Re: /dev/random

2014-08-04 Thread Joel Rees
On Mon, Aug 4, 2014 at 7:52 PM, Joel Rees wrote: > On Sat, Aug 2, 2014 at 11:01 AM, Joel Rees wrote: >> [...] >> >> Now, the random typing is not necessary. > > Well, it's not as rosy as I thought, for /dev/random: > > > duty@deb:~/math_work/sf/rollcalld$ time dd bs=128 c

Re: /dev/random

2014-08-04 Thread Joel Rees
On Sat, Aug 2, 2014 at 11:01 AM, Joel Rees wrote: > [...] > > Now, the random typing is not necessary. Well, it's not as rosy as I thought, for /dev/random: duty@deb:~/math_work/sf/rollcalld$ time dd bs=128 count=16 if=/dev/random iflag=fullblock of=randump2 16+0 レコード入力

Re: /dev/random

2014-08-03 Thread Steve Litt
On Fri, 1 Aug 2014 12:15:22 -0700 Bob Holtzman wrote: > On Fri, Aug 01, 2014 at 04:34:50PM +0100, Lisi Reisz wrote: > > On Friday 01 August 2014 00:41:01 pecon...@mesanetworks.net wrote: > > > Thanks for reading > > > > I found it unreadable. Please let some air in!! > > Thank God. I thought I

Re: /dev/random

2014-08-03 Thread Steve Litt
On Fri, 1 Aug 2014 17:49:02 +0100 Lisi Reisz wrote: > On Friday 01 August 2014 17:02:45 B wrote: > > But you didn't say it in your rant… > > I didn't rant. > > Lisi It's twu, it's twu! Lisi wrote two short sentences that took up less than one line. No rant. Her point was very succinct, com

Re: /dev/random

2014-08-03 Thread Steve Litt
On Fri, 1 Aug 2014 17:48:33 +0200 B wrote: > On Fri, 1 Aug 2014 16:34:50 +0100 > Lisi Reisz wrote: > > > On Friday 01 August 2014 00:41:01 pecon...@mesanetworks.net wrote: > > > Thanks for reading > > > > I found it unreadable. Please let some air in!! > > This is a common deformation in

Re: /dev/random

2014-08-03 Thread Steve Litt
On Fri, 1 Aug 2014 16:34:50 +0100 Lisi Reisz wrote: > On Friday 01 August 2014 00:41:01 pecon...@mesanetworks.net wrote: > > Thanks for reading > > I found it unreadable. Please let some air in!! > > Lisi LOL -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject

Re: /dev/random

2014-08-01 Thread Joel Rees
(For Lisi and Bob and others ;-/) On Fri, Aug 1, 2014 at 8:41 AM, wrote: > As many of you know, /dev/random is a source of random bits that are > suitable for use in cryptographic analysis. Wikipedia, stackoverflow, and other places have useful entries on random numbers, randomness, and the pro

Re: /dev/random

2014-08-01 Thread Joel Rees
Okay, the following was old information. REALLY old information: On Fri, Aug 1, 2014 at 8:51 PM, Joel Rees wrote: > On Fri, Aug 1, 2014 at 8:41 AM, wrote: >> As many of you know, /dev/random is a source of random bits that are >> suitable for use > > some uses > >> in cryptographic analysis. [.

Re: /dev/random

2014-08-01 Thread Jerome BENOIT
Hi, On 01/08/14 18:06, Darac Marjal wrote: > On Fri, Aug 01, 2014 at 01:50:44AM +0200, B wrote: >> On Thu, 31 Jul 2014 16:41:01 -0700 >> "" wrote: >> >>> whatever experience you want to share. >> >> use haveged, it feeds /dev/random with a reservoir. > > I'd like to chime in that I recently

