Re: Crypto dongles to secure online transactions

2009-11-25 Thread John Levine
we claimed we do something like two orders magnitude reduction in fully-loaded costs by going to no personalization (and other things) ... My concern with that would be that if everyone uses the the same signature scheme and token, the security of the entire industry becomes dependent on the

Re: Crypto dongles to secure online transactions

2009-11-25 Thread Jerry Leichter
On Nov 18, 2009, at 6:16 PM, Anne Lynn Wheeler wrote: ... we could moved to a person-centric paradigm ... where a person could use the same token for potentially all their interactions ... we claimed we do something like two orders magnitude reduction in fully-loaded costs by going to no

Re: Crypto dongles to secure online transactions

2009-11-25 Thread Anne Lynn Wheeler
On 11/21/2009 04:56 PM, John Levine wrote: we claimed we do something like two orders magnitude reduction in fully-loaded costs by going to no personalization (and other things) ... My concern with that would be that if everyone uses the the same signature scheme and token, the security of the

Re: Crypto dongles to secure online transactions

2009-11-25 Thread Anne Lynn Wheeler
On 11/21/2009 05:56 PM, Jerry Leichter wrote: On Nov 18, 2009, at 6:16 PM, Anne Lynn Wheeler wrote: ... we could moved to a person-centric paradigm ... where a person could use the same token for potentially all their interactions ... we claimed we do something like two orders magnitude

Re: Crypto dongles to secure online transactions

2009-11-25 Thread Bill Frantz
leich...@lrw.com (Jerry Leichter) on Saturday, November 21, 2009 wrote: It's no big deal to read these cards, and from many times the inch or so that the standard readers require. So surely someone has built a portable reader for counterfeiting the cards they read in restaurants near big

Re: Crypto dongles to secure online transactions

2009-11-25 Thread Jerry Leichter
On Nov 21, 2009, at 6:12 PM, Bill Frantz wrote: leich...@lrw.com (Jerry Leichter) on Saturday, November 21, 2009 wrote: It's no big deal to read these cards, and from many times the inch or so that the standard readers require. So surely someone has built a portable reader for

Re: Why the onus should be on banks to improve online banking security

2009-11-25 Thread Damien Miller
On Fri, 20 Nov 2009, Peter Gutmann wrote: There's been a near-neverending debate about who should be responsible for improving online banking security measures: the users, the banks, the government, the OS vendor, ... . Here's an interesting perspective from Peter Benson

RE: Crypto dongles to secure online transactions

2009-11-25 Thread Scott Guthery
The FINREAD smart card reader was a European run at moving trust-bearing transactions to an outboard device. It was a full Java VM in a tamper-resistant box with a modest GUI, biometrics, lots of security on the I/O ports and much attention to application isolation. FINREAD readers were produced

Re: Crypto dongles to secure online transactions

2009-11-25 Thread Ray Dillinger
On Fri, 2009-11-20 at 20:13 +1300, Peter Gutmann wrote: Because (apart from the reasons given above) with business use specifically you run into insurmountable PC - device communications problems. Many companies who handle large financial transactions are also ones who, due to concern over

Re: Crypto dongles to secure online transactions

2009-11-25 Thread Darren J Moffat
Peter Gutmann wrote: external data from finding its way onto their corporate networks (they are really, *really* concerned about this). If you wanted this to work, you'd need to build a device with a small CMOS video sensor to read data from the browser via QR codes and return little more than

[fc-announce] FC 2010: Call for Posters. Accepted Papers.

2009-11-25 Thread R.A. Hettinga
Begin forwarded message: From: Radu Sion s...@cs.sunysb.edu Date: November 23, 2009 8:42:06 AM GMT-04:00 To: fc-annou...@ifca.ai Subject: [fc-announce] FC 2010: Call for Posters. Accepted Papers. Financial Cryptography and Data Security Tenerife, Canary Islands, Spain 25-28 January 2010

Proper way to check for JCE Unlimited Strength Jurisdiction Policy files

2009-11-25 Thread Kevin W. Wall
Hi list...hope there are some Java developers out there and that this is not too off topic for this list's charter. Does anyone know the *proper* (and portable) way to check if a Java VM is using the Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy files (e.g., for JDK 6,

Re: TLS break

2009-11-25 Thread Nicolas Williams
On Wed, Nov 11, 2009 at 10:57:04AM -0500, Jonathan Katz wrote: Anyone care to give a layman's explanation of the attack? The explanations I have seen assume a detailed knowledge of the way TLS/SSL handle re-negotiation, which is not something that is easy to come by without reading the RFC.

Re: Proper way to check for JCE Unlimited Strength Jurisdiction Policy files

2009-11-25 Thread Kevin W. Wall
FWIW, my implementation of this for OWASP ESAPI is at: http://code.google.com/p/owasp-esapi-java/source/browse/trunk/src/test/java/org/owasp/esapi/reference/CryptoPolicy.java The main() is there just for stand-alone testing. From the ESAPI JUnit tests, I call: if ( keySize 128

Re: Crypto dongles to secure online transactions

2009-11-25 Thread Anne Lynn Wheeler
On 11/21/2009 06:31 PM, Jerry Leichter wrote: Well, my building card is plain white. If anyone duplicated it, there'd be nothing stopping them from going in. But then the actual security offered by those cards - and the building controls - is more for show (and I suppose to keep the riffraff