It seems to me that everybody has forgotten that it is trivially easy to send coded messages which are not crackable by current technology WITHOUT using end-to-end encryption.
A million dollars to anyone who can crack this:
atsp pkttma ptmkk strtutp tmp kputt kam ktrttk ptr km skttspu mmas
ttrkut arm amuarts pmmkprs tptpsua rmuk tst apukk apsata tauam masm
tk murr tpatrtp upkrstt rmtra tmurt uprstk mkrtuu mr mrsa rm sutm ut
usaps mtmr tpurkk prs stk amts pmpt tktt akpts trutp ppsu kstmk au
strmukr rrsk uprr kskurps attmrrr mkasmmm ss krusurs rrsss ukrtua
ktatsm aupamtp takm
Have fun!