9results about How to "Increase confusion" patented technology

The application belongs to the technical field of integrated circuit hardware security, and discloses a dynamic key encryption device and method based on a key check code, which comprises a dynamic key generation module, a trigger signal generation module and a dynamic key check module, an initial key signal is input into the dynamic key generation module, the dynamic key generation module outputs a dynamic key signal to the dynamic key check module, the dynamic key check module acquires an original circuit signal from an original circuit and outputs an encrypted circuit signal to the original circuit, the trigger signal generation module acquires an original circuit state machine signal from the original circuit and outputs a trigger signal to the dynamic key generation module and the dynamic key check module; the application constrains and expands the bit width of an original key by using a check bit, avoids the situation that a solver directly solves one code in a cyclic code and causes the key to be directly cracked, increases the solving space of the solver, and delays the cracking speed of reverse engineering.

The application provides a complementary embedding image encryption method based on an improved cross-coupled mapping lattice, which comprises the following steps: establishing an improved sine cross-coupled mapping lattice model; based on a plaintext image, generating a secret key by SHA-384 and an original image, and calculating model parameters and initial values according to the secret key; detecting the plaintext image, identifying and obtaining airport coordinates, randomly selecting a coordinate point, and obtaining a visual confusion image through a complementary embedding algorithm; iterating the established sine cross-coupled mapping lattice model to obtain a matrix, converting the matrix into a one-bit array, taking the last rxc data to obtain b; distributing an initial matrix and iterating to an appropriate size to obtain a fractal disorder matrix; selecting the first r rows and the first c columns to form a one-dimensional array, sorting the one-dimensional array to obtain an index array; performing synchronous dynamic scrambling and diffusion operations on three channels R, G and B in a color image respectively to obtain a sub-encrypted image corresponding to each channel. The sub-encrypted images are assembled into a final encrypted image C.

The invention provides a multilevel security information integrity authentication method based on two-dimensional nonlinear quantum walking. The multilevel security information integrity authentication method comprises the following steps: step 1, initializing parameters of a nonlinear quantum hash function with a secret key; 2, executing two-dimensional nonlinear quantum walking; 3, measuring to obtain the probability distribution of final quantum state vertexes; 4, executing a post-processing method to calculate a hash value; and 5, verifying the information integrity. According to the method, non-linear intensity is introduced as a new parameter to participate in quantum hash function construction, and the multilevel security information integrity authentication method based on two-dimensional non-linear quantum walking is constructed. In the aspect of safety, a nonlinear mechanism is introduced in underlying quantum walking to directly realize diffusion and confusion of quantum versions, so that the quantum analysis resistance of a quantum hash function is improved; in the aspect of practicability, the output flexibility and expansibility of the quantum hash function are improved, and a feasible scheme is provided for practicability of the quantum hash function.

The application discloses an automatic modulation recognition method based on global feature correlation circulant matrix, belongs to the automatic modulation recognition (AMR) technical field, and can provide more discrimination basis for a neural network model by describing signals from multiple feature angles, so that the features of complex signals are more comprehensively captured. The technical scheme of the method comprises the following steps: acquiring a received signal, and constructing a matrix composed of IQ components of the received signal. Multi-modal feature extraction is performed on the constructed matrix, and the multi-modal features include a global feature correlation circulant matrix, a three-channel constellation diagram and a time-frequency diagram. The multi-modal features are encoded and feature-level fused by using a neural network, and the classification of modulation modes is realized. The modulation mode used by the signal after recognition is output.

The invention provides an industrial control equipment-oriented flow trip line generation method and system based on honey points, and relates to the technical field of network security. The method provided by the invention comprises the following steps: generating an instruction based on a configuration file and a tripwire strategy; obtaining an original load sequence, identifying sensitive fields in the original load sequence based on a flow trip line load generation model, and replacing the sensitive fields with mask marks to form a mask load sequence; predicting a mask mark position in the mask load sequence to generate bait data; filling the bait data to a mask mark position, and combining the bait data with a non-sensitive field in the mask load sequence to generate camouflage load data; embedding the camouflage load data into a standard protocol frame based on the instruction, constructing a flow trip line data packet, and embedding the address information of the honey point into the flow trip line data packet; and when the generation time arrives, actively sending the traffic trip line data packet to the outside according to the sending interval. According to the invention, active trapping perception and dynamic cheating of potential attacks are realized by actively sending analog data traffic.

This application proposes a method, apparatus, electronic device, and storage medium for attack transfer. By monitoring the network information of the target device, it determines whether there is a vulnerability attack in the network information. If a vulnerability attack is found, this application can reverse-connect to the sending end of the vulnerability attack based on the vulnerability attack, and then determine the vulnerability verification environment of the target honeypot. The attack content corresponding to the vulnerability verification environment is executed in the target honeypot to induce the sending end to believe that the attack target has been achieved. This method effectively improves the deceptiveness of the honeypot, making it difficult for attackers to detect the honeypot, thereby improving the protection effect of the honeypot.

The utility model provides a tubular cooling device for glass powder materials, which comprises a bottom plate, a side plate and a rectangular plate, a cooling box is mounted above the bottom plate, a flange plate is mounted on the rear side of the side plate through bolts, a rotary motor with a band-type brake is mounted on the rear side of the flange plate, and a fourth gear is mounted at the motor shaft end of the rotary motor with the band-type brake. And an air cylinder is installed below the rectangular plate, a hollow rectangular block is installed at the shaft end of the air cylinder, and a circular box is rotationally installed in the hollow rectangular block. By means of the design, the problems that according to an original device, the disordering degree of materials is ordinary, the time for waiting for sufficient cooling of the materials is too long, and the cooling effect is poor are solved. The material scattering device solves the problems that the material scattering device is simple in structure and not rapid in discharging, is reasonable in structure and good in practicability, can fully scatter the material, improves the confusion degree of the material, further shortens the time for waiting for full cooling of the material, and is rapid in discharging, so that the overall working efficiency of the device is further improved.

The invention relates to the field of dye processing, in particular to dye and processing equipment and a processing method thereof, and provides a dye processing method in order to overcome the defect that raw materials cannot be rapidly mixed for reaction when the raw materials are stirred by existing dye processing equipment. The method comprises the following steps of: 1, adding the mineral pigment, the plastic pigment, the plant extraction pigment and the additive into the container consisting of the enclosure frame, the bottom plate and the upper cover according to the proportion; 2, pushing the materials in the container to move for mixing; thirdly, steam is added into the heating holes in a reciprocating mode to heat the materials; 4, adjusting the position of the upper cover in the enclosure frame to adjust the pressure in the container; and step 5, discharging and collecting the processed dye. Materials can be pushed to rapidly and circularly move in the axis direction in the rotary container, meanwhile, the disorder of the materials is improved, and the dye processing speed is increased.

The utility model relates to the technical field of fishhooks, in particular to a squid hook, which comprises a buoyancy bar in a strip-shaped structure. The light-emitting part is stacked on the outer surface of the buoyancy rod and is used for attracting squids in a night fishing environment; the hook part is arranged at one end part of the buoyancy rod and is used for capturing the attracted squids; and the hook handle is arranged at the other end part of the buoyancy rod and is used for binding and installing a fishing line. The squid hook solves the problems that when a paper or cloth fiber body is adopted as a squid hook main body in the prior art, the self-weight of a bent hook piece and a hook handle is large, a buoyancy device does not exist, and the squid hook cannot float in water, so that squids are difficult to attract for a long time, and the fish obtaining is influenced.