http://yw7nc56v4nsudvwewhmhhwltxpncedfuc43qbubj4nmwhdhwtiu4o6yd.onion/t/the-cyphernomicon-1994/95
Whereas there are areas where professional cryptologists have done very little: PGP (note that PRZ did not take time out to try to invent his own ciphers, at least not for Version 2.0)…he concentrated on where his efforts would have the best payoff implementation of remailers issues involving shells and other tools for crypto use digital cash related issues, such as reputations, language design, game theory, etc.