122results about How to "Avoid illegal acquisition" patented technology

The invention discloses a mobile RFID system bidirectional authentication method, which comprises the steps of: step<1>, authentication on a card reader by means of a server; step<2>, authentication on the server by means of the card reader; step<3> authentication on a tag by means of the server; step<4>, authentication on the card reader and the server by means of the tag; and step<5>, authentication on the tag by means of the card reader. The mobile RFID system bidirectional authentication method introduces an updating mechanism of sharing a secret key by the server and the tag, introduces a timestamp, utilizes the unidirectional property of a Hash function and safety of AES encryption and decryption, realizes bidirectional security authentication among the server, the card reader and the tag, and satisfies the wireless and long-range communication between the card reader and the back-end server; and the tag adopts the simple Hash function and exclusive or calculation, and the cost of the tag side is reduced. The invention further discloses a system adopting the mobile RFID system bidirectional authentication method.

The invention belongs to a communication technology, and discloses a method and system for supporting dense data deduplication and integrity verification. In each time period, the user's signature private key is a product of two parts, the first part is an update message generated by an auditor according to his private key, and the second part is calculated by the user's private key and the current time period; the signature private key of any time period needs to be generated jointly by the user and the auditor; and in the data deduplication, the client deduplication of the file is implemented by using a Bloom filter. The invention utilizes the Bloom filter to implement the client deduplication of the file, and does not need to perform secondary uploading when the cloud server has alreadystored the same file, and prevents the malicious user from illegally obtaining the file through the fake certificate value while the malicious user does not possess the file. During the challenge andresponse process, the cloud server picks up a part of the message block of the file for verification, and the auditor cannot obtain the file through the response value sent by the cloud server.

The invention discloses an electronic contract operation system based on digital real right certificate, which is characterized by consisting of a bank system used in money management, an operator system which carries out acknowledgement, management and supervision to an electronic contract, a buyer system which serves as the subject and the sponsor of the electronic contract, a logistics party system which provides goods delivery and a seller system which serves as the object of the electronic contract and the supplier of goods. In the operation process of the electronic contract, a digital real right certificate is introduced for the first time; and as the digital real right certificate is provided with an exclusive real right number, the change record of goods debtor-creditor relationship and the digital signatures of a buyer, a seller and an operator in the whole electronic transaction process, the debtor-creditor relationship between the buyer and the seller can be marked exclusively and the whole process of tracking and supervision on the ownership of goods real right relationship in the electronic contract transaction process is provided by the generation, issuing, revocation and transferring of the real right certificate so that the ownership of the debtor-creditor relationship in the electronic transaction is defined.

The invention discloses a method for destroying terminal data, which comprises that: a remote terminal sends a destruction command to a terminal; and the data destruction module of the terminal resolves the destruction command and destroys data according to the priority carried by the destruction command and the result of the resolution. The invention also discloses a device for destroying the terminal data. When the method and the device of the invention are adopted, the illegal acquisition of secret data is avoided, and the restoration of deleted data is prevented.

The application discloses an authorization method, device and system for user resources, a method and device for processing an authorization request, electronic equipment, and an authorization system for the user resources. The authorization method for the user resources comprises the following steps: obtaining the user login state of a client application that is bound to a third-party application to be authorized; if the user login state is a logged-in state, obtaining the authorization result of the logged-in user to the third-party application; if the authorization result is to agree authorization, distributing access tokens to the third-party application according to the user identity of the logged-in user and the application identifier of the third-party application. By adopting the method disclosed by the application, the 302 hop of the Http is not needed, the account information of the user can be prevented from being illegally obtained by phishing sites, and thus the effect of increasing the security and saving the network traffic can be achieved.

The invention discloses an anti-candid image processing method and device, a terminal and a storage medium. The method comprises the following steps: acquiring a shot image in a preset area opposite to a display screen; performing image recognition on the shot image to obtain an image recognition result; when the image recognition result indicates that a peeping and candid shooting event exists, detecting whether the current frame image of the display screen contains sensitive information or not; and when the current frame image contains the sensitive information, performing shielding processing on an area where the sensitive information in the current frame image is located to obtain a processed frame image. Only the display area of the sensitive information is shielded, and a display area of non-sensitive information is normally displayed. Important information can be effectively prevented from being illegally acquired by others, bad use feeling brought to a user due to sudden replacement of a display image or direct screen locking can be avoided, and user experience is improved.

