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Group signature based security technique for privacy identity information protection in blockchain /

Patent Number: 202121031204, Applicant: Gauri Arun Varade.
On cryptographic algorithms blockchain is a highlight point dispersed record innovation dependent. By factual techniques, information mining and sociological mining has made clients protection face significant dangers the straightforward and open
blockchain record enhanced.

PhD

Design of new access control structure for provenance based on secret sharing

Access control is one of the important elements in providing confidentiality to the secured data. Access specifiers helps us understand degree of rights given to the users in utilizing data records in a right manner. Tampering the records by unauthorized parties is a high concern in secure communication. Tamper detection plays an important role in trouble shooting an issue associated with network/ host intrusion scenario. The advances in information technology have driven the modern world to focus on the Web for digital information. People across the globe rely on the internet for all the data from generic information to distribution of personal data over heterogeneous networks. Technology has grown so wide to an extent, where almost all of the financial transactions are taking place through online portals. On the other hand, there has been high rise in the security threats towards users confidential data. This information is however shared by the online users while performing financial transaction in e-commerce portals. In order to maintain security mechanism over the untrusted networks various authentication techniques available in this regard. All these security procedures are said to be stubborn and adequate on contextual basis, on the other hand over a period of time the intruders would find out ways to break into systems. Data theft and intrusion into the information systems would increase on a daily basis if defensive measures are not in place. In this concern a new mechanism for securing the data using majority voting concept is proposed. Majority voting for securing the provenance data is applied. Provenance data is data of origin, genesis data and often observed as sensitive data. Provenance is a record of events, timestamps, versions, transformations occurred for the data of interest. Elicitation of an entity's genesis is termed provenance. This understanding is called as data provenance for data objects and their relationships. In most of the cases provenance data is tend to be sensitive, and a small variation or regulation paves way to changes to entire lineage of the connected data. This origin needs to be protected and only approved parties should have right to use the data. Specific description or classification of an instance's historical record or data object is called data provenance. It has many implications in different disciplines in terms of its significance for the acquisition of data flow mechanisms. Personal control of data privacy is a common scenario and various solutions towards security exists. In this regard a unique model is proposed where control of data and its related allies is available with several bodies but however not one; and if access control is to be permitted for a cause based on context, all the entities holding their right keys will have to agree and share on a common platform for accessing the data. Combining these shares in a peculiar pattern allows the grant for accessing data. The method of allocating controls to multiple bodies and allowing grants based on the combination of stakes is called a mechanism for secret sharing. Share separation may be derived from the concept of visual encryption methodology We integrate concepts of secret sharing and provenance to provide an indigenous solution for parameters of information security namely confidentiality, integrity and availability. It is with the availability of exceptional wireless internet access in mobile motivated situations, users and usage data has become massive with respect to media. For example, financial related operations carried out over online platforms by users in many ways were found insecure and unauthenticated. Procedure with appropriate algorithms are available for safe data communication in various modes, however lacks to attain high accuracy and performance with regards to the basic goals of security; confidentiality, integrity, availability at a significant level. Security is the main aspect of any communications among untrusted networks in the current world. Sincere gratitude to many researchers for their tremendous contributions to effective security algorithms despite various threats that compromise the computer systems vulnerabilities. The origin of the data, i.e., by which the transaction thread was created, is the pertinent question to be answered while the financial operation is finalized. This definition of 'data antiquity ' has received good interest from researchers in different fields for many decades and is often termed as data provenance. However, security in provenance has made some progress with recent research, particularly in the field of cyber security. This study emphases on the safety characteristics of data provenance with a distinctive cryptographic approach. The combination of these principles produces unique results for safeguarding the genesis data.

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