Abstract: A method for realizing an EMV contact transaction without a password, wherein said method is implemented by an EMV IC card and a terminal, wherein when a terminal receives transaction information, it sets a password-free function setting; performs an offline data validation and limitation; performs terminal risk management and a behavior analysis; determines, on the basis of the password-free function setting, whether to perform online processing and performs transaction termination processing; the password-free function setting comprises: when an optional kernel configuration flag in an application parameter corresponding to the current application acquired is set and the transaction amount in the transaction information is greater than a password-free IC card transaction limitation amount, the current application is configured so that verifying the cardholder's PIN is obviated. The present invention allows password-free small-amount transactions, and obviates to upgrade IC cards.

Abstract: A processing method and system of cloud broadcasting and printing data, relating to the field of information security. When receiving a service obtaining request, a server processes first data in the service obtaining request into printing and broadcasting data, processes the printing and broadcasting data into first verifying data and then sends the first verifying data to a cloud broadcasting and printing service platform. The cloud broadcasting and printing service platform processes the first verifying data into second verifying data and then sends the second verifying data to a cloud broadcasting and printing all-in-one machine. The cloud broadcasting and printing all-in-one machine processes the second verifying data into printing and broadcasting data, and extracts printing information and broadcasting information from the printing and broadcasting data at a time and performs broadcasting and printing respectively.

Abstract: A method for implementing low power consumption on standby for a Bluetooth security device. The method comprises: a security module is waked up by a Bluetooth module and configures a working mode as the state of self; a security module determines whether data from the Bluetooth module is received by a fifth preset time; if yes, then executes a corresponding operation on the basis of the received data to produce an operation result, returns the operation result to the Bluetooth module, configures a low power consumption standby mode as the state of self, and waits to be waked up by the Bluetooth module; and if not, then configures the low power consumption standby mode as the state of self, and waits to be waked up by the Bluetooth module.

Abstract: The present disclosure discloses a method for managing a fingerprint and a system thereof, which relates to the field of information technology. The method includes that an upper computer builds a connection with a fingerprint card; the upper computer receives an operation from a user and determines a type of the operation, the upper computer sends the collecting fingerprint instruction to the fingerprint card and the fingerprint card collects a fingerprint and returns a collecting fingerprint response to the upper computer if the operation is a collecting fingerprint operation; the upper computer sends the managing fingerprint instruction to the fingerprint card, the fingerprint card finishes a managing operation on the fingerprint according to the managing fingerprint instruction and returns the managing fingerprint response to the upper computer if the operation is a managing fingerprint operation; and the method further comprises the server authenticates the user information.

Abstract: A method for avoiding a Bluetooth device from being traced, which comprises the following steps: parsing, by a target Bluetooth device, a second dynamic address to obtain a second random number and a second data; and generating, by the target Bluetooth device, a plurality of the third data successively according to the identity parsed keys in the identity parsed keys list save by the target Bluetooth device and a second random number, and determining whether there exists any third data which is the same as the second data, if yes, determining that there exists the second identity parsed key which is authenticated successfully; otherwise, determining that there isn't the second identity parsed key which is authenticated successfully.

Abstract: A working method of an NFC dynamic token, comprising the following steps: after detecting that a preset press key is triggered, the NFC dynamic token activates NFC communication and builds connection with a mobile device via NFC channel; when the NFC dynamic token receives a second instruction from the mobile device, the NFC dynamic token obtains a seed key from the second instruction, stores the seed key and sends a message that writing is successful to the mobile device; when the NFC dynamic token receives a third instruction from the mobile device, the NFC uses self-stored seed data to generate a dynamic password and sends the dynamic password to the mobile device via the NFC channel. According to the present invention, the seed key is written into the NFC dynamic token via the NFC channel, which improves security and flexibility of the dynamic token.

