Re: sign and timestamp

2007-10-05 Thread Gábri Máté
? wrote: >> There'll be two main servers, a web server and a sql server. We have to >> insert a timestamp and a signature in the specified rows of tables. >> Periodically the sql server will make pdf documents from the data and we >> have to sign and timestamp these do

Re: sign and timestamp

2007-10-05 Thread Douglas A. Tutty
we > have to sign and timestamp these docs too. I also have to set up a > firewall and a backup server, both of them will be OBSD. > After what all of You wrote i guess one of the OBSD servers will act as > the timestamping machine with the method of issuing a time file > periodically,

Re: sign and timestamp

2007-10-04 Thread Gábri Máté
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 There'll be two main servers, a web server and a sql server. We have to insert a timestamp and a signature in the specified rows of tables. Periodically the sql server will make pdf documents from the data and we have to sign and timestamp these

Re: sign and timestamp

2007-10-04 Thread Joachim Schipper
On Wed, Oct 03, 2007 at 05:21:09PM -0700, Ted Unangst wrote: > On 10/3/07, Gabri Mati <[EMAIL PROTECTED]> wrote: > > I've read a lot about timestamping a document, but dunno how it works in > > practice. How can i apply a timestamp to a digitally signed or encrypted > > document? Like i encrypt or

Re: sign and timestamp

2007-10-03 Thread Douglas A. Tutty
On Wed, Oct 03, 2007 at 09:45:30PM +0200, G?bri M?t? wrote: > > A service will gather data in a database and this data has to be signed > and timestamped for security reasons, and the archives of these data are > also need to signed and timestamped. The data will be used for internal > purposes, s

Re: sign and timestamp

2007-10-03 Thread Ted Unangst
On 10/3/07, Gabri Mati <[EMAIL PROTECTED]> wrote: > I've read a lot about timestamping a document, but dunno how it works in > practice. How can i apply a timestamp to a digitally signed or encrypted > document? Like i encrypt or sign a document with gnupg, but before the > process how can i timest

Re: sign and timestamp

2007-10-03 Thread Joachim Schipper
On Wed, Oct 03, 2007 at 10:40:28PM +0200, G?bri M?t? wrote: > Yes, but i wan't to solve this without an outsider for practical reasons. > > Gabri Mate > [EMAIL PROTECTED] > DUOSOL Bt. > http://www.duosol.hu > > > Joachim Schipper mrta: > > On Wed, Oct 03, 2007 at 06:21:53PM +0200, G??bri M??t??

Re: sign and timestamp

2007-10-03 Thread Steve McConville
> I don't know if there's an accepted strategy, but if I had to create one > from scratch, off the top of my head I'm thinking some time of time > server. It would have to publish a signed file of the current time, say > once per minute, so that you could include the hash in the above noted > tarb

Re: sign and timestamp

2007-10-03 Thread Stuart Henderson
On 2007/10/03 21:36, Joachim Schipper wrote: > On Wed, Oct 03, 2007 at 06:21:53PM +0200, G??bri M??t?? wrote: > > Hey there! > > > > I've read a lot about timestamping a document, but dunno how it works in > > practice. How can i apply a timestamp to a digitally signed or encrypted > > document? L

Re: sign and timestamp

2007-10-03 Thread Gábri Máté
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Yes, but i wan't to solve this without an outsider for practical reasons. Gabri Mate [EMAIL PROTECTED] DUOSOL Bt. http://www.duosol.hu Joachim Schipper mrta: > On Wed, Oct 03, 2007 at 06:21:53PM +0200, G??bri M??t?? wrote: >> Hey there! >> >> I've r

Re: sign and timestamp

2007-10-03 Thread Gábri Máté
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 A service will gather data in a database and this data has to be signed and timestamped for security reasons, and the archives of these data are also need to signed and timestamped. The data will be used for internal purposes, so another internal serve

Re: sign and timestamp

2007-10-03 Thread Joachim Schipper
On Wed, Oct 03, 2007 at 06:21:53PM +0200, G??bri M??t?? wrote: > Hey there! > > I've read a lot about timestamping a document, but dunno how it works in > practice. How can i apply a timestamp to a digitally signed or encrypted > document? Like i encrypt or sign a document with gnupg, but before t

Re: sign and timestamp

2007-10-03 Thread Douglas A. Tutty
Without a mutually-trusted source of time "cookies", it depends on specific needs. Further infomation on the nature of the transaction is required since I haven't heard of a pre-packaged oss application. Doug. On Wed, Oct 03, 2007 at 08:36:37PM +0200, G?bri M?t? wrote: > Sorry i wasn't totally

Re: sign and timestamp

2007-10-03 Thread Gábri Máté
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Sorry i wasn't totally specific. Yes, later on the reciever need to verify the timestamp. I was looking for an oss application but couldn't find any for timestamping. Gabri Mate [EMAIL PROTECTED] DUOSOL Bt. http://www.duosol.hu Douglas A. Tutty mrta

Re: sign and timestamp

2007-10-03 Thread Douglas A. Tutty
On Wed, Oct 03, 2007 at 06:21:53PM +0200, G??bri M??t?? wrote: > I've read a lot about timestamping a document, but dunno how it works in > practice. How can i apply a timestamp to a digitally signed or encrypted > document? Like i encrypt or sign a document with gnupg, but before the > process how

sign and timestamp

2007-10-03 Thread Gábri Máté
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hey there! I've read a lot about timestamping a document, but dunno how it works in practice. How can i apply a timestamp to a digitally signed or encrypted document? Like i encrypt or sign a document with gnupg, but before the process how can i times