Feitian Technologies Co., Ltd.

Feitian Technologiesco., Ltd

Hypersecu Information Systems, Inc.

Zte Corporation

Fie Han Technologies Co., Ltd.

Huazhang Yu

Zhou Lu

Mingji Li

Liming Shao

Method for increasing a number of certificates, in which a data endpoint address is set to be an endpoint address of a Chip/Smart Card Interface Devices (CCID) interface that receives instruction data, so Application Protocol Data Unit (APDU) data used for authentication of a Personal Identity Verification (PIV) application of a key device are obtained and sent to the PIV application. The PIV application calls an Application Programming Interface (API) interface to obtain a CCID interface number, obtains a PIV device certificate number according to a general device certificate number in the APDU data and the CCID interface number, obtains a PIV certificate according to the PIV device certificate number, and operates according to the PIV certificate to obtain operation results returned by a virtual machine of the key device to an upper computer according to the data endpoint address. The method overcomes limitation of the number of certificates.

Implementation method and apparatus for increasing number of certificates supported by PIV application

The invention provides a data processing method and device and a computer readable storage medium, and belongs to the technical field of card reader communication. The method comprises the Steps: enabling a card reader to receive and analyze a data packet which is sent by a host and conforms to a first data structural formula, judging whether a first preset field in the data packet is the same as an address of the card reader or not, if yes, determining a data packet verification mode, and verifying the data packet according to the data packet verification mode; and if the verification is passed, determining whether the data packet contains security data, if so, processing the security data in the data packet according to the key to obtain plaintext data, determining a command type, executing corresponding operation according to the command type and the plaintext data, and returning a response data packet conforming to the first data structural formula to the host. According to the invention, the communication data can be effectively prevented from being monitored, stolen and tampered, so that the security of data transmission is ensured.

Data processing method and apparatus and computer-readable storage medium

An implementation method for an encrypted USB flash disk system. A virtual drive letter is bound to an device object and then mapped; driver software wafts for an operation of an operating system on the device object; the driver software determines, according to the operation of the operating system on different device objects, the type of a received instruction; if the received instruction is a reading instruction, the driver software maps a read address in a storage chip according to a first address in the reading instruction, reads data, and calls an encryption lock chip to decrypt the read data to obtain decrypted read data; and if the received instruction is a writing instruction, the driver software calls the encryption lock chip to encrypt data to be written to obtain encrypted write data, maps a write address in the storage chip according to a second address in the writing instruction, and writes the encrypted write data or refuses the operation. The present invention can encrypt and store data and decrypt and read data, thereby ensuring the safety of data reading and writing, and can also use the encrypted USB flash disk as an optical disk for data reading and writing.

Encrypted USB flash disk system and implementation method therefor

A method for implementing a dongle, comprising: a security chip of a dongle determining whether a secure digital (SD) card in a card slot of the dongle is a valid SD card; if the SD card is a valid SD card, when a received instruction is a first/second USB flash drive area access instruction sent by a system, executing an operation of accessing the first/second USB flash drive area; when the received instruction is a PIN code verification instruction for the second USB flash drive area or an encryption area sent by an upper layer, executing a PIN code verification operation on the second USB flash drive area or the encryption area; when the received instruction is a read/write instruction for the encryption area sent by the upper layer, executing a read/write operation on the encryption area; if the SD card is an invalid SD card, when the received instruction is a partitioning instruction, the security chip of the dongle executing a partitioning operation according to a partition information table in the partitioning instruction, storing the partition information table to a secure storage area of the security chip of the dongle, and setting the SD card to be valid. The present invention can ensure that data stored in an SD card is not prone to damage or stealing.

Method for implementing dongle, and dongle

The present application presents a method and an apparatus for synchronizing time by parsing satellite navigation data. A service application obtains current time of a system and caches it as a first time variable, receives and parses the satellite navigation data to obtain all character strings, obtains a character string as a current character string to be processed, determines a type of a system protocol identifier, if it is a preset system protocol identifier, converts a time field of the current character string to be processed into a local time zone time value for storing, obtains the current time and stores it as a second time variable, obtains a first time compensation value according to the first and second time variables, obtains satellite navigation time according to the first time compensation value and the maximum local time zone time value and sets system time as satellite navigation time.

Method and apparatus for synchronizing time by parsing satellite navigation data

A data transmission method, comprising: when a device receives first data sent by an upper computer, parsing the first data to acquire a first content hash value, a first hash value and a first length; performing signature verification on the first data according to a stored first public key; when the signature verification is successful, waiting to receive a data block sent by the upper computer; when the data block is received, verifying the data block according to the first hash value and the first length; and when the verification for the data block is successful, parsing the current data block to obtain the length and the hash value of a next data block and payload data of the current data block, and decrypting the payload data to obtain a payload data plaintext. According to the technical solution of the present invention, the process of data transmission is more secure and efficient.

