-01Revised keystore API, part one. Not usable yet.Rob Austein
Changes to implement a revised keystore API. This code probably won't even compile properly yet, and almost certainly will not run, but most of the expected changes are complete at this point. Main points: * Key names are now UUIDs, and are generated by the HSM, not the client. * Keystore API no longer assumes that key database is resident in memory (original API was written on the assumption that the keystore flash would be mapped into the HSM CPU's address space, but apparently the board and flash drivers don't really support that). A few other changes have probably crept in, but the bulk of this changeset is just following through implications of the above, some of which percolate all the way back to the public RPC API.
2016-08-10Reset table of cores, e.g. after resetting FPGA from CLI.Paul Selkirk
2016-08-10Merge branch 'resource_management'Paul Selkirk
2016-07-07Check and propagate XDR error codes, to detect bad request packets.Paul Selkirk
2016-07-05Attempt to add resource management, for multiple cores of the same type.Paul Selkirk
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.
2016-06-24Use hal_error_t as suggested by Rob.Fredrik Thulin
2016-06-14Add support for ModExpA7Paul Selkirk
2016-05-31SHA-224 driver and soft core.Rob Austein
2016-05-25Start cleaning up PIN code.Rob Austein
2016-05-24Add mkmifPaul Selkirk
2016-05-15Add hal_rpc_pkey_rename(); allow null string as (temporary) key name.Rob Austein
Temporary nature of null string as key name is not enforced by the keystore code, it's just a convention to allow callers to generate a keypair, obtain the public key, hash that to a Subject Key Identifier (SKI), and rename the key using the SKI as the new name. This is a compromise to let us use SKI-based key names in PKCS #11 while keeping the keystore code simple.
2016-05-14Add mixed-mode key support, for PKCS #11 "session" (ie, not "token") keys.Rob Austein
2016-05-12Add hal_digest_algorithm_none; tweak handling of none handles.Rob Austein
2016-04-24Break the RPC dispatch out of hal_rpc_server_main, for the benefit of the ↵Paul Selkirk
threaded server.
2016-03-29Add rpc error codes.Paul Selkirk
2016-03-16Added serial RPC transport and lots more...Paul Selkirk
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.
2016-02-25RPC over loopback socket, just to work out the mechanics for serialization ↵Paul Selkirk
and dispatch.
2015-12-24hal_rpc_logout_all(), hal_rpc_is_logged_in().Rob Austein
2015-12-24More work on PIN/login/logout code. Access control still missing,Rob Austein
committing now so Paul has a chance to look at the current RPC API.
2015-12-23RPC interface to TRNG and (incomplete) PIN code.Rob Austein
2015-12-22Add ASN.1 support for public keys (X.509 SubjectPublicKeyInfo format).Rob Austein
2015-12-21Fix names of private key DER functions.Rob Austein
2015-12-20Drop support for the ASN.1-based ECDSA signature format in favor ofRob Austein
the simpler format which PKCS #11 uses, since we have to support the latter in any case and it's not worth the complexity of supporting both.
2015-12-20RPC server stuff mostly written. Compiles, not yet tested. RPCRob Austein
public key extraction functions on hold pending ASN.1 cleanup.
2015-12-13Add rpc_hash.c. Convert dynamic allocator in hash.c to use privateRob Austein
pool of pre-configured state blocks, suitable for an embedded system.
2015-11-13Merge branch 'config_core_selector'Paul Selkirk
2015-10-19catch up to changes in core version numbersPaul Selkirk
2015-10-04Whack libhal API to use current configure_core_selector mechanism.Rob Austein
Compiles, not yet tested.
2015-10-04off_t => hal_addr_t.Rob Austein
2015-09-08Merge branch 'master' into ecdsaRob Austein
This required a bit of manual cleanup in hal.h, hash.c, and rsa.c. No intended changes to functionality provided by parent comments, just a few tweaks to track API changes beyond git's ken.
2015-09-08Merge branch 'state_access'Rob Austein
2015-09-06Add ECPoint I/O functions. ASN.1 cleanup.Rob Austein
2015-09-02Still more const-ification.Rob Austein
2015-09-02Add PKCS11 ECDSA signature format.Rob Austein
2015-09-02Clean up excessively complicated handling of opaque types in hash andRob Austein
RSA code; use simpler model (pointer to incomplete structure) used in ECDSA code. Refactor RSA code to use shared ASN.1 routines.
2015-08-22Add hal_ecdsa_verify(). Move hashing out of ECDSA routines. Clean upRob Austein
a few bits that didn't pass self-review.
2015-08-21Snapshot along the way to ECDSA. Code mostly written, except forRob Austein
ecdsa_verify(). Untested. Point addition and doubling algorithms are the ones from libtomcrypt, main point of this commit is to save those before replacing them with faster algorithms from hyperelliptic.org.
2015-07-18Add support for dynamic allocation of hash and HMAC state, for casesRob Austein
where it's unavoidable.
2015-07-17First cut at libhal support for hash cores with ability to save andRob Austein
restore internal state. Compiles, not yet tested.
2015-07-14Changes to support Pavel's ModExpS6 core.Rob Austein