|Small Form Factor PCs||
Last updated: 2010 Oct 20
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A collection of information about various computer software packages that have come to my attention over the years. For computer software that addresses the needs of digital photography
see my Digital
Photography Software page.
The TinyIDEA program is an implementation of the IDEA encryption algorithm (see my computer security page for more information and other sources), it is a DOS mode program (and can only work data files with a three letter file extension). You need to put the idea3c.com file some where on your PATH (perhaps just drop it into the C:\WINDOWS directory), and rename it to idea.com. There are two other versions of the program in the zip file, but they are a bit less user-friendly. To use it to encrypt a file (called "filename.ext") just CD to where the file is and type:
idea + filename.extit will then prompt you twice for the password, if you don't type the same thing twice it will not do anything, otherwise it will encrypt the file. To decrypt the file you do:
idea - filename.extagain you must type the password the same way twice for it to do its job. To use it to erase some file you can just run it as if you were trying to encrypt the file and then supply a long password and after it has encrypted the file you delete the file and forget the password.