new to GPG: "gpg: Fatal: zlib inflate problem: invalid code lengths set"

[john doe]

On 7/24/2019 11:52 AM, Lentes, Bernd wrote:
>
> ----- On Jul 24, 2019, at 2:56 AM, David david at gbenet.com wrote:
>
>> Lentes, Bernd:
>>> Hi ML,
>>>
>>> i'm new to GPG, so please excuse asking silly questions.
>>> I managed to create my keys with "gpg2 --gen-key"
>>> I wrote an e-Mail to adele at gnupp.de with the subject "Mein öffentlicher
>>> Schlüssel", which is german for "my public key".
>>> Shortly thereafter i got an encrypted response which, i assume, i have to
>>> decrypt with my private key.
>>> I pasted the encrypted stuff into a file and then tried to decrypt:
>>>
>>> gpg2 -d nachricht.txt
>>>
>>> I've been asked for the passphrase for my private key which i entered, but then
>>> i got the following error:
>>>
>>> gpg: encrypted with 2048-bit RSA key, ID F742DB29, created 2019-07-23
>>>       "Bernd Lentes (Helmholtz GPG Schluessel) <bernd.lentes at helmholtz-muenchen.de>"
>>> gpg: Fatal: zlib inflate problem: invalid code lengths set
>>>
>>> The file has a size of 68 KB, could that be the culprit ?
>>>
>>> Bernd
>>>
>>
>> The simpe rules are as follows:
>>
>> (1) You encrypt to another persons public key
>> (2) You decrypt with your private key
>>
>
> Hi David,
> thanks for your response.
> I know these simple rules.
>
>> That's it!
>>
>> You can sign your emails - this means no one can tamper with them whilst
>> in transit - if it was tampered with then there's an eror in the check
>> sum of the message.
>>
>
> I sent a cleartext e-Mail with my public key to adele at gnupp.de (which is an automated system for practicing encryption and decryption)
> and i got an answer which is encrypted. I think it's encrypted with my public key so i should be able
> to decrypt it with my private key. That's what i tried. But i got the message while decrypting:
>
> gpg: encrypted with 2048-bit RSA key, ID F742DB29, created 2019-07-23
>      "Bernd Lentes (Helmholtz GPG Schluessel) <bernd.lentes at helmholtz-muenchen.de>"
> gpg: Fatal: zlib inflate problem: invalid code lengths set
>
> What does this meesage mean ?
>
>

I might be rong here, but I would use build-in GPG capability in my
e-mail client to decrypt the encrypted e-mail.


Do you have the same error if you encrypt and decrypt a file?

--
John Doe