[Taler] G the generator

[Fabian Kirsch]

Hi all,

i hope we can lift the protocol description to an abstraction-level 
where we do not need to restrict ourselves to

* the existence of a group generator,
* the use of RSA,
* the use of Elliptic curves

Of course the implementation has to use these. But the crypto-*design* 
should just require
"any asymetric encryption scheme with a public and a private key that 
allows blind signatures and
either DH-Keygen or ElGammal-Encryption".

In that way taler's crypto would not need reevaluation with each news in 
the crypto field.

greetings
  Fabian