prysm-pulse/crypto/bls/blst/secret_key_test.go
Raul Jordan a9a4bb9163
Move Shared/Testutil into Testing (#9659)
* move testutil

* util pkg

* build

* gaz

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-09-23 18:53:46 +00:00

100 lines
2.9 KiB
Go

// +build linux,amd64 linux,arm64 darwin,amd64 darwin,arm64 windows,amd64
// +build !blst_disabled
package blst_test
import (
"bytes"
"crypto/rand"
"errors"
"testing"
"github.com/prysmaticlabs/prysm/crypto/bls/blst"
"github.com/prysmaticlabs/prysm/crypto/bls/common"
"github.com/prysmaticlabs/prysm/encoding/bytesutil"
"github.com/prysmaticlabs/prysm/testing/assert"
"github.com/prysmaticlabs/prysm/testing/require"
)
func TestMarshalUnmarshal(t *testing.T) {
priv, err := blst.RandKey()
require.NoError(t, err)
b := priv.Marshal()
b32 := bytesutil.ToBytes32(b)
pk, err := blst.SecretKeyFromBytes(b32[:])
require.NoError(t, err)
pk2, err := blst.SecretKeyFromBytes(b32[:])
require.NoError(t, err)
assert.DeepEqual(t, pk.Marshal(), pk2.Marshal(), "Keys not equal")
}
func TestSecretKeyFromBytes(t *testing.T) {
tests := []struct {
name string
input []byte
err error
}{
{
name: "Nil",
err: errors.New("secret key must be 32 bytes"),
},
{
name: "Empty",
input: []byte{},
err: errors.New("secret key must be 32 bytes"),
},
{
name: "Short",
input: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
err: errors.New("secret key must be 32 bytes"),
},
{
name: "Long",
input: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
err: errors.New("secret key must be 32 bytes"),
},
{
name: "Bad",
input: []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
err: common.ErrSecretUnmarshal,
},
{
name: "Good",
input: []byte{0x25, 0x29, 0x5f, 0x0d, 0x1d, 0x59, 0x2a, 0x90, 0xb3, 0x33, 0xe2, 0x6e, 0x85, 0x14, 0x97, 0x08, 0x20, 0x8e, 0x9f, 0x8e, 0x8b, 0xc1, 0x8f, 0x6c, 0x77, 0xbd, 0x62, 0xf8, 0xad, 0x7a, 0x68, 0x66},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
res, err := blst.SecretKeyFromBytes(test.input)
if test.err != nil {
assert.NotEqual(t, nil, err, "No error returned")
assert.ErrorContains(t, test.err.Error(), err, "Unexpected error returned")
} else {
assert.NoError(t, err)
assert.DeepEqual(t, 0, bytes.Compare(res.Marshal(), test.input))
}
})
}
}
func TestSerialize(t *testing.T) {
rk, err := blst.RandKey()
require.NoError(t, err)
b := rk.Marshal()
_, err = blst.SecretKeyFromBytes(b)
assert.NoError(t, err)
}
func TestZeroKey(t *testing.T) {
// Is Zero
zKey := [32]byte{}
assert.Equal(t, true, blst.IsZero(zKey[:]))
// Is Not Zero
_, err := rand.Read(zKey[:])
assert.NoError(t, err)
assert.Equal(t, false, blst.IsZero(zKey[:]))
}