Import keystore logic from light-client

cryptostore/encoder_test.go

@@ -0,0 +1,59 @@
+package cryptostore_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"github.com/tendermint/go-keys/cryptostore"
+)
+
+func TestNoopEncoder(t *testing.T) {
+	assert, require := assert.New(t), require.New(t)
+	noop := cryptostore.Noop
+
+	key := cryptostore.GenEd25519.Generate()
+	key2 := cryptostore.GenSecp256k1.Generate()
+
+	b, err := noop.Encrypt(key, "encode")
+	require.Nil(err)
+	assert.NotEmpty(b)
+
+	b2, err := noop.Encrypt(key2, "encode")
+	require.Nil(err)
+	assert.NotEmpty(b2)
+	assert.NotEqual(b, b2)
+
+	// note the decode with a different password works - not secure!
+	pk, err := noop.Decrypt(b, "decode")
+	require.Nil(err)
+	require.NotNil(pk)
+	assert.Equal(key, pk)
+
+	pk2, err := noop.Decrypt(b2, "kggugougp")
+	require.Nil(err)
+	require.NotNil(pk2)
+	assert.Equal(key2, pk2)
+}
+
+func TestSecretBox(t *testing.T) {
+	assert, require := assert.New(t), require.New(t)
+	enc := cryptostore.SecretBox
+
+	key := cryptostore.GenEd25519.Generate()
+	pass := "some-special-secret"
+
+	b, err := enc.Encrypt(key, pass)
+	require.Nil(err)
+	assert.NotEmpty(b)
+
+	// decoding with a different pass is an error
+	pk, err := enc.Decrypt(b, "decode")
+	require.NotNil(err)
+	require.Nil(pk)
+
+	// but decoding with the same passphrase gets us our key
+	pk, err = enc.Decrypt(b, pass)
+	require.Nil(err)
+	assert.Equal(key, pk)
+}