simple two-key encryption

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1 total messages Started by Dean Radin Thu, 20 Nov 1986 20:03

#3243

Author: Dean Radin
Date: Thu, 20 Nov 1986 20:03

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Anyone know of a simple scheme or program suitable for a microcomputer 
and written in a language like C or Basic whereby data can be encrypted
with one key and later decrypted with another key?

The application is a computer-based experiment on a Macintosh.  
I need to ensure to some reasonable degree that any data produced 
during the experiment is not alterable or even readable by a clever 
person who might be able to disassemble a compiled program to discover the
encrypting key.  Later I would like to decrypt the data
using a key known only to me.

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