[Enigmail] New GnuPG 2.0.27

Bob Henson bob.henson at galen.org.uk
Wed Mar 18 17:04:31 CET 2015

On 18/03/2015 12:57 pm, Ludwig Hügelschäfer wrote:
> On 18.03.15 12:11, Bob Henson wrote:
>> I just installed the new GnupG 2.0.27, via Gpg4Win 2.2.4 vanilla.
>> I couldnot access the Enigmail key management window at all -
>> getting the following error message:-
>> error The spinner was indicating that it was trying to load the
>> keys, but nothing happenedafter a considerable wait.
>> I reinstalled it over itself to no avail. I re-installed 2.0.26
>> via Gpg4Win 2.2.3 and all was immediately restored to full
>> functioning . Not being very technical, I have no idea why this
>> should be but thought it would be of interest, and that someone
>> might know why? I'm not currently connected to the GPG4Win forum,
>> so I can't say if it has been mentioned in there.
> The deeper reason is, that GnuPG 2.0.27 errors out if it detects weak
> digest algorithms. They are used on older keys, having the MD5 hash.
> See the release notes for 2.0.27:
> http://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.html

> This behaviour prohibits loading the key list, as Enigmail respects
> the exit code of GnuPG and thinks, there is a serious error and no
> usable output. So, this is no bug which was introduced with Enigmail
> 1.8, you would certainly get the same behaviour with 1.7.2.
> As a first aid, this can be fixed by the following procedure: Open
> Enigmail -> Preferences. Ensure the "Advanced" tab is shown. If not,
> click on "Show Expert Settings and Menues". Select the "Advanced" tab.
> Put the following in the field "Additional parameters for GnuPG":
> --allow-weak-digest-algos

OK, I'll use that for the moment whilst I work out which of the keyring
have the old hash. Thanks for the help.

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