The invention relates to a method and a device of mobile terminal operating. The method includes: receiving an icon touch instruction input by a user, and judging whether the touch time of the icon touch instruction reaches a first preset time or not; if the touch time of the icon touch instruction reaches the first preset time, obtaining the explaining information of the icon corresponding to the icon touch instruction; and displaying the explaining information. According to the method and the device of the mobile terminal operating, the explaining information of the program corresponding to the icon is displayed after the icon is pressed for a long time by the user, concrete functions of the program can be learned about by the user without the need for running the program, system resources are saved, and safety risks are reduced.

Method and device of mobile terminal operating

The invention provides an imaging system and a video processing method. The system comprises a video acquisition module used for acquiring an original video image; a privacy removing module; a face recognition module which is used for acquiring all face areas in the original video and extracting the feature vectors of the faces respectively; a feature vector change module which is used for changing the feature vector of the human face extracted by the human face recognition module into a forged human face feature vector; a face forging module which is used for forming a forged face according to the forged face feature vector formed by the feature vector change module; and a privacy-removed video generation module which is used for respectively covering the forged face formed by the face forging module on the original face of the original video to form a privacy-removed video. According to the invention, the privacy can be protected while the video is the effective security or commercial data.

Imaging system and video processing method

The invention discloses a method and device for guaranteeing network data security. The method comprises the steps that S1, a first matching module obtains to-be-sent original network data, judges whether a process name and a port number for sending the original network data belong to the process name and port number needing to be encrypted or not, identifies the original network data if the process name and the port number are the process name and the port number needing to be encrypted and performs a step S2, otherwise, does not identify the original network data and performs a step S5; S2,a second matching module judges whether a transmission destination IP address of the identified network data belongs to an IP address needing to be encrypted or not, performs a step S3 if the transmission destination IP address belongs to the IP address needing to be encrypted, otherwise, performs the step S5; S3, an encryption module encrypts the identified network data; S4, a second matching module sends the encrypted network data; and S5, the second matching module sends the original network data. According to the method and the device, sensitive network data and insensitive network data can be distinguished and only the sensitive network data is encrypted, so the consumption of system resources is effectively reduced.

Method and device for guaranteeing network data security

The invention discloses a voice control method applied to a smart television, a smart television and a storage medium. The method comprises the steps of when a key event is monitored, intercepting thekey event; determining a corresponding target application according to the key event; sending the key event to the target application, thus allowing the target application to find corresponding textinformation when the key event is received, and feeding back the text information; and when the text information fed back by the target application is received, converting the text information into voice information. According to the method provided by the invention, the application with a relatively complex view can also convert the text into voice by transferring the key event into the target application for processing, so that stability of a voice auxiliary function is ensured, and the technical problem that by using the voice auxiliary function, the irregular view cannot be well recognizedand cannot be converted into voice is also solved.

Voice control method applied to smart television, smart television and storage medium

The invention provides a lightweight Hash function HVH based on the Sponge structure and lightweight block cipher VH, and applies to the field of wireless communication and information security. HVH supports message digest with three different lengths including 72 bit, 88 bit and 128 bit. Differential cryptanalysis, linear analysis, impossible differential cryptanalysis, anti-collision and anti-second-preimage analysis and the like prove that HVH series algorithms meet the security requirement of lightweight ciphers. Hardware implementation of SPONGENT-88 requires 1,257 GE, hardware implementation of HVH-88 requires 1,863 GE, and the hardware requirements of the lightweight ciphers are met. Software test proves that the software efficiency of the HVH-88 is 15 times of that of the SPONGENT-88; generally speaking, the HVH-88 is better than the SPONGENT-88, can meet the hardware use requirements in environments such as RFID (radio frequency identification) and the like where resources are limited extremely, can further meet the software implementation requirements in environments such as an embedded type, a single chip microcomputer and the like, and has wider application range. HVH is mainly used for security certification of a low-cost embedded mobile terminal in wireless communication.

Lightweight Hash function HVH coding technology

The invention relates to an implementing method of software capable of being used by disabled people. In order to solve the problem that the disabled people have difficulty in using software, voice prompt is used to replace a display-based displaying manner, and the operation of a keyboard and a mouse is replaced by voice input and voice control. To help the blind to find a mouse, the software can produce a proper voice prompt when the mouse is dragged within or beyond a software interface, and reminds users of taking proper operations. An operational guidance for the disabled is set in the software, and voice prompt is carried out in a tree form to remind the disabled of making choices. The disabled can make choices in voice until the specific content is broadcasted in voice. The keyboard reminding function is provided, and the key pressing operation in the software operation process can be changed into corresponding voice for reminding. The focus switching can be controlled by voice, and the implementation of controls in the focus state can be controlled by voice instructions. The software can change voice input into corresponding texts and can enter the texts in an input box.

Implementing method of software capable of being used by disabled people

The invention belongs to the field of information security, relating to a large file encryption method. The method considers the phenomenon that a large file has huge data and is not suitable for full encryption, a large number of data will choose not to be encrypted, and in order to reduce the read and write of the data, especially the write, the method disclosed by the invention adopts the following steps: storing an original plaintext, covering part of the plaintext that is encrypted, and separately storing an encrypted ciphertext. As different encryption methods have different advantages and disadvantages, fully homomorphic encryption also cannot solve all delegated calculations, and a high cost of encryption is needed, an encryption mode with a misleading function is required for some data, and only a general symmetric encryption mode is required for other data, thereby, the appropriate encryption methods are segmentally selected as required, only part of the data needs to be encrypted according to rules or selections; and meanwhile, an optimum scheme for reducing key management and guaranteeing security is proposed, and thus the encryption and decryption of the files can be achieved by only using fewer keys.

Large file selective encryption method for reducing write

The invention belongs to the field of information safety, in particular to the cryptology field, and relates to a method for reinforcing a hash function based on a compression function. The method is used for reinforcing key loops of the hash function, namely reinforcing a first group of the compression function and a final group of the compression function, and increasing the operations of multiple bits or utilizing a present safety group code algorithm by aiming at a majority of operations of a present hash function based on a single bit. The method comprises the following steps of: reinforcing by taking a method of resisting a current differential code analysis and the like as the principal method, also considering about some other attacks, such as a second preimage attack, further adding an input variable in the input of the final group of the compression function, namely a simple compression manner of all group information. The reinforcing method disclosed by the invention has the advantages that when key groups are reinforced, the increase of calculated amount is not large along with the increase of the length of a plaintext; and the decoding obstacle is configured through the most key position, the preimage attack, collision attack, the second preimage attack and the like can be effectively resisted.

Li Fu

Papers

Implementing method of software capable of being used by disabled people

Large file selective encryption method for reducing write

Method for constructing reinforced hash function based on compression function