2D barcodes
Take a cryptographic key, encode as a 2D barcode, then load on to a camera phone by taking a picture of the key. Generalizes to other devices of course.
Apr 11 2007 04:56 pm |
Science |
Take a cryptographic key, encode as a 2D barcode, then load on to a camera phone by taking a picture of the key. Generalizes to other devices of course.