Re: Iso image integrity verification

2013-09-13 Thread Paul Irofti
Physical email is as susceptible to MITM attacks as network connections. I know a story of laptops entering the mail system and car springs coming out the other end in the same box. :-) Yes, the MITM was DPD. Great currier. I recommand it to everyone. NOT!

Re: Iso image integrity verification

2013-09-13 Thread Paul Irofti
Yes, the MITM was DPD. Great currier. I recommand it to everyone. NOT! ^courier

Re: Iso image integrity verification

2013-09-13 Thread Peter N. M. Hansteen
On Fri, Sep 13, 2013 at 10:32:43AM +0300, Paul Irofti wrote: Yes, the MITM was DPD. Great currier. I recommand it to everyone. NOT! ^courier the two aren't necessarily mutually exclusive ;) - P -- Peter N. M. Hansteen, member of the first RFC 1149

Re: Iso image integrity verification

2013-09-13 Thread Valentin Zagura
Security itself is not the primary issue here. The issue is to easily prove an assessor without reasonable doubt that you are running the right thing. They will not worry about governments trying to break in with MITM signed ssl or about armies breaking in with the tanks. But they would worry

Re: Iso image integrity verification

2013-09-13 Thread Henning Brauer
* Valentin Zagura put...@gmail.com [2013-09-13 10:15]: Security itself is not the primary issue here. The issue is to easily prove an assessor without reasonable doubt that you are running the right thing. They will not worry about governments trying to break in with MITM signed ssl or about

Re: Iso image integrity verification

2013-09-13 Thread Brandon Mercer
We've all expressed reasonable doubt. In the US you can be assured that the USPS will open, scan, read, and deliver your mail. So it's reasonable to believe that they may also tamper with your openbsd CD's. Just buy the disks, let this thread die along with the stupidity of PCI-DSS (which I've

Re: Iso image integrity verification

2013-09-13 Thread max stalnaker
People, Let me mention my sadness at trying to research this. 1. The PCI-DDS v 2.0 pdf is behind a click through that proports to create a binding legal contract. So the boilerplate looked okay but there was a warning about the document mayhaps being a controlled munition. I was irritated and

Re: Iso image integrity verification

2013-09-13 Thread Ted Unangst
I think you're in trouble. Some of the software on the openbsd CDs was written by me, and I never made any promises it's safe to use on an important server. Not that you should trust me even if I did make such a promise. It's software you're getting from the Internet. Made by people from the

Re: Iso image integrity verification

2013-09-13 Thread Justin Fletcher
Commercial software is the same. They make it clear that no promises are made that the software is fit for any particular purpose in the EULA. My assumption is making such a promise would hold them accountable when it failed, and I doubt any company would find it profitable to invest in enough

Re: Iso image integrity verification

2013-09-12 Thread InterNetX - Robert Garrett
The real problem here is that in order to be added to certain lists of trusted PKI providers, you must be audited by security Assessors one of the things they look for is proof that the software your using isnt tampered with. It appears the OP is trying to solve that issue. EVEN using the CD

Re: Iso image integrity verification

2013-09-12 Thread Kenneth R Westerback
On Thu, Sep 12, 2013 at 10:49:30AM +0200, InterNetX - Robert Garrett wrote: The real problem here is that in order to be added to certain lists of trusted PKI providers, you must be audited by security Assessors one of the things they look for is proof that the software your using isnt

Re: Iso image integrity verification

2013-09-12 Thread Otto Moerbeek
On Thu, Sep 12, 2013 at 09:22:51AM -0400, Kenneth R Westerback wrote: On Thu, Sep 12, 2013 at 10:49:30AM +0200, InterNetX - Robert Garrett wrote: The real problem here is that in order to be added to certain lists of trusted PKI providers, you must be audited by security Assessors one of

Re: Iso image integrity verification

2013-09-12 Thread Kenneth R Westerback
On Thu, Sep 12, 2013 at 07:52:22PM +0300, Valentin Zagura wrote: There is no entity that owns or can be held responsible for the code, or is capable of providing a solid evidentuary path from commit to your hands. I thought if we buy the CDs we WILL get a solid evidentuary path from

Re: Iso image integrity verification

2013-09-12 Thread Daniel Bolgheroni
On Thu, Sep 12, 2013 at 07:52:22PM +0300, Valentin Zagura wrote: I thought if we buy the CDs we WILL get a solid evidentuary path from commit to our hands. So this isn't the case? You'll be safe enough.

