61 Commits

Author	SHA1	Message	Date
Pavol Rusnak	795579cbac	invert pby when normalizing S during signing	2014-12-23 18:13:33 +01:00
Pavol Rusnak	89a7d7797b	replace base58 implementation	2014-12-23 03:11:58 +01:00
Pavol Rusnak	b4cdba8489	export pby from ecdsa_sign functions	2014-12-08 21:08:49 +01:00
Pavol Rusnak	9469a64a0a	use bn_is_zero and bn_is_equal where possible	2014-11-17 17:17:14 +01:00
Pavol Rusnak	df3606dd5e	introduce ecdsa_get_address_raw	2014-11-16 21:17:39 +01:00
Pavol Rusnak	0fe1857513	normalize y^2 in pubkey validation ... fix last commit	2014-07-07 21:11:25 +02:00
Pavol Rusnak	b9d5896174	make pubkey validation optional, extract options to separate header	2014-07-07 20:14:36 +02:00
Ondrej Mikle	b34516bc49	Removed unnessary point copy.	2014-07-07 16:35:53 +02:00
Ondrej Mikle	03fee34550	Validating of public key curve point.	2014-07-07 15:11:40 +02:00
Ondrej Mikle	7fd81a1e0c	Removed superfluous bn_mod, it's done now in point_add and point_double.	2014-07-06 14:50:12 +02:00
Ondrej Mikle	323da2d434	Keep results after point_add() and point_double() inside the finite field. Simplified point_is_negative_of().	2014-07-05 22:07:03 +02:00
Ondrej Mikle	d827b2c862	Account for case when point.y == 0 when doubling.	2014-07-04 17:40:35 +02:00
Ondrej Mikle	6d61cefdb3	Removed test for point equality in ecdsa_verify_digest, point_add() already handles that.	2014-07-04 15:50:29 +02:00
Ondrej Mikle	da6a09880d	Handling of special cases in EC arithmetic.	2014-07-04 15:30:15 +02:00
Pavol Rusnak	82ed3f31db	fix comparison of points	2014-07-04 15:07:02 +02:00
Pavol Rusnak	eec5f7df15	fix bug in unoptimized branch of code	2014-07-03 10:16:19 +02:00
Pavol Rusnak	019d779a94	Revert "Revert "add more precomputation to ecdsa signing"" ... This reverts commit 3747ba4323.	2014-07-03 10:09:45 +02:00
Pavol Rusnak	3747ba4323	Revert "add more precomputation to ecdsa signing" ... This reverts commit 06dd166a82.	2014-07-03 01:18:00 +02:00
Ondrej Mikle	0ad302ea4e	Hashing of secp256k1 pubkey recognizes point at infinity.	2014-07-01 16:16:06 +02:00
Pavol Rusnak	5e9cd15527	use new base58 code for address functions, add function for obtaining wif	2014-05-22 22:29:53 +02:00
Pavol Rusnak	612f5ab050	fix copyright headers	2014-05-22 20:54:58 +02:00
Pavol Rusnak	06dd166a82	add more precomputation to ecdsa signing	2014-05-15 17:11:26 +02:00
Pavol Rusnak	94d4a3733e	fix typos	2014-04-11 15:33:29 +02:00
Pavol Rusnak	b5ceb14f8d	extract ecdsa_get_pubkeyhash	2014-02-21 23:33:14 +01:00
Pavol Rusnak	d0e152a088	replace SHA256/SHA512 prefix with sha256/sha512 (OpenSSL clash)	2014-02-19 21:26:42 +01:00
Pavol Rusnak	50fb43127f	use -Wextra	2014-02-08 19:12:07 +01:00
Pavol Rusnak	d433bcfa10	fix ecdsa_sig_to_der	2014-02-08 15:55:03 +01:00
Pavol Rusnak	6a856479a8	introduce point_multiply	2014-02-05 23:38:37 +01:00
Pavol Rusnak	fc144587e6	introduce ecdsa_verify_digest	2014-02-04 19:12:43 +01:00
Pavol Rusnak	8aaebe761b	introduce uncompress_coords	2014-02-04 18:55:17 +01:00
Pavol Rusnak	81f462a5c5	add ecdsa_sig_to_der	2014-02-02 22:01:43 +01:00
Pavol Rusnak	73489fbd33	split signing into ecdsa_sign_digest and ecdsa_sign/ecdsa_sign_double	2014-02-02 20:36:03 +01:00
Pavol Rusnak	a40a077613	rework ecdsa_address_to_hash160 into ecdsa_address_decode	2014-01-31 15:26:51 +01:00
Pavol Rusnak	2e4ec7fe0a	introduce ecdsa_address_to_hash160	2014-01-30 20:34:05 +01:00
Pavol Rusnak	7dc057c903	add testcases for address generation ... fix bug for version != 0 process uncompressed pubkeys as well	2014-01-27 19:57:44 +01:00
Pavol Rusnak	ed7e2e5058	implement public child key derivation	2014-01-14 14:35:13 +01:00
Pavol Rusnak	8423c7abfd	add check that pub.y != res.y	2014-01-04 17:39:37 +01:00
Pavol Rusnak	9da3b35962	extract xprv_fill_public method	2013-11-08 16:02:48 +01:00
Pavol Rusnak	a439d8674d	small cosmetic changes	2013-10-24 19:44:54 +02:00
Pavol Rusnak	9205c0d952	use canonical signatures (if S > Order/2: S = Order - S)	2013-10-08 14:06:48 +02:00
Pavol Rusnak	f87e706407	add define for RFC6979	2013-10-03 18:19:30 +02:00
Pavol Rusnak	678e5b1af2	use #if instead of #ifdef for conditional macros	2013-10-03 17:32:27 +02:00
Pavol Rusnak	1691d5cc8c	small cleanup	2013-10-01 18:08:33 +02:00
Pavol Rusnak	71ff1c5124	replace infinite loops with loops with counters	2013-09-27 15:55:55 +02:00
Pavol Rusnak	f4f246f3d7	optimize computations	2013-09-27 15:42:52 +02:00
Pavol Rusnak	7ed18947ba	simplify divmod58	2013-09-25 12:39:23 +02:00
Pavol Rusnak	74a5b04b81	verify now supports compressed keys	2013-09-24 18:48:46 +02:00
Pavol Rusnak	896905c5c8	remove der encoding, introduce 33/65 bytes pubkeys, 64 bytes signature	2013-09-23 21:13:44 +02:00
Pavol Rusnak	58a65d9cd7	move speed tests to unit testing suite	2013-09-22 15:05:59 +02:00
Pavol Rusnak	92f070498f	add function for computing addresses	2013-09-20 17:13:24 +02:00