Add material on Maurer's [Constructive Cryptography](http://link.springer.com/chapter/10.1007/978-3-642-27375-9_3), also [here](http://link.springer.com/10.1007%2F978-3-642-14577-3_1), [here](http://link.springer.com/chapter/10.1007/978-3-642-28914-9_12), [here](http://link.springer.com/chapter/10.1007/978-3-642-39077-7_2), [here](http://link.springer.com/chapter/10.1007/978-3-642-42033-7_8), [here](http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6620718). Also more generally [Abstract Cryptography](http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.402.6462).