261results about How to "Improve protection strength" patented technology

The invention provides an electronic medical record sharing method and system based on a block chain, wherein the method comprises the following steps: a medical health card generates an asymmetric secret key pair; the first medical institution node performs registration verification on the user by utilizing the asymmetric secret key, and when the verification is passed, a first medical institution node uses the asymmetric secret key to perform registration verification on a user; when the verification is passed, the steps are carried out as follows: when an authorized sharing trigger is received, the first medical institution node performs standardized processing on the electronic medical record, and the encrypted standard electronic medical record is sent to a first front-loaded database; when an authorized use trigger of the user is received, the second medical institution node generates an intelligent contract and the signed intelligent contract is issued to a block chain; a verification node, according to the intelligent contract, triggers the execution as follows: the first medical institution node conducts validity verification on the signed intelligent contract; when the verification is passed, an encrypted standard electronic medical record is exchanged to a second front-loaded database; the second medical institution node decrypts the encrypted standard electronic medical record to obtain a standard electronic medical record. According to the scheme, the sharing process of the electronic medical record can be simplified.

The invention relates to a protecting method and a running method and device and system for an Android platform application program. The protecting method comprises the steps of obtaining an application program needing to be protected; performing segment handling on the application program and generating two or more code segments; performing segment encryption processing on one or random more of the two or more code segments; constructing a shell procedure; according to the shell procedure, performing shell adding processing on the two or more code segments having undergone segment encryption processing, and performing shell encryption processing on the protected application program generated after the shell adding processing. According to the technical scheme, the solving difficulty of the application program is increased, and protecting strength of the application program is further improved.

The invention relates to a multi-dimensional folded flexible solar battery pack and a manufacturing method thereof and belongs to the field of a solar photovoltaic technology. The technical problems that an interior metal lead in a flexible solar battery pack is easy to break and the like are solved. According to the multi-dimensional folded flexible solar battery pack, flexible solar battery chips are packaged between a front plate and a rear plate through an adhesive film; multiple flexible solar battery chips are in parallel connection through a lead string, so as to form a flexible solar photovoltaic array; an area for folding a battery pack is reserved between adjacent flexible solar battery chips; and an inner slot for storing the lead is arranged in the area for folding. The folding life of the multi-dimensional folded flexible solar battery pack designed by the invention is long; the folding times can reach above 4000 times, without the breaking condition of the metal lead; and the service life of the battery pack is ensured.

The invention discloses a code morphing-based binary code obfuscation method. The method comprises the following steps: 1, determining a morphing template library; 2, detecting a PE (Portable Execute) file; 3, locating a key code segment; 4, disassembling the key code segment to obtain an assembly instruction sequence, identifying a circular structure in the code segment, and calculating the weight of each instruction in the key code segment; 5, morphing all assembly instructions in the assembly instruction sequence; 6, slicing the assembly instruction sequence and re-sequencing; 7, assembling a new assembly instruction sequence generated in the step 6, and converting into a binary code; 8, reconstructing the PE file. In the method, a computer system is used for obfuscating the executable binary code file under a windows system, so that high protection strength is achieved, and extension becomes easy.

The invention discloses a system and a method for on-line separation and recovery of electronic documents, and aims to realize automatic separation storage and recovery of electronic documents during the editing and using processes without any influence on thespecific document editing system. The method comprises the steps of binding a part storage area of a management terminal and a part storage area of a special key board (customized by the system) to form a logic storage space, namely, ''separation storage area''; when preserving the file in the separation storage area, effectively separating and storing information to two different mediums, namely, the management terminal and the special key board; when reading the file in the separation storage area, acquiring recovered original document by document fragment information on two mediums. Compared with the traditional encryption management, the method is more safe, convenient and reliable, so that the method can provide a safety management tool with super strength for terminal-level electronic documents.

The invention discloses a method for local desensitization of data. The method comprises the steps of determining local data needing desensitization according to sensitive data format and significance; determining a desensitization key; performing a Hash message authentication code (HMAC) according to the desensitization key and the local data needing desensitization, and obtaining desensitized data. According to the method, the data format and part of significance are reserved while data protection strength is improved, and data is subject to analysis, statistics and processing easily.

