34results about How to "High degree of encryption" patented technology

The invention relates to a color image encryption method based on a chaos sequence and a hyper-chaos system. The color image encryption method mainly comprises the following steps: an original color image is subjected to bit level united scrambling to obtain a scrambled image; the scrambled image is decomposed into three primary color components, that is R, G and B, and the hyper-chaos system is used for generating an encryption matrix which is used for encrypting the scrambled image; all pixel values of the three primary color components of the scrambled image are changed by utilizing the encryption matrix in combination with plaintext information and information of the three primary color components, united diffusion is conducted to obtain the three primary color components of the image after the united diffusion, and therefore a final encrypted image is obtained. By means of the color image encryption method, a secret key space is greatly enlarged, the safety, the encryption effect and the sensitivity of a secret key are higher, the anti-attack ability is stronger, and hardware implementation is easier.

The invention relates to a prescription dispensing method based on the blockchain technology. A personal index code and a prescription index code for the patient's personal information and a personalelectronic prescription are published and generated through blockchain encryption, the encryption degree is high, the patient's personal information and the prescription information are effectively protected, the patient's personal privacy is guaranteed, moreover, other organizations are prevented from maliciously intercepting and tampering with the patient's personal information and the prescription information.

The invention provides a verification method based on pressure touch control, a verification device based on pressure touch control, and a terminal, wherein the verification method based on pressure touch control comprises the following steps of receiving a pressing operation event of at least one preset touch control region in a plurality of touch control regions pre-divided by a user on a terminal touch screen; detecting whether the pressing operation event meets a preset verification condition or not; if the detection result shows that the pressing operation event meets the preset verification condition, passing the verification; and if the detection result shows that the pressing operation event does not meet the preset verification condition, forbidding to pass the verification. By using the technical scheme, the touch screen position and the touch control pressure value are combined to form dual encryption; the verification encryption degree is improved; the security of operations such as terminal unlocking and payment verification is improved; the security of personnel information and properties of the user is ensured; and the user experience is improved.

The invention provides a micro-service security authentication method and device based on TOKEN, and a storage medium. According to the scheme, the method comprises: obtaining user login information through input equipment, and the user login information comprising a user account and a user password; reading the user login information by utilizing an identity authentication service, and verifying whether the user login information is correct or not; performing matrix encryption on the user login state, and forming a section of Token user encryption authorization code; storing the Token user encryption authorization code in a request header of an HTTP, and performing encryption transmission on a request link by using https; and the verification micro-service decoding to obtain the Token user encryption authorization code, decrypting the Token user encryption authorization code to judge the Token permission, and returning related resources and data. According to the scheme, the security of the system is improved by designing a complete set of authentication system, and dual encryption measures are used in the process of transmitting and receiving Token user encryption authorization codes, so that the security of account information in the system of the micro-service architecture can be reliably protected.

The invention discloses an access control system based on an image recognition technology. The access control system comprises a feature acquisition system, a feature verification system and a memorandum system, wherein the feature acquisition system comprises an image capturing module, a fingerprint acquisition module, a height acquisition module, an infrared light source central processing calculation module and a recording and storage module, the feature verification module comprises an input signal module and an output signal module, and the memorandum system comprises a mobile phone APP module, a cloud storage module, a signal conversion module and a display module. By means of an infrared sensing module arranged in the access control system, the access control system can only be opened when sensing the temperature of an object during the opening and closing of the access control system, thus a duplicated fingerprint or a photographed face picture cannot pass the detection of theaccess control system, the safety factor of the access control system is effectively increased, and memorandum events stored in advance on the display screen are observed, so as to remind the staff tohandle the pending events in time and avoid forgetting them.

The invention discloses a memory chip for imaging equipment. The memory chip comprises an interface module connected with an external controller and used for receiving a signal emitted by the external controller, a memory module for storing information related to an imaging box, and a control module connected between the interface module and the memory module and used for configuring the memory chip to a corresponding data communication mode according to the signal emitted by the external controller so as to realize data communication between the memory module and the external controller, wherein the control module can configure the data communication mode of the memory chip to a recovery resetting mode or a factory burning mode; and in the factory burning mode, the encryption degree of communication data is lower than the encryption degree of communication data in the recovery resetting, and the transmission speed and the transmission reliability of the data are higher than the transmission speed and the transmission reliability of the data in the recovery resetting. When recovery resetting is performed for the memory chip, the security of the communication data between the chip and the external controller is guaranteed.

The invention relates to the technical field of three-dimensional image encryption, and discloses a three-dimensional image encryption method based on a computer-generated hologram, which comprises the following steps of acquiring a three-dimensional image to be encrypted, and layering the three-dimensional image by using a tomography method to obtain a cross section of each layer, detecting section edge points by using an edge distance algorithm based on an edge graph, connecting the edge points into candidate line segments based on a linear support area method, decomposing the cross sectioninto a plurality of plane waves with different spatial frequencies by using a plane angular spectrum method, calculating each layer of sub-hologram of the three-dimensional image based on angular spectrum diffraction, and superposing the sub-holograms corresponding to the layers to obtain a complete computer-generated hologram of the three-dimensional image, and encoding the computer-generated hologram into the three phase plates through phase plate iteration, so that the encryption of the three-dimensional object image is realized. The invention further provides a three-dimensional image encryption system based on the computer-generated hologram. Thus, encryption of the three-dimensional image is realized.

