Re: Web signing?

2008-11-22 Thread Ian G
Nelson B Bolyard wrote: The paper I signed stated that the packages had been inspected and found to be in good order, and released him and his employer from all liability for damage to them. That signature on that paper ultimately cost my employer about $6k (a lot of $$ in 1978), IIRC, and I lea

Re: Web signing?

2008-11-21 Thread Anders Rundgren
What *user* could need is a copy of what was requested to be signed but that is useless unless the request is also signed since a user can fabricate whatever data he/she wants and sign it. But seriously (as Graham Legget wrote), the real use-case needs a receipt (hotel booking, patent filing, purc

Re: Web signing?

2008-11-21 Thread Nelson B Bolyard
Ian G wrote, On 2008-11-20 16:24: > Hi Nelson, welcome to this fun debate :) Thanks. :) > Nelson B Bolyard wrote: >> It seems to me that ANY prudent person would ask that question >> when asked to sign anything. > > Maybe they do; as you and I agree, many people do not. That includes > many b

Re: Web signing?

2008-11-21 Thread Ian G
Graham Leggett wrote: Ian G wrote: I'm saying this is a business problem, and not a security problem. Look at the business of signing, and you will see that the problems are solved in general. E.g., when signing something, there are two copies, one given to each party. If you try and tur

Re: Web signing?

2008-11-21 Thread Anders Rundgren
Ian G wrote: >That wasn't my question. Here's my question again: How do you show any >person afterwards that the person signed it? >I mean: how does Alice look tomorrow in this system to see what she >signed? Next year? How does Bob look next year to see what Alice >signed? How does Trent,

Re: Web signing?

2008-11-20 Thread Graham Leggett
Ian G wrote: That wasn't my question. Here's my question again: How do you show any person afterwards that the person signed it? I mean: how does Alice look tomorrow in this system to see what she signed? Next year? How does Bob look next year to see what Alice signed? How does Trent, s

Re: Web signing?

2008-11-20 Thread Ian G
Hi Nelson, welcome to this fun debate :) Nelson B Bolyard wrote: Ian G wrote, On 2008-11-20 07:53: Graham Leggett wrote: Having designed a system that includes "web signing" using crypto.signtext() for an insurance company to handle claim approvals, I can tell you that the primar

Re: Web signing?

2008-11-20 Thread Nelson B Bolyard
Ian G wrote, On 2008-11-20 06:04 PST: > Nelson Bolyard wrote: > Um. So these tools organise a signature from a client cert over the > text in the form text box, and then post the signature up to the server? Well, I can only speak for what Mozilla browsers do. They generate a "document" that co

Re: Web signing?

2008-11-20 Thread Nelson B Bolyard
Ian G wrote, On 2008-11-20 07:53: > Graham Leggett wrote: >> Having designed a system that includes "web signing" using >> crypto.signtext() for an insurance company to handle claim approvals, I >> can tell you that the primary question of the business people wh

Slamming Web signing

2008-11-20 Thread Anders Rundgren
software. (They have >a lab where each and every version of the software is installed for >testing by assessors.) As you say, there is no solution to the problems you just described so why would I or anybody else spend time on that? >Also when signing a contract by hand I usually g

Re: Web signing?

2008-11-20 Thread Michael Ströder
Ian G wrote: This requires a client-certificate HTTPS connection to the webserver to make it happen? No, this can happen over an insecure http connection. The connection between the browser and server has nothing to do with the crypto.signtext() function. Typically, you would probably want

Re: Web signing?

2008-11-20 Thread Ian G
Graham Leggett wrote: Ian G wrote: Um. So these tools organise a signature from a client cert over the text in the form text box, and then post the signature up to the server? The crypto.signtext() function is given a text string, and the browser UI pops up a dialog box that invites the use

Re: Web signing?

2008-11-20 Thread Graham Leggett
Ian G wrote: OK, that's interesting but equally worrying that the business people were asking that question, above all others. If so, this would suggest to me that your business people had spent too long in the fluffy "do what lawyers say" world, and had forgotten they had a business to run?

Re: Web signing?

2008-11-20 Thread Ian G
h an agreement to sign, you just blindly click on the "accept" button trusting that the agreement that was never read contained nothing harmful to you in any way. Seems like we've all spent some fluffy time :) Having designed a system that includes "web signing" using

Re: Web signing?

2008-11-20 Thread Graham Leggett
Ian G wrote: Um. So these tools organise a signature from a client cert over the text in the form text box, and then post the signature up to the server? The crypto.signtext() function is given a text string, and the browser UI pops up a dialog box that invites the user to read the text, and

Re: Web signing?

2008-11-20 Thread Michael Ströder
Ian G wrote: Nelson Bolyard wrote: Eddy Nigg wrote: On 11/19/2008 05:52 PM, Anders Rundgren: In the meantime, wouldn't it be of some value if Mozilla tried to satisfy a PKI- related activity that in number of users, already is much bigger than S/MIME, i.e. the concept of "Web Signi

Re: Web signing?

2008-11-20 Thread Michael Ströder
Nelson Bolyard wrote: Eddy Nigg wrote: On 11/19/2008 05:52 PM, Anders Rundgren: In the meantime, wouldn't it be of some value if Mozilla tried to satisfy a PKI- related activity that in number of users, already is much bigger than S/MIME, i.e. the concept of "Web Signing"

Re: Web signing?

2008-11-20 Thread Michael Ströder
have a lab where each and every version of the software is installed for testing by assessors.) Also when signing a contract by hand I usually get a physical copy of it which I can archive. That's not the case when doing web-signing. That's another important flaw of that scheme. Ciao, Mi

Re: Web signing?

2008-11-20 Thread Ian G
Nelson Bolyard wrote: Eddy Nigg wrote: On 11/19/2008 05:52 PM, Anders Rundgren: In the meantime, wouldn't it be of some value if Mozilla tried to satisfy a PKI- related activity that in number of users, already is much bigger than S/MIME, i.e. the concept of "Web Signing"

Re: Web signing?

2008-11-20 Thread Graham Leggett
you have spent too long in the fluffy "who cares" world where when presented with an agreement to sign, you just blindly click on the "accept" button trusting that the agreement that was never read contained nothing harmful to you in any way. Having designed a system that incl

Re: Web signing?

2008-11-20 Thread Anders Rundgren
-and-mortar shops is ultimately the most important application for the suggested scheme. Since this list doesn't really work with payments, I won't bore you to death with how this is supposed to work, but it does! Anders If you really want to test Web Signing you can try this proxy setup htt

Web signing?

2008-11-19 Thread Nelson Bolyard
Eddy Nigg wrote: > On 11/19/2008 05:52 PM, Anders Rundgren: >> In the meantime, wouldn't it be of some value if Mozilla tried to >> satisfy a PKI- >> related activity that in number of users, already is much bigger than >> S/MIME, >> i.e. the concept of "

Web Signing. Re: Slamming S/MIME. Re: How-to guide for email encryption

2008-11-19 Thread Anders Rundgren
Collective posting to save list-space. Aka "green" posting :-) Eddy Nigg wrote: >> i.e. the concept of "Web Signing"? >What is this supposed to be? Perhaps I missed it? Ian G wrote: >What is "Web Signing?" >And, what are the requirements? As I w