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

Example 6 with RemoteAttestation

use of org.whispersystems.signalservice.internal.contacts.crypto.RemoteAttestation 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);
}

Example 7 with RemoteAttestation

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

the class RemoteAttestationUtil method getAndVerifyMultiRemoteAttestation.

public static Map<String, RemoteAttestation> getAndVerifyMultiRemoteAttestation(PushServiceSocket socket, PushServiceSocket.ClientSet clientSet, KeyStore iasKeyStore, String enclaveName, String mrenclave, String authorization) throws IOException, Quote.InvalidQuoteFormatException, InvalidCiphertextException, UnauthenticatedQuoteException, SignatureException, InvalidKeyException {
    ECKeyPair keyPair = buildKeyPair();
    ResponsePair result = makeAttestationRequest(socket, clientSet, authorization, enclaveName, keyPair);
    MultiRemoteAttestationResponse response = JsonUtil.fromJson(result.body, MultiRemoteAttestationResponse.class);
    Map<String, RemoteAttestation> attestations = new HashMap<>();
    if (response.getAttestations().isEmpty() || response.getAttestations().size() > 3) {
        throw new MalformedResponseException("Incorrect number of attestations: " + response.getAttestations().size());
    }
    for (Map.Entry<String, RemoteAttestationResponse> entry : response.getAttestations().entrySet()) {
        attestations.put(entry.getKey(), validateAndBuildRemoteAttestation(entry.getValue(), result.cookies, iasKeyStore, keyPair, mrenclave));
    }
    return attestations;
}