Carl Ellison says: > I can think of two: > > 1. a long-period PRNG (like subtract-with-carry) feeding a > cryptographically strong hash function (perhaps triple-DES > in ECB mode with both key nad input taken from the PRNG > and output becoming the new PRNG output; What would the point of using this for a one time pad be, though? Why not just use triple-DES and be done with the bulk and complexity? Perry