Re: Iso image integrity verification

2013-09-12 Thread sven falempin
Can the project wire an explosive booby trap inside the CD box to ensure that any sneaky postman is blown away by the awesomeness of openBSD ? (for a decent supplementary fee of course) On Thu, Sep 12, 2013 at 6:56 PM, Kenneth R Westerback kwesterb...@rogers.com wrote: On Thu, Sep 12, 2013

Iso image integrity verification

2013-09-11 Thread Valentin Zagura
Hi, We are going to use a OpenBSD system in a PCI-DSS compliant environment. Is there any way we can prove to our PCI-DSS assessor that the OpenBSD image we use for our installation can be checked so that it is the correct one (is not modified in a malicious way by a third party) ? A https link

Re: Iso image integrity verification

2013-09-11 Thread Stan Gammons
The sha256 file located in the directory with the installxx.iso image has the sha256 checksum for all of the files in that directory. On Sep 11, 2013, at 5:49 AM, Valentin Zagura put...@gmail.com wrote: Hi, We are going to use a OpenBSD system in a PCI-DSS compliant environment. Is there

Re: Iso image integrity verification

2013-09-11 Thread Valentin Zagura
Yes, we know, but that file can also be easily compromised if it's not available for download with a secure protocol (HTTPS) On Wed, Sep 11, 2013 at 1:59 PM, Stan Gammons s_gamm...@charter.net wrote: The sha256 file located in the directory with the installxx.iso image has the sha256 checksum

Re: Iso image integrity verification

2013-09-11 Thread Otto Moerbeek
On Wed, Sep 11, 2013 at 03:17:20PM +0300, Valentin Zagura wrote: Yes, we know, but that file can also be easily compromised if it's not available for download with a secure protocol (HTTPS) So get the CD. You'll support the project as well. -Otto On Wed, Sep 11, 2013 at 1:59 PM,

Re: Iso image integrity verification

2013-09-11 Thread Beavis
+1 on this, to make sure that your OpenBSD Distribution is legit, get the CD, support the project! what more could you ask for ;) On Wed, Sep 11, 2013 at 4:58 AM, Peter N. M. Hansteen pe...@bsdly.netwrote: On Wed, Sep 11, 2013 at 01:49:14PM +0300, Valentin Zagura wrote: We are going to use

Re: Iso image integrity verification

2013-09-11 Thread sven falempin
I love the stickers to enclose the box when getting a CD release, probably easy to forge but so cool :-) On Wed, Sep 11, 2013 at 9:00 AM, Beavis pfu...@gmail.com wrote: +1 on this, to make sure that your OpenBSD Distribution is legit, get the CD, support the project! what more could you ask

Re: Iso image integrity verification

2013-09-11 Thread Valentin Zagura
Thanks for the suggestion, we will probably order the CD. But on the other hand, I hope that you realize that people in some countries (Iran, China, Egypt, Syria) would not have this possibility and they could be more affected by a compromise than we would be (they might probably pay with their

Re: Iso image integrity verification

2013-09-11 Thread Janne Johansson
So you publish something on a HTTPS page, which means that when the browser says green padlock, it only says: this site was using a key signed by someone who in turn was signed by someone out of a few hundred CAs in a list which include companies in scary countries*. That will help a lot. *)

Re: Iso image integrity verification

2013-09-11 Thread InterNetX - Robert Garrett
also means somebody paid a lot of money for that green bar On 09/11/2013 04:46 PM, Janne Johansson wrote: So you publish something on a HTTPS page, which means that when the browser says green padlock, it only says: this site was using a key signed by someone who in turn was signed by someone

Re: Iso image integrity verification

2013-09-11 Thread Valentin Zagura
That could also mean This is THE openbsd.org site if you're using eff ssl observatory. On Wed, Sep 11, 2013 at 5:46 PM, Janne Johansson icepic...@gmail.comwrote: So you publish something on a HTTPS page, which means that when the browser says green padlock, it only says: this site was using a

Re: Iso image integrity verification

2013-09-11 Thread Marc Espie
On Wed, Sep 11, 2013 at 05:36:45PM +0300, Valentin Zagura wrote: Thanks for the suggestion, we will probably order the CD. But on the other hand, I hope that you realize that people in some countries (Iran, China, Egypt, Syria) would not have this possibility and they could be more affected

Re: Iso image integrity verification

2013-09-11 Thread Janne Johansson
And from that we can deduce what? $evil_country can't spend $10k to be able to intercept and silently MITM all https? 2013/9/11 InterNetX - Robert Garrett robert.garr...@internetx.com also means somebody paid a lot of money for that green bar On 09/11/2013 04:46 PM, Janne Johansson wrote:

