71 results about "Rfid authentication" patented technology

A system and method for performing multifactor mobile authentication are described whereby a mobile communications device includes a contactless reader for receiving and validating a unique identifier stored in an external authenticating module prior to granting access to locally stored electronic authenticating material required to access an external resource. In one embodiment, the mobile communications device is a mobile telephone having an RFID reader for receiving the unique identifier from an RFID tag incorporated into the external authenticating module. Preferably, the external authenticating module is associated with a user, such as by being part of the user's jewelry or clothing. The mobile authentication device includes an RFID authenticator module that detects external resource access requests and checks whether the requested resource is on a list of resources that require additional user authentication prior to granting access to locally stored authenticating material.

A system and method of secure asset management comprising an RFID tag attached to an asset, a portable computing device equipped with an RFID transceiver, an inspector RFID authentication badge, and a central database server. The RFID tag includes historical management records of the asset and a cryptographic hash calculated over relevant information to ensure security and authenticity thereof. The portable computing device can read from and write to the RFID tag and read from the RFID authentication badge. Management tasks to be performed by the inspector are determined by the portable computing device based on the authorization level of the inspector read from the RFID authentication badge and the asset information read from the RFID tag. Upon completion of asset management, historical management records are generated by the portable computing device and securely written to the RFID tag by including a cryptographic hash calculated over the relevant information. Historical management records may also include an identifier of the inspector, a timestamp of when the historical management record was generated, and error correction or detection data. Such historical management records may be synchronized with a central database server at a later time.

A system and method for securing Radio Frequency Identification (RFID) transactions is provided. An exemplary method includes using a random number in an authentication tag and authorizing an RF transaction in response to verifying the authentication tag. The method may also involve variously validating an RFID device authentication tag and an RFID reader authentication tag. Additionally, a system and method is disclosed for verifying an RFID transaction device and RFID reader operable with an RF transaction system. The method involves presenting an RFID device to an RFID reader, receiving a random number, creating an RFID transaction device authentication tag using the random number and a counter value, providing the RFID transaction device authentication tag to an RFID reader, creating an RFID reader authentication tag using the counter, random number, and RFID authentication tag, and providing the RFID reader authentication tag and RFID transaction device authentication tag for authentication.

The invention discloses an RFID authentication method and system based on PUFs. The system comprises a backend database, a reader and a tag, wherein communication between the backend database and the reader can be realized by using a conventional network security technology, so that the communication between the backend database and the reader is safe; however, the communication between the reader and the tag is not realized through the conventional network security technology, so that the communication is not safe. The RFID authentication method has the advantages of high safety and authentication efficiency, little in resource consumption and the like, can resist typical attack techniques such as replay attacks, counterfeit attacks, track attacks, physical attacks and the like, has forward safety and backward safety, and realizes bidirectional authentication between the reader and the tag. A public key encryption method is used, so that the RFID authentication method has higher safety.

The invention discloses a RFID (Radio Frequency Identification) security authentication method based on an EPC (Electronic Product Code) C-1G-2 standard. The method is used for solving the technical problem of poor security of the existing RFID security authentication method based on the EPC C-1G-2 standard. A technical scheme is that a tag and a reader use cyclic redundancy check codes (CRC), a pseudo random number generator (PRNG) and bitwise exclusive OR operations, so that known security holes of the existing RFID authentication scheme are solved, tag tracking attacks are resisted effectively, and tag forward security is ensured. Moreover, the method meets the EPC C-1G-2 standard of the low-cost RFID tag, reduces demands on storage and calculation of the tag and can be well suitable for the requirement on application of low-performance equipment.

A method and apparatus for repeated communication sessions between a sender (e.g., RFID tag) and a receiver (RFID reader) that employs a proactive information security scheme is based on the assumption that the information exchanged during at least one of every n successive communication sessions is not exposed to an adversary. The sender and the receiver maintain a vector of n entries that is repeatedly refreshed by pairwise XORING entries, with a new vector of n entries that is randomly chosen by the sender and sent to the receiver as a part of each communication session. Also, a computational secure scheme based on the information secure scheme is employed to ensure that even in the case that the adversary listens to all the information exchanges, the communication between the sender and the receiver is secure. In particular, the scheme can be used in the domain of remote controls (e.g., for cars).

