private void handleCommonRegistration(
MasterSecret masterSecret, TextSecureAccountManager accountManager, String number)
throws IOException {
setState(new RegistrationState(RegistrationState.STATE_GENERATING_KEYS, number));
Recipient self =
RecipientFactory.getRecipientsFromString(this, number, false).getPrimaryRecipient();
IdentityKeyPair identityKey = IdentityKeyUtil.getIdentityKeyPair(this, masterSecret);
List<PreKeyRecord> records = PreKeyUtil.generatePreKeys(this, masterSecret);
PreKeyRecord lastResort = PreKeyUtil.generateLastResortKey(this, masterSecret);
SignedPreKeyRecord signedPreKey =
PreKeyUtil.generateSignedPreKey(this, masterSecret, identityKey);
accountManager.setPreKeys(identityKey.getPublicKey(), lastResort, signedPreKey, records);
setState(new RegistrationState(RegistrationState.STATE_GCM_REGISTERING, number));
String gcmRegistrationId = "";
accountManager.setGcmId(Optional.of(gcmRegistrationId));
TextSecurePreferences.setGcmRegistrationId(this, gcmRegistrationId);
TextSecurePreferences.setWebsocketRegistered(this, true);
DatabaseFactory.getIdentityDatabase(this)
.saveIdentity(masterSecret, self.getRecipientId(), identityKey.getPublicKey());
DirectoryHelper.refreshDirectory(this, accountManager, number);
DirectoryRefreshListener.schedule(this);
}
public static SignedPreKeyRecord generateSignedPreKey(
Context context, MasterSecret masterSecret, IdentityKeyPair identityKeyPair) {
try {
SignedPreKeyStore signedPreKeyStore = new TextSecurePreKeyStore(context, masterSecret);
int signedPreKeyId = getNextSignedPreKeyId(context);
ECKeyPair keyPair = Curve.generateKeyPair();
byte[] signature =
Curve.calculateSignature(
identityKeyPair.getPrivateKey(), keyPair.getPublicKey().serialize());
SignedPreKeyRecord record =
new SignedPreKeyRecord(signedPreKeyId, System.currentTimeMillis(), keyPair, signature);
signedPreKeyStore.storeSignedPreKey(signedPreKeyId, record);
setNextSignedPreKeyId(context, (signedPreKeyId + 1) % Medium.MAX_VALUE);
return record;
} catch (InvalidKeyException e) {
throw new AssertionError(e);
}
}