The invention discloses an authentication method based on geographic position information, and belongs to the field of information security. The authentication method disclosed by the invention comprises the following steps: verifying an OTP (One Time Password) and the current geographic position information of mobile terminal equipment bound with user information by an authentication server; and the authentication succeeds if both the OTP and the current geographic position information of the mobile terminal equipment pass verification, otherwise the authentication fails, wherein the verification of the current geographic position information of the mobile terminal equipment bound with the user information can be comparison with stored geographic position verification information or comparison with a geographic position corresponding to the IP (Internet Protocol) address of a client transmitting the user information. According to the authentication method provided by the invention, a plurality of authentication factors participate into an authentication flow, so that the protection intensity of application system login can be enhanced effectively, and the login security is enhanced.

The invention discloses a binary software protection method by means of a dynamic fine-grained code hiding and obfuscating technology. The method comprises the steps that S1, a hidden target is selected, wherein a to-be-hidden code block is selected in a target program with a basic block as a unit; S2, the selected basic block is hidden, wherein according to each to-be-hidden basic block, an original code segment is replaced with a distributor function call, and other obfuscating instructions are filled in the rest positions; S3, the codes are packaged again, a new code segment is created so as to save all additional logic and data. The method has the advantages of being wide in application range, light in magnitude, extendable, high in safety and the like.

A process of fabricating a static structure including an interior volume that includes the steps of mixing coal combustible residual (CCR) with structural reinforcing materials to form a construction material and utilizing the construction material to fabricate exterior enclosure-forming components of the static structure. The enclosure-forming components are sufficiently reinforced, enhanced and/or thick to provide protection against exterior forces directed against the structure.

The invention aims to provide high-temperature resisting foundry sand. The high-temperature resisting foundry sand comprises the following components in parts by weight: 100 parts of bauxite by mass, 20-30 parts of zircon sand ores by mass, 10-20 parts of absorption fillers by mass, 10-30 parts of high-temperature fillers by mass, and 5-20 parts of polyborosiloxane by mass; and the prepared high-temperature resisting foundry sand is excellent in high-temperature resistance, is used for casting an alloy at a temperature of 2000-2500 DEG C, and obtains an excellent effect. The invention also aims to provide a preparation method of the high-temperature resisting foundry sand; and the preparation method comprises the following steps: (1) the fillers are pretreated; (2) a mixture after treatment in the step (1) and bauxite are put in a ball mill for mixing; (3) the mixture in the step (2) is put in a ball former; and a proper amount of water is added in the ball former to pelletize to obtain a ball-shaped blank; and (4) the ball-shaped blank in the step (3) is put in a graphite crucible for high-temperature sintering and cooling to obtain the high-temperature resisting foundry sand.

The invention discloses a differentiated noise adding method, medium and system in federated learning gradient exchange, and the method comprises the steps that a plurality of data parties obtain corresponding training data sets, and train a deep learning model according to the corresponding training data sets, so as to update the gradient of the deep learning model; each data party performs hierarchical processing on the corresponding gradient, calculates a two-norm corresponding to each layer of gradient, adds noise to each layer of gradient according to the two-norm, and sends the noise-added gradient to the central server; the central server aggregates the noise-added gradients and sends the aggregated gradients to each data party, so that each data party updates a local deep learningmodel according to the aggregated gradients; and according to the method, the privacy protection strength in the data exchange process of federated learning can be improved, and meanwhile, compared with an encryption algorithm in traditional federated learning, the overhead of data transmission can be reduced.

The invention provides an authentication method and device for reinforced software. The authentication method comprises the steps that after shell program verification of a server on the reinforced software is passed, key data sent by the server is acquired, wherein the key data comprises hidden data in plaintext software codes of the reinforced software and entry addresses corresponding to the hidden data; corresponding data which is stored in a memory and hidden by the plaintext software codes of the reinforced software is replaced according to the hidden data and the entry addresses, and then the plaintext software codes are loaded. According to the authentication method, the sources of service requests can be effectively distinguished, effective protection can be conducted when an malicious application requests service provision, the protection intensity of the reinforced software is greatly improved, attack of an attacker is effectively prevented, and it is guaranteed that the reinforced software can normally run.

An embodiment of the invention discloses a private key storage and reading method and device and a hardware device. According to the private key storage and reading method and device and the hardwaredevice, confusion is carried out on sensitive data comprising private key and the like according to universal unique identification code of the hardware device and user passwords and the like to obtain matrix data for storage and reading; according to the scheme, confusion is only carried out in the aspect of data storage, so that computation amount is small; data is not encrypted, so that users can integrate any encryption algorithm based on the scheme to enhance protection of the private key; and the scheme is not limited by the data structure, can be applied to private key storage of various currencies, and is high in university.