The embodiment of the invention discloses a method for acquiring a media stream key, session equipment and a key management function entity, wherein the method for acquiring the media stream key comprises the following steps: using the session equipment to acquire the media stream key from a KMF entity; and using the session equipment to send the media stream key to the session equipment at the opposite end. The embodiment of the invention can increase the security of the media stream transmitted by session starting equipment and session receiving equipment in the session process.

The object of the present invention is to provide a record medium processing device (4a) which can effectively prevent data based on side recording from unlawfully being obtained by simple structure when an operator inserts a card (21) without especially notice. A card mechanism (4a) for accepting the card (21) insertion and processing the inserted card (21) comprises a card inserting port (8) for accepting the card (21) and a conveying path (18) from the card inserting port (8) to the inner part of the device. The inner part of the conveying path (18) is equipped with processes (19) which is collided with the card (21) inserted from the card inserting port (8).

The invention discloses a wireless anti-eavesdropping communication method based on cooperation of multiple source nodes. The method includes the steps that data interaction is conducted on all the source modes in a Bluetooth mode, so that all the source nodes synchronously transmit the same data information to a target node; according to main channel state information, all the source nodes conduct precoding on the data information to be transmitted; all the source nodes synchronously transmit respective precoded information to the target node, then the target node and an eavesdropping node calculate capacity of the main channel and capacity of an eavesdropping channel respectively, and safety capacity and eavesdropping probability of wireless channel transmission are obtained further. In the mode of cooperation and precoding of the source nodes, the safety capacity of wireless transmission is remarkably improved, and the eavesdropping probability of wireless transmission is effectively reduced, which is beneficial for solving the safety problem caused by multiple eavesdropping nodes existing in an actual wireless communication scene.

The invention discloses a cloud platform access method and a cloud platform access device, wherein the cloud platform access method comprises the following steps that under the condition of requesting to access a cloud platform, access marks are generated according to the request parameters of users; the access marks are sent to the cloud platform, and are verified according to the pre-stored user information corresponding to each user; under the condition that the access marks pass the verification, the users are allowed to access the cloud platform. The cloud platform access method and the cloud platform access device have the advantages that access marks are generated according to the request parameters of the users, in addition, the access marks are verified through the pre-stored user information, and the effect of allowing the users to access the cloud platform only under the condition that the access marks pass the verification is ensured, so the safety mechanism of the cloud platform is effectively improved, the malignant access of illegal users to the cloud platform is avoided, and the resource waste of the cloud platform is reduced.

The invention provides a method for carrying out payment by using a mobile terminal. The method comprises the steps of sending payment account information to a background, receiving virtual account information corresponding to the payment account information from the background, and writing the virtual account information into a smart card separated from the mobile terminal via short-distance wireless communication, so that the smart card can carry out payment by using a virtual account.

The invention relates to a user identity real-name authentication method of an electronic payment system, belongs to the technical field of network information security, and solves the problem that real-name authentication is unsafe and unreliable in the prior art. The method comprises the following steps that an electronic payment system sends a real-name authentication request to a third-party supervision system; After receiving the real-name authentication request, the third-party supervision system acquires network operator information and a network user name of the electronic payment system, acquires user real-name identity information and transmits the user real-name identity information to the infrastructure platform; The infrastructure platform verifies the real-name identity information; If the verification result is true, performing encryption mapping on the network operator information, the network user name and the real-name identity information, generating a network identity certificate, transmitting the network identity certificate to a third-party supervision system, and sending real-name authentication confirmation information to an electronic payment system; Otherwise, the real-name authentication is terminated. According to the method, a third-party supervision system is combined with a network identity certificate, so that the privacy of a user is protected,and the person and the certificate are the same.

The invention discloses a civil air defense data sharing system and method based on a block chain, and the system comprises a data receiving module which is used for receiving keywords and identity information transmitted by a data requester, and receiving shared data of a data provider; a data processing module, used for standardizing and unifying the shared data sent by the data provider, and sending the processed structured data ciphertext and keyword index to the data storage module; a data storage module, used for storing the structured data ciphertext and the keyword index; an identity authentication module, used for carrying out identity authentication on the identity information sent by the data requester; and a data sharing module, used for matching the corresponding data in the data storage module according to the identity authentication result and the keyword and sharing the data to the data requester. According to the invention, data can be prevented from being illegally acquired, used and tampered, and data sharing and secret-related data protection are realized.

