Re: [fc-discuss] Financial Cryptography Update: On Digital Cash-like Payment Systems

2005-10-31 Thread cyphrpunk
On 10/28/05, Daniel A. Nagy [EMAIL PROTECTED] wrote: Irreversibility of transactions hinges on two features of the proposed systetm: the fundamentally irreversible nature of publishing information in the public records and the fact that in order to invalidate a secret, one needs to know it;

Re: [EMAIL PROTECTED]: [IP] more on U.S. passports to receive RFID implants start

2005-10-31 Thread Eugen Leitl
On Sat, Oct 29, 2005 at 08:42:35PM -0400, Tyler Durden wrote: One thing to think about with respect to the RFID passports... Um, uh...surely once in a while the RFID tag is going to get corrupted or something...right? I'd bet it ends up happening all the time. In those cases they probably

Re: Return of the death of cypherpunks.

2005-10-31 Thread John Kelsey
From: James A. Donald [EMAIL PROTECTED] Sent: Oct 28, 2005 12:09 PM To: [EMAIL PROTECTED] Subject: Return of the death of cypherpunks. From: Eugen Leitl [EMAIL PROTECTED] .. The list needs not to stay dead, with some finite effort on our part (all of us) we can well resurrect it. If there's

Re: [EMAIL PROTECTED]: [IP] more on U.S. passports to receive RFID implants start

2005-10-31 Thread Major Variola (ret)
At 01:31 AM 10/30/05 -0700, Bill Stewart wrote: They've said they'll fall back on the traditional If we can't read the passport it's invalid and you'll need to replace it before we'll let you leave the country technique, just as they often do with expired passports and sometimes What is the

Re: [EMAIL PROTECTED]: [IP] more on U.S. passports to receive RFID implants start

2005-10-31 Thread Roy M. Silvernail
Tyler Durden wrote: One thing to think about with respect to the RFID passports... Um, uh...surely once in a while the RFID tag is going to get corrupted or something...right? I'd bet it ends up happening all the time. In those cases they probably have to fall back upon the traditional

Re: Multiple passports?

2005-10-31 Thread Justin
On 2005-10-29T21:17:25-0700, Gregory Hicks wrote: Date: Sun, 30 Oct 2005 03:05:25 + From: Justin [EMAIL PROTECTED] If I apply for a new one now, and then apply for a another one once the gov starts RFID-enabling them, will the first one be invalidated? Or can I have two

RE: [EMAIL PROTECTED]: [IP] more on U.S. passports to receive RFID implants start

2005-10-31 Thread Tyler Durden
One thing to think about with respect to the RFID passports... Um, uh...surely once in a while the RFID tag is going to get corrupted or something...right? I'd bet it ends up happening all the time. In those cases they probably have to fall back upon the traditional passport usage and

Re: Multiple passports?

2005-10-31 Thread Eugen Leitl
On Sun, Oct 30, 2005 at 03:05:25AM +, Justin wrote: If I apply for a new one now, and then apply for a another one once the gov starts RFID-enabling them, will the first one be invalidated? Or can I have two passports, the one without RFID to use, and the one with RFID to play with? Here

Re: Any comments on BlueGem's LocalSSL?

2005-10-31 Thread R.A. Hettinga
At 11:10 AM -0700 10/28/05, James A. Donald wrote: I am a reluctant convert to DRM. At least with DRM, we face a smaller number of threats. I have had it explained to me, many times more than I want to remember, :-), that strong crypto is strong crypto. It's not that I'm unconvinceable, but I'm

Re: Multiple passports?

2005-10-31 Thread Peter Gutmann
Gregory Hicks [EMAIL PROTECTED] writes: As for applying for one now, I think the deadline for the non-RFID passwords is about 3 days away (31 Oct 2005), but I could be wrong. (In other words, if your application is not in processing by 31 Oct, then you get the new, improved, RFID passport.) Ahh,

Re: Blood, Bullets, Bombs and Bandwidth

2005-10-31 Thread Justin
On 2005-10-22T01:51:50-0400, R.A. Hettinga wrote: --- begin forwarded text Tyler and Jayme left Iraq in May 2005. The Arbil office failed; there wasn't enough business in Kurdistan. They moved to London, where Tyler still works for SSI. His time in Iraq has transformed him to the extent

RE: Return of the death of cypherpunks.

2005-10-31 Thread Tyler Durden
I don't agree. One thing we do know is that, although Crypto is available and, in special contexts, used, it's use in other contexts is almost counterproduct, sending up a red flag so that those that Protect Our Freedoms will come sniffing around and bring to bear their full arsenal of

Re: Return of the death of cypherpunks.

2005-10-31 Thread James A. Donald
-- James A. Donald: Since cryptography these days is routine and uncontroversial, there is no longer any strong reason for the cypherpunks list to continue to exist. John Kelsey The ratio of political wanking to technical posts and of talkers to thinkers to coders needs to be

Multiple passports?

2005-10-31 Thread Justin
If I apply for a new one now, and then apply for a another one once the gov starts RFID-enabling them, will the first one be invalidated? Or can I have two passports, the one without RFID to use, and the one with RFID to play with? -- The six phases of a project: I. Enthusiasm. IV.

Re: Any comments on BlueGem's LocalSSL?

