I thought a nibble was 4 bits... TimH
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of > larry a price > Sent: Thursday, December 13, 2001 2:48 PM > To: '[EMAIL PROTECTED]' > Subject: [EUG-LUG:568] RE: variations on a theme > > > a bit is a bit is a bit, no matter how you represent it. > > The I Ching stuff is just a handy and culturally rich way of > representing > bits. Plus it gives me a target implementation for new > protocols etc. > > "appearances deceive, see things as they are" > > most machines represent bytes as 8 || 32 || 64 bits, but in actual > practice you get things like ascii 7-bit encoding with one bit parity > checking that is the parity bit is TRUE if the preceding > 7-bits represent > an even numbe FALSE other wise, using a 6-bit data segment > leaves a 2-bit > nibble to use for error correction. > > Am I thinking about writing a web-based programming environment for a > virtual machine with 64 possible instructions??? maybe later. > > As far as Key servers, setting one up requires a special > piece of hardware > (intel sells a model that fits in a standard PCI slot) that > is a hardware > /dev/random, there is then a daemon that broadcasts at a > fairly high rate > a stream of packets consisting of , > <timestamp> > <fixed length random key> # usually 1024 or 2048 > <hash of the 2 previous segments> > > For it to be effectively secure several conditions need to be met, > namely enough noise is being produced that it is effectively > not possible > for an attacker to record and test any significant fraction > of possible > keys. Note that this method does require coordination between > alice and > bob (they need to decide how to abstract the key stream) but > that it does > provide effectively secure communication for large quantities of data > (think voice or video). > > http://www.efn.org/~laprice ( Community, Cooperation, Consensus > http://www.opn.org ( Openness to serendipity, > make mistakes > http://www.efn.org/~laprice/poems ( but learn from > them.(carpe fructus ludi) > http://allie.office.efn.org/phpwiki/index.php?OregonPublicNetworking >
