Re: NONSTOP Crypto Query

2001-01-14 Thread Andrew Cooke
> [A quick contemplation of the wavelength of the sounds in question > would put an end to that speculation I suspect. --Perry] I know this has been somewhat done to death, but there's a nice comparison: GPS positioning using carrier phase tracking is equivalent (well, it's reversed - clicks com

KeyTool internal state

2000-03-08 Thread Andrew Cooke
Hi, Does anyone know the size of the internal state for the random number generator in Java's keytool? A pointer to appropriate Java docs would be sufficient. (This seems to be pretty critical info for deciding how reliable the keys are - the default random number generator in Java does not ha

Re: KeyTool internal state

2000-03-30 Thread Andrew Cooke
mented in the API docs) it was not clear that keytool is implemented in Java and, therefore, uses the standard Java security code. Cheers, Andrew Andrew Cooke wrote: > Does anyone know the size of the internal state for the random number > generator in Java's keytool? A pointer to appr

PRNG State [was: KeyTool internal state]

2000-04-02 Thread Andrew Cooke
pect I am labouring under some pretty major misconception about random PRNGs). Thanks, Andrew Gary Ellison wrote: > >>>>> " " == Andrew Cooke <[EMAIL PROTECTED]> writes: [...] > > Most importantly, as far as I can tell, keytool does not generate "ful

Re: PRNG State [was: KeyTool internal state]

2000-04-03 Thread Andrew Cooke
ay ;-). Cheers, Andrew Andrew Cooke wrote: > > Hi, > > Can someone please correct the following? > > I expect a PRNG with an internal state of n bits to produce output that > is predictable given n consecutive bits of output. Is that correct? If > so, then doesn

Re: Man arrested over theft of Enigma coding machine

2000-04-05 Thread Andrew Cooke
William Knowles wrote: > Grouped together in the so-called 'Ultra' project, the code-breakers, > chief among them British mathematical genius Alan Turing working > alongside mathematicians, linguists and champion chess players, > endeavoured to decipher messages sent between Nazi leaders and > mil

Re: Beginners books on security

2000-06-16 Thread Andrew Cooke
There's a Nutshell book with a green cover and a shark (can't remember the title and don't have it here) that is a very nice gentle introduction to security. Looking at Amazon, it's called "Web Security and Commerce" so I guess that one reason I have such good memories of it is that it would hav