摘要:
A communication data protection method based on symmetric key encryption, and an apparatus for enabling the method are provided. A communication data protection method using a Radio Frequency Identification (RFID) reader, the method including: receiving, from a tag, tag information including security parameter information and an encrypted Unique Item Identifier (UII); extracting the UII based on the security parameter information; transmitting, to the tag, a request message including a challenge value for replay prevention; and performing a tag authentication by receiving, from the tag, a response message including a handle and the challenge value.
摘要:
A Radio Frequency Identification (RFID) privacy protection method and apparatus is provided. The RFID privacy protection method includes: receiving a password of a tag; reading a code value from the tag; performing authentication of a user with respect to the tag using the code value and the password; and deactivating the tag electrically or physically based on a result of the performing.
摘要:
An apparatus and method for unifying multiple radio frequency identifications (RFIDs) are provided. The apparatus includes: a data arithmetic operator collecting RFIDs, storing the collected RFIDs, and repeatedly performing the collection and storage when a time out event occurs; a hash arithmetic operator concatenating the RFIDs, hashing the concatenated RFIDs, and outputting a hashed single value; a random number generator generating a random number used as an encryption factor to public-key-encrypt the single value; an RFID tag processor controlling locking/unlocking of the RFID tags; a public key arithmetic operator public-key-encrypting the single value using a predetermined public key and the random number as encryption factors and outputting a cipher text; and a radio frequency communicator converting the cipher text into a radio signal and sending the radio signal to a radio section. Information transmitted to a radio section is a cipher text obtained by public-key-encrypting the single value. Therefore, the number of the RFID tags belonging to a user is not exposed to an eavesdropper, thereby protecting user's privacy.
摘要:
A communication data protection method based on symmetric key encryption, and an apparatus for enabling the method are provided. A communication data protection method using a Radio Frequency Identification (RFID) reader, the method including: receiving, from a tag, tag information including security parameter information and an encrypted Unique Item Identifier (UII); extracting the UII based on the security parameter information; transmitting, to the tag, a request message including a challenge value for replay prevention; and performing a tag authentication by receiving, from the tag, a response message including a handle and the challenge value.
摘要:
Disclosed are a Radio Frequency Identification (RFID) personal privacy control system and a personal privacy protection method using the same which may dynamically process a privacy level according to peripheral circumstances of an RFID tagged object and an owner of the object, thereby securely protecting personal information associated with the RFID tag. The RFID privacy control server, the RFID privacy control server includes a context-aware information collecting unit to collect at least one context-aware information about a user; a privacy level adjusting unit to adjust a privacy level of the user based on the collected context-aware information; and a privacy control unit to determine, according to the adjusted privacy level, whether access of an RFID reader to RFID tag information is allowed, the RFID tag information corresponding to an RFID tag associated with the user.
摘要:
Disclosed is an RSA cryptographic processing apparatus capable of performing the fast operating function. A modular multiplication operation or a modular exponentiation operation, i.e., an RSA cryptographic operation, is selectively performed according to a control signal inputted, the modular operation of the data of 512 to 1024 bits is iteratively performed by use of 32-bit operating unit, and the data of 512 to 1024 bits is operated by use of a 32-bit operating unit, thereby minimizing the size of the register storing the data and reducing the size of the cryptographic apparatus, and which the intermediate value generated at the operation process is stored in the internal register instead of the memory, thereby minimizing the times of access to the memory.