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2016-11-01Add hal_rpc_pkey_get_key_curve().Rob Austein
Incidental minor refactoring of hal_rpc_server_dispatch().
2016-10-26Fix pure-remote-mode hal_rpc_pkey_{sign,verify}().Rob Austein
Pure-remote-mode (where even the hashing is done in the HSM) did not work, because XDR passes zero length strings rather than NULL string pointers. Mostly, we use fixed mode, so nobody noticed.
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.
2016-10-09Per-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.
2016-09-09Simplify 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.
2016-09-03Plug pkey handle leak.Rob Austein
New keystore code requires slightly different cleanup to avoid leaking pkey handle table slots. Pricetag for reducing the amount of data duplicated between pkey and keystore layers.
2016-09-01Move in-memory keystore from client to server. Whack with club until compiles.Rob Austein
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.
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.
2016-08-10Mixed-mode pkey sign and verify must construct DigestInfo for PKCS #1.5.Rob Austein
PKCS #11 expects a DigestInfo rather than a raw digest when passing a pre-computed digest for PKCS #1.5 signature or verification, so the rpc_pkey signature and verification calls do too. This requires special case handling of RSA when the user passes a digest handle in mixed mode. Annoying, but PKCS #1.5 is weird enoug that there's no way to avoid some kind of special case handling, this approach has the advantage of not requiring us to parse and reconstruct the ASN.1, and is probably what PKCS #11 has trained software to expect in any case.
2016-05-25Start cleaning up PIN code.Rob Austein
2016-05-16Fix inverted length check.Rob Austein
2016-05-16Round buffer size up to word boundary when verifying RSA signatures.Rob Austein
hsmbully tests strange RSA key sizes (eg, 3416 bits) which don't fall on word boundaries, at which point we have buffer padding and alignment issues when performing RSA signature verification.
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.
2016-05-14Trailing whitespace cleanup.Rob Austein
2016-05-14Clean up pkey mixed mode.Rob Austein
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
2016-03-11First round of debugging based on RPC pkey tests: mostly ASN.1Rob Austein
silliness, with a bit of PKCS #1.5 padding silliness for desert.
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.