Jerry Leichter wrote:
> NFC?
Near Field Communications - the wireless equivalent of
whispering in someone's ear. Ideally, a NFC chip should
only be able to talk to something that is an inch or so
away, and it should be impossible to eavesdrop from more
than a foot or so away.
Lots of people plan that smart phones shall do financial
transactions through NFC.
<http://www.intomobile.com/2009/04/10/visa-launches-nfc-
service-in-Malaysia.html>
: : Malaysians can now use their Nokia (NYSE:
: : NOK) 6212 to make near-field Visa payments
: : just wave your phone in front of a sensor and
: : bam, instant buy in over 1,800 shops.
These transactions are reversible and made through
authorized retailers, hence, like the widely shared
secret on a credit card, really need very little
security. Anyone to anyone irreversible transactions
would need considerably higher security, but there
appear to be considerable legal and regulatory obstacles
to that.
---------------------------------------------------------------------
The Cryptography Mailing List
Unsubscribe by sending "unsubscribe cryptography" to majord...@metzdowd.com
