GPG Decryption fails for files > 1MB
Werner Koch
wk at gnupg.org
Fri Apr 13 16:27:58 CEST 2012
On Thu, 12 Apr 2012 10:49, david.vazquez_landa at ecb.int said:
> We have an issue with one of our users. When he sends encrypted messages larger than ~1 MB, we get these errors:
> gpg: [don't know]: invalid packet (ctb=0d)
>
> gpg: [don't know]: invalid packet (ctb=0a)
This might indicate a problem in your file transfer - make sure data is
not modified; i.e. the channel is 8 bit clean). As a quick test you may
add the option --armor to the encryption command - this makes the
message larger but it will be plain ASCII.
> $ /cygdrive/d/GNU/GnuPG/gpg.exe --version
>
> gpg (GnuPG) 1.4.8
I don't know whether you use a version of GPG build for Cygwin - I
suggest to use a native Windows version of GnuPG - and well; update to
a more recent version <ftp://ftp.gnupg.org/gcrypt/binary/gnupg-w32ci-1.4.12.exe>
> Is this a gnupg bug?
I doubt that. If you need support, you may want to checkout the service
directory at gnupg.org.
Salam-Shalom,
Werner
--
Die Gedanken sind frei. Ausnahmen regelt ein Bundesgesetz.
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