Examples with RemoteAttestationKeys org.whispersystems.signalservice.internal.contacts.crypto.RemoteAttestationKeys used on opensource projects

Example 1 with RemoteAttestationKeys

use of org.whispersystems.signalservice.internal.contacts.crypto.RemoteAttestationKeys in project Signal-Android by WhisperSystems.

the class RemoteAttestationUtil method validateAndBuildRemoteAttestation.

private static RemoteAttestation validateAndBuildRemoteAttestation(RemoteAttestationResponse response, List<String> cookies, KeyStore iasKeyStore, ECKeyPair keyPair, String mrenclave) throws Quote.InvalidQuoteFormatException, InvalidCiphertextException, UnauthenticatedQuoteException, SignatureException, InvalidKeyException {
    RemoteAttestationKeys keys = new RemoteAttestationKeys(keyPair, response.getServerEphemeralPublic(), response.getServerStaticPublic());
    Quote quote = new Quote(response.getQuote());
    byte[] requestId = RemoteAttestationCipher.getRequestId(keys, response);
    RemoteAttestationCipher.verifyServerQuote(quote, response.getServerStaticPublic(), mrenclave);
    RemoteAttestationCipher.verifyIasSignature(iasKeyStore, response.getCertificates(), response.getSignatureBody(), response.getSignature(), quote);
    return new RemoteAttestation(requestId, keys, cookies);
}

Example 2 with RemoteAttestationKeys

use of org.whispersystems.signalservice.internal.contacts.crypto.RemoteAttestationKeys in project libsignal-service-java by signalapp.

the class SignalServiceAccountManager method getRegisteredUsers.

public List<String> getRegisteredUsers(KeyStore iasKeyStore, Set<String> e164numbers, String mrenclave) throws IOException, Quote.InvalidQuoteFormatException, UnauthenticatedQuoteException, SignatureException, UnauthenticatedResponseException {
    try {
        String authorization = this.pushServiceSocket.getContactDiscoveryAuthorization();
        Curve25519 curve = Curve25519.getInstance(Curve25519.BEST);
        Curve25519KeyPair keyPair = curve.generateKeyPair();
        ContactDiscoveryCipher cipher = new ContactDiscoveryCipher();
        RemoteAttestationRequest attestationRequest = new RemoteAttestationRequest(keyPair.getPublicKey());
        Pair<RemoteAttestationResponse, List<String>> attestationResponse = this.pushServiceSocket.getContactDiscoveryRemoteAttestation(authorization, attestationRequest, mrenclave);
        RemoteAttestationKeys keys = new RemoteAttestationKeys(keyPair, attestationResponse.first().getServerEphemeralPublic(), attestationResponse.first().getServerStaticPublic());
        Quote quote = new Quote(attestationResponse.first().getQuote());
        byte[] requestId = cipher.getRequestId(keys, attestationResponse.first());
        cipher.verifyServerQuote(quote, attestationResponse.first().getServerStaticPublic(), mrenclave);
        cipher.verifyIasSignature(iasKeyStore, attestationResponse.first().getCertificates(), attestationResponse.first().getSignatureBody(), attestationResponse.first().getSignature(), quote);
        RemoteAttestation remoteAttestation = new RemoteAttestation(requestId, keys);
        List<String> addressBook = new LinkedList<>();
        for (String e164number : e164numbers) {
            addressBook.add(e164number.substring(1));
        }
        DiscoveryRequest request = cipher.createDiscoveryRequest(addressBook, remoteAttestation);
        DiscoveryResponse response = this.pushServiceSocket.getContactDiscoveryRegisteredUsers(authorization, request, attestationResponse.second(), mrenclave);
        byte[] data = cipher.getDiscoveryResponseData(response, remoteAttestation);
        Iterator<String> addressBookIterator = addressBook.iterator();
        List<String> results = new LinkedList<>();
        for (byte aData : data) {
            String candidate = addressBookIterator.next();
            if (aData != 0)
                results.add('+' + candidate);
        }
        return results;
    } catch (InvalidCiphertextException e) {
        throw new UnauthenticatedResponseException(e);
    }
}

Example 3 with RemoteAttestationKeys

use of org.whispersystems.signalservice.internal.contacts.crypto.RemoteAttestationKeys in project Signal-Android by signalapp.

the class RemoteAttestationUtil method validateAndBuildRemoteAttestation.

private static RemoteAttestation validateAndBuildRemoteAttestation(RemoteAttestationResponse response, List<String> cookies, KeyStore iasKeyStore, ECKeyPair keyPair, String mrenclave) throws Quote.InvalidQuoteFormatException, InvalidCiphertextException, UnauthenticatedQuoteException, SignatureException, InvalidKeyException {
    RemoteAttestationKeys keys = new RemoteAttestationKeys(keyPair, response.getServerEphemeralPublic(), response.getServerStaticPublic());
    Quote quote = new Quote(response.getQuote());
    byte[] requestId = RemoteAttestationCipher.getRequestId(keys, response);
    RemoteAttestationCipher.verifyServerQuote(quote, response.getServerStaticPublic(), mrenclave);
    RemoteAttestationCipher.verifyIasSignature(iasKeyStore, response.getCertificates(), response.getSignatureBody(), response.getSignature(), quote);
    return new RemoteAttestation(requestId, keys, cookies);
}