Statistics question: reconstruction of a signal from sampling its linear transform

alculate the number of samples needed to get the "reliability" of the predictions above a certian threshold, and how to calculate the percentage of the predictions are "reliable"? (If I use the median, it'll always be half; if I use some other function, it'll

Re: number of ones

I wrote > What's the average number of ones in a randomly-chosen N-bit number? Duh.. Sorry, I was thinking of the average number of bits that change on increment. The answer's obviously N/2 for the above. -- Mike Stay Cryptographer / Programmer AccessData Corp. mailto:[EMAIL PROTECTED]

Re: Eason/Kawaguchi stego

seed w/ the public key, put it at the start, recover that with your private key, seed the generator, and extract the pgp message. That way, there's known plaintext, but you don't know where to look for it. -- Mike Stay Cryptographer / Programmer AccessData Corp. mailto:[EMAIL PROTECTED]

today on lanl preprint site

unconditionally secure against quantum attack. (12kb) -- Mike Stay Cryptographer / Programmer AccessData Corp. mailto:[EMAIL PROTECTED]

$1000 passphrase generation contest

f the contest are at http://www.cs.oberlin.edu/students/mstay/contest.html -- Mike Stay mailto:[EMAIL PROTECTED]

format for storing private key in pgpdisk

ypted? -- Mike Stay Cryptographer / Programmer AccessData Corp. mailto:[EMAIL PROTECTED]

Re: Micro lock?

7;t imagine right now. But firewalls and computer access devices...I have trouble seeing it. http://www.wired.com/news/news/technology/story/15572.html" -- Mike Stay Cryptographer / Programmer AccessData Corp. mailto:[EMAIL PROTECTED]

Re: quantum codebreaker

-- Mike Stay Cryptographer / Programmer AccessData Corp. mailto:[EMAIL PROTECTED] Dear Mike, I think you've overestimated the implications of this method for code breaking. My previous work with Dan Abrams did indeed show that nonlinear quantum mechanics could be used to sol

Re: quantum codebreaker

anics, which are linear, appear extremely >consistent with the measured reality. Yep. "Extremely" meaning something like an inconceivable 14 decimal places. It will be interesting to see if this paper provides a way around the linearity or not. [snip] -- Mike Stay Cryptographer / Programmer AccessData Corp. mailto:[EMAIL PROTECTED]

Re: quantum codebreaker

te: >> At 12:26 PM 5/21/99 -0600, Mike Stay wrote: >> There are actually two papers on the LANL site that say >> nonlinear quantum computers imply quantum polynomial time >> solves NP: > >We have, however, quite overwhelming reason to believe that >the Hamiltonian i

Re: quantum codebreaker

gov/abs/quant-ph/9804025 -- Mike Stay Cryptographer / Programmer AccessData Corp. mailto:[EMAIL PROTECTED]

quantum codebreaker

search in log N time instead of sqrt N time. If today's paper is correct, then it's just a matter of sufficient technology to break ANY code with a known-plaintext attack. -- Mike Stay Cryptographer / Programmer AccessData Corp. mailto:[EMAIL PROTECTED]

How to export strong crypto & still satisfy ITAR

d shall not, by reason of the launching of such vehicle, be considered an export for purposes of this subchapter... That should make the Software Publisher's Association happy." -- Mike Stay Cryptographer / Programmer AccessData Corp. mailto:[EMAIL PROTECTED]

idea, cast as used in PGP

pting anything with symmetric keys) without paying royalties? -- Mike Stay Cryptographer / Programmer AccessData Corp. mailto:[EMAIL PROTECTED]