Re: Iso image integrity verification

2013-09-11 Thread Stuart Henderson
On 2013/09/11 16:46, Janne Johansson wrote: So you publish something on a HTTPS page, which means that when the browser says green padlock, it only says: this site was using a key signed by someone who in turn was signed by someone out of a few hundred CAs in a list which include companies in

Re: Iso image integrity verification

2013-09-11 Thread System Administrator
I think you are missing two very important points that are addressed in the official documentation and have been pointed out to you by other respondents: 1. what you are asking for provides NO real added security, and perhaps just the opposite through FALSE SENSE of security, and 2. the fact

Re: Iso image integrity verification

2013-09-11 Thread Valentin Zagura
I don't think I'm more paranoid than the average considering that Debian has a way to do this (http://www.debian.org/CD/verify), fedora has a way to do this (https://fedoraproject.org/verify), even Freebsd has a way to do this ( https://www.freebsd.org/releases/9.1R/announce.html). The thought of

Re: Iso image integrity verification

2013-09-11 Thread Brandon Mercer
There's literally the same thing on the mirror? http://ftp.openbsd.org/pub/OpenBSD/snapshots/amd64/SHA256 On Wed, Sep 11, 2013 at 1:53 PM, Valentin Zagura put...@gmail.com wrote: I don't think I'm more paranoid than the average considering that Debian has a way to do this

Re: Iso image integrity verification

2013-09-11 Thread Brynet
On Wed, Sep 11, 2013 at 01:57:22PM -0400, Brandon Mercer wrote: There's literally the same thing on the mirror? http://ftp.openbsd.org/pub/OpenBSD/snapshots/amd64/SHA256 This discussion is probably more suited for misc@, but as Brandon wrote, SHA256 checksums are on all the mirrors. If you

Re: Iso image integrity verification

2013-09-11 Thread Daniel Bolgheroni
On Wed, Sep 11, 2013 at 03:17:20PM +0300, Valentin Zagura wrote: Yes, we know, but that file can also be easily compromised if it's not available for download with a secure protocol (HTTPS) If you're paranoid, build your own hardware from the ground up, including designing your own CPU and

Re: Iso image integrity verification

2013-09-11 Thread sven falempin
maintaining a mirror and a cvs sync tree is quite good too. morevover you cloud have some https on your mirror On Wed, Sep 11, 2013 at 1:53 PM, Valentin Zagura put...@gmail.com wrote: I don't think I'm more paranoid than the average considering that Debian has a way to do this

Re: Iso image integrity verification

2013-09-11 Thread Valentin Zagura
If I were a dissident in one of those countries, I would not trust a third party with my life (but maybe I'm too paranoid). AFAIK OpenBSD is Canada, not US, but again, I might be wrong.

Re: Iso image integrity verification

2013-09-11 Thread Kenneth R Westerback
On Wed, Sep 11, 2013 at 08:53:50PM +0300, Valentin Zagura wrote: I don't think I'm more paranoid than the average considering that Debian has a way to do this (http://www.debian.org/CD/verify), fedora has a way to do this (https://fedoraproject.org/verify), even Freebsd has a way to do this (

Re: Iso image integrity verification

2013-09-11 Thread John Long
On Wed, Sep 11, 2013 at 08:42:46PM +0300, Valentin Zagura wrote: The idea was to display a checksum of the files on such a https page. Like for example https://www.freebsd.org/releases/9.1R/announce.html at the bottom of the page. On Wed, Sep 11, 2013 at 7:18 PM, Stuart Henderson

Re: Iso image integrity verification

2013-09-11 Thread Valentin Zagura
I was saying that other projects do it in a way they feel comfortable with and maybe you will find a way to do it that you are comfortable with. Using https was one simple idea. I understand that you don't think that this adds any value but maybe there are other ways like signing with PGP, maybe

Re: Iso image integrity verification

2013-09-11 Thread Ville Valkonen
On 11 September 2013 20:42, Valentin Zagura put...@gmail.com wrote: The idea was to display a checksum of the files on such a https page. Like for example https://www.freebsd.org/releases/9.1R/announce.html at the bottom of the page. Not sure whether this is already proposed but here's my two

Re: Iso image integrity verification

2013-09-11 Thread Stuart Henderson
On 2013/09/12 00:55, Ville Valkonen wrote: Not sure whether this is already proposed but here's my two cents: why not to check SHA256 sums from the various mirrors and perform the comparison? -- Cheers, Ville Valkonen How does this help prove that the files haven't been tampered with?