Douglas E. Warner wrote:
> On Friday 28 March 2008 05:31:27 Onno Ekker wrote:
>   
>> I don't really see why end-users would believe they now have safe
>> downloads. To the user, the only thing that has changed, is that they
>> can start the download from a secure website, but they can't see that
>> the file is also verified and they cannot verify the file themselves,
>> since you don't display the md5sum. The download itself is still from an
>> unsecure website, so the user could download another file than he thinks.
>>     
>
> The security comes from using InstallTrigger which will verify the hash 
> against the downloaded file for the user automatically.  This hash is served 
> from a secure website, therefore the hash can be trusted.  The file can then 
> be downloaded from anywhere and compared against the trusted hash.
>   
Ah. Now I get it. I missed the link with InstallTrigger:
http://developer.mozilla.org/en/docs/Installing_Extensions_and_Themes_From_Web_Pages

So it's for Installing only. And then probably only for Firefox (and 
Seamonkey / Mozilla,...) extensions / themes, but not for Thunderbird 
Extensions. The xpis I added and verified were Thunderbird only 
extensions, so that will probably have very limited use...

Onno
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