Re: [cryptography] GOST attack

2011-06-15 Thread Danilo Gligoroski
Danilo Gligoroski wrote: Now, 64-bit blocks are much bigger than 4-bit blocks, (and the secret key is still 256 bits i.e. much larger than the block size), but the principles of the codebook attack are the same. Marsh Ray wrote: Hmmm...there's more than proportional exponents going on here.

Re: [cryptography] sander ta-shma + bitcoin, b-money, hashcash (Re: Is BitCoin a triple entry system?)

2011-06-15 Thread Peter Gutmann
James A. Donald jam...@echeque.com writes: On 2011-06-15 1:29 AM, Ian G wrote: Which, to my mind was the same sin as the alternate: obsession with privacy, including to the extent of eliminating the core requirements of money. The first law of money is that it has to be safe:

Re: [cryptography] sander ta-shma + bitcoin, b-money, hashcash (Re: Is BitCoin a triple entry system?)

2011-06-15 Thread Adam Back
Efficiency is relative. Vs a central bank and Brands credentials its inefficient - a handful of modexps vs say one hundred or a thousand. Vs bitcoin with longest hash chain wins, and minimum hash being 10 minutes work for the entire network, I think straight DLREP on all the coins in a time

Re: [cryptography] crypto security/privacy balance (Re: Digital cash in the news...)

2011-06-15 Thread Nico Williams
On Wed, Jun 15, 2011 at 3:22 AM, Adam Back a...@cypherspace.org wrote: Well said StealthMonger, I suspect Nico is in the minority on this list with that type of view. I read Nico's later reply also.  Short of banning crypto privacy and security rights stand a better chance of being balanced

[cryptography] If this isn't a honey-pot, it should be

2011-06-15 Thread Jack Lloyd
Need something to be encrypted? Just upload it to us and we'll encrypt it for you. Don't worry, we delete everything. Promise. https://encryptur.com/ In fairness, this is no worse that downloading some random program off the internet and using it for the same purpose. At least here the worst

Re: [cryptography] crypto security/privacy balance (Re: Digital cash in the news...)

2011-06-15 Thread StealthMonger
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Nico Williams n...@cryptonector.com writes: crypto has a place ... to protect us ... from foreign powers, and from casual inspection by one's state Some folks do not choose to have a state. For them, all states are foreign powers. You must

Re: [cryptography] crypto security/privacy balance (Re: Digital cash in the news...)

2011-06-15 Thread Jeffrey Walton
On Wed, Jun 15, 2011 at 2:36 PM, StealthMonger stealthmon...@nym.mixmin.net wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Nico Williams n...@cryptonector.com writes: crypto has a place ... to protect us ... from foreign powers, and from casual inspection by one's state Some

Re: [cryptography] If this isn't a honey-pot, it should be

2011-06-15 Thread Marsh Ray
On 06/15/2011 01:43 PM, markus reichelt wrote: * Marsh Rayma...@extendedsubset.com wrote: Note that this site is sourcing Google analytics. ... so? A site can be no more secure than the places from which it sources script (or just about any resource other than images). In all

Re: [cryptography] Is Bitcoin legal?

2011-06-15 Thread Jeffrey Walton
On Wed, Jun 15, 2011 at 10:14 PM, Steven Bellovin s...@cs.columbia.edu wrote: http://www.concurringopinions.com/archives/2011/06/mining-for-bitcoins.html and it's worth noting that the author of that post, Brian Frye, is a law professor:

Re: [cryptography] Is Bitcoin legal?

2011-06-15 Thread Oleksandr Nikitin
Where's the line between unregistered securities and, for example, gift cards, Linden Dollars, Zynga money, Microsoft Points or other virtual currencies out there? I don't live in USA, but interested anyway. On Thu, Jun 16, 2011 at 05:34, Jeffrey Walton noloa...@gmail.com wrote: On Wed, Jun 15,

Re: [cryptography] Is Bitcoin legal?

2011-06-15 Thread John Levine
Bitcoins aren't securities, because they don't act like securities. There's no promise to pay, no nominal value, and you don't have a claim on some part of something else. Earlier I said that bitcoins are digital tulip bulbs, but now that I think about it, they're really digital pet rocks. They