The invention discloses an RFID authentication system and an authentication method based on position privacy cloud, and aims to solve the problems that the position privacy of a reader is revealed, and the tag calculation complexity degree is too high. The authentication method mainly comprises the following steps: transmitting an authentication request to a tag through the reader; responding to the request of the reader through the tag; forwarding the response of the tag to a cloud database server to check and match through the reader through position privacy cloud; feeding back succeeded matching to the reader through the cloud database server; decrypting messages through the reader, completing authentication on the tag, and calculating records required to be updated; after the cloud database server is updated, transmitting verification information to the reader; transmitting privacy values to the tag through the reader in an encryption manner; verifying through the tag, completing authentication on the reader, and updating the privacy value. Due to adoption of the position privacy cloud, the position privacy of the reader is effectively protected, the privacy security problem in the radio frequency recognition and authentication process is successfully solved, the application requirements of RFID are met, and the RFID authentication system and the authentication method are wide in application prospect.

The invention discloses an audio tampering detection device based on time-frequency domain joint features. The device includes an RFID authentication module mainly used for identity authentication; a signal transmission module mainly used for communication with the RFID authentication module and a signal processing module; a signal processing module used for recording device recognition and voice tempering detection on received voice information, wherein voice tempering detection is mainly realized through a tempering detection algorithm of zero insertion for zero crossing rate, EM (Expectation Maximization) algorithm-based resampling voice tempering detection and LPC model-based initiative forensicvoice tempering detection; and recording device recognition is realized through BP neural network-based multimedia mobile equipment audio tempering recognition and detection. The device provided by the invention can store frequency spectruminformation in real time and has distinctive advantages in aspects of interference rejection, multi-band frequency and precision. The device provided by the invention has high economical efficiency, reliability and practical applicability.

Disclosed are an RFID authentication apparatus having an authentication function and a method thereof. An RFID authentication method includes determining, by an authentication reader, an AES key using authentication information received from an authentication tag, generating an output key, encrypting a predetermined length of confirmation data by using the output key, transmitting the encrypted confirmation data to the authentication tag, receiving encrypted confirm response data corresponding to the confirmation data from the authentication tag to decrypt the encrypted confirm response data, and comparing the predetermined length of the confirmation data with the decrypted confirm response data to verify authenticity of the authentication tag.

The invention discloses a Hash function construction method applicable to an RFID authentication system. The method comprises the steps of: establishing a coupled dynamic integer tent map lattice model; determining the size L of the RFID authentication system according to hardware resources and application occasions of the RFID authentication system; carrying out filling on data messages to be hashed, wherein the byte number of the messages after the filling is b, and b is a minimum integral multiple of L; dividing the messages after the filling into a plurality of groups, enabling the byte number of each group to be L, accumulating corresponding bytes of all the groups, then obtaining a remainder with regard to 256, obtaining an array whose byte length is L, and using the array as an iteration initial value; and taking the iteration initial value into the established coupled dynamic integer tent map lattice model for L steps of iteration, and using the iteration result of an L+10 step as an output value of a final Hash function. According to the invention, hashed values different in byte length can be obtained with the change of lattice number, and the hashed value of any byte length can be output.

The invention discloses an encryption method of information transmission in an RFID authentication process. A label can be in communication connection with a reader-writer, and the encryption method comprises the following steps: after the label receives an inquiry instruction of the reader-writer, generating a first random number, and performing xor operation on the first random number and a public key to obtain a first output; providing a label identifier, the first random number and a dynamic sequence value for a one-way Hash function as inputs so as to generate a second output; providing the second output, the public key, the first output and a reader-writer identifier for the one-way Hash function as inputs so as to generate a third output; providing the reader-writer identifier, the label identifier and the public key for the one-way Hash function so as to generate a filtering identifier; and sending a first message to the reader-writer by the label, wherein the first message comprises the second output, the third output, the filtering identifier and the dynamic sequence value. The invention further discloses a highly anonymous RFID authentication protocol based on a Hash function and a dynamic shared key.

