That part is easy because it could be a open script with probably less then
10 lines of code.

On Tue, Sep 15, 2015 at 12:23 PM, J Fernyhough <j.fernyho...@gmail.com>
wrote:

> And how would you know the Ubuntu-branded downloader is secure?
>
> I think you're over-complicating things here. Anyone interested in
> verifying a download is correct can verify the posted SHAsum, and anyone
> really concerned could install from a netboot (mini.iso), check its seed
> file, and download all packages from a known repo.
>
> If you are concerned about an installer download becoming compromised
> during transport then you should also be concerned about the apt transport
> used - I'm assuming you set your deb sources to https? If not, then a
> 'secure' installer image is moot.
>
> J
>
>
>
> On 15 September 2015 at 20:10, Ryein Goddard <ryein.godd...@gmail.com>
> wrote:
>
>> You could add multiple sources that store an encrypted checksum and then
>> reference that with an Ubuntu branded downloader.  That program would be
>> pretty easy to make and it would abstract away all requirements for
>> anything time consuming from the user.
>>
>> On Tue, Sep 15, 2015 at 3:53 AM, Ralf Mardorf <ralf.mard...@alice-dsl.net
>> > wrote:
>>
>>> On Mon, 14 Sep 2015 15:07:02 -0700, Ryein Goddard wrote:
>>> >On Mon, Sep 14, 2015 at 10:32 AM, Ralf Mardorf wrote:
>>> >> On Mon, 14 Sep 2015 16:19:36 +0000 (UTC), rajeev bhatta wrote:
>>> >> >It is not time consuming.. just for the user experience..
>>> >>
>>> >> IMHO for averaged users it is time consuming. Even a power users not
>>> >> necessarily deals with the right people to get a key she or he can
>>> >> trust, that can be used to verify ownership of the particular
>>> >> public Ubuntu key.
>>> >>
>>> >> I am a Linux power user and I don't own a key to verify the
>>> >> particular public key, that belongs to the key, that was used to
>>> >> sign the Ubuntu images.
>>> >>
>>> >> Please let me know, how I can get such a key, without spending much
>>> >> time ;).
>>> >
>>> >If a current method doesn't exist then maybe we can just create one?
>>>
>>> How will you make it less time consuming?
>>>
>>> You need to meet other people in the real world, in addition you
>>> need to know and trust those people and in addition they need to trust a
>>> chain of trusted keys, that confirms ownership of the public Ubuntu key
>>> in question. https://en.wikipedia.org/wiki/Web_of_trust
>>>
>>> This already is hard to realise for hardcore computer geeks and
>>> completely illusorily for those who's centre of life isn't the
>>> operating system of their computers or digital security.
>>>
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>>
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