Examples with Digest build.bazel.remote.execution.v2.Digest used on opensource projects

Example 1 with Digest

use of build.bazel.remote.execution.v2.Digest in project java-docs-samples by GoogleCloudPlatform.

the class SnippetsIT method testVerifyAsymmetricRsa.

@Test
public void testVerifyAsymmetricRsa() throws IOException, GeneralSecurityException {
    String message = "my message";
    byte[] signature;
    try (KeyManagementServiceClient client = KeyManagementServiceClient.create()) {
        CryptoKeyVersionName versionName = CryptoKeyVersionName.of(PROJECT_ID, LOCATION_ID, KEY_RING_ID, ASYMMETRIC_SIGN_RSA_KEY_ID, "1");
        MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
        byte[] hash = sha256.digest(message.getBytes(StandardCharsets.UTF_8));
        Digest digest = Digest.newBuilder().setSha256(ByteString.copyFrom(hash)).build();
        signature = client.asymmetricSign(versionName, digest).getSignature().toByteArray();
    }
    new VerifyAsymmetricRsa().verifyAsymmetricRsa(PROJECT_ID, LOCATION_ID, KEY_RING_ID, ASYMMETRIC_SIGN_RSA_KEY_ID, "1", message, signature);
    assertThat(stdOut.toString()).contains("Signature");
}

Example 2 with Digest

use of build.bazel.remote.execution.v2.Digest in project java-kms by googleapis.

the class SignAsymmetric method signAsymmetric.

// Get the public key associated with an asymmetric key.
public void signAsymmetric(String projectId, String locationId, String keyRingId, String keyId, String keyVersionId, String message) throws IOException, GeneralSecurityException {
    // safely clean up any remaining background resources.
    try (KeyManagementServiceClient client = KeyManagementServiceClient.create()) {
        // Build the key version name from the project, location, key ring, key,
        // and key version.
        CryptoKeyVersionName keyVersionName = CryptoKeyVersionName.of(projectId, locationId, keyRingId, keyId, keyVersionId);
        // Convert the message into bytes. Cryptographic plaintexts and
        // ciphertexts are always byte arrays.
        byte[] plaintext = message.getBytes(StandardCharsets.UTF_8);
        // Calculate the digest.
        MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
        byte[] hash = sha256.digest(plaintext);
        // Build the digest object.
        Digest digest = Digest.newBuilder().setSha256(ByteString.copyFrom(hash)).build();
        // Sign the digest.
        AsymmetricSignResponse result = client.asymmetricSign(keyVersionName, digest);
        // Get the signature.
        byte[] signature = result.getSignature().toByteArray();
        System.out.printf("Signature %s%n", signature);
    }
}

Example 3 with Digest

use of build.bazel.remote.execution.v2.Digest in project java-kms by googleapis.

the class SnippetsIT method testVerifyAsymmetricEc.

@Test
public void testVerifyAsymmetricEc() throws IOException, GeneralSecurityException {
    String message = "my message";
    byte[] signature;
    try (KeyManagementServiceClient client = KeyManagementServiceClient.create()) {
        CryptoKeyVersionName versionName = CryptoKeyVersionName.of(PROJECT_ID, LOCATION_ID, KEY_RING_ID, ASYMMETRIC_SIGN_EC_KEY_ID, "1");
        MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
        byte[] hash = sha256.digest(message.getBytes(StandardCharsets.UTF_8));
        Digest digest = Digest.newBuilder().setSha256(ByteString.copyFrom(hash)).build();
        signature = client.asymmetricSign(versionName, digest).getSignature().toByteArray();
    }
    new VerifyAsymmetricEc().verifyAsymmetricEc(PROJECT_ID, LOCATION_ID, KEY_RING_ID, ASYMMETRIC_SIGN_EC_KEY_ID, "1", message, signature);
    assertThat(stdOut.toString()).contains("Signature");
}

Example 4 with Digest

use of build.bazel.remote.execution.v2.Digest in project java-kms by googleapis.

the class SnippetsIT method testVerifyAsymmetricRsa.

