I don't know, but I wouldn't be too impressed with the security of the existing iMessage: http://arstechnica.com/security/2013/06/can-apple-read-your-imessages-

I don't know, but I wouldn't be too impressed with the security of the existing iMessage: http://arstechnica.com/security/2013/06/can-apple-read-your-imessages-ars-deciphers-end-to-end-crypto-claims/ http://arstechnica.com/security/2013/06/can-apple-read-your-...