[Cryptography] Which big-name ciphers have been broken in living memory?

[Marc W. Abel]

On 08/15/2014 09:52 PM, james hughes wrote:
> and my favorite, any non-PFS protocol.


Wow.  So, pretend for a minute that I have a threat model that doesn't 
trust asymmetric cryptography, period.  Is it possible to design a PFS 
protocol for this model?  I'm all in favor of forward secrecy, but I 
also have great respect for human capacity to solve extremely 
challenging puzzles.

Marc