Re: /dev/random

2014-08-01 Thread Andrei POPESCU
On Vi, 01 aug 14, 17:48:33, B wrote: > On Fri, 1 Aug 2014 16:34:50 +0100 > Lisi Reisz wrote: > > > On Friday 01 August 2014 00:41:01 pecon...@mesanetworks.net wrote: > > > Thanks for reading > > > > I found it unreadable. Please let some air in!! > > This is a common deformation inducted b

Re: /dev/random

2014-08-01 Thread Bob Holtzman
On Fri, Aug 01, 2014 at 04:34:50PM +0100, Lisi Reisz wrote: > On Friday 01 August 2014 00:41:01 pecon...@mesanetworks.net wrote: > > Thanks for reading > > I found it unreadable. Please let some air in!! Thank God. I thought I'd finally lost it. -- Bob Holtzman Giant intergalactic brain-suckin

Re: /dev/random

2014-08-01 Thread Lisi Reisz
On Friday 01 August 2014 17:02:45 B wrote: > But you didn't say it in your rant… I didn't rant. Lisi -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/201408011749.

Re: /dev/random

2014-08-01 Thread Darac Marjal
On Fri, Aug 01, 2014 at 01:50:44AM +0200, B wrote: > On Thu, 31 Jul 2014 16:41:01 -0700 > "" wrote: > > > whatever experience you want to share. > > use haveged, it feeds /dev/random with a reservoir. I'd like to chime in that I recently installed haveged myself and have seen a massive incr

Re: /dev/random

2014-08-01 Thread Bzzzz
On Fri, 1 Aug 2014 16:53:09 +0100 Lisi Reisz wrote: > I'm glad you live in a world where everyone has 20/20 vision and > disability is unheard of. Some of us are not so lucky. It is 15 > years since I was able to read a book. But you didn't say it in your rant… > Try to learn a little tolera

Re: /dev/random

2014-08-01 Thread Lisi Reisz
On Friday 01 August 2014 16:48:33 B wrote: > Take your time and use a very old and well known cure > as an every day mental hygiene: forget the web and use > something made in paper called "a book"; you'll see, > it will open your horizons and your mind ;) I'm glad you live in a world where ev

Re: /dev/random

2014-08-01 Thread Bzzzz
On Fri, 1 Aug 2014 16:34:50 +0100 Lisi Reisz wrote: > On Friday 01 August 2014 00:41:01 pecon...@mesanetworks.net wrote: > > Thanks for reading > > I found it unreadable. Please let some air in!! This is a common deformation inducted by the web: people tend to reject what is more than 10 lines

Re: /dev/random

2014-08-01 Thread Lisi Reisz
On Friday 01 August 2014 00:41:01 pecon...@mesanetworks.net wrote: > Thanks for reading I found it unreadable. Please let some air in!! Lisi -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive:

Re: /dev/random

2014-08-01 Thread David Guyot
Le vendredi 01 août 2014 à 20:36:29 +0900, Joel Rees a écrit: > Yes, but, ... > > Most I/O devices are dependent on certain kinds of timing to function. > For instance, if you try to use the timing between cache fills on your > hard disk, and the system for some reason reads a large block of data

Re: /dev/random

2014-08-01 Thread Joel Rees
On Fri, Aug 1, 2014 at 8:41 AM, wrote: > As many of you know, /dev/random is a source of random bits that are > suitable for use some uses > in cryptographic analysis. [...] > Just how often do you have to poke at the keyboard? And > when you do poke at it, about how many key presses do you mak

Re: /dev/random

2014-08-01 Thread Joel Rees
On Fri, Aug 1, 2014 at 4:00 PM, David Guyot wrote: > Le jeudi 31 juillet 2014 à 16:41:01 -0700, pecon...@mesanetworks.net a écrit: >> not generated by the functioning of the computer, but from something >> like the keystroke times of a human asking for help on this list. It >> differs from /dev/ur

