Fwd: PGP encrypt/GnuPG decrypt problem

2009-12-29 Thread J Simoes
-- Forwarded message -- From: J Simoes <> Date: Tue, Dec 29, 2009 at 21:19 Subject: Re: PGP encrypt/GnuPG decrypt problem To: baiju <> As a measure of caution I always encrypt my backups with gnupg using my public key. I have been doing that for ages. New public key e

Re: PGP encrypt/GnuPG decrypt problem

2009-12-29 Thread Robert J. Hansen
On 12/23/2009 12:04 AM, baiju wrote: > Is it possible to decrypt a message in PGP if that message is encrypted > from GnuPg and vice versa. The answer to this one is, "it depends." Really old versions of PGP will have trouble interoperating with new versions of GnuPG. Newer versions of PGP inte

PGP encrypt/GnuPG decrypt problem

2009-12-29 Thread baiju
Hi, Is it possible to decrypt a message in PGP if that message is encrypted from GnuPg and vice versa. I am a .Net Programmer so I used GnupG to encrypt and decrypt messages in my program. But My client using PGP for encrypting and Decrypting message. So my message cannot be decrypted by m

Re: Decrypt problem with large file

2007-12-06 Thread Ryan Malayter
On Dec 5, 2007 1:06 PM, Robert J. Hansen <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: > > a simpler, much faster, solution is to just use truecrypt > > and then encrypt the keyfile with gnupg > > Unless you have done performance metrics with 1TB datasets, I seriously > doubt the accuracy o

Re: Decrypt problem with large file

2007-12-05 Thread Robert J. Hansen
[EMAIL PROTECTED] wrote: > a simpler, much faster, solution is to just use truecrypt > and then encrypt the keyfile with gnupg Unless you have done performance metrics with 1TB datasets, I seriously doubt the accuracy of this statement. Backing up 1TB is definitely a torture test; small effects c

re: Decrypt problem with large file

2007-12-05 Thread vedaal
Ryan Malayter malayter at gmail.com wrote on Tue Dec 4 17:03:43 CET 2007 : > Our solution for backup encyption has been to use 7zip ... >We do over 1 TB of backups per night a simpler, much faster, solution is to just use truecrypt and then encrypt the keyfile with gnupg quote from the truecryp

Re: Decrypt problem with large file

2007-12-04 Thread Ryan Malayter
On Nov 26, 2007 3:58 AM, Thomas Pries <[EMAIL PROTECTED]> wrote: > I realized, that I have lost my data :-(. Our solution for backup encyption has been to use 7zip, since it encrypts faster and supports segmentation, per-file checksuimming, and other useful backup-oriented features. What our scr

Re: Decrypt problem with large file

2007-11-29 Thread Thomas Pries
Hello, Am Montag, 26. November 2007 10:19 schrieb Werner Koch: > I guess that the file got corrupted on the medium. Hard disks are not > 100% error free and with such a large file there is a chance that you > experienced a bit flip. No doubt, my fault, I should have a second (and third) copy of

Re: WinXP problem with large files was: Re: Decrypt problem with large file

2007-11-28 Thread Werner Koch
On Wed, 28 Nov 2007 10:06, [EMAIL PROTECTED] said: > Werner, do you use GetFileSize or GetFileSizeEx? There are also Since 1.4.3 we are using GetFileSizeEx if available on the platform. We use it todecide whether a file is close to 4GB - if this is the case we use OpenPGP's partial encoding form

Re: WinXP problem with large files was: Re: Decrypt problem with large file

2007-11-28 Thread Werner Koch
On Wed, 28 Nov 2007 00:59, [EMAIL PROTECTED] said: > I also recall that Werner stated the AES code in GnuPG wouldn't be > optimized for a number of reasons, becasue of security (timing > attacks), and also a desire to keep GnuPG architecture-agnostinc. The Nope. It is just that nobody has found

Re: WinXP problem with large files was: Re: Decrypt problem with large file

2007-11-28 Thread Snoken
Hi again, I found the old thread: Trouble decrypting AES256 symmetric encrypted file: You (Ryan) wrote: This is surpisingly *not* a Windows issue. We have 200+ GB database files on many of our database servers. All using NTFS. I think the issue is that GnuPG is using a 32-bit DWORD file pointer

