Dec 132017
 
Nice program that will encrypt and decrypt text files. Includes full C source code, and explanation of algorithmn used.
File TANGLE30.ZIP from The Programmer’s Corner in
Category Word Processors
Nice program that will encrypt and decrypt text files. Includes full C source code, and explanation of algorithmn used.
File Name File Size Zip Size Zip Type
ALGTHM.TXT 1405 500 deflated
AUTHOR.TXT 140 117 deflated
DIR.CPT 492 492 stored
READ.ME 870 498 deflated
TANGLE.C 9503 3138 deflated
TANGLE.COM 20347 11464 deflated
TANGLE.DOC 9977 4046 deflated
UNTANGLE.COM 19568 11011 deflated

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Contents of the READ.ME file


This file accompanies a set of programs to support a personal encryption
system for use with IBM-PC compatibles running MS-DOS. The encryption/
decryption process is symmetric and takes only a few seconds for one or two
pages of text. Very large files take a significant length of time to convert.
The source files for "tangle.com" and "untangle.com" are "tangle.c" with the
ENCRYPT constant set to 1 or 0 respectively. Since not all users may have
access to the Turbo-C compiler, executable versions are also supplied. The
file "tangle.doc" is a user manual. A description of the algorithm is given
in "algthm.txt", and the author's address in "author.txt". The file "dir.cpt"
is a directory of the disk (without itself listed) encrypted with the password
"abracadabra". You can untangle this file and check file sizes etc.


 December 13, 2017  Add comments

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