Re: /dev/random

2014-08-01 Thread Andrei POPESCU
On Jo, 31 iul 14, 16:41:01, pecon...@mesanetworks.net wrote: > > Just how often do you have to poke at the keyboard? And > when you do poke at it, about how many key presses do you make before > you get the number of bits you requested? I'm wondering is this a > event with which many Debianers are

Re: /dev/random

2014-08-01 Thread David Guyot
Le jeudi 31 juillet 2014 à 16:41:01 -0700, pecon...@mesanetworks.net a écrit: > not generated by the functioning of the computer, but from something > like the keystroke times of a human asking for help on this list. It > differs from /dev/urandom in that /dev/random blocks and does not give > any

Re: /dev/random

2014-07-31 Thread David Christensen
On 07/31/2014 04:41 PM, pecon...@mesanetworks.net wrote: Just how often do you have to poke at the keyboard? And when you do poke at it, about how many key presses do you make before you get the number of bits you requested? Whenever I do a fresh system build, I use /dev/random to generate a 32

Re: /dev/random

2014-07-31 Thread Bzzzz
On Thu, 31 Jul 2014 16:41:01 -0700 "" wrote: > whatever experience you want to share. use haveged, it feeds /dev/random with a reservoir. -- Pazns: U don't know about the drawer method? Pazns: U take your schoolbag, empty it in a drawer, close it, hop! clean up done! Zeeln: Yeah but my

Re: /dev/random vs /dev/urandom

2013-04-21 Thread Jochen Spieker
Pascal Hambourg: > Pol Hallen a écrit : >> >>> /dev/random is cryptographically more secure. >> >> do you mean /dev/urandom is [...]? > > Not here. > >>> /dev/random is faster. > > But here. > /dev/random is more random. > /dev/urandom is faster. Exactly, thanks. My 'u' key gets stck sometime

Re: /dev/random vs /dev/urandom

2013-04-21 Thread Kevin Chadwick
> Hi folks! > > I need create a block file, later use it like archive (with dm). > > What is better use? > > /dev/random or /dev/urandom? > > thanks! > > Pol > You might want to install haveged. You can use that directly without affecting your system entropy. > > -- > To UNSUBSCRIBE, emai

Re: /dev/random vs /dev/urandom

2013-04-21 Thread Pascal Hambourg
Pol Hallen a écrit : >> Define "better". > > better = secure (high level of security) :-) > >> /dev/random is cryptographically more secure. > > do you mean /dev/urandom is [...]? Not here. >> /dev/random is faster. But here. /dev/random is more random. /dev/urandom is faster. -- To UNSUBS

Re: /dev/random vs /dev/urandom

2013-04-21 Thread Jerome BENOIT
Hello List, On 21/04/13 20:04, Pol Hallen wrote: Define "better". better = secure (high level of security) :-) /dev/random is cryptographically more secure. do you mean /dev/urandom is [...]? /dev/random is faster. thanks! man 4 random Pol hth, Jerome -- To UNSUBSCRIBE, e

Re: /dev/random vs /dev/urandom

2013-04-21 Thread Pol Hallen
> Define "better". better = secure (high level of security) :-) > /dev/random is cryptographically more secure. do you mean /dev/urandom is [...]? > /dev/random is faster. thanks! Pol -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble

Re: /dev/random vs /dev/urandom

2013-04-21 Thread Jochen Spieker
Pol Hallen: > Hi folks! > > I need create a block file, later use it like archive (with dm). > > What is better use? > > /dev/random or /dev/urandom? Define "better". /dev/random is cryptographically more secure. /dev/random is faster. J. -- I lust after strangers but only date people from th

Re: /dev/random rate

2010-01-13 Thread Steve Kemp
On Thu Jan 14, 2010 at 01:43:39 +0100, "Stanis??aw T. Findeisen" wrote: > I am trying to generate an SSL key using OpenSSL and /dev/random . > However, it looks that the entropy generation rate is very low. .. > Any ideas? You can try this: You can see the amount of available entropy via: