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|
package namespace
import (
"bytes"
"testing"
"crypto/ed25519"
"github.com/system-transparency/stfe/namespace/testdata"
)
func TestNewNamespaceEd25519V1(t *testing.T) {
for _, table := range []struct {
description string
vk []byte
wantErr bool
}{
{
description: "invalid",
vk: append(testdata.Ed25519Vk, 0x00),
wantErr: true,
},
{
description: "valid",
vk: testdata.Ed25519Vk,
},
} {
n, err := NewNamespaceEd25519V1(table.vk)
if got, want := err != nil, table.wantErr; got != want {
t.Errorf("got error %v but wanted %v in test %q: %v", got, want, table.description, err)
}
if err != nil {
continue
}
if got, want := n.Format, NamespaceFormatEd25519V1; got != want {
t.Errorf("got namespace format %v but wanted %v in test %q", got, want, table.description)
continue
}
if got, want := n.NamespaceEd25519V1.Namespace, table.vk; !bytes.Equal(got, want) {
t.Errorf("got namespace %X but wanted %X in test %q", got, want, table.description)
}
}
}
func TestVerify(t *testing.T) {
testMsg := []byte("msg")
for _, table := range []struct {
description string
namespace *Namespace
msg, sig []byte
wantErr bool
}{
{
description: "invalid: unsupported namespace",
namespace: &Namespace{Format: NamespaceFormatReserved},
msg: testMsg,
sig: []byte("sig"),
wantErr: true,
},
{
description: "invalid: bad ed25519 verification key",
namespace: mustNewNamespaceEd25519V1(t, testdata.Ed25519Sk[:32]),
msg: testMsg,
sig: ed25519.Sign(ed25519.PrivateKey(testdata.Ed25519Sk), testMsg),
wantErr: true,
},
{
description: "invalid: ed25519 signature is not over message",
namespace: mustNewNamespaceEd25519V1(t, testdata.Ed25519Vk),
msg: append(testMsg, 0x00),
sig: ed25519.Sign(ed25519.PrivateKey(testdata.Ed25519Sk), testMsg),
wantErr: true,
},
{
description: "valid: ed25519",
namespace: mustNewNamespaceEd25519V1(t, testdata.Ed25519Vk),
msg: testMsg,
sig: ed25519.Sign(ed25519.PrivateKey(testdata.Ed25519Sk), testMsg),
},
} {
err := table.namespace.Verify(table.msg, table.sig)
if got, want := err != nil, table.wantErr; got != want {
t.Errorf("got error=%v but wanted %v in test %q: %v", got, want, table.description, err)
}
}
}
func TestMarshal(t *testing.T) {
for _, table := range []struct {
description string
namespace *Namespace
wantErr bool
wantBytes []byte
}{
{
description: "invalid ed25519: namespace size too small",
namespace: &Namespace{
Format: NamespaceFormatEd25519V1,
NamespaceEd25519V1: &NamespaceEd25519V1{
Namespace: testdata.Ed25519Vk[:len(testdata.Ed25519Vk)-1],
},
},
wantErr: true,
},
{
description: "invalid ed25519: namespace size too large",
namespace: &Namespace{
Format: NamespaceFormatEd25519V1,
NamespaceEd25519V1: &NamespaceEd25519V1{
Namespace: append(testdata.Ed25519Vk, 0x00),
},
},
wantErr: true,
},
{
description: "valid: ed25519",
namespace: mustNewNamespaceEd25519V1(t, testdata.Ed25519Vk),
// TODO: wantBytes
},
} {
_, err := table.namespace.Marshal()
if got, want := err != nil, table.wantErr; got != want {
t.Errorf("got error %v but wanted %v in test %q: %v", got, want, table.description, err)
}
if err != nil {
continue
}
// TODO: add check that we got the bytes we wanted also
}
}
func TestUnmarshal(t *testing.T) {
// TODO
}
func TestNewNamespacePool(t *testing.T) {
ns1, _ := NewNamespaceEd25519V1(testdata.Ed25519Vk)
ns2, _ := NewNamespaceEd25519V1(make([]byte, 32))
nsr := &Namespace{Format: NamespaceFormatReserved}
for _, table := range []struct {
description string
namespaces []*Namespace
wantErr bool
}{
{
description: "invalid: duplicate namespace",
namespaces: []*Namespace{ns1, ns1, ns2},
wantErr: true,
},
{
description: "invalid: namespace without key",
namespaces: []*Namespace{ns1, nsr, ns2},
wantErr: true,
},
{
description: "valid: empty",
namespaces: []*Namespace{},
},
{
description: "valid: one namespace",
namespaces: []*Namespace{ns1},
},
{
description: "valid: two namespaces",
namespaces: []*Namespace{ns1, ns2},
},
} {
_, err := NewNamespacePool(table.namespaces)
if got, want := err != nil, table.wantErr; got != want {
t.Errorf("got error %v but wanted %v in test %q: %v", got, want, table.description, err)
}
}
}
func TestFind(t *testing.T) {
ns1 := mustNewNamespaceEd25519V1(t, testdata.Ed25519Vk)
ns2 := mustNewNamespaceEd25519V1(t, make([]byte, 32))
pool, _ := NewNamespacePool(nil)
_, got := pool.Find(ns1)
if want := false; got != want {
t.Errorf("got %v but wanted %v in test %q", got, want, "empty pool")
}
pool, _ = NewNamespacePool([]*Namespace{ns1})
_, got = pool.Find(ns1)
if want := true; got != want {
t.Errorf("got %v but wanted %v in test %q", got, want, "non-empty pool: looking for member")
}
_, got = pool.Find(ns2)
if want := false; got != want {
t.Errorf("got %v but wanted %v in test %q", got, want, "non-empty pool: looking for non-member")
}
}
func TestList(t *testing.T) {
ns1 := mustNewNamespaceEd25519V1(t, testdata.Ed25519Vk)
ns2 := mustNewNamespaceEd25519V1(t, make([]byte, 32))
namespaces := []*Namespace{ns1, ns2}
pool, _ := NewNamespacePool(namespaces)
l1 := pool.List()
if got, want := len(l1), len(namespaces); got != want {
t.Errorf("got len %v but wanted %v", got, want)
}
l1[0] = ns2
l2 := pool.List()
if bytes.Equal(l1[0].NamespaceEd25519V1.Namespace, l2[0].NamespaceEd25519V1.Namespace) {
t.Errorf("returned list is not a copy")
}
}
func mustNewNamespaceEd25519V1(t *testing.T, vk []byte) *Namespace {
namespace, err := NewNamespaceEd25519V1(vk)
if err != nil {
t.Fatalf("must make ed25519 namespace: %v", err)
}
return namespace
}
|
