Any way for two correspondents to set up gnupg within a few moments without having to become expert?

[Steve Jones]

On Tue, 21 Jan 2014 14:03:07 +0100
Michael Anders <micha137 at gmx.de> wrote:

> My opinion is that SHA1 should no longer be used.
> 
> A link on SHA1 security:
> 
> https://www.schneier.com/blog/archives/2005/02/cryptanalysis_o.html 

How do I prevent gnupg from using SHA1? Also how do I update my key to not use SHA1 digests which it appears to be using, as well as listing SHA1 as my second favourite algorithm.

-- 
Steve Jones <steve at secretvolcanobase.org>
Key fingerprint: 3550 BFC8 D7BA 4286 0FBC  4272 2AC8 A680 7167 C896
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