Abstract: A method and an apparatus for implementing logging on of hardware to windows system with version 10 or higher, including: obtaining, by a computer, a first data package according to a registration index corresponding to a device identification of a hardware device when monitoring insertion of the hardware device, encrypting first data package to obtain first encrypted result using first encryption key stored and sending the first encrypted result and the registration index to the hardware device for verifying; when verifying successful, generating third encryption value and fourth encryption value according to second device key stored corresponding to registration index and third random number and second session random number in first encrypted result, encrypting third encryption value and fourth encryption value to obtain second encrypted result using second encryption key, and sending second encrypted result to the computer for verifying; permitting logon when verifying is successful, otherwise refusing log

Abstract: The present disclosure provides a financial card with function of fingerprint verification and a working method therefor, which belongs to information technology field The financial card with function of fingerprint verification includes: a waiting and receiving module (401), a determining module (402), a storing module (403), a first sending module (404), a second sending module (405), a third sending module (406), an application cryptogram module (407) and a fourth sending module (408). The financial card provided by the present disclosure further includes a cardholder verifying module and/or a boot-up verifying module The solution provided by the present disclosure improves security of the identity verification in an e-transaction and makes the e-transaction to be more convenient by using the fingerprint to execute identity verification.

Abstract: A method and apparatus for realizing secure signature, the method includes: when a PIN verification instruction is received, verifying a first calculation result in the instruction by using a second shared key generated according to a terminal public key and a signature module private key, if the verifying is failed, replacing a stored signature module key pair with a regenerated signature module key pair; otherwise, generating PIN verification signature data and storing the PIN verification signature data, generating a second calculation result according to a second shared key and the PIN verification signature data and sending the second calculation result to the terminal; when a signature operation instruction is received, determining whether the PIN verification signature data in the instruction is consistent with the stored PIN verification signature data, if yes, signing an intermediate data to be signed by using a signature private key.

Abstract: An operating method for a credit card, the method comprising: step S1, a microprocessor is powered on to perform system initialization; step S2, the microprocessor hibernates and is awakened when a preset interruption is detected so as to execute step S3; and step S3, the microprocessor executes preset interruption processing by entering a preset interruption processing flow, and exits the preset interruption processing flow when the preset interruption processing is finished, then returns to step S2. Alternatively, the method comprises: step s1, the microprocessor is powered on to perform system initialization; step s2, the microprocessor checks whether a preset interruption marker is set, and if so, the preset interruption marker is reset so as to execute the preset interruption processing, otherwise the microprocessor executes step s3; and step s3, the microprocessor hibernates, is awakened when detecting the preset interruption so as to set the preset interruption marker, and then returns to step s2.

Abstract: A Bluetooth hunter and a method for quick matching of the same, which belongs to the communication field. The method includes: the mobile terminal obtains device identification and clicking identification from the broadcast data package of the Bluetooth hunter, and determines whether the device identification of the Bluetooth hunter is stored in itself, if yes, obtains the clicking identification of the Bluetooth hunter stored in itself according to the device identification; and the mobile terminal sends a matching instruction to the Bluetooth hunter and matches with the Bluetooth hunter when the mobile terminal determines that the clicking identification of the Bluetooth obtained from itself is different from the clicking identification obtained from the broadcast data package of the Bluetooth hunter.

Abstract: A method for recovering an incomplete transaction, includes: step S1: a terminal judges whether a record matching a current transaction identifier exists in records in an incomplete transaction log; step S2: the terminal acquires data recovery data object list related data from the record matching the current transaction identifier; step S3: the terminal generates a recovery application command according to the data recovery data object list related data, sends the recovery application command to a smart card, and receives second response data returned by the smart card; and step S4: the terminal completes a transaction according to the record and data in a terminal database, and ends the procedure. The present invention prevents data in the smart card from being repeatedly processed in the incomplete transaction.

Abstract: A method for integrating an authentication device and a website, the method comprising: a registration plug-in receiving user registration information from a website and a registration result identifier corresponding to the user registration information, and determining whether the user has registered successfully according to the registration result identifier; if yes, then sending registered information to the website and ending the registration process; otherwise, sending a request to obtain device registration, which comprises a user identifier, to an authentication server; receiving the device registration request from the authentication server; sending the device registration request to an authentication device by means of a browser; receiving device registration data, which is generated by the authentication device, by means of the browser; sending a first authentication request comprising the device registration data to the authentication server; receiving a first authentication result from the authen

