3 Commits

Author	SHA1	Message	Date
Ethan Buchman	1ecf814838	Fixes tendermint/tendermint#3439 ... * make sure we create valid private keys: - genPrivKey samples and rejects invalid fieldelems (like libsecp256k1) - GenPrivKeySecp256k1 uses `(sha(secret) mod (n − 1)) + 1` - fix typo, rename test file: s/secpk256k1/secp256k1/ * Update crypto/secp256k1/secp256k1.go	2019-04-01 19:45:57 -04:00
Ethan Buchman	ad4bd92fec	secp256k1: change build tags (#3277)	2019-02-07 19:57:30 -05:00
Ismail Khoffi	6485e68beb	Use ethereum's secp256k1 lib (#3234) ... * switch from fork (tendermint/btcd) to orig package (btcsuite/btcd); also - remove obsolete check in test `size != -1` is always true - WIP as the serialization still needs to be wrapped * WIP: wrap signature & privkey, pubkey needs to be wrapped as well * wrap pubkey too * use "github.com/ethereum/go-ethereum/crypto/secp256k1" if cgo is available, else use "github.com/btcsuite/btcd/btcec" and take care of lower-S when verifying Annoyingly, had to disable pruning when importing github.com/ethereum/go-ethereum/ :-/ * update comment * update comment * emulate signature_nocgo.go for additional benchmarks: 592bf6a59c/crypto/signature_nocgo.go (L60-L76) * use our format (r || s) in lower-s form when in the non-cgo case * remove comment about using the C library directly * vendor github.com/btcsuite/btcd too * Add test for the !cgo case * update changelog pending Closes #3162 #3163 Refs #1958, #2091, tendermint/btcd#1	2019-02-04 12:24:54 +04:00