New Random Number Generator for encryption
in [Cryptography]
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From: Cristiano on 10 Aug 2010 13:35 Lev Dymchenko wrote: > On 10 ???, 00:57, amzoti <amz...(a)gmail.com> wrote: >> Does it pass these? >> >> http://www.iro.umontreal.ca/~simardr/testu01/tu01.html > > Had not tested with this yet, cause this appears to have somehow > complicated building on Windows. Then try this one: http://www.webalice.it/cristiano.pi/rabigete/ Cristiano
From: Lev Dymchenko on 10 Aug 2010 14:23 On Aug 10, 9:35 pm, "Cristiano" <cristiaN...(a)gmail.com> wrote: > Lev Dymchenko wrote: > > On 10 ???, 00:57, amzoti <amz...(a)gmail.com> wrote: > >> Does it pass these? > > >>http://www.iro.umontreal.ca/~simardr/testu01/tu01.html > > > Had not tested with this yet, cause this appears to have somehow > > complicated building on Windows. > > Then try this one:http://www.webalice.it/cristiano.pi/rabigete/ > > Cristiano Thanks. Getting it now. What sequence size do you suggest?
From: Mok-Kong Shen on 11 Aug 2010 03:48 Joseph Ashwood wrote: > ........ It is extremely weak against differential > attacks. A question quite OT: Could you give a pointer to a good (easy to understand) paper on differential attacks on PRNGs? Thanks. M. K. Shen
From: Lev Dymchenko on 11 Aug 2010 06:41 On Aug 11, 11:48 am, Mok-Kong Shen <mok-kong.s...(a)t-online.de> wrote: > Joseph Ashwood wrote: > > ........ It is extremely weak against differential > > attacks. > > A question quite OT: Could you give a pointer to a good > (easy to understand) paper on differential attacks on PRNGs? > > Thanks. > > M. K. Shen Joseph Ashwood wrote: "the walk that is followed bwteen black and white is only as differentially resilient as the underlying RNG," I believe Joseph talks about analysis of sub sequences of bits, each sub sequence is formed by one particle. They are formed by bits with number kN+si, where si is number of subseqence from 0 to N-1. Particle walks over black and white squares with help of underlying RNG. Joseph would be right, if it was only one particle that freely roam over squares. And the question was only the quality of underlying RNG. However, as particle could move only to free cell, other particles affect trajectory and affect bit sub sequence corresponding to one particle. RNG was tested with different low and high quality underlying rng and results were similar.
From: Lev Dymchenko on 11 Aug 2010 06:48
On Aug 11, 11:48 am, Mok-Kong Shen <mok-kong.s...(a)t-online.de> wrote: > Joseph Ashwood wrote: > > ........ It is extremely weak against differential > > attacks. > > A question quite OT: Could you give a pointer to a good > (easy to understand) paper on differential attacks on PRNGs? > > Thanks. > > M. K. Shen I will try to perform such attack, see previous post. |