55results about How to "Encrypted security" patented technology

The invention relates to the field of data encrypting and decrypting, in particular to a data encrypting method and device and a data decrypting method and device.The data encrypting method comprises the steps that at first, an encryption key and original data are obtained; then, an encryption rule is selected from a preset encryption rule base; the encryption key is adopted for encrypting the original data according to the encryption rule to obtain intermediate data; then, identification information corresponding to the encryption rule is obtained; finally, the intermediate data and the identification information are packaged to generate encrypted data.Compared with the prior art, encryption information does not only depend on the carrier key, the encryption rule is selectively used, and the encryption rule is encrypted; meanwhile, in the file transmitting process, only the identification information of the encryption rule exists in the transmission information, and the specific content of the encryption rule does not exist, so that multi-dimensional encryption is achieved, the encryption means is more complex, the key can not be decrypted easily, and encryption safety is higher.

The invention belongs to the technical field of customs clearance and provides a fast customs clearance method. The method comprises that a buyer purchases a product at an international e-commerce platform and submits product information to an order system; the order system generates order information; the order system transmits the order information and / or product identification information to a fast customs clearance service platform in order to write order information and / or product identification information in a RFID tag or generates a two-dimension code; the RFID tag is pasted on the package and the transport sheet of the product or the generated two-dimension code is printed on the package of the product; the order information and a signature verifying secret key are transmitted to a customs in order to notify a logistic transferring company to transport the product; the customs reads the RFID tag or the two-dimension code, matches the product with the order information in order to determine whether the order information is consistent with the product after performing decryption and signature verification by using the signature verifying secret key; the customs passes the product if yes; and the product is processed in a manual detection channel if not. The fast customs clearance method has advantages of low cost, various identification forms, fast processing speed, traceable product source, safe information and convenient supervision.

The invention discloses a multi-network fusion edge computing gateway, which comprises a central processing unit, a real-time operating system, a non-real-time operating system, a real-time database module, a non-real-time database module and a capacity storage module. The multi-network fusion edge computing gateway in the invention has the following beneficial effects: an edge computing operatingsystem NECOS is operated in a gateway, which can realize real-time data collection and real-time control; the interior of the operating system is a service environment where a set of non-real-time operating systems and a set of real-time cores coexist; real-time and non-real-time tasks can be configured according to actual business needs; the non-real-time task and the real-time task can be dynamically adjusted according to the resource service condition of the gateway; a special data channel can be established between two environments to achieve the purpose of data share exchange; besides, various Internet-of-Things sensing requirements are collected and controlled in a multi-network fusion manner; rapid response, data optimization filtering, and sensitive data security encryption are realized with strong edge computing capability; and burden is reduced for the cloud, and intelligent upgrade of the Internet of Things is realized.

The invention discloses a multipath Bluetooth signal adaptation device, which comprises a Bluetooth transceiving combined module and an external Bluetooth sensing module, wherein the Bluetooth transceiving combined module is matched with the external Bluetooth sensing module; the Bluetooth transceiving combined module is internally provided with a state indicating lamp system, a Bluetooth signal integration encoding system, a USB signal output interface and a power supply connection interface; and the Bluetooth signal integration encoding system is connected with the USB signal output interface. The multipath Bluetooth signal adaptation device can be used for connecting 15 sets of Bluetooth equipment, solves the problems that the traditional Bluetooth equipment can only in one-to-one connection, the transmission distance is short, the equipment are not compatible and the like; and the 15 sets of Bluetooth equipment are subjected to unified coding, the transmission efficiency of data signals is increased, the structure is compact, the resource consumption of the device is low, the power consumption is low, the cost is low, and the operation is stable and reliable.

The invention discloses a U disk security encryption management method. The method comprises the following steps of 1) establishing a connection; 2) performing login; 3) performing general region operation; 4) performing encrypted region operation; 5) performing transmission file security management; 6) performing storage file security management; and 7) performing hardware environment security management. According to the U disk security encryption management method, a general region is arranged in a U disk, so that the U disk is used as a general U disk; an encrypted region is arranged in the U disk, so that the U disk is used as an encrypted U disk; the encrypted region is hidden when not in use; when the encrypted region needs to be used, the login is performed as an administrator through a login display program set in the encrypted region, so that files of the encrypted region can be displayed; each encrypted file is provided with an encryption end and an independent encryption program, so that the encrypted files are very secure and difficult to decrypt; and the usage efficiency of the U disk is fully improved.

The invention relates to a mobile phone network remote control method based on voice recognition. The method comprises the following steps: starting a client; judging the situation; connecting a mobile phone voice recognition system under a conventional situation, and acquiring voice through the voice recognition system; analyzing voice information to judge whether or not the information is correct; if the information is judged to be wrong, returning a login interface for acquiring voice once again; if the information is judged to be correct, entering a setting interface, and accepting parameters set by a user; synchronously acquiring current time information and making a judgment; if the judged current time is within a time interval in which a network is allowed to be enabled set by the user, keeping network connection; if the judged current time is outside the time interval in which the network is allowed to be enabled set by the user, keeping network disconnection; and if the situation is a special situation, requesting remote permission. The mobile phone network remote control method has the beneficial effectives that parents can set the time interval in which the network of a mobile phone is allowed to be enabled, and network control is performed, so that the call function of the mobile phone is not influenced, and learning of children is not influenced. The influences of games and undesirable Internet information on juveniles are effectively prevented.

