[mst]

I'd be fascinated to see what the results would be if the problem was tackled by somebody who was both capable of getting the crypto right, and willing to use DJB's substdio or any of the various equivalents.

[grosskur]

DJB already wrote his own crypto library, NaCL:

http://nacl.cr.yp.to/

It's been packaged up as libsodium:

https://github.com/jedisct1/libsodium

That said, even DJB doesn't trust himself to write bug-free C code:

http://cr.yp.to/qmail/qmailsec-20071101.pdf