Luigi Rosa wrote: >> With headless and/or virtual servers the issue is even bigger because > Linux could not be able to collect enough entropy to seed /dev/urandom Is this a meaningful statement? How do you measure the "entropy" of a seed (which I take to be a string)? And if you can, is it true that you can decrypt a string with low entropy? Nb What you say may be perfectly valid, I'd just like to know exactly what it means, if indeed it has a mathematical meaning. -- Timothy Murphy e-mail: gayleard /at/ eircom.net School of Mathematics, Trinity College, Dublin 2, Ireland