@Test
public void testVerifyAsymmetricRsa() throws IOException, GeneralSecurityException {
    String message = "my message";
    byte[] signature;
    try (KeyManagementServiceClient client = KeyManagementServiceClient.create()) {
        CryptoKeyVersionName versionName = CryptoKeyVersionName.of(PROJECT_ID, LOCATION_ID, KEY_RING_ID, ASYMMETRIC_SIGN_RSA_KEY_ID, "1");
        MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
        byte[] hash = sha256.digest(message.getBytes(StandardCharsets.UTF_8));
        Digest digest = Digest.newBuilder().setSha256(ByteString.copyFrom(hash)).build();
        signature = client.asymmetricSign(versionName, digest).getSignature().toByteArray();
    }
    new VerifyAsymmetricRsa().verifyAsymmetricRsa(PROJECT_ID, LOCATION_ID, KEY_RING_ID, ASYMMETRIC_SIGN_RSA_KEY_ID, "1", message, signature);
    assertThat(stdOut.toString()).contains("Signature");
}

Example 5 with Digest

use of build.bazel.remote.execution.v2.Digest in project bazel-buildfarm by bazelbuild.

the class ShardInstance method findMissingBlobsOnWorker.

private void findMissingBlobsOnWorker(String requestId, Iterable<Digest> blobDigests, Deque<String> workers, ImmutableList.Builder<FindMissingResponseEntry> responses, int originalSize, Executor executor, SettableFuture<Iterable<Digest>> missingDigestsFuture, RequestMetadata requestMetadata) {
    String worker = workers.removeFirst();
    ListenableFuture<Iterable<Digest>> workerMissingBlobsFuture = workerStub(worker).findMissingBlobs(blobDigests, requestMetadata);
    Stopwatch stopwatch = Stopwatch.createStarted();
    addCallback(workerMissingBlobsFuture, new FutureCallback<Iterable<Digest>>() {

        @Override
        public void onSuccess(Iterable<Digest> missingDigests) {
            if (Iterables.isEmpty(missingDigests) || workers.isEmpty()) {
                missingDigestsFuture.set(missingDigests);
            } else {
                responses.add(new FindMissingResponseEntry(worker, stopwatch.elapsed(MICROSECONDS), null, Iterables.size(missingDigests)));
                findMissingBlobsOnWorker(requestId, missingDigests, workers, responses, originalSize, executor, missingDigestsFuture, requestMetadata);
            }
        }

        @Override
        public void onFailure(Throwable t) {
            responses.add(new FindMissingResponseEntry(worker, stopwatch.elapsed(MICROSECONDS), t, Iterables.size(blobDigests)));
            Status status = Status.fromThrowable(t);
            if (status.getCode() == Code.UNAVAILABLE || status.getCode() == Code.UNIMPLEMENTED) {
                removeMalfunctioningWorker(worker, t, "findMissingBlobs(" + requestId + ")");
            } else if (status.getCode() == Code.DEADLINE_EXCEEDED) {
                for (FindMissingResponseEntry response : responses.build()) {
                    logger.log(response.exception == null ? Level.WARNING : Level.SEVERE, format("DEADLINE_EXCEEDED: findMissingBlobs(%s) %s: %d remaining of %d %dus%s", requestId, response.worker, response.stillMissingAfter, originalSize, response.elapsedMicros, response.exception != null ? ": " + response.exception.toString() : ""));
                }
                missingDigestsFuture.setException(status.asException());
            } else if (status.getCode() == Code.CANCELLED || Context.current().isCancelled() || !SHARD_IS_RETRIABLE.test(status)) {
                // do nothing further if we're cancelled
                missingDigestsFuture.setException(status.asException());
            } else {
                // why not, always
                workers.addLast(worker);
            }
            if (!missingDigestsFuture.isDone()) {
                if (workers.isEmpty()) {
                    missingDigestsFuture.set(blobDigests);
                } else {
                    findMissingBlobsOnWorker(requestId, blobDigests, workers, responses, originalSize, executor, missingDigestsFuture, requestMetadata);
                }
            }
        }
    }, executor);
}