Re: [cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread Marsh Ray
On 02/24/2012 12:14 PM, Steven Bellovin wrote: http://volokh.com/2012/02/23/eleventh-circuit-finds-fifth-amendment-right-against-self-incrimination-not-to-decrypt-encyrpted-computer/ It's worth noting that some kind folks from the EFF gave a fascinating talk at the recent Shmoocon which dealt

Re: [cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread Jon Callas
On Feb 24, 2012, at 5:43 PM, James A. Donald wrote: > Truecrypt supports an inner and outer encrypted volume, encryption hidden > inside encryption, the intended usage being that you reveal the outer > encrypted volume, and refuse to admit the existence of the inner hidden > volume. > > To su

[cryptography] Fwd: (off-topic) Bitcoin is a repeated lesson in cryptography applications - was "endgame"

2012-02-24 Thread Randall Webmail
From: "John Levine" >The definitive work on financial bubbles is Kindleberger's "Manias, >Panics, and Crashes: A History of Financial Crises." Get the 2005 5th >edition, which was edited by Robert Solow after Kindleberger died. I really shouldn't continue this OT thread any longer, but I'll not

Re: [cryptography] (off-topic) Bitcoin is a repeated lesson in cryptography applications - was "endgame"

2012-02-24 Thread John Levine
>Then you'll find out about Santayana's curse - those that don't study >history are doomed to repeat it. For reference, start with read John >MacKay, _Extraordinary Popular Delusions and the Madness of Crowds_. MacKay turns out not to be all that accurate. The definitive work on financial bubb

Re: [cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread James A. Donald
> Surely the core of the ruling is that no one except the > defendant knows for sure whether the key exists, knows > whether there is an inner truecrypt volume or not. The cross > examination of the forensics witness focused on that point. On 2012-02-25 1:25 PM, d...@geer.org wrote:

Re: [cryptography] Bitcoin in endgame

2012-02-24 Thread James A. Donald
On 2012-02-25 5:49 AM, Thor Lancelot Simon wrote: Is the major purpose of this mailing list really the discussion of political and social theory? Nine tenths of cryptography is the threat model - as the failure of SSL demonstrates. ___ cryptography

Re: [cryptography] (off-topic) Bitcoin is a repeated lesson in cryptography applications - was "endgame"

2012-02-24 Thread James A. Donald
On 2012-02-25 12:53 PM, ianG wrote: > It is also a singular lesson in the emotive power of cryptography to > encourage large numbers of people to hash their intelligent thought > processes. What we are seeing is otherwise rational people invest much > time & effort into what amounts to a ponzi or

Re: [cryptography] Bitcoin in endgame

2012-02-24 Thread ianG
On Sat, Feb 25, 2012 at 05:08:44AM +1000, James A. Donald wrote: The paper presupposes that criminals are such horrible people that everything they touch turns to shit. Not an un-wrong one-line summary of the paper. On 25/02/12 06:49 AM, Thor Lancelot Simon wrote: Is the major purpose of

Re: [cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread dan
> Surely the core of the ruling is that no one except the > defendant knows for sure whether the key exists, knows > whether there is an inner truecrypt volume or not. The cross > examination of the forensics witness focused on that point. One must assume that this nicety does not apply to b

[cryptography] (off-topic) Bitcoin is a repeated lesson in cryptography applications - was "endgame"

2012-02-24 Thread ianG
I changed the title so those only interested in pure crypto can delete and move on. On 25/02/12 04:24 AM, lodewijk andré de la porte wrote: This was an offtopic discussion from the start. The original paper does not include anything about crypto. Yeah, except Bitcoin is a cryptograp

Re: [cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread James A. Donald
On 2012-02-25 7:28 AM, Steven Bellovin wrote: > The first point, not addressed in your note but quite > important to the ruling, is that the key has to be > something you know, not something you have. If the keying > material is on a smart card, you have to turn that over and > you're not protect

Re: [cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread James A. Donald
On 2012-02-25 7:28 AM, Steven Bellovin wrote: The first point, not addressed in your note but quite important to the ruling, is that the key has to be something you know, not something you have. If the keying material is on a smart card, you have to turn that over and you're not protected. I