Re: WinXP problem with large files was: Re: Decrypt problem with large file

2007-11-27 Thread Ryan Malayter
> Snoken wrote: > > is the old problem with files greater than 4 GB solved? How large > > files can gpg handle on WindowsXP? On other systems? My recollection is that the file size issue was fixed years ago, as it was a limitation in the MinGW layer or something that was remedied. I never followed

Re: WinXP problem with large files was: Re: Decrypt problem with large file

2007-11-27 Thread Robert J. Hansen
Snoken wrote: > is the old problem with files greater than 4 GB solved? How large > files can gpg handle on WindowsXP? On other systems? Depends a lot on your filesystem. FAT32 doesn't like files greater than 4GB, no matter what program makes them. NTFS does not have this limitation. I have see

WinXP problem with large files was: Re: Decrypt problem with large file

2007-11-27 Thread Snoken
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, is the old problem with files greater than 4 GB solved? How large files can gpg handle on WindowsXP? On other systems? Snoken At 00:39 2007-11-18, you wrote: - --snip-- >I found a thread discussing a similar decryption problem in the Gnupg-users

Re: Decrypt problem with large file

2007-11-26 Thread Werner Koch
On Sun, 18 Nov 2007 00:39, [EMAIL PROTECTED] said: > gpg: original file name='abc.tgz' > gpg: packet(14) with unknown version 26 > gpg: WARNING: encrypted message has been manipulated! > gpg: packet(6) with unknown version 139 > > I repeated the decryption with different gpg versions (1.4.2, 2.0.4

Re: Decrypt problem with large file

2007-11-23 Thread Thomas Pries
Hallo, Am Sonntag, 18. November 2007 00:39 schrieb Thomas Pries: > this decryption faild with errormessage: > ... > gpg: WARNING: encrypted message has been manipulated! > gpg: packet(6) with unknown version 139 addition: up to this point I can restore about 30% of the archive content. Greetin

Decrypt problem with large file

2007-11-17 Thread Thomas Pries
Hello, I encrypted a 420GB tgz-archive under SuSE 10.1 Linux with: gpg -o /USBDISK/anc.tgz.gpg -c --ciper-algo AES256 abc.tgz a few days later I try to decrypt the file on the same computer via: gpg -d <./abc.tgz.gpg >./abc_a.tgz this decryption faild with errormessage: :symkey enc packet:

Re: decrypt problem

2006-10-22 Thread Werner Koch
On Sat, 21 Oct 2006 20:26, Ludwig Hügelschäfer said: > Issuing a german text seems to be a bug in gpg. I hope that the translator for German (de.po) won't read this mail ;-) > The message says "Dateilesefehler" which means "File read error". I > would suspect a media or drive error. Gpg telling

Re: decrypt problem

2006-10-21 Thread Ludwig Hügelschäfer
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, itsec.info wrote on 21.10.2006 13:54 Uhr: > Hi > > I have encrypted a large file (280MB) with gpg v1.4.2 on suse 10.0. > By decrypting the file I get the following error message: > > gpg: Problem reading source (10429120 bytes remaining) > gpg:

Re: decrypt problem

2006-10-21 Thread Mica Mijatovic
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Was Sat, 21 Oct 2006, at 13:54:52 +0200, when itsec.info wrote: > I have encrypted a large file (280MB) with gpg v1.4.2 on suse 10.0. > By decrypting the file I get the following error message: > gpg: Problem reading source (10429120 bytes

Re: decrypt problem

2006-10-21 Thread Alphax
itsec.info wrote: > Hi > > I have encrypted a large file (280MB) with gpg v1.4.2 on suse 10.0. > By decrypting the file I get the following error message: > > gpg: Problem reading source (10429120 bytes remaining) > gpg: handle plaintext failed: Dateilesefehler > gpg: Warnung: Verschlüsselte Bots

decrypt problem

2006-10-21 Thread itsec.info
Hi I have encrypted a large file (280MB) with gpg v1.4.2 on suse 10.0. By decrypting the file I get the following error message: gpg: Problem reading source (10429120 bytes remaining) gpg: handle plaintext failed: Dateilesefehler gpg: Warnung: Verschlüsselte Botschaft ist manipuliert worden! The