Impressive crypto numbers for VIA's latest C3

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Sunner

Elite Member
Oct 9, 1999
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Theo de Raadt posted some numbers over at deadly.org.
Seems like one of the mini-ITX mobos with dual ethernet ports and one of the new C3's would make a kickass firewall.
 
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n0cmonkey

Elite Member
Jun 10, 2001
42,936
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I'm planning on buying one for my next firewall. Those numbers are absolutely amazing. Possibly the coolest thing to happen in PC processors since x86-64 ;)

Combine the Nehemia C3 (533mhz -fanless), a fanless powersupply, a 2 ethernet motherboard, maybe a wireless PCI or USB adapter, and a small spot under the desk and you have a low power solution for firewalling and wireless access points running OpenBSD. Or atleast that's my plan :D
 
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n0cmonkey

Elite Member
Jun 10, 2001
42,936
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Originally posted by: Sunner
I was thinking something along those lines too :)

Let us know how it goes.
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It won't be happening for another month or two, but I'll post something up when I'm done with it. I'm doing about the same thing with my pentium 133 now, but there are a few differences ;)
 
MichaelD

MichaelD

Lifer
Jan 16, 2001
31,528
3
76
Interesting read. You don't hear much about the Via C3 these days. It's quite an accomplishment, really. Good find. :)
 
mcveigh

mcveigh

Diamond Member
Dec 20, 2000
6,457
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what about a case for it? I have had the same thought but I want a small cheap case. all the ones I see are either too big, too small or way expensive.
 
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Sunner

Elite Member
Oct 9, 1999
11,641
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Originally posted by: mcveigh
what about a case for it? I have had the same thought but I want a small cheap case. all the ones I see are either too big, too small or way expensive.
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I've seen them around $75 for a chassi including the PSU.
 
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buleyb

Golden Member
Aug 12, 2002
1,301
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Just to point out, Rijndael was chosen for AES partially because of its ability to be efficiently implemented in hardware. This shows how good it really is :)
 
Jeff7

Jeff7

Lifer
Jan 4, 2001
41,596
20
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Speaking of security, didn't Intel come up with a chip awhile ago that could produce truly random numbers, based on electron noise? Whatever happened to that? If anyone knows of this, maybe you could post a link. I know it was a few years ago that I read about it though.
 
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n0cmonkey

Elite Member
Jun 10, 2001
42,936
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Originally posted by: Jeff7
Speaking of security, didn't Intel come up with a chip awhile ago that could produce truly random numbers, based on electron noise? Whatever happened to that? If anyone knows of this, maybe you could post a link. I know it was a few years ago that I read about it though.
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I don't know if there is such a thing as truly random numbers. I know Intel has a RNG built into quite a few of their motherboards. I think the i810 chipset was among the first to have the chip.

Intel 82802 random number generator found on i810, i815, i820, i840, i850 and i860 based systems.
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From this OpenBSD page.
 
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buleyb

Golden Member
Aug 12, 2002
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Originally posted by: n0cmonkey
Originally posted by: Jeff7
Speaking of security, didn't Intel come up with a chip awhile ago that could produce truly random numbers, based on electron noise? Whatever happened to that? If anyone knows of this, maybe you could post a link. I know it was a few years ago that I read about it though.
Click to expand...

I don't know if there is such a thing as truly random numbers. I know Intel has a RNG built into quite a few of their motherboards. I think the i810 chipset was among the first to have the chip.
]
Click to expand...

Agreed. If you take something that in theory is random, and apply it to a process, a pattern is unavoidable.
 
Jeff7

Jeff7

Lifer
Jan 4, 2001
41,596
20
81
Originally posted by: buleyb
Originally posted by: n0cmonkey
Originally posted by: Jeff7
Speaking of security, didn't Intel come up with a chip awhile ago that could produce truly random numbers, based on electron noise? Whatever happened to that? If anyone knows of this, maybe you could post a link. I know it was a few years ago that I read about it though.
Click to expand...

I don't know if there is such a thing as truly random numbers. I know Intel has a RNG built into quite a few of their motherboards. I think the i810 chipset was among the first to have the chip.
]
Click to expand...

Agreed. If you take something that in theory is random, and apply it to a process, a pattern is unavoidable.
Click to expand...

Random.org can give truly random numbers. I'll have to read that entire page there when I get time; they give a few sources of entropy though - radioactive decay, atmospheric noise, lava lamps, CCD's...
 
zephyrprime

zephyrprime

Diamond Member
Feb 18, 2001
7,512
2
81
Speaking of security, didn't Intel come up with a chip awhile ago that could produce truly random numbers, based on electron noise? Whatever happened to that? If anyone knows of this, maybe you could post a link. I know it was a few years ago that I read about it though.
Click to expand...
Yes, I remember this. It's actually pretty easy to do. I had a lab in physics involving the effect once. The technique is apparently implemented in the C3. Go figure.
 
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MercenaryForHire

Lifer
Jan 31, 2002
40,819
2
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Originally posted by: zephyrprime
Speaking of security, didn't Intel come up with a chip awhile ago that could produce truly random numbers, based on electron noise? Whatever happened to that? If anyone knows of this, maybe you could post a link. I know it was a few years ago that I read about it though.
Click to expand...
Yes, I remember this. It's actually pretty easy to do. I had a lab in physics involving the effect once. The technique is apparently implemented in the C3. Go figure.
Click to expand...

PadLock, they call it.

For the truly hardcore, Cryptography.org has a review here

- M4H
 
ElFenix

ElFenix

Elite Member
Super Moderator
Mar 20, 2000
102,402
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NSA makes up random numbers all the time by monitoring atmospheric white noise
 
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n0cmonkey

Elite Member
Jun 10, 2001
42,936
1
0
Originally posted by: Sunner
Originally posted by: MercenaryForHire
Originally posted by: ElFenix
NSA makes up random numbers all the time by monitoring atmospheric white noise
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I'd rather have a VIA C3 than the NSA in my machine. ;)

- M4H
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Starting with Fedora Core 2, anyone installing it will have a little NSA in their box ;)

http://www.nsa.gov/selinux/.
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It's like a Cap'n Crunch commercial: "A little NSA in every box!"
 
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