tendermint/crypto/secp256k1/secp256k1_cgo_test.go
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

40 lines
986 B
Go

// +build libsecp256k1
package secp256k1
import (
"github.com/magiconair/properties/assert"
"testing"
"github.com/stretchr/testify/require"
)
func TestPrivKeySecp256k1SignVerify(t *testing.T) {
msg := []byte("A.1.2 ECC Key Pair Generation by Testing Candidates")
priv := GenPrivKey()
tests := []struct {
name string
privKey PrivKeySecp256k1
wantSignErr bool
wantVerifyPasses bool
}{
{name: "valid sign-verify round", privKey: priv, wantSignErr: false, wantVerifyPasses: true},
{name: "invalid private key", privKey: [32]byte{}, wantSignErr: true, wantVerifyPasses: false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := tt.privKey.Sign(msg)
if tt.wantSignErr {
require.Error(t, err)
t.Logf("Got error: %s", err)
return
}
require.NoError(t, err)
require.NotNil(t, got)
pub := tt.privKey.PubKey()
assert.Equal(t, tt.wantVerifyPasses, pub.VerifyBytes(msg, got))
})
}
}