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Eigen PC: CD-ROM 37
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EPC_47.BIN
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Muddle
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readme.txt
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1999-12-07
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Muddle Blowfish CFB8 File Encryption
This utility is designed to work with Windows 95, 98 and NT 4.0.
In its free form, Muddle allows a user to encrypt and decrypt any
size file using the Blowfish algorithm and any key, with all key
lengths between 32 bits and 448 bits supported.
There is no need to worry about installing the application. It can
be run anywhere, and if you don't like it enough to keep it, you
can just delete it. Muddle makes no modifications to your system
registry.
Muddle is a simple dialogue based application. A user must choose
a file to encrypt, along with a key file (any file may serve as a
key file, as long as it is long enough to provide enough bytes to
satisfy the chosen key length.
The name of the original file, along with the key filename and
the key length are stored in the encrypted file. So, if the file is
decrypted on the original machine, or a machine with the same directory
structure, there is no need to specify anything apart from the
name of the encrypted file.
If a file is decrypted on another PC, then a key file name can be
specified, and will be used if the "Use chosen key" check box is
checked.
Obviously, if you send an encrypted file to someone else, they will
also need the key that was used to encrypt it in order to be able
to decrypt it. Key distribution is beyond the scope of the free
version of this product.
If you find this utility useful, you may like to purchase the full
featured version, which offers the following:
* fully integrated into the windows shell
* allows you to decrypt a file by double clicking
on it in Windows explorer
* secure key distribution
* full command line support
Plus a free upgrade to the next version of Muddle (when available),
which is scheduled to include:
* digital signatures using DSA with SHA-1
* encrypted file management
* supports Office 97 to open encrypted files for editing and
then save them to their encrypted form again.
* supports DES, IDEA and other internationally recognised algorithms
* email message encryption
All this for:
1-5 user licence: 25UKP
6-10 user licence: 50UKP
11-99 users: 100UKP
100+ users: 500UKP
All prices include VAT and carriage.
Copyright Rycombe Consulting 1999, All rights reserved.
For updates go to www.rycombe.com or email support@rycombe.com