RE: Announce loop-AES-v1.3d file crypto package

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Mr. Ruusu:

	Recently I have begun to consider the implementation of your loop-aes as it seems that work on the I-patch has come to a halt, and still does not seem to have the design limitations you spoke of removed to date.

	I am curious if your loop-aes virtual filesystem can be resized at all in anyway? Suppose I create a 1GB encrypted disk, and need to expand it by 500MB, is that possible in a "partition magic" style way? I know partition magic is not going to do it (for a plethora of reasons), but do you plan a utility to do just that (grow an encrypted drive) if the underlying hard ware device has space available?


Very Respectfully, 

Stuart Blake Tener, IT3, USNR-R, N3GWG 
Beverly Hills, California
VTU 1904G (Volunteer Training Unit) 
stuart@xxxxxxxxxxx 
west coast: (310)-358-0202 P.O. Box 16043, Beverly Hills, CA 90209-2043 
east coast: (215)-338-6005 P.O. Box 45859, Philadelphia, PA 19149-5859 

Telecopier: (419)-715-6073 fax to email gateway via www.efax.com (it's free!) 

JOIN THE US NAVY RESERVE, SERVE YOUR COUNTRY, AND BENEFIT FROM IT ALL. 

Saturday, August 04, 2001 11:54 PM

 -----Original Message-----
From: 	owner-linux-crypto@xxxxxxxxxxxx [mailto:owner-linux-crypto@xxxxxxxxxxxx]  On Behalf Of Jari Ruusu
Sent:	Saturday, August 04, 2001 11:12 AM
To:	linux-crypto@xxxxxxxxxxxx
Subject:	Announce loop-AES-v1.3d file crypto package

In short: If file crypto is all you need, this package is a hassle free
replacement for international crypto patch.

This package provides loadable Linux kernel module (loop.o) that has AES
cipher built-in. The AES cipher can be used to encrypt local file systems
and disk partitions. For more information about compiling and using the
driver, see the README file in the package.

Features:
- No source modifications to kernel. No patch hassles when a new version of
  kernel is released.
- Works with 2.4, 2.2 and 2.0 kernels.
- AES cipher is used in CBC mode. Supports 128, 192 and 256 bit keys.
- Passwords hashed with SHA-256, SHA-384 or SHA-512.
- 512 byte based IV. IV is immune to variations in transfer size and does
  not depend on file system block size.

Changes since previous release:
- loop.c-2.4.original updated to Alan Cox's 2.4.7-ac5 version (ext3
  changes), and Makefile updated to compile that version on older kernels as
  well.

Kernel 2.4 users who use file backed loop devices on ext3 filesystem AND
your kernel IS NOT stock Linus or Alan kernel, should upgrade to this
version. No need to upgrade if you use older 2.2 or 2.0 kernels.

bzip2 compressed tarball is here:

    http://loop-aes.sourceforge.net/loop-AES-v1.3d.tar.bz2
    md5sum 9480d6e6a1ebe96ee7499fd8cb4eaffa

PGP signature file, my public key, and fingerprint here:

    http://loop-aes.sourceforge.net/loop-AES-v1.3d.tar.bz2.sign
    http://loop-aes.sourceforge.net/PGP-public-key.asc
    1024/3A220F51 5B 4B F9 BB D3 3F 52 E9  DB 1D EB E3 24 0E A9 DD

Regards, 
Jari Ruusu <jari.ruusu@xxxxxxxxxx>

Linux-crypto:  cryptography in and on the Linux system
Archive:       http://mail.nl.linux.org/linux-crypto/
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