> Take a look at Boojum Mobile -- it is > precisely the idea of using the cell > phone as an out-of-band chanel for an > in-band transaction. > > http://www.boojummobile.com
In the foreseeable future, this approach won't stop fraudulent transactions because the one-time password does not depend on the transaction content. Anything which doesn't display essential parts of the transaction contents to the end user over a trusted channel is doomed to failure. --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]
