Re: Question regarding shared keys

2011-02-28 Thread David Shaw
On Feb 28, 2011, at 2:07 AM, Denise Schmid wrote: It depends on what you mean by a shared key. There is just giving a copy of the key to multiple people (in which case any one of them can use it), or there are various key splitting algorithms where a key is broken into a number of pieces,

Re: Question regarding shared keys

2011-02-28 Thread vedaal
Date: Mon, 28 Feb 2011 08:07:03 +0100 From: Denise Schmid chinati...@gmx.ch To: gnupg-users@gnupg.org Subject: Re: Question regarding shared keys Message-ID: 20110228070703.164...@gmx.net Content-Type: text/plain; charset=utf-8 Does this mean that, if you want to encrypt a file, everybody has

Re: Question regarding shared keys

2011-02-28 Thread M.R.
On 02/28/2011 07:07 AM, Denise Schmid wrote: ...The background of my question is that a company claims that one of their managers has forgotten the key and therefore, they can't decrypt some files. Do you know what program was used to encrypt the files? Mark R.

Re: Question regarding shared keys

2011-02-28 Thread Grant Olson
On 2/28/11 2:07 AM, Denise Schmid wrote: It depends on what you mean by a shared key. There is just giving a copy of the key to multiple people (in which case any one of them can use it), or there are various key splitting algorithms where a key is broken into a number of pieces, and a

Re: Question regarding shared keys

2011-02-28 Thread Denise Schmid
Thanks all for your help. Now, the story gets even more funny: They claim to have used PGP split-key, then encrypted the files with a randomized key, then encrypted the key with individual keys. So far so bad. But now comes the best: They claim that, because one of the managers wasn't able to

Re: Question regarding shared keys

2011-02-28 Thread David Tomaschik
On 02/28/2011 05:38 PM, Denise Schmid wrote: Thanks all for your help. Now, the story gets even more funny: They claim to have used PGP split-key, then encrypted the files with a randomized key, then encrypted the key with individual keys. So far so bad. But now comes the best: They

Re: Question regarding shared keys

2011-02-28 Thread Denise Schmid
Is this a movie? lol... worse: it is reality. I hope I'll be able to post the docs one day soon... -- GMX DSL Doppel-Flat ab 19,99 Euro/mtl.! Jetzt mit gratis Handy-Flat! http://portal.gmx.net/de/go/dsl ___ Gnupg-users mailing list

Re: Question regarding shared keys

2011-02-28 Thread Scott Lambdin
On Mon, Feb 28, 2011 at 5:38 PM, Denise Schmid chinati...@gmx.ch wrote: Thanks all for your help. Now, the story gets even more funny: They claim to have used PGP split-key, then encrypted the files with a randomized key, then encrypted the key with individual keys. So far so bad. But now

Question regarding shared keys

2011-02-27 Thread Denise Schmid
Hello list, first of all: Sorry if my question reaches the wrong list, but I have a question someone on this list may probably answer easily. If a company has shared keys: How does encryption work then? Are several owners of a share needed to encrypt data? I just try to find out how it works

Re: Question regarding shared keys

2011-02-27 Thread David Shaw
On Feb 27, 2011, at 8:25 PM, Denise Schmid wrote: Hello list, first of all: Sorry if my question reaches the wrong list, but I have a question someone on this list may probably answer easily. If a company has shared keys: How does encryption work then? Are several owners of a share

Re: Question regarding shared keys

2011-02-27 Thread Denise Schmid
It depends on what you mean by a shared key. There is just giving a copy of the key to multiple people (in which case any one of them can use it), or there are various key splitting algorithms where a key is broken into a number of pieces, and a specified subset of those pieces can come