The invention provides a long-afterglow nanoparticle with fluorescence encryption anti-counterfeiting characteristics, and a preparation method thereof. The long-afterglow nanoparticle is composed oftwo nanoparticles, namely a ZnAlxGeyO(2+3x+4y)/2 nanoparticle serving as interference information and a ZnAlx-zCrzGeyO(2+3x+4y)/2 nanoparticle serving as anti-counterfeiting information, wherein x isgreater than 0 and less than or equal to 2, y is greater than 0 and less than or equal to 1, z is greater than 0 and less than or equal to 0.3, and z is less than x; the ZnAlx-zCrzGeyO(2+3x+4y)/2 nanoparticle emits visible light under the excitation of ultraviolet light, and emits near-infrared light under the stop of the excitation of the ultraviolet light; and the ZnAlxGeyO(2+3x+4y)/2 nanoparticle emits visible light under the excitation of ultraviolet light, and does not emit light when the excitation of the ultraviolet light is stopped. A fluorescent anti-counterfeiting ink can be preparedby utilizing different optical characteristics of the two nanoparticles, digital anti-counterfeiting and two-dimensional code anti-counterfeiting application of fluorescent encryption is realized, the encryption and anti-counterfeiting processes are easy to operate, the encryption degree is high, the encryption stability is high, the anti-counterfeiting concealment is strong, and the identification degree is high.

Disclosed are a key negotiation method, device and system, relating to the field of wireless communications and used for solving the problem of a low degree of encryption when a BNN-IBS is applied to a D2D wireless communication network for key negotiation. The key negotiation method comprises: when a key generation device sends a public key and a private key of a first user equipment to the first user equipment, when the key generation device sends a public key and a private key of a second user equipment to the second user equipment, when the first user equipment sends a first signature message to the second user equipment, and when the second user equipment sends a second signature message to the first user equipment, performing homomorphic encryption. The embodiments of the present invention are applied to a D2D wireless communication network.

The invention provides a network security encryption method, and relates to the technical field of network security. The method comprises the following steps: S1, region division: dividing a network according to different attributes and effects, and encrypting a single region, and S2, network boundary protection: performing security protection on boundaries among the divided and encrypted networks to prevent the influence of network concatenation. According to the method, large environment of the whole network is regionally divided into different small environments, the boundary of each small environment is protected, on one hand, the encryption degree can be improved, on the other hand, encryption access can be finely divided, encryption is carried out according to different levels, and the encryption is more meticulous; and through RSA and SM encryption, it can be ensured that the internal key is safer and is not prone to being cracked and infected by common programs. Therefore, it can be guaranteed that the secret key is in a relatively safe environment state in the transmission process, and after the secret key is received, the secret key is cracked and compared through corresponding hardware and software so that the safety of the file can be guaranteed.

The invention provides a source code file generation method and related equipment, and aims to improve the encryption degree of a source code file and protect the source code file from being decrypted. The method comprises the steps of obtaining a first source code file; encrypting the first source code file to obtain a target encrypted file; storing the target encrypted file to obtain a storage path corresponding to the target encrypted file; and generating a second source code file according to the storage path and the file name of the target encrypted file.

The invention relates to the technical field of intelligent management, and discloses an enterprise intellectual property patent submission and incoming text intelligent management system, and the comprises terminal equipment and a database; the output end of the terminal equipment is connected with a file uploading module and authority management equipment, and the file uploading module is used for uploading and processing intellectual property data; the authority management device is used for managing various authorities of the intelligent management system, the other end of the file uploading module is arranged at the input end of the database, and the database is used for storing uploaded intellectual property data files. According to the enterprise intellectual property patent submission and incoming text intelligent management system, it is guaranteed that when intellectual properties are accessed, authority management setting is high in encryption degree and not prone to being attacked, the situation that confidential intellectual property files are stolen is eradicated, the information safety performance is improved, an intellectual property detection module is arranged instorage equipment, and the expired intellectual properties or intellectual properties with unqualified formats can be removed conveniently.

The invention discloses a multi-stage magnetic control mechanism of a mechanical lock. The multi-stage magnetic control mechanism of the mechanical lock is characterized by comprising a lock cylinderbody, wherein the lock cylinder body comprises a lock hole arranged in a cylindrical structure and a rotating groove for embedding a key and communicating with the lock hole, a plurality of magnetic control switches are arranged in the lock cylinder body in the depth direction of the lock hole and are arranged in different radial directions of the lock hole, an encryption included angle is arranged between the connected magnetic control switches, when the magnetic control switches and magnets in a key are in same-pole correspondence, the magnetic control switches are in an unlocking state, a reset part for resetting the magnetic control switches is arranged in the lock cylinder body, the reset part resets the magnetic control switches one by one when the key leaves the lock cylinder body,the lower end face of the lock cylinder body is connected with a lock bolt, the lock bolt is arranged at a position far away from the lock hole, and the lock bolt is opened in the rotating process ofthe lock cylinder body. The multi-stage magnetic control mechanism of the mechanical lock has the advantages of multi-stage encryption and high encryption degree and is not easily pried.