Data transmission method and data transmission device

A method and system for communicating with an authenticator, which belongs to communication technology field. The method includes: the client generates a first client identification, a first authenticator identification and a first session key, broadcasts data including the first client identification according to a preset time interval; the authenticator scans the broadcast data, obtain a third key to verify the first client identification, generates a second authenticator identification and a second session key if the verifying is successful, notifies that the verifying is successful, stops scanning and broadcasts broadcast data including the second authenticator identification; the client stops broadcasting and scans the broadcast data sent from the authenticator, obtains and verifies the second authenticator identification in the broadcast data, establishes the Bluetooth connection with the authenticator if the verifying is successful; the client performs handshake operation and encryption communication operation.

Method and system for communicating with authenticator

The present disclosure discloses a method and system for implementing fingerprint sharing. When a device receives a fingerprint verifying instruction, starts to collect fingerprint information and determines whether the collected fingerprint information matches a stored fingerprint template, if yes, the device performs computation on the fingerprint template to obtain a fingerprint identification and returns the fingerprint identification to a terminal, the terminal inquires a database to determine whether user information is stored, if yes, the terminal prompts to replace a fingerprint and sends a fingerprint registering instruction, if no, the terminal prompts to input the fingerprint and sends a fingerprint registering instruction to the device; the device receives the fingerprint registering instruction, starts to collect fingerprint information and stores it, after compeleting collection, performs computation on the fingerprint template generated according to the stored fingerprint information to obtain a fingerprint identification and returns the fingerprint identification to the terminal.

Method and system for implementing fingerprint sharing

A communication method for an authenticator, the method comprising: an authenticator is powered on, and enters a connection mode; broadcast data is scanned, a first client identifier in the broadcast data is acquired, and a first key is acquired to verify the first client identifier; if verification is successful, a second authenticator identifier and a second session key are generated, notification is carried out for the successful verification of the first client identifier, scanning is stopped, and broadcast data that comprises the second authenticator identifier is broadcasted; the authenticator receives a request to establish a Bluetooth connection sent by a client, establishes a Bluetooth connection with the client, and performs handshake and encrypted communication operations with the client. According to the present invention, the data in a transmission process is guaranteed to not get stolen, so the data security in the transmission process is improved, and the benefit to the user is thus ensured.

Authenticator and communication method therefor

An electronic device and a method for protecting seed data packet thereof, which relate to the field of information security. The electronic device includes a receiving module, a first obtaining module, a first determining module, a first confirming module, a sending module, a first verifying module, a second determining module, a checking module, a first setting module, a second setting module, a second verifying module, a generating and storing module, a third setting module, a fourth setting module, a data storing module, a key generating module, a third verifying module, a second confirming module, a second obtaining module and an organizing module.

Electronic device and method for protecting seed data packet thereof

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.

Bluetooth hunter and method for quick matching of same

A method for communication between a server and an authenticator. The method comprises: a server generating a first client identifier, a first authenticator identifier and a first session key according to a request sent by a client, and broadcasting, by means of the client, data comprising the first client identifier; an authenticator scanning the broadcast data, acquiring a third key to verify the first client identifier, if verification is successful, generating a second authenticator identifier and a second session key, making a notification of the successful verification, stopping scanning, and broadcasting broadcast data comprising the second authenticator identifier; the client stopping broadcasting, and scanning the broadcast data sent by the authenticator, acquiring and verifying the second authenticator identifier in the broadcast data, and if verification is successful, establishing a Bluetooth connection with the authenticator; and the client performing handshake and encrypted communication operation with the authenticator. By means of the present invention, data not being stolen during a transmission process can be ensured, thereby improving the data security during the transmission process, and ensuring the interests of a user.

Method and system for communication between server and authenticator

A method and system for communicating between Apple mobile device and Apple peripheral. The Apple application runs a first script and sends a credential creating request to a server; when the first script receives a challenge code returned by the server, takes data to be processed as a parameter of user information and a parameter of server information to generate the user information and the server information, sets values of a first extension and a key storing identification to preset values; the Apple application generates register data and sends the register data to the Apple peripheral; the Apple peripheral obtains the data to be processed from the register data and processes the data to be processed, takes the obtained processing result as a second extension to generate a register response; the first script obtains the processing result from the register response.

Method and system for communicating between apple mobile device and apple peripheral

A method and apparatus for measuring the remaining power level of a device. The state of flag bits are detected, a password is calculated when a first flag bit is set, the password is displayed to reset the first flag bit, and the detection of the state of the flag bits is returned to; the total power consumption is calculated when a second flag bit is set, the remaining power level is updated on the basis of the total power consumption and of a second preset value, the second flag bit is reset, and the detection of the state of the flag bits is returned to. The present invention implements increased precision in measuring the remaining power level without additional component, accurately reflects the actual value of the remaining power level of a battery, and incurs no additional power consumption. This does not affect the service life of the device and is inexpensive.

Method and apparatus for measuring remaining power level of device

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.

Growing community of inventors

Beijing, China

Huazhang Yu