Random keys ?

[A. Padgett Peterson P.E. Information Security]

  >	This does not demonstrate that the RSA keys are as well
  >distributed, but it does generate some confidence that the key
  >generation methods of PGP are not very broken.  Testing for RSA
  >generation would be more difficult, since there are some practical
  >difficulties in getting a large sample of RSA private keys.
  
  True but do not need private keys, just public ones (one to one relation),
  should be able to get a large sample (20,000 in one place did I hear ?)
  of those.
  						Warmly,
  							Padgett