| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| package gcpkms |
| |
| import ( |
| "bytes" |
| "errors" |
| "os" |
| "testing" |
| |
| "flag" |
| // context is used to cancel outstanding requests |
| // TEST_SRCDIR to read the roots.pem |
| "github.com/google/tink/go/aead" |
| "github.com/google/tink/go/keyset" |
| "github.com/google/tink/go/registry" |
| "github.com/google/tink/go/subtle/random" |
| "github.com/google/tink/go/tink" |
| ) |
| |
| const ( |
| keyURI = "gcp-kms://projects/tink-test-infrastructure/locations/global/keyRings/unit-and-integration-testing/cryptoKeys/aead-key" |
| ) |
| |
| var ( |
| // LINT.IfChange |
| credFile = os.Getenv("TEST_SRCDIR") + "/" + os.Getenv("TEST_WORKSPACE") + "/" + "testdata/credential.json" |
| // LINT.ThenChange(//depot/google3/third_party/tink/copybara/go.bara.sky) |
| ) |
| |
| // LINT.IfChange |
| func init() { |
| certPath := os.Getenv("TEST_SRCDIR") + "/" + os.Getenv("TEST_WORKSPACE") + "/" + "roots.pem" |
| flag.Set("cacerts", certPath) |
| os.Setenv("SSL_CERT_FILE", certPath) |
| } |
| |
| // LINT.ThenChange(//depot/google3/third_party/tink/copybara/go.bara.sky) |
| |
| func setupKMS(t *testing.T) { |
| t.Helper() |
| g, err := NewGCPClient(keyURI) |
| if err != nil { |
| t.Errorf("error setting up gcp client: %v", err) |
| } |
| _, err = g.LoadCredentials(credFile) |
| if err != nil { |
| t.Errorf("error loading credentials : %v", err) |
| } |
| registry.RegisterKMSClient(g) |
| } |
| |
| func basicAEADTest(t *testing.T, a tink.AEAD) error { |
| t.Helper() |
| for i := 0; i < 100; i++ { |
| pt := random.GetRandomBytes(20) |
| ad := random.GetRandomBytes(20) |
| ct, err := a.Encrypt(pt, ad) |
| if err != nil { |
| return err |
| } |
| dt, err := a.Decrypt(ct, ad) |
| if err != nil { |
| return err |
| } |
| if !bytes.Equal(dt, pt) { |
| return errors.New("decrypt not inverse of encrypt") |
| } |
| } |
| return nil |
| } |
| func TestBasicAead(t *testing.T) { |
| setupKMS(t) |
| dek := aead.AES128CTRHMACSHA256KeyTemplate() |
| kh, err := keyset.NewHandle(aead.KMSEnvelopeAEADKeyTemplate(keyURI, dek)) |
| if err != nil { |
| t.Errorf("error getting a new keyset handle: %v", err) |
| } |
| a, err := aead.New(kh) |
| if err != nil { |
| t.Errorf("error getting the primitive: %v", err) |
| } |
| if err := basicAEADTest(t, a); err != nil { |
| t.Errorf("error in basic aead tests: %v", err) |
| } |
| } |