Patent ID: 7221258

Claim:
A system for providing a secure document, the system including: a computer network including a computer and an RFID transponder, the computer having a database, and the database containing a first authorization key and at least one additional authorization key; the secure document, the secure document including an integrated RFID circuit coupled with a flexible substrate; the flexible substrate having a surface, the surface visibly presenting an information; the integrated RFID circuit coupled with the substrate, and the integrated RFID circuit having a durable memory, a controller, and a data security circuit; the durable memory including an information storage sector and a protected sector, the information storage sector having a record of at least a portion of the information, and the protected sector having at least one datum not recorded within the information of the flexible substrate; the controller coupled with the durable memory and the data security circuit, and the controller for enabling access to the durable memory by the RFID transponder as authorized by the data security circuit; and the data security circuit for denying authority to the controller to execute instructions received in a message, where the message is not formatted at least partially in mathematical relationship to the first authorization key, wherein different authorization keys are provided to different parties to form a hierarchy of access to various portions of the information stored within the durable memory.