The invention claims the protection for a RFID entrusted authentication method for smart home, and relates to the field of smart home. A RFID-based access control system is widely applied to resolutions for smart home. Current access control verification plans fail to be entrusted to scenarios, such as when a user travels or is on business trip and can not entrust other to enter his/her home to complete certain tasks. The invention provides a RFID entrusted authentication plan which can be authorized on the user's own to address the problem. According to the invention, firstly, a general RFID authentication protocol is designed and is applied to general authentication scenarios in smart home; and on the basis of the general RFID authentication protocol, for matters entrusted, an entrusted authentication protocol is provided. The technical solution is designed based on Chebyshev chaotic map, such that the user can remote complete matters entrusted.

The invention discloses an elliptic curve radio frequency identification authentication method based on a resource-constrained tag in order to mainly solve problems of constrained storage resources oftags, power consumption restriction and constraint of the calculating capability of the conventional radio frequency identification RFID authentication. The realization steps of the method include: (1) initializing protocol parameters; (2) authenticating a reader by an electronic tag; (3) updating the protocol parameters; and (4) authenticating the electronic tag by the reader. According to the method, compared with the prior art, mutual authentication between the electronic tag and the reader is realized, the calculating amount and occupied resources of the electronic tag are effectively reduced, the communication safety is guaranteed, and the method can be better applicable to a radio frequency identification RFID authentication system of the resource-constrained tag.

An RFID authentication method has the capacity of resisting tracking attack, the capacity is not only realized by simple secret key updating, a random number requires to be generated in a tag, and the random number is added to computing of authentication process transmission information. A generator of the random number brings increasing of the design complexity and cost of the tag so that the design of a random number automatic updating method has important research significance and use value. The invention provides a secure RFID tag random number automatic updating method. The conventional random number generator is replaced, and the random number is added to computing of the authentication process transmission information so that the RFID tag is ensured to have different feedback information in each time of authentication, and thus the effect of preventing tag tracking can be realized. The random number automatic updating method is based on the original encryption algorithm in the tag, such as HASH, MIXBITS and Rabin, etc. According to the method, the problem of high manufacturing cost of the tag of the present RFID system can be solved, and the security and the authentication efficiency of RFID authentication can be enhanced.

The invention discloses a bicycle garage access system. The bicycle garage access system comprises a garage, a parking space circulation mechanism and an access control system. The parking space circulation mechanism comprises an annular guide rail, a base, a parking space telescopic platform and a bicycle fixing device. The parking space telescopic platform is provided with a sliding mechanism. The side wall of the garage is provided with an access door. A starting and stopping device is arranged in the position close to the access door. A pushing and pulling mechanism is arranged on the other side, corresponding to the access door, of the guide rail. The access control system comprises a control unit, an access request device and a parking detector. According to the bicycle garage access system, by adopting the parking space circulation mechanism, storage of a bicycle is more convenient, the access efficiency is improved, and the implementation cost is low; by adopting RFID verification for an access user, access for the bicycle of the user can be managed better; by placing the bicycle garage access system in a container, mobility of the garage is achieved, the cost can be reduced, and the access using rate of the garage is improved; and by arranging a rear panel and a concave pit on the bicycle fixing device, fixing is simple, convenient, stable and firm, and the fact that the bicycle is separated from the fixing device is prevented.

The invention discloses a highly encrypted RFID authentication system for chip fingerprints. The highly encrypted RFID authentication system comprises a server, a terminal server, a popularization and application module, communication equipment, a client and a database, wherein the server is in control connection with the terminal server; the server is in control connection with the communication equipment and used for achieving information exchange, modification and verification; the server is in control connection with the database, the client and the communication equipment in sequence; and the server and the database are used for controlling information uploading and downloading. In this way, the highly encrypted RFID authentication system for chip fingerprints utilizes the internal physical structure of the physical entity to uniquely identify a single physical entity to realize an effective authentication thought, fully utilizes the RFID of the PUF (Physical Unclonable Function), and utilizes the characteristics of robustness, unclonability and unpredictability of the PUF at the same time, so that the highly encrypted RFID authentication system for the chip fingerprint is widely applied to the field of authentication.

