Re: randomdev entropy gathering is really weak

2000-07-23 Thread Mark Murray
> http://www.counterpane.com/pseudorandom_number.html > > Cryptlib is described here: > > http://www.cs.auckland.ac.nz/~pgut001/cryptlib/ Thanks! > > Asynchonous reseeding _improves_ the situation; the attacker cannot force > > it to any degree of accuracy, and if he has the odds stacked heavi

Re: DHCP client problem?

2000-07-23 Thread Seigo Tanimura
On Sun, 23 Jul 2000 13:26:02 -0700, Nick Sayer <[EMAIL PROTECTED]> said: Nick> Reversing that patch fixes it. Since the source for this is in contrib, Nick> I presume we Nick> need to send this back to ISC rather than patch it in our tree? Nick> Tatsumi Hosokawa wrote: (snip) >> - if [ x$old_

Re: Re[2]: Journaling Filesystem ?

2000-07-23 Thread Garrett Wollman
< said: > I didn't even know that background fsck was supported at all. I > remember hearing Kirk talk about it as a future feature at FreeBSD CON > last year, but I havn't heard anything about it since. How do you > use it? It is not quite there yet. It requires the snapshot code, which just

Re[2]: Journaling Filesystem ?

2000-07-23 Thread Garrett Wollman
< said: > With Softupdates, you still have to fsck. On a large FS (say half a > terabyte) that can take hours. No you don't. Please read the paper. -GAWollman To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000, Jeroen C. van Gelderen wrote: > > Well, a simple scheme which doesn't seem to suffer from any of the > > vulnerabilities discussed in the schneier papers is to accumulate entropy > > in a pool, and only return output when the pool is full. i.e. the PRNG > > would either block

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000, Mark Murray wrote: > > There are two other models which rate "pretty well-designed" in the Yarrow > > paper: the cryptlib and PGP PRNGs. I don't know what their properties are > > right now (the cryptlib one is described in the paper on PRNG > > cryptanalysis). > > Do you ha

Re: ahc lockups in -current

2000-07-23 Thread Manfred Antar
At 06:07 PM 7/23/2000 -0500, Mike Meyer wrote: >It seems that the last changes to the ahc drivers (committed on the >18th) are causing my system to lock up. I'd check the aic7890 specific >changes first, but that's just me. > >The problem is that when I start doing I/O to two drives, the system >h

Re: Re[2]: Journaling Filesystem ?

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000, Brian O'Shea wrote: > I didn't even know that background fsck was supported at all. I > remember hearing Kirk talk about it as a future feature at FreeBSD CON > last year, but I havn't heard anything about it since. How do you > use it? I've never tried it myself - maybe I

Re: Re[2]: Journaling Filesystem ?

2000-07-23 Thread Brian O'Shea
On Sun, Jul 23, 2000 at 03:28:07PM -0700, Kris Kennaway wrote: > On Sun, 23 Jul 2000, Joe McGuckin wrote: > > > The big win with a journaling FS is when you have to reboot the system. > > > > With Softupdates, you still have to fsck. On a large FS (say half a > > terabyte) that can take hours.

Re: ahc lockups in -current

2000-07-23 Thread Brandon Hume
> It seems that the last changes to the ahc drivers (committed on the > 18th) are causing my system to lock up. I'd check the aic7890 specific I just upgraded my system to the latest -current today, from a long hiatus... last time I did a world was July 3rd. I can no longer boot the system. I w

ahc lockups in -current

2000-07-23 Thread Mike Meyer
It seems that the last changes to the ahc drivers (committed on the 18th) are causing my system to lock up. I'd check the aic7890 specific changes first, but that's just me. The problem is that when I start doing I/O to two drives, the system hangs. The SCSI controller and both drives(*) turn on

Re: kernel compile failure without -O option

2000-07-23 Thread Peter Jeremy
On 2000-Jul-19 19:31:12 -0700, John Polstra <[EMAIL PROTECTED]> wrote: >In article <[EMAIL PROTECTED]>, >Hellmuth Michaelis <[EMAIL PROTECTED]> wrote: >> >> In the process of tracing down the problem of the kernel panic when booting >> a kernel with pcvt enabled, i tried to compile a kernel witho

Re: Netscape

2000-07-23 Thread Adam
On Sun, 23 Jul 2000, Trevor Johnson wrote: >> > Are the fixed in Netscape 4.74 bugs not critical for release? >> >> Who knows? I don't know of any changelog for Netscape. > >The release notes are at >http://home.netscape.com/eng/mozilla/4.7/relnotes/unix-4.74.html#whatnew . >The only change that

Driver for Adaptec/Dell/HP PCI:SCSI RAID adapters available

2000-07-23 Thread Mike Smith
--- Blind-Carbon-Copy X-Mailer: exmh version 2.1.1 10/15/1999 To: [EMAIL PROTECTED] Subject: Driver for Adaptec/Dell/HP PCI:SCSI RAID adapters available Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sun, 23 Jul 2000 15:53:40 -0700 From: Mike Smith <[EMAIL PROTECTED]> Th

Re: Re[2]: Journaling Filesystem ?

