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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: Can't get APR running w/ Tomcat 6.0.33 (Debian)
Date Tue, 20 Dec 2011 20:25:05 GMT
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André,

On 12/20/11 3:10 PM, André Warnier wrote:
> 
> Maybe you could just connect it to the stock market ?

That's an interesting academic question: would "the stock market"
provide enough entropy? On the one hand, everything is essentially
random, but if you look at trends across, say, all stocks of a
particular type (say, tech stocks), their value curves pretty much
match each other. The same can be said for tracking-funds like DJIA,
Nikkei, NASDAQ, etc... when one goes up they all go up. Also, barring
big crashes, the trend is that all values go up (at least in numeric
value) over time.

Now, maybe one could take two similar (or, based upon my "complaint"
above) figures and use the "noise" between the two (since their values
are definitely not exactly the same, even if the curves look similar
at a high-level) for your source of entropy.

Of course, this is not practical: nobody is going to store historical
stock data just for entropy, and nobody is going to query Google
Finance every time their server needs to start. :)

- -chris
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