The invention discloses an RFID (Radio Frequency Identification Device) tag random number synchronous updating method, which generally needs to keep the freshness of a message through a random numberin an authentication process of an RFID tag, so as to prevent tracking attack and desynchronization attack on the tag. Due to the computing power of the tag, a common random number generator is difficult to be used in the tag, so that the design of a simple random number updating method of the tag is of great significance. In the random number updating method provided by the invention, a method for generating a new random number by using a random number sent by a reader-writer at a tag end in combination with an encryption function of a tag and initializing a shared random number is provided.According to the method, the freshness of information fed back by the tag each time can be ensured, various attacks such as desynchronization attacks and the like for the RFID tag can be resisted, andthe safety in the RFID authentication process and the generation efficiency of a tag random number are improved.

The invention discloses an authentication method for a multi-owner lightweight RFID tag, and mainly solves the problems of information interaction and resource consumption in the process of authenticating ownership of the tag by multiple owners in radio frequency recognition RFID authentication. The scheme comprises the following steps: 1) initializing protocol parameters; 2) the reader sends identity information to the label; 3) the electronic tag authenticates the reader, and judges whether the sub-key weight contained in the reader reaches a threshold value or not; 4) the rear-end databasereceives the judgment information of the tag and compares the judgment information with self-stored information to authenticate the electronic tag; 5) the label recovers the secret key, compares the secret key and authenticates the back-end database; according to the key sharing method adopted by the invention, the key can be recovered when the weight of the received sub-key reaches a threshold value, so that the protocol is simplified, the information interaction is reduced, the communication safety is ensured, and the key sharing method can be better suitable for a multi-owner RFID authentication system.

The invention relates to an anti-quantum computing RFID authentication method and system based on an asymmetric key pool and secondary remainder. The participants comprise an authentication party anda request party which interact in an RFID mode. Each participant is configured with a key fob; wherein an identity label, a true random number, a public key and a secret key pointer address of the requester are stored in a secret key card of the requester; wherein the key pointer address is used for extracting a corresponding asymmetric key unit from the asymmetric key pool, and by adopting the method, the storage cost in a key card of a requester can be reduced, and the safety in an authentication interaction process of the requester and the requester can be improved.

The invention relates to a technology for transmitting and visualizing building microgrid power consumption data, and provides a building microgrid power consumption data security transmission technology based on RFID legal authentication and hybrid encryption in order to prevent an information eavesdropper from eavesdropping, tampering and forwarding the building power consumption data. Transmission system hardware applying the technology is composed of an intelligent acquisition terminal, a routing node, a protocol conversion gateway and a cloud server. The intelligent acquisition terminal acquires related power utilization data and self-organizes the data to form a ZigBee wireless transmission network. the legality of each node in the ZigBee network is ensured by integrating the RFID technology and the hybrid encryption algorithm, and the security of power utilization data transmission is improved; the encrypted data is packaged into a data frame by a user-defined communication protocol; the encrypted data is transmitted to the protocol conversion gateway through the routing node to realize protocol conversion, finally, the data message is sent through the gateway and stored inthe database of the cloud server, and the client can visualize the power consumption data and remotely control the intelligent acquisition terminal, so that the safety and convenience of building microgrid power consumption data transmission are improved.

The invention relates to an anti-quantum computing RFID authentication method and system based on a symmetric key pool and online and offline signatures. The parties comprise an authentication party and a request party which interact with each other in an RFID mode, wherein each party is configured with a key fob; algorithm parameters are stored in the key fob; an identity label and a public key of the request party, a private key corresponding to the public key, a temporary public key, a temporary private key corresponding to the temporary public key and a symmetric key unit are stored in a key fob of the request party; a symmetric key pair is stored in the symmetric key unit, and the symmetric key pair comprises a first symmetric key, a second symmetric key and a key pointer address; andthe key pointer address is used for extracting a related symmetric key unit from a symmetric key pool. By adopting the anti-quantum computing RFID authentication method, the storage cost in the key fob of the request party can be reduced, and the security in the authentication interaction process of the request party and the request party can be improved.