Re: Is there any future for smartcards?

2005-09-12 Thread Eugen Leitl
On Sun, Sep 11, 2005 at 06:49:58PM -0400, Scott Guthery wrote: > 1) GSM/3G handsets are networked card readers that are pretty > successful. They are I'd wager about as secure as an ATM or a POS, > particularly with respect to social attacks. The smartphones not secure at all, because anything y

Re: Is there any future for smartcards?

2005-09-12 Thread Jaap-Henk Hoepman
I believe smartcards (and trusted computing platforms too, btw) aim to solve the following problem: "How to enforce your own security policy in a hostile environment, not under your own physical control?" Examples: - Smartcard: electronic purse: you cannot increase the amount on your e-pu

Re: ECC patents?

2005-09-12 Thread Ben Laurie
Alexander Klimov wrote: On Sun, 11 Sep 2005, Ben Laurie wrote: Alexander Klimov wrote: ECC is known since 1985 but seems to be absent in popular free software packages, e.g., neither gnupg nor openssl has it (even if the relevant patches were created). It looks like the main reason is some p

Re: ECC patents?

2005-09-12 Thread Alexander Klimov
On Sun, 11 Sep 2005, Ben Laurie wrote: > Alexander Klimov wrote: > > ECC is known since 1985 but seems to be absent in popular free > > software packages, e.g., neither gnupg nor openssl has it (even if the > > relevant patches were created). It looks like the main reason is some > > patent uncert

Re: Clearing sensitive in-memory data in perl

2005-09-12 Thread Jason Holt
On Mon, 12 Sep 2005, Sidney Markowitz wrote: Does anyone know of an open source crypto package written in perl that is careful to try to clear sensitive data structures before they are released to the garbage collector? [...] Securely deleting secrets is hard enough in C, much less high leve