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000, Joe McGuckin wrote: > The big win with a journaling FS is when you have to reboot the system. > > With Softupdates, you still have to fsck. On a large FS (say half a > terabyte) that can take hours. No you don't. Your filesystem will be in a consistent state except for blo

Re: Now make installworld is broken

2000-07-23 Thread Marcel Moolenaar
John Polstra wrote: > > -- > >>> Making hierarchy > -- > cd /local0/src; make -f Makefile.inc1 hierarchy > cd /local0/src/etc; make distrib-dirs > mtree -deU -f /loc

Re: Now make installworld is broken

2000-07-23 Thread John Polstra
In article <[EMAIL PROTECTED]>, John Polstra <[EMAIL PROTECTED]> wrote: > Current is a damned joke these days. With sources fetched at 10:00 > PDT (17:00 GMT) today: > > blake# make installworld > mkdir -p /tmp/install.232 > for prog in [ awk cat chflags chown date echo egrep find grep install

Re[2]: Journaling Filesystem ?

2000-07-23 Thread Joe McGuckin
The big win with a journaling FS is when you have to reboot the system. With Softupdates, you still have to fsck. On a large FS (say half a terabyte) that can take hours. With a JFS, you simply play the log forward and continue. -joe -- Joe McGuckin ViaNet Communications 994 San Antonio

Re: trafshow doesn't work?

2000-07-23 Thread Mark Murray
> Fallout from the malloc.conf changes. tcpdump has the same bug. Could this break dhclient as well? M -- Mark Murray Join the anti-SPAM movement: http://www.cauce.org To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message

Re: DHCP client problem?

2000-07-23 Thread Nick Sayer
Reversing that patch fixes it. Since the source for this is in contrib, I presume we need to send this back to ISC rather than patch it in our tree? Tatsumi Hosokawa wrote: > > At Fri, 21 Jul 2000 17:22:15 -0700 (PDT), > Nick Sayer <[EMAIL PROTECTED]> wrote: > > > > Something changed very recent

Now make installworld is broken

2000-07-23 Thread John Polstra
Current is a damned joke these days. With sources fetched at 10:00 PDT (17:00 GMT) today: blake# make installworld mkdir -p /tmp/install.232 for prog in [ awk cat chflags chown date echo egrep find grep install ln make makewhatis mv perl rm sed sh sysctl test true u name wc zic; do cp `which

Re: 4.1-RC panic when loading dnetc (distributed.net client)

2000-07-23 Thread Thomas T. Veldhouse
On Sun, 23 Jul 2000, Daniel Baker wrote: > Thomas, > > Just use "boot -s" to boot into single user mode so that you can disable > the dnetc.sh script before you get into multiuser mode when all the rc.d > scripts are executed. > > How long has the machine that you're using been alive for? Ha

Re: Netscape

2000-07-23 Thread Trevor Johnson
> > Are the fixed in Netscape 4.74 bugs not critical for release? > > Who knows? I don't know of any changelog for Netscape. The release notes are at http://home.netscape.com/eng/mozilla/4.7/relnotes/unix-4.74.html#whatnew . The only change that looks like it applies to us is a new feature to de

RE: randomdev entropy gathering is really weak

2000-07-23 Thread David Schwartz
> 5. Yarrow was designed as a better replacement for most any >PRNG by a couple of bright cryptographers. Can you do >better than that? Nope, I agree. Ignore my previous objections. DS To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" i

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Jeroen C. van Gelderen
Kris Kennaway wrote: > > On Sun, 23 Jul 2000, Mark Murray wrote: > > > > > > This design tradeoff is discussed in section 4.1 of the paper. > > > > > > > > Tweakable. > > > > > > Doing a reseed operation with every output is going to be *very* > > > computationally expensive. > > > > Tradeoff. W

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Jeroen C. van Gelderen
David Schwartz wrote: > > > > /dev/random should block if the system does not contain as much > > real entropy > > > as the reader desires. Otherwise, the PRNG implementation will be the > > > weakest link for people who have deliberately selected higher levels of > > > protection from cryptograp

Re: make installkernel broken ? (was Re: World broken)

2000-07-23 Thread Marcel Moolenaar
Salvo Bartolotta wrote: > > Dear FreeBSd'ers, > > The good news: I have just made buildworld (sources cvsup'ed today), > and made buildkernel with no problems. > > The (moderately) bad news: make installkernel fails: Already fixed. Please re-cvsup. Note that the kernel will be called 'kernel'

