Feitian Technologies Co., Ltd.

Boe Technology Group Co., Ltd.

K-tronics (suzhou) Technology Co., Ltd.

Feitian Technologiesco., Ltd

Hypersecu Information Systems, Inc.

Other

Zte Corporation

Fie Han Technologies Co., Ltd.

Zhou Lu

Huazhang Yu

Hua Yu

Mingji Li

Feng Zhou

Fan Chen

Yunben Shen

Lihua Sheng

Yu Huang

Liming Shao

Xiaolai Li

Huazhang Zu

The invention provides a working key generation method and device and a computer readable storage medium, and belongs to the technical field of information security. The method comprises the following steps: the terminal receiving an operation instruction sent by an upper computer, obtaining a working key purpose and a working key algorithm according to the operation instruction, setting the working key purpose as a first purpose by the terminal, generating derived data according to the first purpose, a master key identifier, a first numerical value and a master key algorithm, determining the length of a working key according to the working key algorithm, obtaining data in a working key buffer area as a key, generating the working key according with the length of the working key according to the key and the derived data, executing corresponding operation according to the operation instruction and the working key, and returning an operation result to the upper computer. Compared with an encryption scheme in the prior art, the method provided by the invention is safer and wider in application range.

Method and apparatus for generating working key, and computer-readable storage medium

Method for automatically unlocking a screen, which comprises: sending a broadcast carrying a uuid value, when a terminal equipment determines that an equipment to which the broadcast belongs is a connectable equipment according to a signal strength of the broadcast and the uuid value, receiving a Bluetooth connection establishment request sent by the terminal equipment, establishing a Bluetooth connection with the terminal equipment based on the Bluetooth connection establishment request, acquiring to-be-signed data carried in an authentication login instruction, signing the to-be-signed data according to a stored private key to obtain a signature result, and sending the signature result to the terminal equipment, so that the terminal equipment executes an automatic screen unlocking operation according to the signature result. Accordingly, a locked screen can be quickly and automatically unlocked through an automatic unlocking processing based on the Bluetooth connection, so that the method has a relatively high safety.

Automatic screen unlocking method and device, electronic equipment and readable storage medium

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 realizing OTG communication without plugging and unplugging includes: when an apk file of an application is generated, the application presets device information of an associated USB device; when the USB device is connected to a terminal device, a system of the terminal device recognizes an application qualified for initiation according to the device information of the connected USB device; a target application is initiated according to the application qualified for initiation and a user selection result; and the target application initiates a processing thread so as to establish OTG data communication with the connected USB device. The present disclosure realizes that after the USB device is plugged, the corresponding target application on the terminal device is initiated, and the terminal device and the USB device can directly perform OTG communication without the need of hardware connection of the USB device with the terminal device again, thereby avoiding the processing of manually selecting the target application, improving the initiation efficiency, and improving the usage feeling of the user. The disclosure also relates to an apparatus, terminal device and medium for realizing OTG communication without plugging and unplugging.

Method, apparatus, terminal device and medium for realizing OTG communication without plugging and unplugging

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

A method for implementing replacing a startup screen of a smart POS device includes: checking, by the smart POS device, whether an updating screen completing flag exists when detecting a startup, if yes, displaying a corresponding startup screen according to a mirror file in a backup partition, otherwise, displaying a default startup screen according to a screen mirror file in a default startup screen partition; decrypting a received image data ciphertext by using a protection key, verifying data obtained by decrypting, if successful, generating a mirror file of the startup screen according to the data and storing the mirror file; applying for writing access to the backup partition; if the backup partition has a writing permission, clearing the updating screen completing flag and starting to write the stored mirror file in the backup partition; setting the updating screen completing flag after the mirror file is written in the backup partition.

Method for implementing replacing a startup screen of a smart POS device and apparatus thereof

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 apparatus for preventing a processing by a security processor from being interrupted, where the method includes: starting, by an application processor, a security information input page; receiving, switching, by a security processor, a touch panel connection to the security processor; setting, by the application processor, a delay status, calculating a button disable threshold, cancelling an automatic screen shutdown; receiving, by the security processor, security information input by a user through the touch panel, switching the touch panel connection to the application processor; closing, by the application processor, the security information input page, cancelling the delay status, and restoring the automatic screen shutdown. The method further includes: executing, by the application processor, a power button processing according to the button disable threshold and the delay status, when a power button is monitored to be pressed.

Method and apparatus for preventing processing by security processor from being interrupted

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.

Growing community of inventors

Beijing, China

Zhou Lu