For the purpose of data encryption a reference data vector is acquired from a reference object. The reference object can be a physical object such as a passport, a biometric feature, or a rendered data object. A set of random vectors for each bit to be encoded is determined on the basis of the reference...http://www.google.fr/patents/US20060227974?utm_source=gb-gplus-shareBrevet US20060227974 - Encryption and decryption method