Re: 4.1-RC panic when loading dnetc (distributed.net client)

2000-07-23 Thread Daniel Baker
On 23-Jul-2000, Thomas T. Veldhouse wrote: > I am using the 4.63 dnetc native FreeBSD version of the distributed.net > client. Here is what happens: > [snip] > I am having a hard time getting into my system to disable dnetc and see if I > can get more details. The CD ROM I burned with a stabl

make installkernel broken ? (was Re: World broken)

2000-07-23 Thread Salvo Bartolotta
>> Original Message << On 7/23/00, 7:19:03 AM, Warner Losh <[EMAIL PROTECTED]> wrote regarding World broken: > cc -O -pipe -DMD5 -DSHA1 -DRMD160 -I/usr/obj/home/imp/FreeBSD/src/i386/usr/include -o mtree compare.o crc.o create.o excludes.o misc.o mtree.o spe

4.1-RC panic when loading dnetc (distributed.net client)

2000-07-23 Thread Thomas T. Veldhouse
I am using the 4.63 dnetc native FreeBSD version of the distributed.net client. Here is what happens: --- Local package initialization: dnetc Fatal trap 12: page fault while in kernel mode fault virtual address = 0xe0aedffc fault code = supervisor read, page not present instruction pointer = 0

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Poul-Henning Kamp
In message <[EMAIL PROTECTED]>, Stefan `Sec` Zehl writes: >Assume I want to encrypt a message by XOR'ing with randomness. > >If I then exchange my keys securely, the message is uncrackable. > >With the current approach it has a 256bits key. This is, in my eyes, not >good. Although yarrow is nice,

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Stefan `Sec` Zehl
Poul-Henning Kamp <[EMAIL PROTECTED]> wrote: > In message <[EMAIL PROTECTED]>, Kri > s Kennaway writes: > >On Sun, 23 Jul 2000, Poul-Henning Kamp wrote: > > > >> Obviously, if you need more randomness than a stock FreeBSD system > >> can provide you with, you add hardware to give you more randomn

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Mark Murray
> > The acknowlegment that I am looking for is that the old, simple "gather > > entropy, stir with hash, serve" model is inadequate IMO, and I have not > > seen any alternatives. > > There are two other models which rate "pretty well-designed" in the Yarrow > paper: the cryptlib and PGP PRNGs. I

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000, Mark Murray wrote: > > > > This design tradeoff is discussed in section 4.1 of the paper. > > > > > > Tweakable. > > > > Doing a reseed operation with every output is going to be *very* > > computationally expensive. > > Tradeoff. What do you want? Lightning fast? Excessive

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Mark Murray
> On Sun, 23 Jul 2000, Mark Murray wrote: > > > Erm, read 4.1 again :-). The paragraph that begins "One approach..." is > > the old approach. It is also the approach that you are advocating. > > > > The next paragraph "Yarrow takes..." is Yarrow, and the current > > implementation. > > "The str

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Mark Murray
> > > This design tradeoff is discussed in section 4.1 of the paper. > > > > Tweakable. > > Doing a reseed operation with every output is going to be *very* > computationally expensive. Tradeoff. What do you want? Lightning fast? Excessive security? Balance it out. > > > Well, I don't see a way

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Mark Murray
> On Sun, 23 Jul 2000, Poul-Henning Kamp wrote: > > > Obviously, if you need more randomness than a stock FreeBSD system > > can provide you with, you add hardware to give you more randomness. > > This won't help if it's fed through Yarrow. *BTTT!* Wrong. A good hardware RNG when fed at a h

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Mark Murray
> > > Obviously, if you need more randomness than a stock FreeBSD system > > > can provide you with, you add hardware to give you more randomness. > > > > This won't help if it's fed through Yarrow. > > *BTTT!* Wrong. A good hardware RNG when fed at a high-enough rate > through Yarrow can ea

Re: Netscape

2000-07-23 Thread rosti
Kris Kennaway wrote: > On Sun, 23 Jul 2000 [EMAIL PROTECTED] wrote: > > > If there will be "FreeBSD 4.1-RC3+" will it contains the newer version of > > Netscape? > > No - the ports collection for 4.1-RELEASE has been frozen. > > > Are the fixed in Netscape 4.74 bugs not critical for release? > >

Re: Netscape

2000-07-23 Thread Lars Fredriksen
[EMAIL PROTECTED] wrote: > Kris Kennaway wrote: > > > On Sun, 23 Jul 2000 [EMAIL PROTECTED] wrote: > > > > > Netscape 4.74 is already out but FreeBSD 4.1-RC2 contains 4.73 version > > > yet. Will FreeBSD 4.1-RELEASE contains the last version (4.74) of > > > Netscape Communicator and Navigator? >

Re: Netscape

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000 [EMAIL PROTECTED] wrote: > If there will be "FreeBSD 4.1-RC3+" will it contains the newer version of > Netscape? No - the ports collection for 4.1-RELEASE has been frozen. > Are the fixed in Netscape 4.74 bugs not critical for release? Who knows? I don't know of any changel

Re: Netscape

2000-07-23 Thread rosti
Kris Kennaway wrote: > On Sun, 23 Jul 2000 [EMAIL PROTECTED] wrote: > > > Netscape 4.74 is already out but FreeBSD 4.1-RC2 contains 4.73 version > > yet. Will FreeBSD 4.1-RELEASE contains the last version (4.74) of > > Netscape Communicator and Navigator? > > No. The ports tree has been frozen.

