Re: SC-based link encryption

2007-01-05 Thread John Denker
On 01/05/2007 10:53 AM, Paul Hoffman wrote: > You could take an IPsec stack and repurpose it down one layer in the > stack. At least that way you'll know the security properties of what you > create. That is a Good Idea that can be used in a wide range of situations. Here is some additional deta

Re: Tamperproof, yet playing Tetris.

2007-01-05 Thread Peter Gutmann
"Perry E. Metzger" <[EMAIL PROTECTED]> writes: >Handheld "Chip & Pin" terminals for reading credit cards in the UK are >required to be tamperproof to avoid the possibility of people suborning them. >Here is a report from a group that has not merely tampered with such a >terminal, but has (as a dem

Re: SC-based link encryption

2007-01-05 Thread Paul Hoffman
At 7:58 PM -0800 1/3/07, Steve Schear wrote: I haven't been following the smartcard scene for a while. I'm looking to create a low-cost and portable link encryptor, with D-H or similar key exchange, for lower <100kbps data speeds. Is this possible? You could take an IPsec stack and repurpose