Re: [GENERAL] Postgresql + digital signature

2008-01-25 Thread Luis Alberto Pérez Paz
Hi Marko, Actually I have it, However I was thinking the problem in a wrong way. In my particular case, the fact of the private key in memory is a good reason for discard the electronic signature, I mean, in order to have a real protection against the data modification I need a TSA (time stamping

Re: [GENERAL] Postgresql + digital signature

2008-01-23 Thread Marko Kreen
On 1/23/08, Luis Alberto Pérez Paz <[EMAIL PROTECTED]> wrote: > Very interesting point of view. > Yes, you're right about the manage key problem. > > The grant database access looks like a real solution. Eh, for some reason I imagined you have have some good reason why simple solutions are not eno

Re: [GENERAL] Postgresql + digital signature

2008-01-23 Thread Luis Alberto Pérez Paz
Very interesting point of view. Yes, you're right about the manage key problem. The grant database access looks like a real solution. Thanks a lot for your advice. Best Regards, Luis Alberto Perez Paz On Jan 23, 2008 11:20 AM, David Wall <[EMAIL PROTECTED]> wrote: > > > We're in a stage wher

Re: [GENERAL] Postgresql + digital signature

2008-01-23 Thread David Wall
We're in a stage where I need to implement a mechanism to prevent the data modification. I'm thinking on 'Digital Signatures' (maybe RSA) in each row. If there's a modification, the signature doesn't verify. Like all such solutions, the key (lame pun intended) is how to do you manage the key

Re: [GENERAL] Postgresql + digital signature

2008-01-23 Thread Marko Kreen
On 1/23/08, Luis Alberto Pérez Paz <[EMAIL PROTECTED]> wrote: > I'm working in a project which is using postgres (great database!, I love > it) > > We're in a stage where I need to implement a mechanism to prevent the data > modification. > > I'm thinking on 'Digital Signatures' (maybe RSA) in each