Yes, there is. http://www.theregister.co.uk/2014/11/03/how_secure_is_textsecure_pretty_well_secure/ http://www.theregister.co.uk/2014/11/03/how_secure_is_texts

Yes, there is. http://www.theregister.co.uk/2014/11/03/how_secure_is_textsecure_pretty_well_secure/ http://www.theregister.co.uk/2014/11/03/how_secure_is_textse... https://eprint.iacr.org/2014/904.pdf https://eprint.iacr.org/2014/904.pdf