arnaucube/go-blindsecp256k1
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04b9532b53ac2e70ae624ab369f4c031fbf45f3b
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Author SHA1 Message Date
arnaucube
04b9532b53 Update Bytes method to use Compress 
Update Bytes method to use .Compress() internally. For Point, PublicKey,
Signature.
Keep old uncompressed .Bytes() methods for backwards compatibility.
 2021-11-18 16:45:12 +01:00
arnaucube
0e9f71e07e Migrate to geth/secp256k1, add checks 
Migrate from btcd/btcec to go-ethereum/crypto/secp256k1
Abstract calls on secp256k1.S256()
Change newRand approach, use ecdsa.GenerateKey underneath
Add check of size of mBlinded & k when blind signing
 2021-11-18 10:40:35 +01:00
arnaucube
ccaa631337 Add Signature Compression & Decompression 2021-03-23 17:24:13 +01:00
arnaucube
8b985dba31 Add Point Compression & Decompression methods 2021-03-13 09:35:17 +01:00
arnaucube
8ac13100e7 Add test hash odd bytes for js compatibility 
To ensure compatibility with https://github.com/arnaucube/blindsecp256k1-js/
 2021-02-11 23:29:17 +01:00
arnaucube
ac5d00b892 Add checks to inputs at Blind & BlindSign 2021-02-09 20:51:50 +01:00
arnaucube
876755a714 Update Unblind inputs removing unnecessary m 
- Update Unblind inputs removing unnecessary `m`
- Add mod at Blind & BlindSign
 2021-02-03 23:26:05 +01:00
arnaucube
d09769d510 Signature.S mod N 2021-02-01 19:32:24 +01:00
arnau
40de297340 Merge pull request #1 from p4u/master 
add NewPublicKeyFromECDSA
 2021-02-01 19:08:41 +01:00
p4u
0f621d4ac8 add NewPublicKeyFromECDSA 
In order to easy import an ethereum like ECDSA public key into a
blindsecp256k1 type public key.

Signed-off-by: p4u <pau@dabax.net>
 2021-02-01 17:47:12 +01:00
arnaucube
1846d569ac Add byte parsers for Point, PubK, Signature 2021-01-30 21:50:41 +01:00
arnaucube
6b93980674 Add json Marshalers 2021-01-17 19:53:06 +01:00
arnaucube
becff7b647 Update interface 2021-01-16 20:53:55 +01:00
arnaucube
ec095bba83 Implement https://sci-hub.do/10.1109/ICCKE.2013.6682844 
Previous to this commit there was the implementation of "[An Efficient Blind Signature Scheme Based on the Elliptic Curve Discrete Logarithm Problem](http://www.isecure-journal.com/article_39171_47f9ec605dd3918c2793565ec21fcd7a.pdf)" paper by by Morteza Nikooghadama & Ali Zakerolhosseini.

This commit adds the implementation of "[New Blind Signature Schemes Based on the (Elliptic Curve) Discrete Logarithm Problem](https://sci-hub.do/10.1109/ICCKE.2013.6682844)" paper by Hamid Mala & Nafiseh Nezhadansari.
 2021-01-11 21:08:46 +01:00
arnaucube
c3e4afc552 Add WASM wrappers & compiled 2021-01-10 23:32:24 +01:00
arnaucube
a7ea30d815 secp256k1 WASM compatibility 
Use github.com/btcsuite/btcd/btcec instead of
github.com/ethereum/go-ethereum/crypto/secp256k1 for WASM compilation
compatibility.
 2021-01-10 23:02:52 +01:00
arnaucube
c7b358b28c Add GHA (tests & lint), add descr, update readme 2021-01-10 19:45:03 +01:00
arnaucube
e5f0e122a7 Add README.md 2021-01-10 17:27:22 +01:00
arnaucube
6b175a9393 Add blind signature scheme methods 2021-01-10 16:47:20 +01:00
arnaucube
560c9030c1 Add secp256k1 wrappers 2021-01-10 14:32:45 +01:00
arnaucube
bdead8ba84 init repo add LICENSE 2021-01-10 14:16:55 +01:00