-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Thursday, 2009-02-05 at 14:36 -0800, Randall R Schulz wrote:
In my machine, it is slow and cpu intensive.
Hmm, using /dev/urandom on my machines, the test transfers were done so fast that I couldn't tell whether it was CPU intensive or not.
Depending on your hardware (might you have a hardware RNG?) this might be expected to be the case at least some of the time.
However, keep in mind that there are things for which entropy is required that are more important than giving script kiddies headaches, and pulling a lot of data out of /dev/urandom when there is no hardware RNG can deplete the available entropy and require some time for more to accumulate.
Mmm... interesting explanation, I like it. Yes, it is used in cryptography. This operation: time nice dd if=/dev/urandom of=/dev/sda4 run at 1.6..1.8 megs per second on my system (12.6 hours to fill an 80 GB partition). They say /dev/random is faster. - -- Cheers, Carlos E. R. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) iEYEARECAAYFAkmLdlQACgkQtTMYHG2NR9WuFQCfTr3FUCUSmMeThfE8kenmmabD 5MMAnjW3EU56Ok9wc7pxtxqbq3nyoK/3 =HBQS -----END PGP SIGNATURE----- -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org