Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Public audit method for cloud storage data integrity based on certificateless

A data integrity, cloud storage technology, applied in the field of information security, can solve problems such as lag, achieve the effect of ensuring confidentiality, avoiding key escrow, and achieving conditional anonymity

Active Publication Date: 2021-12-07
SOUTHWEST PETROLEUM UNIV
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Severe lags may be unacceptable as audit requests may be concentrated during a specific time period

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Public audit method for cloud storage data integrity based on certificateless
  • Public audit method for cloud storage data integrity based on certificateless
  • Public audit method for cloud storage data integrity based on certificateless

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0049] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0050] refer to figure 1 , this embodiment provides a certificate-free public audit method for cloud storage data integrity, including:

[0051] S1. System initialization: the key generation center sets password security parameters, and the password security parameters include bilinear pair mapping, multiplicative cyclic group, generator defined on the multiplication cyclic group; the key generation center sets two anti-collision Hash function and a homomorphic hash function, and select the system master private key and system ma...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a certificate-free public audit method for cloud storage data integrity, including: S1. system initialization; S2. users block and encrypt data files to obtain ciphertext data blocks, and generate homomorphism of ciphertext data blocks Signature to form a signature set; the user generates integrity audit auxiliary information, sends the ciphertext data block and signature set to the cloud server, and sends the integrity audit auxiliary information to the third-party auditor; S3. The third-party auditor generates challenge information, Send the challenge information to the cloud server and generate the pre-calculated value; S4. The cloud server generates the audit proof response information, and returns the audit proof response information to the third-party auditor; S5. The third-party auditor uses the pre-calculated value and system public parameters , the user's verification public key and anonymous identity to verify the correctness of the audit proof response information. The invention is designed based on a certificateless cryptographic system, which can effectively avoid key trusteeship and complicated certificate management.

Description

technical field [0001] The invention belongs to the technical field of information security, in particular to a certificate-free public audit method for cloud storage data integrity. Background technique [0002] In the era of big data, data is the most valuable resource. Big data can help us analyze problems, discover the laws of the development of things, and use these laws to solve practical problems. However, if we want to make better use of data, we first need to obtain as much data information as possible, and the second is to effectively process the data. Due to the wide range of data sources, various types and huge quantities, data acquisition requires a lot of storage devices to store data and sufficient computing power for data processing. Although the terminal equipment is constantly being updated and its performance has been greatly improved, the storage capacity and computing power of the terminal equipment cannot meet the needs of massive data storage and pro...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/32H04L9/30H04L29/08G06F21/62G06F21/60
CPCH04L9/3271H04L9/3247H04L9/3236H04L9/3073H04L67/1097G06F21/602G06F21/6245H04L2209/42
Inventor 张晓均王鑫唐伟王文琛薛婧婷刘庆
Owner SOUTHWEST PETROLEUM UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com