Security by Spatial Reference: Using Relative Positioning to Authenticate Devices for Spontaneous Interaction.

Rene Mayrhofer Hans Gellersen Mike Hazas Security by Spatial Reference: Using Relative Positioning to Authenticate Devices for Spontaneous Interaction. 199-216 2007 conf/huc/2007 Ubicomp http://dx.doi.org/10.1007/978-3-540-74853-3_12 db/conf/huc/ubicomp2007.html#MayrhoferGH07