The invention discloses an electronic lock. The electronic lock comprises a linking rod, an inner lever handle and an outer lever handle, wherein the linking rod is inserted into a lock body to act on a lock tongue; both two ends of the linking rod extend out of the lock body; the locking rod comprises an inner end and an outer end; the inner lever handle comprises a combining end; the combining end of the inner lever handle and the inner end of the linking rod form synchronous rotary combination in the rotating direction; the outer handle lever handle comprises a combining end; the combining end of the outer lever handle and the outer end of the linking rod form synchronous rotary combination or separation in the rotating direction through an engagement and disengagement device; an accommodation hole is formed in one of the combining ends of the inner lever handle and the outer lever handle or two accommodation holes are respectively formed in the two combining ends; the inner end or the outer end of the linking rod can extend into the corresponding accommodation hole, thereby adjusting the length of the linking rod between the combining end of the inner lever handle and the combining end of the outer lever handle, wherein the length is defined as an effective length; and therefore, the effective length can be adjusted by the linking rod according to the thicknesses of panel bodies of different door panels. In addition, an existing traditional lock body can be reformed into the electronic lock.

The invention provides a fingerprint detection and control method and a terminal. The fingerprint detection and control method comprises the following steps of receiving a fingerprint detection signaldetected by a fingerprint sensor annularly arranged at the periphery of a camera shooting module; receiving a fingerprint image signal shot by the camera shooting module; and storing the fingerprintdetection signal and the fingerprint image signal into a preset fingerprint template or comparing the fingerprint detection signal and the fingerprint image signal with the preset fingerprint template.

A tree insulation, disinsection and insect prevention method is characterized by comprising the following steps: (1) coating a trunk with a layer of straw mat, and binding the straw mat on the trunk by using bondages; (2) binding a circle of insect-proof medicine bags around the upper part or the middle part of the straw mat; (3) wrapping the straw mat where the insect-proof medicine bags are bound with a layer of degradable protective layer, and uniformly distributing a plurality of short branches on the circumference between the lower end of the protective layer and the straw mat. The method has the benefits that the straw mat for coating the trunk is protected by the protective layer, so that the moisture-holding and heat-insulating effects are realized, and the protection strength is enhanced; the insect-proof medicine bags are bound on the straw mat, pests get into the straw mat for overwintering or pupation, pests which realize mating for laying eggs in the trunk lay eggs in laying egg intervals, when plastic bag bodies of the insect-proof medicine bags are degraded after a predetermined time, insect-proof medicine in the bags plays a role in the protective layer, and the protective layer has a sealing function, so that the pests entering the straw mat are all be killed.

The invention discloses a combined portable electronic equipment protection device which comprises a base and a protection box. A box cover is hinged to the top of the protection cover through a hinge. Sliding blocks are fixedly connected to an inner cavity of the protection box, and sliding rods are connected to the tops of the sliding blocks in a sliding manner. The bottom ends of the sliding rods penetrate the tops of the sliding blocks and extend to inner cavities of the sliding blocks. Reset springs are fixedly connected to the bottoms of the inner cavities of the sliding blocks, and in addition, the top ends of the reset springs are fixedly connected with the bottom ends of the sliding rods. The combined portable electronic equipment protection device relates to the technical field of electronic equipment protection. By means of the combined portable electronic equipment protection device, push rods are pulled to drive the sliding rods to extrude the reset springs to move downwards, clamping blocks are pulled out from the interiors of limiting holes, the box cover can be rapidly and conveniently opened so that electronic equipment can be stored or taken out, the box cover canbe fixed and opened without taking too much time, in addition, operation is simple, the electronic equipment can be rapidly and conveniently moved, and practicability of the electronic equipment protection device is improved.

The invention provides a fingerprint identification method and a terminal. The fingerprint identification method comprises the following steps of controlling an auxiliary light source arranged in an adjacent camera module to be switched on for emitting auxiliary light rays; controlling the camera module to shoot a fingerprint image; receiving a signal of the fingerprint image shot by the camera module; and storing the fingerprint image signal as a preset fingerprint template or comparing the fingerprint image signal with the preset fingerprint template.

The invention provides a photographing and fingerprint identification device and a terminal. The photographing and fingerprint identification device includes a photographing module and a fingerprint module. The photographing module includes a first area. The photographing module receives light of a photographed scene via the first area. The fingerprint module includes a fingerprint sensor. When viewed in a direction perpendicular to the photographing module, the fingerprint sensor is disposed around the periphery of the first area.