Message Padding for GnuPG

Stefan Claas stefanclaas at riseup.net
Wed Jan 22 12:04:26 CET 2020


On 2020-01-22 09:45, Stefan Claas via Gnupg-users wrote:
> On 2020-01-22 09:08, Werner Koch via Gnupg-users wrote:
>> On Tue, 21 Jan 2020 23:02, Stefan Claas said:
>>
>>> because 'gpg --list-packets' shows the original byte size of the unencrypted
>>> message or file, including the original filename.
>>
>> --list-packets can't show the original filename because that info is
>> encrypted.  Note that --list-packets decrypts if it has access to the
>> secret key.
> 
> Thank you for pointing that out, but I don't understand then when I do
> not
> enter my passphrase for symmetric decryption of how GnuPG does this, or
> are you referring to asymmetric encryption?

Stupid me, just checked by switching on and off my computer ...

Regards
Stefan

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