Abstract: A working method for an IC card having a fingerprint recognition function, comprising: an IC card receiving and determining an instruction type from a terminal, and when determined that the received instruction is an application selection instruction, the IC card selecting an application and returning a response to the terminal; when determined that the received instruction is a processing option acquisition instruction, the IC card acquiring a user fingerprint information verification state according to the content of the instruction, and if verification is successful, returning to the terminal a processing option instruction response containing an application file locator list for which a personal identification number does not need to be verified; if verification fails, returning to the terminal a processing option instruction response containing an application file locator list for which a personal identification number must be verified; when determined that the received instruction is a record reading in

Abstract: A method for querying information in a visual smart card, comprising: a micro control unit receiving, by means of an input device, a query request inputted by a user (S1); the micro control unit determining information queried by a user request according to a received query request (S2); if first information, the micro control unit reading a first information record which is stored thereby, and parsing the first information record to obtain the first information, the first information being displayed by means of a display device (S3); if second information, the micro control unit sending an application selection instruction to a smart card chip, receiving an application selection response returned by the smart card chip, then sending an information record reading instruction to the smart card chip, receiving a second information record returned by the smart card chip, and parsing the second information record to obtain the second information, the second information being displayed by means of the display devi

Abstract: A method for realizing off-line initialization of a hardware wallet, including: generating a key seed according to a mnemonic phrase length when receiving information of building hardware wallet, generating multiple mnemonic word identifications according to the mnemonic phrase length and the key seed, searching for a corresponding mnemonic word from a preset dictionary according to the mnemonic word identification, jointing the mnemonic words to obtain a mnemonic phrase, generating a master key according to the key seed and storing the master key; searching for a corresponding mnemonic word from the preset dictionary according to a letter of a word when receiving information of restoring hardware wallet, obtaining a key seed according to a length of selection information, generating a master key according to the key seed and authenticating the master key, storing the master key if the master key is authenticated successfully; and setting the hardware wallet state as initialized.

Abstract: A communication field, more particularly to a method for providing near field communication device information for a user and a system therefor, where the method includes: when a near field communication device receives a command for reading a near field communication data exchange format file, writing the near field communication device information and a preset application identifier into the near field communication data exchange format file and sending the near field communication data exchange format file to a terminal; obtaining, by the terminal, an application identifier and the near field communication device information from the near field communication data exchange format file; initiating an application corresponding to the application identifier and storing the near field communication device information to a position readable by the application. The method provides a great convenience for a user to obtain the near field communication device information.

Abstract: A manufacturing method of a smart card. The manufacturing method comprises: respectively hollowing out a plurality of substrates to obtain a plurality of hollowed-out substrates (101); synthesizing the plurality of hollowed-out substrates to obtain a multilayer synthesized hollowed-out substrate (102); filling the synthesized hollowed-out substrate with an internal insert (103); and coating the synthesized hollowed-out substrate with adhesive to obtain the smart card (104). By adopting the technical solution that a multilayer synthesized hollowed-out substrate is obtained by synthesizing a plurality of hollowed-out substrates, and the synthesized hollowed-out substrate is filled with an internal insert, the production difficulty of the smart card with a function of human-computer interaction is reduced, and the production efficiency is increased.

Abstract: Provided are a method and a bluetooth device for indicating a function of the bluetooth device via broadcast data. The method includes: organizing, by the bluetooth device, bluetooth broadcast data according to a determined working mode; obtaining, by the bluetooth device, terminal device information from a connecting request in a case that the connecting request is received, and determining whether there exists information in an information-matched list matching with terminal device information, if yes, building a connection and communicating with a terminal device which sends the connecting request, ending the method; otherwise, determining the working mode, matching with and communicating with the terminal device according to the matching type, and writing the terminal device information into the information-matched list and ending the method in a case that the working mode is a matching mode; keeping broadcasting in a case that the working mode is a non-matching mode.

Abstract: The present disclosure relates to the field of communications and, particularly to a visual card and an operating method for the visual card; the visual card includes a main control module, an antenna module, a power management module, a displaying module and a signal converting module; the main control module is connected to all of the antenna module, the power management module, the displaying module and the signal converting module, the signal converting module is connected to the antenna module; the main control module is configured to communicate with an external card read device via the antenna module, update and store key information; the main control module is further configured to monitor an exit signal according to an electronic signal input by the signal converting module.