2005-10-31 Thread R.A. Hettinga
At 7:51 PM -0400 10/28/05, R.A. Hettinga wrote: OTOH, if markets overtake the DRM issue, ^ moot, was what I meant to say... Anyway, you get the idea. Cheers, RAH -- - R. A. Hettinga mailto: [EMAIL PROTECTED] The Internet Bearer

Re: Blood, Bullets, Bombs and Bandwidth

2005-10-31 Thread R.A. Hettinga
At 11:59 PM + 10/30/05, Justin wrote: Tyler likes the high-speed lifestyle so much that he ditched it and moved to London? He and Jayme are back in Kurdistan, now. Don't know for how long, though. He's teaching a new class of engineers, including crypto and security stuff. Watched their jaws

Re: Multiple passports?

2005-10-31 Thread Gregory Hicks
Date: Sun, 30 Oct 2005 03:05:25 + From: Justin [EMAIL PROTECTED] If I apply for a new one now, and then apply for a another one once the gov starts RFID-enabling them, will the first one be invalidated? Or can I have two passports, the one without RFID to use, and the one with RFID

Re: [EMAIL PROTECTED]: [IP] more on U.S. passports to receive RFID implants start

2005-10-31 Thread Bill Stewart
At 01:42 AM 10/30/2005, Roy M. Silvernail wrote: Tyler Durden wrote: One thing to think about with respect to the RFID passports... Um, uh...surely once in a while the RFID tag is going to get corrupted or something...right? I'd bet it ends up happening all the time. In those cases they

Re: Multiple passports?

2005-10-31 Thread Jay Goodman Tamboli
On 10/30/05, Gregory Hicks [EMAIL PROTECTED] wrote: The only people that I knew that had two passports were those with an Official (red) passport or a Diplomatic (black) passport. If they wanted to go play tourist, they had to also have a tourist (Blue) passport. I wasn't able to find a

Re: Multiple passports?

2005-10-31 Thread Bill Stewart
When I saw the title of this thread, I was assuming it would be about getting Mozambique or Sealand or other passports of convenience or coolness-factor like the Old-School Cypherpunks used to do :-) On 10/30/05, Gregory Hicks [EMAIL PROTECTED] wrote: The only people that I knew that had two

RE: [EMAIL PROTECTED]: Skype security evaluation]

2005-10-31 Thread Whyte, William
A similar approach enabled Bleichenbacher's SSL attack on RSA with PKCS#1 padding. This sounds very dangerous to me. William -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of cyphrpunk Sent: Friday, October 28, 2005 5:07 AM To: [EMAIL PROTECTED];

Re: packet traffic analysis

2005-10-31 Thread Travis H.
I assume that the length is explicitly encoded in the legitimate packet. Then the peer for the link ignores everything until the next escape sequence introducing a legitimate packet. I should point out that encrypting PRNG output may be pointless, and perhaps one optimization is to stop

AW: [EMAIL PROTECTED]: Skype security evaluation]

2005-10-31 Thread Kuehn, Ulrich
-Urspr√ľngliche Nachricht- Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im Auftrag von cyphrpunk Gesendet: Freitag, 28. Oktober 2005 06:07 An: [EMAIL PROTECTED]; cryptography@metzdowd.com Betreff: Re: [EMAIL PROTECTED]: Skype security evaluation] Wasn't there a rumor last year

Re: [fc-discuss] Financial Cryptography Update: On Digital Cash-like Payment Systems

2005-10-31 Thread cyphrpunk
One other point with regard to Daniel Nagy's paper at http://www.epointsystem.org/~nagydani/ICETE2005.pdf A good way to organize papers like this is to first present the desired properties of systems like yours (and optionally show that other systems fail to meet one or more of these properties);

Re: [fc-discuss] Financial Cryptography Update: On Digital Cash-like Payment Systems

2005-10-31 Thread Daniel A. Nagy
On Fri, Oct 28, 2005 at 02:18:43PM -0700, cyphrpunk wrote: In particular I have concerns about the finality and irreversibility of payments, given that the issuer keeps track of each token as it progresses through the system. Whenever one token is exchanged for a new one, the issuer records

Re: On Digital Cash-like Payment Systems

2005-10-31 Thread John Kelsey
From: cyphrpunk [EMAIL PROTECTED] Sent: Oct 27, 2005 9:15 PM To: James A. Donald [EMAIL PROTECTED] Cc: cryptography@metzdowd.com, [EMAIL PROTECTED] Subject: Re: On Digital Cash-like Payment Systems On 10/26/05, James A. Donald [EMAIL PROTECTED] wrote: How does one inflate a key? Just make it

Re: packet traffic analysis

2005-10-31 Thread John Denker
In the context of: If your plaintext consists primarily of small packets, you should set the MTU of the transporter to be small. This will cause fragmentation of the large packets, which is the price you have to pay. Conversely, if your plaintext consists primarily of large packets, you

Re: On the orthogonality of anonymity to current market demand

2005-10-31 Thread johns
hi ( 05.10.26 09:17 -0700 ) James A. Donald: While many people are rightly concerned that DRM will ultimately mean that the big corporation, and thus the state, has root access to their computers and the owner does not, it also means that trojans, viruses, and malware does not. do you

Re: packet traffic analysis

2005-10-31 Thread Travis H.
Good catch on the encryption. I feel silly for not thinking of it. If your plaintext consists primarily of small packets, you should set the MTU of the transporter to be small. This will cause fragmentation of the large packets, which is the price you have to pay. Conversely, if your

Re: On the orthogonality of anonymity to current market demand

2005-10-31 Thread R.A. Hettinga
At 10:22 AM -0500 10/31/05, [EMAIL PROTECTED] wrote: and doesn't history show that big corporations are only interested in revenue One should hope so. ;-) Cheers, RAH -- - R. A. Hettinga mailto: [EMAIL PROTECTED] The Internet Bearer Underwriting Corporation