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crypto: fix small nit in fallback signature ops and add test

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This commit is contained in:
Felix Lange 2016-06-13 12:59:29 +02:00
parent 9b64913bba
commit f5eb375e8a
2 changed files with 12 additions and 2 deletions
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4
crypto/signature_nocgo.go
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@ -30,8 +30,8 @@ func Ecrecover(hash, sig []byte) ([]byte, error) {
if err != nil {
return nil, err
}
bytes := (*btcec.PublicKey)(pub).SerializeUncompressed()
return bytes, err
bytes := (*btcec.PublicKey)(pub).SerializeUncompressed(),
return bytes, nil
}
func SigToPub(hash, sig []byte) (*ecdsa.PublicKey, error) {

10
crypto/signature_test.go
View file

@ -34,3 +34,13 @@ func TestRecoverSanity(t *testing.T) {
t.Errorf("pubkey mismatch: want: %x have: %x", pubkey1, pubkey2)
}
}
// https://github.com/btcsuite/btcd/issues/709
func TestRecoverSanity2(t *testing.T) {
msg, _ := hex.DecodeString("00c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c")
sig, _ := hex.DecodeString("00b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f00b940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c454901")
_, err := Ecrecover(msg, sig)
if err == nil {
t.Fatalf("recover should've returned an error")
}
}