4results about How to "Prevent repudiation" patented technology

The invention discloses an advertisement data security verification method based on a block chain, and aims to improve the security and verification efficiency of advertisement data, and the method comprises the steps: collecting data in an advertisement putting process, packaging the data into a data packet, generating a unique identifier by using an SHA-256 hash function, and then, carrying out the verification of the unique identifier; a private key associated with an advertiser or a platform is used for digitally signing a data packet, the integrity and source verifiability of the data are ensured, the signed data packet is sent to a node in a block chain network through a P2P network, the validity of the signed data packet is verified by a consensus mechanism, and the data packet passing the verification is stored in a distributed account book of a block chain. In addition, automatic payment and settlement of advertisement fees are achieved through application of the intelligent contract, the method solves the problems of data tampering and trust in traditional advertisement data verification through the block chain technology, and a safe and reliable data management solution is provided for the advertisement industry.

This invention relates to a personnel safety emergency monitoring and early warning method and system, which falls under the fields of the Internet of Things and intelligent security. The monitoring and early warning method adopted in this invention analyzes and calculates the positioning data of active electronic tags to form a categorized and hierarchical safety monitoring and early warning mechanism. This mechanism can deter bullying incidents in advance and intervene in the process. Through layer-by-layer screening and early warning, this invention can also help reduce or mitigate self-harm accidents caused by psychological problems, and is especially suitable for implementation and application in closed and controlled areas.

The application provides a data leak prevention method and system, applied to the technical field of data processing, and the method comprises the following steps: obtaining accounts receivable data in static data; obtaining a collection action track corresponding to a collection record in the accounts receivable data; generating a current arrears state corresponding to the accounts receivable data based on the collection action track and a repayment record corresponding to the accounts receivable data; generating to-be-encrypted data corresponding to the accounts receivable data based on the accounts receivable data, the current arrears state corresponding to the accounts receivable data and an effective track in the collection action track; and performing encryption processing on the to-be-encrypted data corresponding to the accounts receivable data to generate encrypted data of the accounts receivable data. The method can guarantee the availability of the accounts receivable data, effectively prevent data tampering, denial and unauthorized access, and significantly improve the confidentiality, integrity and compliance control ability of sensitive information of the accounts receivable.

The invention discloses a method for stamping an electronic archive, which includes obtaining archive element information, sub-component element information, and archive seal filling element information, and listing the electronic archive package files; configuring the electronic archive seal stamp, archive seal filling element, and archive seal stamping rule; extracting or generating the archive seal filling element according to the archive seal filling element association variable rule configuration relationship, filling the archive seal element content into the actual coordinate position of the control, filling the archive description information into the archive seal signature field as the signature extension information, and adding the docHash list into the archive seal signature field; obtaining the stamp from the electronic seal platform, obtaining the signature position according to the archive seal configuration, retrieving the archive seal stamp from the seal filing library, and stamping the archive seal stamp to the signature position of the archive file to be signed; and writing the signature value into the signature field of the signed electronic file through the certificate private key. The original property of the electronic archive and the certificate validity are ensured.