RE: Encryption Tool Wanted
From: Jay Stapleton (jstapleton@o2tech.ca)Date: 06/27/02
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Date: Thu, 27 Jun 2002 14:44:29 -0500 From: "Jay Stapleton" <jstapleton@o2tech.ca> To: ". ." <miklohnews@hotmail.com>, <security-basics@securityfocus.com>
If you're looking for simple password protection, PKZIP, WinZip, etc.
will work fine. In order to have key-based encryption, you would have
to supply the end recipient with the key as well.
The danger of having just password protection is that passwords are
easily brute-forced. If you use a public-key encryption programme such
as GnuPG or PgP, you will have an extra layer of security. However,
this means the final recipient of the file would have to generate a key
pair, and send you the public half.
If you use a symmetric encryption, such as GnuPG's -c option, and have a
secure channel to transport the key (such as handing them a floppy
disk), a password on top of that would be adequate.
Note also that many encryption programmes are intended for ascii text.
If you're encrypting a binary (programme, database, document, etc.)
file, you should uuencode it first, turning it into a text file. You
could then uudecode it after decryption. But you can check the
documentation of your programme to see if it supports binaries.
That being said, check out http://www.gnupg.org/faq.html and see if this
will suit your needs.
Jay Stapleton
Oxygen Technical Services
-----Original Message-----
From: . . [mailto:miklohnews@hotmail.com]
Sent: Wednesday, June 26, 2002 6:56 PM
To: security-basics@securityfocus.com
Subject: Encryption Tool Wanted
Hi
I'm looking for a free encryption tool that has been properly tested and
implements a strong encryption algorithm. Most of the tools I've found
so
far are commercial and usually attract a US$30-50 fee.
I would like to find a tool that simply enforces password protection and
encrypts whatever file using a strong encryption algorithm. Of course,
extra
features such as support for zip files, and/or the ability to create a
self
extracting encrypted file (so that the receiver doesn't need to have the
encryption program in order to decrypt the file, but rather just the
correct
password) are very welcome.
Anyone who has any recommendations?
Cheers,
Mikael Holmqvist
_________________________________________________________________
MSN Photos is the easiest way to share and print your photos:
http://photos.msn.com/support/worldwide.aspx
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