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 Robotics / RCX / Java / 169
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Subject: 
Re: RCX as a PGP engine
Newsgroups: 
lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java
Date: 
Tue, 19 Mar 2002 17:34:03 GMT
Viewed: 
98 times
  
> I just 'ported' (euphemism for minor modifications) some
> code lingering on the web for fun and voila: MD5 on RCX
> is up and running (lejos). If anyone's interested, I can
> post the code.

Definitely post it! Better than that, how about sending me the code and I'll
add it to our robots section as a unique demonstration.

> > It would be a nice project for somebody to implement bignums on leJOS,
> > the API is in java.math.BigInteger .
> work in progress, but it's probably not going to be of any use
> for implementing, say, RSA. (memory, no GC,...) (maybe when restricting
> BigInt just to what is needed for RSA computation...)

Shouldn't be a problem. Most of the source code in the official Sun package
is easy to port to leJOS. BigInteger probably has a lot of native code for
speed though. People are sure going to wonder "Why did they make BigInteger
for robot projects?" :)

- Brian
http://www.mts.net/~bbagnall



Message has 1 Reply:
  MD5 available (was: RCX as a PGP engine)
 
I just put my java MD5 port for lejos on the web: (URL) for the popups, Tripod....) It's a terrible hack, but thanks to that memory footprint is low and it does not leak! Let me know if you find it useful. Have fun, Bart. (25 years ago, 7-Apr-02, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)

Message is in Reply To:
  Re: RCX as a PGP engine
 
(...) I just 'ported' (euphemism for minor modifications) some code lingering on the web for fun and voila: MD5 on RCX is up and running (lejos). If anyone's interested, I can post the code. It allows for authentication (PC sends random challenge, (...) (25 years ago, 18-Mar-02, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)

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