A method and apparatus (10) for the secure transmission of static data (16) from a tag (11) to a remote reader (12). Each time the static data (16) is to be transmitted to the reader (12), the 10 bits of static data (16) are combined with 54 bits of binary data (21), which constantly change from one...http://www.google.fr/patents/US5321753?utm_source=gb-gplus-shareBrevet US5321753 - Secure communication of static information by electronic means
Secure communication of static information by electronic means
