gaspersic/go-ethereum
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Cleanup.

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This commit is contained in:
obscuren
2015-03-29 15:02:49 +02:00
parent af153e7884
commit 61c5edcb57
2 changed files with 20 additions and 19 deletions
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16
crypto/crypto.go
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@ -68,13 +68,8 @@ func Ripemd160(data []byte) []byte {
return ripemd.Sum(nil)
}
func Ecrecover(data []byte) []byte {
var in = struct {
hash []byte
sig []byte
}{data[:32], data[32:]}
r, _ := secp256k1.RecoverPubkey(in.hash, in.sig)
func Ecrecover(hash, sig []byte) []byte {
r, _ := secp256k1.RecoverPubkey(hash, sig)
return r
}
@ -151,9 +146,12 @@ func GenerateKey() (*ecdsa.PrivateKey, error) {
}
func SigToPub(hash, sig []byte) *ecdsa.PublicKey {
s := Ecrecover(append(hash, sig...))
x, y := elliptic.Unmarshal(S256(), s)
s := Ecrecover(hash, sig)
if s == nil || len(s) != 65 {
return nil
}
x, y := elliptic.Unmarshal(S256(), s)
return &ecdsa.PublicKey{S256(), x, y}
}