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Poul-Henning Kamp
In message <[EMAIL PROTECTED]>, Kri s Kennaway writes: >On Sun, 23 Jul 2000, Poul-Henning Kamp wrote: > >> Obviously, if you need more randomness than a stock FreeBSD system >> can provide you with, you add hardware to give you more randomness. > >This won't help if it's fed through Yarrow. Nobod

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000, Mark Murray wrote: > Erm, read 4.1 again :-). The paragraph that begins "One approach..." is > the old approach. It is also the approach that you are advocating. > > The next paragraph "Yarrow takes..." is Yarrow, and the current > implementation. "The strength of the first

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000, Poul-Henning Kamp wrote: > Obviously, if you need more randomness than a stock FreeBSD system > can provide you with, you add hardware to give you more randomness. This won't help if it's fed through Yarrow. > In other words, and more bluntly: Please shut up now, will you

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Mark Murray
> This is basically the model I am advocating for /dev/random. It's also the > alternative "basic design philosophy" described in the yarrow paper. Erm, read 4.1 again :-). The paragraph that begins "One approach..." is the old approach. It is also the approach that you are advocating. The next

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Poul-Henning Kamp
In message <[EMAIL PROTECTED]>, Kri s Kennaway writes: >On Sat, 22 Jul 2000, Jeroen C. van Gelderen wrote: > >> I agree that you need long RSA keys ... but the real >> discussion isn't really about key length but rather about >> the overall complexity of attacking the key: > >Okay, using RSA key

Re: Netscape

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000 [EMAIL PROTECTED] wrote: > Netscape 4.74 is already out but FreeBSD 4.1-RC2 contains 4.73 version > yet. Will FreeBSD 4.1-RELEASE contains the last version (4.74) of > Netscape Communicator and Navigator? No. The ports tree has been frozen. Kris -- In God we Trust -- all o

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000, Mark Murray wrote: > > Okay, using RSA keys wasn't the best example to pick, but Yarrow also > > seems easy to misuse in other cases: for example if you want to generate > > multiple 256-bit symmetric keys (or other random data) at the same time, > > each additional key after

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000, Mark Murray wrote: > By your own admission, the old system was bad; yet you still want > ${it}? You'd like to see a programmer with less experience than > Schneier come up with a more secure algorithm than him? The old implementation was bad. The class of algorithm is not, a

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Kris Kennaway
On Sun, 23 Jul 2000, Mark Murray wrote: > Your are missing the point that it is not possible to get more than > the ${number-of-bits-ofrandomness} from any accumulator or PRNG. You > have to draw the line somewhere; The current implementation has it > at 256. Uhh..a PRNG which hashes entropy sam

Netscape

2000-07-23 Thread rosti
Netscape 4.74 is already out but FreeBSD 4.1-RC2 contains 4.73 version yet. Will FreeBSD 4.1-RELEASE contains the last version (4.74) of Netscape Communicator and Navigator? Thanks. To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Mark Murray
> Okay, using RSA keys wasn't the best example to pick, but Yarrow also > seems easy to misuse in other cases: for example if you want to generate > multiple 256-bit symmetric keys (or other random data) at the same time, > each additional key after the first won't contain any additional entropy,

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Mark Murray
> The core of my complaint is that even though our old PRNG did crappy > entropy handling, we used to have such a method, which is now gone. I'd > like to see yarrow hang off /dev/urandom and have /dev/random tap directly > into the entropy pool (perhaps a third pool separate from Yarrow's > fast/

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Mark Murray
> The core of my complaint is that even though our old PRNG did crappy > entropy handling, we used to have such a method, which is now gone. I'd > like to see yarrow hang off /dev/urandom and have /dev/random tap directly > into the entropy pool (perhaps a third pool separate from Yarrow's > fast/

Re: randomdev entropy gathering is really weak

2000-07-23 Thread Mark Murray
> On Sat, 22 Jul 2000, Mark Murray wrote: > > > > So what it if I want/need 257 bits? :-) > > > > Read them. You'll get them. If you want higher quality randomness than > > Yarrow gives, read more than once. Do other stuff; play. Don't get stuck > > in the "I have exhausted the randomness pool"