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The PC-SIG Library 9
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The PC-SIG Library on CD ROM - Ninth Edition.iso
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DISK0893
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FACT.SHT
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1989-09-30
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EVERETT ENTERPRISES
THE PRIVATE LINE(TM)
FACT SHEET
The Private Line(TM) is a Shareware PC/MS-DOS implementation of the Data
Encryption Standard (DES) published by the National Bureau of Standards,
United States Department of Commerce. It will encrypt any MS-DOS file
(including LOTUS 1-2-3, dBase II/III, WordStar, Word Perfect, Display Write
and others) and will work on IBM PC/XT/AT, PS/2 and compatibles with MS-DOS
2.0 or later, including 3.0 and 4.0 and OS/2.
The Private Line complies with the encryption requirements of the data
encryption algorithm. Any file encrypted by either hardware or software which
meets the requirements of National Bureau of Standards Special Publication
500-20, can be decrypted by The Private Line.
The Private Line contains the following features:
1. Choice of DES Mode of Operation
a. electronic codebook
b. cipher block chaining
c. 64 or 8-bit cipher feedback
d. 64 or 8-bit output feedback
2. Selection of Short Block Processing Method
a. With Padding
b. Without Padding
3. User-friendly menu-driven and/or command line function
4. Single or double file encryption and decryption
5. User-selected alphabetic or hexidecimal keys
6. File purge capability - file overwrite before name
deleted from disk directory
7. Sorted disk directory display capability
8. Binary file conversion to printable ASCII (for telecommunications)
9. User set default switches for the following features:
a. Automatic purge of input file after encryption and/or decryption
b. User-prompt for purge of input file after encryption and/or
decryption
c. Number of times a file is overwritten before it is purged
d. User-prompt before re-use of existing files
e. Key entry echo
f. Choice between command line program exiting to MS-DOS or
The Private Line Master Menu
g. Choice of DES Mode of Operation
(1) electronic codebook
(2) cipher block chaining
(3) 64 or 8-bit cipher feedback
(4) 64 or 8-bit output feedback
h. Selection of Short Block Processing Method
10. Not copy-protected
11. Verifies and demonstrates compliance with DES
12. Pathnames are fully supported
13. File display (binary or ASCII) capability
14. Text file print capability
The Private Line also contains the capability to change (CHDIR), create
(MKDIR), and remove (RMDIR) a directory.
Only 64K RAM is required. The Private Line will work on either hard or floppy
disk systems. The Private Line consists of an executable program and a 46+
page user's manual which contains easy step-by-step instructions on its use.
Evaluation diskettes containing the complete executable Private Line program
and documentation may be ordered from Everett Enterprises by mail or telephone
at a cost of $10 using money orders or checks. Checks must be drawn on U.S.
banks and require a fifteen day clearance period. Please send all mail orders
to EVERETT ENTERPRISES, 7839 Vervain Court, Springfield, VA 22152. Foreign
orders must add $15.00 and include written assurances in accordance with U.S.
Department of Commerce Export Administration Bulletin Number 240. Orders may
also be submitted via CompuServe (70320,107) using Easyplex.
Evaluation copies of The Private Line and its documentation, contained in
TPL702X.ARC (program) and TPL702D.ARC (documentation), may be downloaded from
the CompuServe Bulletin Board IBMNET Special Interest Group. TPL702X.ARC and
TPL702D.ARC are contained in Data Library 0 (new uploads) of the Software
Systems / Utilities Forum for 30 days after being uploaded and thereafter from
Data Library 3 (General Utilities). PKUNPAK may be used to un-archive the
files contained in TPL702X.ARC and TPL702D.ARC.
Evaluation copies of The Private Line may also be obtained from the PC-SIG,
1030D East Duane Ave., Sunnyvale, CA 94086, (800) 245-6717. The Private Line
is contained on Disk 893 of the PC-SIG collection.
After evaluation, a $30 registration fee is required for continued use. A
printed User's Guide is furnished upon registration.
Volume discounts, on-site licenses, and dealer inquires are welcome.
Telephone orders, marketing and technical questions should be directed to
Surry Everett: (703) 866-3914 (7 PM - 10 PM, M-F, EST).
Requests for review copies should be submitted on letter-head stationary to
EVERETT ENTERPRISES, ATTN: Surry Everett, 7839 Vervain Court, Springfield, VA
22152.
Enhancements and Bug Fixes
Version 7.02 is the most current version of The Private Line.
Version 6.01 fixed a bug in the ECB padding routine.
Version 6.02 added the capability to disable the speaker. Several users have
voiced their dislike of the beeps each time the program is waiting for user
input. The default is speaker disabled. The user may enable the speaker from
the Additional Options Menu and change the default by saving the selected
options.
Version 6.02 also changed the key to return to the previous menu. In previous
versions, Control-R was used. Beginning with this version, ESCAPE, will back
the user out of each operation, except for the List Directory option while the
directory is being input by the user. This change is downward compatible;
Control-R continues to work.
Version 6.03 includes the display of the current directory when the program is
waiting for a file name. The hi-light bar may be moved by using the arrow and
page up/page down keys. The high-lighted filename may be selected by pressing
RETURN. The desired filename may still be entered by typing it and/or the
associated path. If the user begins typing a file name, the high-light bar
may still be moved, but when RETURN is pressed, the filename used is the one
entered by the user, not the one under the high-light bar. If a filename
entered by the user is erased by using the backspace key, then the filename
under the high-light bar may once again be selected by pressing RETURN.
Version 6.04 increased the number of filenames from 10 to 50 which are
displayed when the program is waiting for a filename to be entered by the
user. Version 6.04 also added the use of hexadecimal keys from the command
line.
Version 6.05 corrected a bug which occurred when the Private Line was used in
a non EGA environment.
Version 6.06 corrected a bug which occurred when the Private Line is used in a
CGA environment.
Version 7.0 added screen memory write routines for the master and additional
option menus, the opening and closing screens, the directory display and for
the screens from which the filenames contained on the current directory are
displayed.
Version 7.01 corrected an error in the CBC short block decryption routine.
Version 7.02 corrected errors in the short block decryption routine.