Re: Summary: Windows GUI recommendation for USB disk

2006-11-03 Thread Ryan Malayter
On 11/2/06, Henry Hertz Hobbit [EMAIL PROTECTED] wrote: 7-zip, like most zip programs encryption doesn't even come close to the level of protection that you are getting with GnuPG. Even if you are using the lowest level cipher GnuPG provides, it is a quantum leap over the zip programs

Re: Summary: Windows GUI recommendation for USB disk

2006-11-03 Thread David SMITH
On Fri, Nov 03, 2006 at 09:40:21AM -0600, Robert J. Hansen wrote: The threshold just to break AES128 is so immense that it may as well be a brick wall; ...at the moment. One Xbox360 runs more FLOPS than the world's fastest supercomputer of little more than a decade ago (a fact that I still

Re: Summary: Windows GUI recommendation for USB disk

2006-11-03 Thread Robert J. Hansen
David SMITH wrote: ...at the moment. Welcome to the Second Law of Thermodynamics! Enjoy your stay. By the Second Law, every time a bit of information is erased you have to pay the entropy tax of (kT * ln 2) J. Let's assume that for each key you try, you have to erase 1000 bits of

Re: Summary: Windows GUI recommendation for USB disk

2006-11-03 Thread Henry Hertz Hobbit
On Fri, 2006-11-03 at 09:40 -0600, Robert J. Hansen wrote: Ryan Malayter wrote: When encrypting to a *.7z file, 7-zip uses AES-256 in CBC mode, with a passphrase-to-key function based on SHA-256. This is actually stronger than most cipher preferences on OpenPGP keys. This may be just my

Re: Summary: Windows GUI recommendation for USB disk

2006-11-02 Thread Mica Mijatovic
-BEGIN PGP SIGNED MESSAGE- Hash: SHA224 Was Wed, 1 Nov 2006, at 20:43:19 -0800 (PST), when Robert Eden wrote: My tool prompts the user for a pass-phrase (twice), places some simple restrictions on the pass-phrase (10 characters, 3 words), and opens up a dialog box. The user

Summary: Windows GUI recommendation for USB disk

2006-11-01 Thread Robert Eden
Thanks to everyone for their suggestions. I was looking for a simple exe-only tool I could put on a USB disk to make it very easy for Windows users to encrypt files with a symmetric key. Quite a few folks suggested GPGshell. It was a good choice, but had one problem... when it encrypts files