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[REBOL] Re: Secure file upload tool design?

From: jasonic:cunliffe:verizon at: 18-Dec-2001 19:01

> You could always implement encryption yourself and > send the files between REBOL client program to > REBOL server using a custom protocol. There are any > number of free sources describing cryptographic > algorithms on the web; the main problem with > implementing them in REBOL may be performance, > since REBOL isn't entirely a speed demon for > math, as I understand it.
Thanks. Yes I tend to believe the easiest adn often most effective security is simply small customized tools designed to play together on both client and server. For that one can use almost anything, images, flash, rebol .. 6 different sister emails designed to be re-assembled etc. Am I right in understanding that the cryptographic needs are only for generating codes? They do not need to run all the time? If so, REBOL's math crunching speed is not really an obstacle. Today I upgraded my version of F-Secures SSH-Telnet Client. They ahave a really cool installation tool. It opens a window and then tells you to move the mouse around. As you do so, a fuel guauge graphic fills pregresses. The softwar uses the manually genrated, random, hard-to-reproduce mouse xy coordinates as seed data for the SSH code. This takes only about 7 seconds to complete. Seems like a very neat way to create secure pascodes on the fly. I hope to try a native REBOL version. Other approaches I have been wondering about: using small photos with embedded data in them. The advantage there is an ancient humanly readable verification combined with encrypted invisble data. A hybrid woudl be to generate small artworks using the mouse tracking.. in effect genreate art to craeet imagery which also embdeds encrypted data within. These could then be used as iconographic security tokens. ./Jason