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Add CRYPTO logger, remove duplicated pubkey len check

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This commit is contained in:
Gustav Simonsson 2015-04-02 22:09:05 +02:00
parent 607fc788e3
commit 6e91142dc2
2 changed files with 10 additions and 3 deletions
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2
core/vm/address.go
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@ -82,7 +82,7 @@ func ecrecoverFunc(in []byte) []byte {
rsv := append(in[64:128], byte(v.Uint64()))
pubKey := crypto.Ecrecover(in[:32], rsv)
// make sure the public key is a valid one
if pubKey == nil || len(pubKey) != 65 {
if pubKey == nil {
return nil
}

11
crypto/crypto.go
View file

@ -21,11 +21,16 @@ import (
"github.com/ethereum/go-ethereum/crypto/ecies"
"github.com/ethereum/go-ethereum/crypto/secp256k1"
"github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/rlp"
"golang.org/x/crypto/pbkdf2"
"golang.org/x/crypto/ripemd160"
)
var (
cryptologger = logger.NewLogger("CRYPTO")
)
func init() {
// specify the params for the s256 curve
ecies.AddParamsForCurve(S256(), ecies.ECIES_AES128_SHA256)
@ -69,8 +74,10 @@ func Ripemd160(data []byte) []byte {
}
func Ecrecover(hash, sig []byte) []byte {
r, _ := secp256k1.RecoverPubkey(hash, sig)
r, err := secp256k1.RecoverPubkey(hash, sig)
if err != nil {
cryptologger.Errorf("EC RECOVER FAIL: ", err)
}
return r
}