Mailing List Archive: GnuPG: devel

GPG v1.2.3 decryption of large files

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anjul_narain at yahoo

Mar 4, 2011, 9:18 AM

Post #1 of 5 (593 views)
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GPG v1.2.3 decryption of large files

Hello,

Does anyone know of issues with GPG v 1.2.3 and decryption of large files?? The file decrypts fine but it contains gargbage characters at the end of the file. Is it a bug?

I am using Bouncy Castle to PGP encrypt my file. My client is using GPG v1.2.3 to decrypt it. If the file size is greater than 1 MB or so, the decryption is successful however there are garbage characters at the end of the file.
There are no such issues with GPG v1.4.9.

Appreciate any help.

thanks.

John at enigmail

Mar 4, 2011, 9:15 PM

Post #2 of 5 (570 views)
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Re: GPG v1.2.3 decryption of large files [In reply to]

Anjul Narain Varma wrote:
> Does anyone know of issues with GPG v 1.2.3 and decryption of large
> files?? The file decrypts fine but it contains gargbage characters at
> the end of the file. Is it a bug?

It's possible. 1.2.3 is also QUITE old.
>
> I am using Bouncy Castle to PGP encrypt my file. My client is using GPG
> v1.2.3 to decrypt it. If the file size is greater than 1 MB or so, the
> decryption is successful however there are garbage characters at the end
> of the file.
> There are no such issues with GPG v1.4.9.

There you have it. The most direct solution would appear to be for the client to
upgrade to a more current release of GnuPG. (>= 1.4.9)

--
John P. Clizbe Inet: John (a) Enigmail DAWT net
FSF Assoc #995 / FSFE Fellow #1797 hkp://keyserver.gingerbear.net or
mailto:pgp-public-keys [at] gingerbear?subject=HELP

Q:"Just how do the residents of Haiku, Hawai'i hold conversations?"
A:"An odd melody / island voices on the winds / surplus of vowels"

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anjul_narain at yahoo

Mar 11, 2011, 10:45 AM

Post #3 of 5 (537 views)
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Re: GPG v1.2.3 decryption of large files [In reply to]

Actually my client (a bank in this case) is using GPG 1.2.3 and does not want to upgrade right away. Is there a patch available for GPG 1.2.3 which can fix this issue ? Appreciate any help.

--- On Sat, 3/5/11, John Clizbe <John [at] enigmail> wrote:

From: John Clizbe <John [at] enigmail>
Subject: Re: GPG v1.2.3 decryption of large files
To:
Cc: gnupg-devel [at] gnupg
Date: Saturday, March 5, 2011, 10:45 AM

Anjul Narain Varma wrote:
> Does anyone know of issues with GPG v 1.2.3 and decryption of large
> files?? The file decrypts fine but it contains gargbage characters at
> the end of the file. Is it a bug?

It's possible. 1.2.3 is also QUITE old.
>
> I am using Bouncy Castle to PGP encrypt my file. My client is using GPG
> v1.2.3 to decrypt it. If the file size is greater than 1 MB or so, the
> decryption is successful however there are garbage characters at the end
> of the file.
> There are no such issues with GPG v1.4.9.

There you have it. The most direct solution would appear to be for the client to
upgrade to a more current release of GnuPG. (>= 1.4.9)

--
John P. Clizbe Inet: John (a) Enigmail DAWT net
FSF Assoc #995 / FSFE Fellow #1797 hkp://keyserver.gingerbear.net or
mailto:pgp-public-keys [at] gingerbear?subject=HELP

Q:"Just how do the residents of Haiku, Hawai'i hold conversations?"
A:"An odd melody / island voices on the winds / surplus of vowels"

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cswiger at mac

Mar 11, 2011, 11:03 AM

Post #4 of 5 (535 views)
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Re: GPG v1.2.3 decryption of large files [In reply to]

On Mar 11, 2011, at 10:45 AM, Anjul Narain Varma wrote:
> Actually my client (a bank in this case) is using GPG 1.2.3 and does not want to upgrade right away. Is there a patch available for GPG 1.2.3 which can fix this issue ? Appreciate any help.

You can make a patch yourself:

curl 'ftp://ftp.gnupg.org/gcrypt/gnupg/gnupg-1.4.11.tar.bz2' -o gnupg-1.4.11.tar.bz2
curl 'ftp://ftp.gnupg.org/gcrypt/gnupg/gnupg-1.2.3.tar.bz2' -o gnupg-1.2.3.tar.bz2
tar xf gnupg-1.2.3.tar.bz
tar xf gnupg-1.4.11.tar.bz2
diff -dur gnupg-1.2.3 gnupg-1.4.11 > patch.txt

If you didn't want all of the changes and fixes made since v1.2.3, feel free to edit the patch.txt to only include a subset.

Regards,
--
-Chuck

PS: gnutar might need a -j flag..

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flameeyes at gmail

Mar 14, 2011, 6:15 PM

Post #5 of 5 (517 views)
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Re: GPG v1.2.3 decryption of large files [In reply to]

Il giorno ven, 11/03/2011 alle 11.03 -0800, Chuck Swiger ha scritto:
>
> diff -dur gnupg-1.2.3 gnupg-1.4.11 > patch.txt

Wouldn't that forget to list newly-created files and deleted files? ^^;;

--
Diego Elio PettenÃ² â€” Flameeyes
http://blog.flameeyes.eu/

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