The invention relates to a bracelet and terminal-based U disk encryption method and system. A bracelet, a terminal and a U disk are initially matched and are mutually bound correspondingly and an authentication key is generated and stored. When data information in the U disk needs to be accessed, a command of obtaining an identity authentication key needs to be transmitted to the terminal; the identity authentication key is compared with the identity authentication key during initialization after being transmitted by the terminal; if the identity authentication keys are consistent, the bracelet is controlled to transmit a password obtaining command to the terminal; and the terminal transmits a preset password to the bracelet, so that read-write operation can be carried out on the U disk. That is to say, the identity authentication key of the terminal needs to be compared with that of the U disk, the preset password can be can be transmitted to the bracelet after correct comparison, and then a user completes the read-write operation according to the preset password. By adopting bidirectional authentication, encryption of the U disk is safer and more reliable through authentication for multiple times.

The invention discloses a network connecting encryption method of a mobile terminal. The network connecting encryption method includes that a first initial link secret key is generated by a network connecting module of the mobile terminal, a second initial link secret key is generated by a server, a public link secret key is generated by mutual verification performed by the mobile terminal and the server, and the public link secret key is the secret key with identification code length of 4; the server encrypts received network data through the public link secret key and sends the encrypted network data to the mobile terminal, the mobile terminal receives and matches the data, and connection is built when the data match successfully. By the means, the network connecting encryption method of the mobile terminal is simple in encryption, the secret key with the identification code length of 4 can meet requirements of mobile devices, pressure on data processing of the server is effectively reduced, encryption is safe, attacked rate of the mobile terminal is effectively lowered, and user's information can be protected.

The invention provides an encryption and decryption module and a meter reading system suitable for a DLMS / COSEM communication protocol, the encryption and decryption module is applied to an electric energy meter and a reading device in the meter reading system, the encryption and decryption module comprises an encryption and decryption main control chip, an encryption and decryption interface circuit, an encryption and decryption power supply circuit and an operation indicating lamp, and the encryption and decryption main control chip is used for completing encryption and decryption operation of data; the encryption and decryption interface circuit is used for data and signal interaction between the encryption and decryption module and an external module; the encryption and decryption power supply circuit is used for converting a power supply level input by the encryption and decryption interface circuit into a level required by the encryption and decryption module; and the operation indicating lamp is used for displaying the operation state of the encryption and decryption module. According to the encryption and decryption module and the meter reading system, an encryption algorithm is separated from a service program, so that encryption is safer and more reliable; the key is stored in the encryption and decryption module, so that the key is effectively prevented from being stolen; the encryption and decryption module integrates various encryption algorithms in DLMS / COSEM communication, system developers do not need to develop any more, the burden of the developers is relieved, and the product development period is shortened.

The invention provides a RS422 based encryption card and an encryption method, and relates to the field of electronic measurement. The RS422 plain data are sent to a DSP main control circuit by an external main control computer in sequence through a first electrical level switch circuit and a photoelectric isolation circuit, the RS422 plain data are received by the DSP main control circuit through the interruptions and when the amount of data reach the specified length through detections, the DSP main control circuit indicates that completed plain data has been received, command identifiers are set in place, when the command identifier information is identified by a DSP main program, the plain data are computed through encryption by adopting a symmetric encryption algorithm, so that encrypted texts are obtained, and finally the encrypted texts are sent to the external main control computer in sequence through the photoelectric isolation circuit and a second electrical level switch circuit. The encryption card can be integrated into the inner side of an automatic test system, through use of the encryption card and the encryption method, the secret keys can be set by utilizing the external computer through the RS422 port and are encryption processed, and the legitimate use of the automatic test system is safeguarded.

The invention relates to a mobile phone network control method based on fingerprint identification. The method comprises the following steps of: starting a client; obtaining fingerprint password information through a fingerprint recognition system; judging whether a password is correct or not; if the judging result is NO, returning to a login interface to obtain a password again; if the judging result is YES, entering a setting interface and accepting parameters set by a user; synchronously obtaining the current time information, and performing judgment; if the judged current time is in the network opening allowing time period set by the user, maintaining the network connection; and if the judged current time is beyond the network opening allowing time period set by the user, maintaining the network disconnection. The mobile phone network control method has the beneficial effects that a parent can set the network opening allowing time period of a mobile phone; the goal is achieved through network control; the communication function of the mobile phone cannot be influenced; the study of a child cannot be influenced; and the influence of games and Internet adverse information on juveniles is effectively avoided.

The invention proposes a mobile application information safety system for a power system, and a transmission method of the mobile application information safety system. The safety system comprises a central processor, and the input end of the central processor is electrically connected with a face recognizer, a fingerprint recognizer, an input keyboard and an output end of a data receiver, whereinthe input end of the data receiver is electrically connected with an output end of an information collection device. The input end of the central processor is electrically connected with the output end of an external power supply. The central processor is in bidirectional connection with a data comparator, a network connector and a storage unit. The output end of the network connector is electrically connected with the input end of the data receiver. The safety system is simple in structure, is convenient to operate, enables the detection to be more convenient, enables the information transmission to be more convenient, brings convenience to the people, and enables the information to be safer through the encryption of fingerprints, face and digits.

The invention discloses an information hiding method and system based on elliptic curve cryptography, and the method comprises the steps: employing an elliptic curve based on a finite field as a substrate, carrying out the scrambling of a secret key, and generating a chaotic sequence through fractional order chaotic mapping. A plaintext picture is scrambled by using the randomness of a chaos sequence, and then picture pixels are encrypted by using the chaos sequence and pixel values to carry out XOR operation, so that the scrambling and diffusion effects are achieved. According to the method, the elliptic curve public key cryptography and the private key encryption based on the fractional order chaotic mapping are combined, the algorithm complexity is improved, the key space is increased, and the algorithm has good anti-attack ability.