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330 Commits 345 Branches 206 Tags 199 MiB
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Commit Graph

43 Commits

Author SHA1 Message Date
Alex Beregszaszi
1b8e3d557f Implement ecdsa_get_ethereum_pubkeyhash() 2016-05-23 19:10:06 +01:00
Alex Beregszaszi
7d68a6ee17 Add ecdsa_uncompress_pubkey() 
Code based on @Arachnid's PR, but has more strict checks
 2016-05-17 19:38:14 +01:00
Jochen Hoenicke
409783ba64
New function ecdsa_verify_recover 
Moved the code from Trezor firmware to here for recovering the public key
when verifying a bitcoin message.  Fixed the signing and verification for
the unlikely case the r value overflows.
 2016-04-25 18:02:24 +02:00
Jochen Hoenicke
698f40f385
BIP-32 without gaps, prepare non-ecdsa curves 
* Split ecdsa_curve into curve_info and ecdsa_curve to support bip32 on
  curves that don't have a ecdsa_curve.
* Don't fail in key derivation but retry with a new hash.
* Adapted test case accordingly
 2016-04-22 17:43:15 +02:00
Jochen Hoenicke
0bc1b70c4a Use different seed modifier for different curves 2016-04-20 10:38:11 +02:00
Jochen Hoenicke
f2081d88d8 New jacobian_add that handles doubling. 
Fix bug where jacobian_add is called with two identical points.
 2015-08-05 21:23:04 +02:00
Pavol Rusnak
2e09a9ff35 add b to ecdsa_curve structure 2015-08-05 18:06:10 +02:00
Pavol Rusnak
d659fd49a5 return back normalization of signatures 2015-08-03 21:47:06 +02:00
Roman Zeyde
7c58fc11a4 Add support for NIST256P1 elliptic curve 
This enables SSH ECDSA public key authentication.
 2015-06-26 10:33:14 +03:00
Dustin Laurence
8ce1f34233 Add prototypes for private functions 2015-01-23 12:12:40 -08:00
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
df3606dd5e introduce ecdsa_get_address_raw 2014-11-16 21:17:39 +01:00
Pavol Rusnak
b9d5896174 make pubkey validation optional, extract options to separate header 2014-07-07 20:14:36 +02:00
Ondrej Mikle
03fee34550 Validating of public key curve point. 2014-07-07 15:11:40 +02:00
Ondrej Mikle
d827b2c862 Account for case when point.y == 0 when doubling. 2014-07-04 17:40:35 +02:00
Ondrej Mikle
da6a09880d Handling of special cases in EC arithmetic. 2014-07-04 15:30:15 +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
b5ceb14f8d extract ecdsa_get_pubkeyhash 2014-02-21 23:33:14 +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
ed7e2e5058 implement public child key derivation 2014-01-14 14:35:13 +01:00
Pavol Rusnak
9da3b35962 extract xprv_fill_public method 2013-11-08 16:02:48 +01:00
Pavol Rusnak
0fc4ad0976 move declaration 2013-10-08 21:07:53 +02:00
Pavol Rusnak
f87e706407 add define for RFC6979 2013-10-03 18:19:30 +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
896905c5c8 remove der encoding, introduce 33/65 bytes pubkeys, 64 bytes signature 2013-09-23 21:13:44 +02:00
Pavol Rusnak
2df62d4877 use unit tests via Check instead of small test programs 2013-09-21 17:41:02 +02:00
Pavol Rusnak
92f070498f add function for computing addresses 2013-09-20 17:13:24 +02:00
Pavol Rusnak
afc9bcfe30 implement bip32 - https://en.bitcoin.it/wiki/BIP_0032 2013-09-12 21:20:03 +02:00
Pavol Rusnak
07d1c22730 refactor code -> bignum.c/h 2013-09-12 03:18:35 +02:00
Pavol Rusnak
603acbd1be implement RFC 6979 2013-09-11 19:02:22 +02:00
Pavol Rusnak
3f737896a4 ecdsa_get_public_key and ecdsa_verify methods 2013-09-09 17:52:25 +02:00
mog
c87691205b added support for getting public key from a private key. 2013-09-05 03:57:26 -05:00
Pavol Rusnak
ee09a6a7b2 param names cleanup 2013-08-19 12:40:58 +02:00
Pavol Rusnak
ccbc219b29 import sources 2013-08-17 14:20:15 +02:00