alphasigmax at gmail.com
Sat Nov 5 04:17:08 CET 2005
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David Shaw wrote:
> On Fri, Nov 04, 2005 at 02:24:09PM -0500, David Shaw wrote:
>>On Fri, Nov 04, 2005 at 10:15:16PM +0300, Pawel Shajdo wrote:
>>>Can somebody explain me what is "back signatures"?
>>>Manual not very clear about this.
>>It's a countermeasure against an attack against signing subkeys.
>>Basically, the primary key signs all subkeys. With backsigs, the
>>signing subkey also signs the primary key.
>>Without this, an attacker can "steal" a signing subkey from someone
>>else and try and pretend that a signature came from his own key. It's
>>not a particularly good attack: the attacker can't issue signatures to
>>prove his ownership.
> I should add that this is a new feature for 1.4.3.
Has 1.4.3 been officially released yet?
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