Re: [cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread James A. Donald
Truecrypt supports an inner and outer encrypted volume, encryption hidden inside encryption, the intended usage being that you reveal the outer encrypted volume, and refuse to admit the existence of the inner hidden volume. To summarize the judgment: Plausibile deniability, or even not very

Re: [cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread Steven Bellovin
On Feb 24, 2012, at 2:30 57PM, James A. Donald wrote: > Bottom line is that the suspect was OK because kept his mouth zippered, > neither admitting nor denying any knowledge of the encrypted partition. > > Had he admitted control of the partition, *then* they would have been able to > compel p

Re: [cryptography] Bitcoin in endgame

2012-02-24 Thread Paul Hoffman
On Feb 24, 2012, at 11:49 AM, Thor Lancelot Simon wrote: > Is the major purpose of this mailing list really the discussion of > political and social theory? I thought I had subscribed to > cryptography@randombit.net, not "I already spent four years doing > political science, thanks." +1. Althou

Re: [cryptography] Bitcoin in endgame

2012-02-24 Thread Marsh Ray
On 02/24/2012 01:49 PM, Thor Lancelot Simon wrote: Is the major purpose of this mailing list really the discussion of political and social theory? I thought I had subscribed to cryptography@randombit.net, not "I already spent four years doing political science, thanks." It is apparently diffe

Re: [cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread Benjamin Kreuter
On Sat, 25 Feb 2012 05:30:57 +1000 "James A. Donald" wrote: > So: Don't talk to police about the contents of your drive, or indeed > anything of which they might potentially disapprove. I believe that you meant to say, "Don't talk to the police at all," which should be standard policy for anyo

Re: [cryptography] Bitcoin in endgame

2012-02-24 Thread Thor Lancelot Simon
On Sat, Feb 25, 2012 at 05:08:44AM +1000, James A. Donald wrote: > If the users of bitcoin are primarily criminals, that is pretty much > what the founders intended. Every middle class man of affairs and > business commits three felonies a day. > > The paper presupposes that criminals are such ho

Re: [cryptography] Bitcoin in endgame

2012-02-24 Thread James A. Donald
If the users of bitcoin are primarily criminals, that is pretty much what the founders intended. Every middle class man of affairs and business commits three felonies a day. The paper presupposes that criminals are such horrible people that everything they touch turns to shit. My experience

Re: [cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread Ali, Saqib
wow deja vu: http://www.mail-archive.com/fde@www.xml-dev.com/msg00623.html ___ cryptography mailing list cryptography@randombit.net http://lists.randombit.net/mailman/listinfo/cryptography

Re: [cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread James A. Donald
Bottom line is that the suspect was OK because kept his mouth zippered, neither admitting nor denying any knowledge of the encrypted partition. Had he admitted control of the partition, *then* they would have been able to compel production of the key. The court did not concede any right to re

[cryptography] US Appeals Court upholds right not to decrypt a drive

2012-02-24 Thread Steven Bellovin
http://volokh.com/2012/02/23/eleventh-circuit-finds-fifth-amendment-right-against-self-incrimination-not-to-decrypt-encyrpted-computer/ --Steve Bellovin, https://www.cs.columbia.edu/~smb ___ cryptography mailing list cryptography@ran

Re: [cryptography] Bitcoin in endgame

2012-02-24 Thread lodewijk andré de la porte
2012/2/23 Moritz Bartl > On 23.02.2012 10:24, Eugen Leitl wrote: > > In general so far I fail to see the validity of most criticisms > > against BitCoin. So far I see the only real problem is government > > crackdown on exchanges, which only makes BTC free-floating > > and slows down the growth o

Re: [cryptography] Duplicate primes in lots of RSA moduli

2012-02-24 Thread ianG
On 22/02/12 13:31 PM, Kevin W. Wall wrote: So, let's bring this back to cryptography. I'm going to assume that virtually all of you are a somewhat altruistic and are not in this game just to make a boatload of money by keeping all the crypto knowledge within the secret priesthood thereby driving