From: Mok-Kong Shen on 1 Jun 2010 03:15 Am 29.04.2010 19:02, schrieb Mok-Kong Shen: > Maaartin wrote: > [snip] >> What is the prize for the challenge? > > I personally hitherto "hate" that money be involved in scientific > discussions on principle grounds. But I think making one such exception > in my life doesn't equal to a very big sin or an unmoral gamble. So > I'll make the following "concrete" offer to you, Mr. Maaartin (and to > you personally "only", since it is you who first raised such an issue). > > The PRNGs will be of the type I mentioned in a reply to you, namely > second order polynomial congruential generators having full period > mod 2^32. Their coefficients and seeds involved I'll randomly > determine, once you accept the offer. The first PRNG will generate a > 2*2 Hill matrix using L*R as I stated in the original post and the > second PRNG will generate a plaintext vector consisting of 2 elements > to result in a ciphertext vector. > > Now, if you (without foreign aid) succeed to determine the PRNG that > generates the Hill matrix from the pair of plaintext and ciphertext > vectors, I'll give you one time 50% of a month's income of mine. If you > fail to do that within 6 months, you give me one time 5% (not 50%) of a > month's income of yours. Is that fair enough for you? For recording purposes I like to say that the above offer (see also my post of 01.05.2010 23:14) has now expired. M. K. Shen |