Hi all,
On Mon, Apr 20, 2020 at 09:49:11PM +0100, Ian Collier wrote:
> As Arnt has implied, the current method of generating the Message-ID
> does not *guarantee* uniqueness; merely makes it highly improbable to
> be non-unique. The thing is that we are not just concerned with other
> instances o
On 2020-04-20 21:56:43 +0200, Arnt Gulbrandsen wrote:
> I chose to hash in a similar situation. Basically I pass the entire message
> through MD5 or another hash, then base64.
>
> A proper hash (even MD5) is indistinguishable from pure randomness if you
> have no knowledge of the input, and hashin
On 2020-04-20 19:57:23 +0200, Gero Treuner wrote:
> This is necessary to stay on the deterministic track: For this we
> require that different Mutt instances use information which differs by
> the pid and time/sequence number at some point, which is the data fed to
> the hash algorithm.
OK, that w
On 2020-04-20 21:49:11 +0100, Ian Collier wrote:
> On Mon, Apr 20, 2020 at 07:08:07PM +0200, Gero Treuner wrote:
> > The concern is that the inputs based on local and/or private information
> > can be leaked. To achieve this the search space must be big enough.
> [heavily snipped, of course]
> > We
On Tue, Apr 21, 2020 at 11:16:03PM +0200, Vincent Lefevre wrote:
> This is a user-side problem. Users should make sure that their
> hostname setting is unique (possibly with a very high probability,
> assuming no attacks). See below.
No. The hostname is what goes after the @ in your default email
On Tue, Apr 21, 2020 at 10:54:25PM +0200, Vincent Lefevre wrote:
> On 2020-04-20 19:57:23 +0200, Gero Treuner wrote:
> > This is necessary to stay on the deterministic track: For this we
> > require that different Mutt instances use information which differs by
> > the pid and time/sequence number
Vincent Lefevre wrote in
<20200421205425.gb838...@zira.vinc17.org>:
|On 2020-04-20 19:57:23 +0200, Gero Treuner wrote:
...
|> If we don't want to be deterministic, then I don't see a major advantage
|> of hash functions compared to random data.
|
|In this case you need to make sure that such