error decrypting 5GB rar file

Atom 'Smasher' atom-gpg at
Wed Jan 28 15:34:03 CET 2004

did you try decrypting it on the same machine that it was encrypted on?

On Wed, 28 Jan 2004, Roel Harbers wrote:

> Hi,
> I have encrypted a huge (5GB+) winrar file using GnuPG v1.2.3, on WinXP
> SP1 (NTFS), which resulted in a gpg file of 5.372.648.141 bytes.
> Now, however, I cannot decrypt it anymore:
> gpg: encrypted with 2048-bit ELG-E key, ID E907AED2, created 2003-11-30
> gpg: [don't know]: invalid packet (ctb=7e)
> gpg: [don't know]: old style partial length for invalid packet type
> gpg: WARNING: encrypted message has been manipulated!
> gpg: packet(1) with unknown version 97
> gpg: fatal: zlib inflate problem: invalid stored block lengths
> secmem usage: 1408/3936 bytes in 2/8 blocks of pool 4896/32768
> and the output file is a 1.075.771.576 byte truncated rar file (it's
> possible to extract some but not all files)
> What strikes me is that the error occurs round about filesize minus 4GB.
> Is there a filesize limit on GnuPG? I have truncated the gpg file to
> both 4GB-1 and 2GB-1, and it still fails in exactly the same way, so it
> would seem the error occured (silently) during encryption.
> Is there any way to retrieve the original?


 PGP key -
 3EBE 2810 30AE 601D 54B2 4A90 9C28 0BBF 3D7D 41E3

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