On 11-02-15 14:36, Patrick Brunschwig wrote:
> On 11.02.15 14:17, Dimitri Dhuyvetter wrote:
>> As of lately it has become impossible for me to sign outgoing 
>> messages or decrypt incoming messages. Sending encrypted
>> messages seems to still work, but saving an encrypted message as
>> draft resulted in an empty draft message. I already tried
>> un-installing (apt-get purge) Enigmail, but that didn't help.
> 
>> I have been using Engimail in Thunderbird on Ubuntu for quite a 
>> while now and it worked fine until now. I have the private keys,
>> I have checked in Enigmail Key Management and on pgp command
>> line.
> 
>> Mails I received and was able to decrypt before I get an error
>> now (the padlock with the red circle with a cross) and the
>> message:
> 
>>> "Enigmail Security Info
>>> 
>>> Error - decryption failed Public key C6BDEA6A5D9FF1A0 needed
>>> to verify signature
>>> 
>>> gpg: decryption failed: secret key not available
>>> 
>>> Note: the message is encrypted with the following User ID's / 
>>> Keys: 0xC6BDEA6A5D9FF1A0 (Dimitri Dhuyvetter 
>>> [email protected])"
> 
>> I am still able to decrypt them using gpg command line, the
>> secret key is definitely in my keyring.
> 
>> On outgoing messages I try to sign I get the error:
> 
>>> Enigmail Alert
>>> 
>>> Send operation aborted.
>>> 
>>> Error - bad passphrase
> 
>> But I don't get prompted for a password.
> 
>> Any tips on how I could proceed to solve these issues?
> 
> Did you recently upgrade to GnuPG 2? The most common problem on
> Linux is that gpg-agent can't launch pinentry, because the used
> pinentry is console-based.
> 
> You might want to check if in ~/.gnupg/gpg-agent.conf points to a 
> graphical pinentry tool, such as pinentry-qt or pinentry-gtk 
> (parameter "pinentry-program".
> 
> -Patrick
> 

I haven't switched to pgp2, but when I do and try to send a signed
message, I get the error:
> Send operation aborted.
> 
> Key 0x8C693450 not found or not valid. The (sub-)key might have
> expired.

0x8C693450 is my own key and hasn't expired or been revoked:
> $ gpg --list-keys 0x8C693450 pub   4096R/0x188E3F108C693450
> 2014-10-07 [expires: 2016-10-06] Key fingerprint = 6FC8 4DA0 8920
> 932D 34DD  CBCD 188E 3F10
8C69 3450
> uid                 [ultimate] Dimitri Dhuyvetter
<[email protected]>
> uid                 [ultimate] Dimitri Dhuyvetter
> <[email protected]> uid                 [ultimate] Dimitri
> Dhuyvetter
<[email protected]>
> sub   4096R/0xE690607DD4E5573D 2014-10-07 [expires: 2016-10-06]

Dimitri

<<attachment: dimitri.vcf>>

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