| // Copyright 2019 Google LLC |
| // |
| // 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_test |
| |
| import ( |
| "bytes" |
| "context" |
| "os" |
| "path/filepath" |
| "testing" |
| |
| "flag" |
| // context is used to cancel outstanding requests |
| "google.golang.org/api/option" |
| "github.com/google/tink/go/aead" |
| "github.com/google/tink/go/integration/gcpkms" |
| ) |
| |
| const ( |
| keyURI = "gcp-kms://projects/tink-test-infrastructure/locations/global/keyRings/unit-and-integration-testing/cryptoKeys/aead-key" |
| ) |
| |
| var ( |
| credFile = "testdata/gcp/credential.json" |
| ) |
| |
| func init() { |
| certPath := filepath.Join(os.Getenv("TEST_SRCDIR"), "tink_base/roots.pem") |
| flag.Set("cacerts", certPath) |
| os.Setenv("SSL_CERT_FILE", certPath) |
| } |
| |
| func TestGetAeadWithEnvelopeAead(t *testing.T) { |
| srcDir, ok := os.LookupEnv("TEST_SRCDIR") |
| if !ok { |
| t.Skip("TEST_SRCDIR not set") |
| } |
| workspaceDir, ok := os.LookupEnv("TEST_WORKSPACE") |
| if !ok { |
| t.Skip("TEST_WORKSPACE not set") |
| } |
| ctx := context.Background() |
| gcpClient, err := gcpkms.NewClientWithOptions( |
| ctx, keyURI, option.WithCredentialsFile(filepath.Join(srcDir, workspaceDir, credFile))) |
| if err != nil { |
| t.Fatalf("gcpkms.NewClientWithOptions() err = %q, want nil", err) |
| } |
| kekAEAD, err := gcpClient.GetAEAD(keyURI) |
| if err != nil { |
| t.Fatalf("gcpClient.GetAEAD(keyURI) err = %q, want nil", err) |
| } |
| |
| dekTemplate := aead.AES128CTRHMACSHA256KeyTemplate() |
| a := aead.NewKMSEnvelopeAEAD2(dekTemplate, kekAEAD) |
| if err != nil { |
| t.Fatalf("a.Encrypt(plaintext, associatedData) err = %q, want nil", err) |
| } |
| plaintext := []byte("message") |
| associatedData := []byte("example KMS envelope AEAD encryption") |
| |
| ciphertext, err := a.Encrypt(plaintext, associatedData) |
| if err != nil { |
| t.Fatalf("a.Encrypt(plaintext, associatedData) err = %q, want nil", err) |
| } |
| gotPlaintext, err := a.Decrypt(ciphertext, associatedData) |
| if err != nil { |
| t.Fatalf("a.Decrypt(ciphertext, associatedData) err = %q, want nil", err) |
| } |
| if !bytes.Equal(gotPlaintext, plaintext) { |
| t.Errorf("a.Decrypt() = %q, want %q", gotPlaintext, plaintext) |
| } |
| |
| _, err = a.Decrypt(ciphertext, []byte("invalid associatedData")) |
| if err == nil { |
| t.Error("a.Decrypt(ciphertext, []byte(\"invalid associatedData\")) err = nil, want error") |
| } |
| } |