Patent ID: 8214651

Claim:
A radio frequency identification (RFID) authentication system comprising: a RFID tag associated with a user, said RFID tag comprising a first memory storing a private key and a RFID tag antenna connected to said first memory, said RFID tag antenna transmitting said private key, when activated; a RFID reader comprising a RFID reader antenna activating said RFID tag antenna and receiving said private key; and a computer system in communication with said RFID reader, said computer system comprising: a processor; and a second memory accessible by said processor, said second memory storing encrypted data, said encrypted data being encrypted with a public key related to said private key, said processor further using said private key, as transmitted by said RFID tag antenna of said RFID tag to said RFID reader antenna of said RFID reader, to decrypt said encrypted data in order to generate decrypted data, said decrypted data comprising a password required for access by said user to a secured domain, and said computer system further automatically providing said user with access to said secured domain using said password.