public static PreKeyRecord generateLastResortKey(Context context, MasterSecret masterSecret) {
PreKeyStore preKeyStore = new TextSecurePreKeyStore(context, masterSecret);
if (preKeyStore.containsPreKey(Medium.MAX_VALUE)) {
try {
return preKeyStore.loadPreKey(Medium.MAX_VALUE);
} catch (InvalidKeyIdException e) {
Log.w("PreKeyUtil", e);
preKeyStore.removePreKey(Medium.MAX_VALUE);
}
}
ECKeyPair keyPair = Curve.generateKeyPair();
PreKeyRecord record = new PreKeyRecord(Medium.MAX_VALUE, keyPair);
preKeyStore.storePreKey(Medium.MAX_VALUE, record);
return record;
}