The invention discloses a mobile phone off-line authentication method. A SD card is inserted in the mobile phone of the user, symmetric cryptographic algorithm is adopted for establishing encryption system and combined symmetric key generation algorithm is adopted for real time generating symmetric key, change is generated at every time for real time updating and effectively managing the key; in each user mobile phone, key seed corresponding to friend circle user is beforehand encrypted into the ciphertext and stored for ensuring storage safety of key seed of the friend circle user, and user identity information center is established on network, the key seeds of all users are encrypted into the ciphertext and stored in the user identity information center for ensuring the storage safety of key seeds of all users, and the safety downloading of the key seeds of friend circle users of mobile phone end is also ensured, thus the off-line authentication between the mobile phone and the user can be realized.

The invention discloses an electric meter data accessing method. The method comprises the following steps: receiving an access token generation request after encryption or signature by a first key; decrypting or verifying the access token generation request by using a pre-stored second key to obtain a verification result; when the authentication result is successful, generating an access token sothat the requesting end accesses the data of the target electric meter by using the access token; preventing generation of an access token generated when the authentication result is an authenticationfailure. The technical proposal provided by the embodiment of the invention greatly improves the safety of the meter data, can effectively avoid a third party from illegally obtaining an access token, and thus ensures the public interest. The invention also discloses an electric meter data accessing device, equipment and a storage medium, which have corresponding technical effects.

The invention discloses a video streaming address authentication method and device, and is applied to the field of network live broadcasting. The method comprises the steps of: if receiving a video viewing instruction for a target live broadcasting room, acquiring call stack information by a target bottom layer library function, wherein a function identifier of a called function is stored in the call stack information, and the target bottom layer library function is a system-level function of an operation system where a live broadcasting client is positioned; reading M authentication elements, wherein the M authentication elements are related to a current state of the live broadcasting client; processing the call stack information and the M authentication elements by an Hash function so as to generate a video streaming address authentication KEY value simultaneously related to the call stack information and the M authentication elements; and sending a video streaming address request carrying the video streaming address authentication KEY value and M authentication elements to a video streaming server, wherein the video streaming address request is used for requesting the video streaming server for a video streaming address of the target live broadcasting room. The video streaming address authentication method and device disclosed by the invention solve the problem of low safety of existing video streaming address authentication.

The invention discloses an anti-disclosure copier safety electronic disc, which comprises a signal monitoring component, a microprocessor, a built-in battery and a memorizer. The signal monitoring component is connected with an external power supply, the built-in battery, the microprocessor and the memorizer and used for detecting a power supply of the electronic disc. When the external power supply works normally, the signal monitoring component leads the memorizer to work normally; and when the external power supply is cut off, the built-in power supply is switched to supply power, and the microprocessor is started and operated to perform erasing and copying operation on a data storage protection unit of the memorizer. The microprocessor is used for achieving erasing and copying operation of the data storage protection unit of the memorizer, the built-in battery is used for supplying power to each component of the electronic disc, and the memorizer is used for storing copied data. The anti-disclosure copier safety electronic disc can protect copier data from being stolen.

The invention discloses a physical layer secure communication method based on multi-radio cooperative precoding, which is suitable for secure information transmission between a user terminal and a base station in a heterogeneous wireless network. In the heterogeneous wireless network environment, the user terminal fully utilizes the multi-radio access technology to realize the cooperative secure information transmission between different communication modes. The physical layer secure communication method considers two situations that instantaneous channel state information of an eavesdropping channel between a source node and an eavesdropping node is known and unknown separately, preprocesses a source node signal by means of multi-mode cooperative precoding, and transmits data information after precoding to a destination node. Compared with the traditional multi-mode switching selection method, the multi-mode cooperative method provided by the invention significantly improves the secure transmission rate of wireless transmission, and is conductive to solving the security problem caused by the eavesdropping node existing in the multi-mode communication scene.