Re: AW: [Mailman-Developers] Secure Mailing Lists

2003-11-28 Thread Simone Piunno
On Friday 28 November 2003 13:02, Dietmar Maurer wrote: > Another problem I see is that PGP/MIME format. If I implement such > secure lists I need to decode mails in that format. You probably need also to *send* mails in that format! That's the format recommended by RFC2440, so at least you shou

AW: [Mailman-Developers] Secure Mailing Lists

2003-11-28 Thread Dietmar Maurer
>> >> Actually, you can encrypt the message once, to each of the keys >> >> of each of the people on the list. You don't have to do multiple >> >> encryptions. That would save a hell of a lot of >processing overhead. Another problem I see is that PGP/MIME format. If I implement such secure li

Re: AW: [Mailman-Developers] Secure Mailing Lists

2003-11-28 Thread Simone Piunno
Alle 09:53, venerdì 28 novembre 2003, Dietmar Maurer ha scritto: > >>Actually, you can encrypt the message once, to each of the keys > >> of each of the people on the list. You don't have to do multiple > >> encryptions. That would save a hell of a lot of processing overhead. > Sorry, I don

Re: AW: [Mailman-Developers] Secure Mailing Lists

2003-11-28 Thread Brad Knowles
At 9:53 AM +0100 2003/11/28, Dietmar Maurer wrote: Sorry, I dont underdstand that suggestion. You want to put several encrypted messages into one mail? No. (I dont know much about public key systems). That would increase the size of the message? Or is it pos

AW: [Mailman-Developers] Secure Mailing Lists

2003-11-28 Thread Dietmar Maurer
>On Thu, 2003-11-27 at 17:07, Brad Knowles wrote: >> At 1:12 PM -0500 2003/11/27, Barry Warsaw wrote: >> >> > - Obviously you're going to do personalized deliveries, >so for any such >> > list you'll probably want to disable digests. >> >> Actually, you can encrypt the message once, to ea

Re: [Mailman-Developers] Secure Mailing Lists

2003-11-27 Thread Barry Warsaw
On Thu, 2003-11-27 at 17:07, Brad Knowles wrote: > At 1:12 PM -0500 2003/11/27, Barry Warsaw wrote: > > > - Obviously you're going to do personalized deliveries, so for any such > > list you'll probably want to disable digests. > > Actually, you can encrypt the message once, to each of th

Re: [Mailman-Developers] Secure Mailing Lists

2003-11-27 Thread Brad Knowles
At 1:12 PM -0500 2003/11/27, Barry Warsaw wrote: - Obviously you're going to do personalized deliveries, so for any such list you'll probably want to disable digests. Actually, you can encrypt the message once, to each of the keys of each of the people on the list. You don't have to do multip

Re: [Mailman-Developers] Secure Mailing Lists

2003-11-27 Thread Barry Warsaw
On Thu, 2003-11-27 at 10:49, Dietmar Maurer wrote: > Hi all, > > we are looking for a solution to implement secure mailing lists. We need the > following behaviour: > > 1.) A secure mailing list has an assiciated PGP Key. > 2.) postings to the list are encrypted with the public key of the list.

Re: [Mailman-Developers] Secure Mailing Lists

2003-11-27 Thread J C Lawrence
On Thu, 27 Nov 2003 16:49:58 +0100 Dietmar Maurer <[EMAIL PROTECTED]> wrote: > Hi all, we are looking for a solution to implement secure mailing > lists. We need the following behaviour: Architecturally it can be accomplished at either the MLM or MTA level without enourmous difficulty. The prob

[Mailman-Developers] Secure Mailing Lists

2003-11-27 Thread Dietmar Maurer
Hi all, we are looking for a solution to implement secure mailing lists. We need the following behaviour: 1.) A secure mailing list has an assiciated PGP Key. 2.) postings to the list are encrypted with the public key of the list. 3.) The list server decrypts the message, and then, for each list