On 01/20/2016 02:58 AM, Johnny Hughes wrote:
On 01/20/2016 04:52 AM, Johnny Hughes wrote:
On 01/20/2016 04:48 AM, Johnny Hughes wrote:
On 01/20/2016 04:39 AM, Johnny Hughes wrote:
On 01/20/2016 01:37 AM, Alice Wonder wrote:
hi,
I noticed that RPM packages I sign use SHA1
Signature : RSA/SHA1, Fri 08 Jan 2016 10:50:58 AM PST, Key ID
ad3b591d147abf59
Signatures from CentOS 7 use SHA256
Signature : RSA/SHA256, Wed 06 Jan 2016 08:54:58 AM PST, Key ID
24c6a8a7f4a80eb5
I'm trying to find where / how to use sha256 when I sign packages but I
am not having much luck. Closest I have found is this :
https://fedoraproject.org/wiki/RPM_file_format_changes_to_support_SHA-256
That page appears to be from 2009 and six years is a really long time,
things change a lot.
Is there an up to date reference somewhere on RPM package signing that I
haven't stumbled upon yet?
SHA1 is broken. I shouldn't be using it.
CentOS 7 is all I build packages for.
In your .rpmmacros file .. try setting:
_binary_filedigest_algorithm SHA256
or from the command line:
rpm --define '_binary_filedigest_algorithm SHA256' <current_line>
=====
if some some reason it does not like the SAH256 value .. try 8 instead. So:
rpm --define '_binary_filedigest_algorithm 8'
or in .rpmmacros:
_binary_filedigest_algorithm 8
There is another one as well:
--define "_source_filedigest_algorithm 8"
--define "_binary_filedigest_algorithm 8"
Defining it in the .rpmmacros would be best .. I think otherwise you
would need to define it in youe rpmbild line AND your rpm signature line.
Are you building your rpms in mock or from rpmbuild on the command line?
If I do this on my default c7 install, I get that as the default:
[jhughes@localhost ~]$ rpmbuild --showrc | grep filedigest_algorithm
-14: _binary_filedigest_algorithm 8
-14: _source_filedigest_algorithm 8
Not sure how you got it to do it in SHA1 :)
One last thought .. are you using something like:
--force-v3-sigs
in your signing command line?
If you are building in mock .. you would do it like this int he mock
config with the other variables:
config_opts['macros']['%_binary_filedigest_algorithm'] = "8"
config_opts['macros']['%_source_filedigest_algorithm'] = "8"
But again, building on a c7 machine, it should be the default.
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I'm still not getting it to work - I am trying outside of mock.
%_signature gpg
%_binary_filedigest_algorithm 8
%_gpg_name Alice Wonder Miscreations
represents my current .rpmmacros
Before just _signature_gpg and _gpg_name were defined
rpm --showrc |grep filedigest
-14: _binary_filedigest_algorithm 8
-14: _source_filedigest_algorithm 8
(it has that value whether or not I define the
_binary_filedigest_algorithm in my .rpmmacros)
I wonder if I might be missing something?
The --verbose switch to rpm when I use --addsign doesn't give any
additional output.
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