Patent ID: 8634559
Filing Date: 2014-01-21
Classification: H04L

Abstract:
1. A computing device configured to generate an aggregate digital signature, said computing device in communication with a radio frequency identification (RFID) device, said RFID device configured to at least one of read and write an RFID tag, and wherein said computing device is configured to: obtain a first signature, said first signature comprising: generate a third signature component by encrypting one of said first and second signature components using a second encryption key in the same manner as said first signature component encrypts said first portion of data; generate a second intermediate signature component from said third signature component and said second portion of data; generate a fourth signature component from said second intermediate signature component and a second private key; and output a second signature as said aggregate digital signature, said second signature comprising the other of said first and second signature components, and said third and fourth signature components.