sw/libhal - Cryptech libhal: crypto software, HSM management, RPC

Age	Commit message (Collapse)	Author
2017-03-02	Refactor to add P384 support. Untested.	Rob Austein

2017-01-26	First attempt at using Pavel's ecdsa256 core. Not working yet.	Rob Austein
	Attempts to use Pavel's ecdsa256 base point multiplier instead of software point multiplier when selecting new random points (that is, when generating P-256 keys or P-256 signatures). Resulting points pass the point validation test (point_is_on_curve()) but the resulting signatures are invalid. Don't know why yet. Seems like an odd combination, as one would expect random garbage to fail validation. In any case: this commit is intended to archive progress so far, and perhaps see if somebody else can spot what's wrong. As presently coded, this wouldn't be suitable for production use even if it worked. NB: As I understand it, the ecdsa256 core is not a general purpose point multiplier even just for the P-256 curve. Rather, it is strictly a base point multiplier: it takes a single scalar as input, and returns the X,Y affine coordinates of the curve's base point multiplied by that scalar. This is essentially the eliptic curve portion of the computation involved in picking a random point for key or signature generation, but is not useful for signature validation. See the README.md in Pavel's source repository for further details.
2016-09-20	Clean up the defines around rpc client, software hash cores, etc.	Paul Selkirk

2016-03-29	Client-side rsa and ecdsa need to call remote get_random.	Paul Selkirk

2016-03-12	Merge branch 'master' into rpc	Rob Austein

2016-03-12	Disable ECDSA static-test-vectors hack, fix call to hal_get_random()	Rob Austein
	which was using the old (pre-hal_core_t) calling sequence.
2015-12-22	Add ASN.1 support for public keys (X.509 SubjectPublicKeyInfo format).	Rob Austein

2015-12-21	Fix names of private key DER functions.	Rob Austein

2015-12-20	Consolidating curve names broke the ASN.1 code.	Rob Austein

2015-12-20	Drop support for the ASN.1-based ECDSA signature format in favor of	Rob 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.
2015-12-20	RPC server stuff mostly written. Compiles, not yet tested. RPC	Rob Austein
	public key extraction functions on hold pending ASN.1 cleanup.
2015-12-13	whack copyrights	Paul Selkirk

2015-11-13	Merge branch 'config_core_selector'	Paul Selkirk

2015-10-29	Remove unused includes.	Paul Selkirk

2015-10-04	Whack libhal API to use current configure_core_selector mechanism.	Rob Austein
	Compiles, not yet tested.
2015-10-03	Use initializers for automatic variables of type fp_int because it's a	Rob Austein
	bit more obvious when we've forgotten to do this than when we've forgotten to call fp_init() or memset(). Convert rsa.c to use the one-element-array idiom so we can get stop prefixing every bignum reference with "&".
2015-10-02	Impressive how much trouble one can get into with one uninitialized bignum.	Rob Austein

2015-10-02	Testing shows that signature and verification are both faster with	Rob Austein
	mixed Jacobian-affine addition, so go with that. Minor additional clean-up and comments.
2015-10-02	Revise point addition and point scalar multiplication routines to use	Rob Austein
	mixed Jacobian-affine coordinates, per a suggestion from Pavel. Old code still present under compile time conditional for easy comparison, but will probably go away soon along with a bit of minor cleanup.
2015-09-14	Fencepost error in hal_ecdas_key_from_ecpoint().	Rob Austein

2015-09-11	Avoid gratuitous assertion failure if caller gives us a larger buffer	Rob Austein
	than necessary when writing private key to DER.
2015-09-06	Add ECPoint I/O functions. ASN.1 cleanup.	Rob Austein

2015-09-02	Add PKCS11 ECDSA signature format.	Rob Austein

2015-09-02	Clean up excessively complicated handling of opaque types in hash and	Rob Austein
	RSA code; use simpler model (pointer to incomplete structure) used in ECDSA code. Refactor RSA code to use shared ASN.1 routines.
2015-08-27	Add point validation check to hal_ecdsa_verify(). Update README.md	Rob Austein
	and code comments.
2015-08-26	Signature works better if we read the entire hash.	Rob Austein

2015-08-25	More ASN.1 fixes.	Rob Austein

2015-08-25	Rework RFC 5915 ASN.1.	Rob Austein

2015-08-25	ASN.1 bugfixes.	Rob Austein

2015-08-24	First stumblings towards ECDSA test code.	Rob Austein

2015-08-22	Rework point_scalar_multiply() to avoid a timing leak with small scalars.	Rob Austein

2015-08-22	Add hal_ecdsa_verify(). Move hashing out of ECDSA routines. Clean up	Rob Austein
	a few bits that didn't pass self-review.
2015-08-21	Updated point doubling and addition to use algorithms from the	Rob Austein
	hyperelliptic.org formula database. Compiles, still not tested.
2015-08-21	Snapshot along the way to ECDSA. Code mostly written, except for	Rob 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.