On 15.01.2019 16:18, Daniel Pecka wrote:
> On 15/01/2019 13:24, Patrick Brunschwig wrote:
>> On 15.01.2019 11:30, Daniel Pecka wrote:
>>> Hello folks,
>>>
>>> I have Enigmail version 2.0.8 (20181210-1200) and it seems to me, that
>>> enigmail somehow remembers the passphrase for my gpg key(s) and doesn't
>>> ask anymore when sending email (for subscribing) ..
>>
>> Enigmail doesn't remember any passphrase, nor would it ask for any
>> passphrase. That's handled by gpg-agent.
>>
>>> I ofc googled and tried to -HUP gpg-agent which indeed works and when I
>>> want to decrypt/sign something from cli using gpg2, pinetry asks for
>>> passphrase but enigmail doesn't ..
>>>
>>> I'd like to set enigmail to ALWAYS ask for passphrase when sending, is
>>> it possible ?
>>
>> gpg-agent _will_ remember the passphrase for a while (depending on your
>> configuration between some minutes and a few hours). You can try to set
>> max-cache-ttl to 10 (=10 seconds). I don't recommend setting it to 0,
>> because Enigmail will always first attempt to encrypt and then do the
>> actual encryption in a second step.
>>
> Hello Patrick,
>
> thanks for info ... you were right .. after delivering SIGHUP signal to
> gpg-agent process it indeed asks again for passphrase when enigmail
> attempts to use my key for signing but I don't how it works with
> decrypting keys .. after -HUPing gpg-agent I can still see the content
> of older encrypted emails without entering passphrase with enigmail info
> below (example - I've substituted domains by xxxxx/yyyyy resp.)
>
> Decrypted message
>
> Note: The message is encrypted for the following User ID's / Keys:
>   0xA465836F77AD8DF8 (dpecka <[email protected]>),
>   0xA7C056435C18F835 (dpecka <[email protected]>)
>
> as I am writing this message now, just once I will hit send button,
> enigmail will ask me for passphrase for signing but I can view before I
> do so and before gpg-agent caches it the content of older encrypted
> emails .. is this expected behaviour ? I use enigmail defaults


You don't need a passphrase to read signed-only messages. The passphrase
is only needed to create signed messages, and to read encrypted messages.

-Patrick




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