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Method for auditing cloud access in real time

An access method and cloud technology, applied in encryption devices with shift registers/memory, instruments, digital transmission systems, etc.

Inactive Publication Date: 2018-07-03
TIDETIME SUN LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the audit needs to have a basis, that is, evidence (Proof), which is a message (SignedMessages) that has been signed by both parties, so users must check each time before executing an application or accessing a file to ensure that the cloud platform is safe and secure

Method used

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  • Method for auditing cloud access in real time
  • Method for auditing cloud access in real time
  • Method for auditing cloud access in real time

Examples

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Embodiment Construction

[0021] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following examples are given and described in detail with reference to the drawings.

[0022] Such as figure 1 , 2 as shown, figure 1 For the file folder tree structure, figure 2 is a hash value tree structure, composed of figure 1 It is known that when a user client starts to use cloud services, the user client calculates the hash value (Hash value) of each file and folder in the library in its operating system and records it. figure 2 It is known that from the leaf nodes at the bottom of the tree, the files and folders are calculated layer by layer, for example, h(d3)=h(h(f2)|h(d6)|h(f3)), where h ha Hash function, because the hash value at the top is called the root hash value. Due to the characteristics of the cryptographic encryption function, if the value of one of the nodes is modified, a different root hash value will be obtai...

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PUM

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Abstract

A method for auditing cloud access in real time includes steps of Step 1: client obtains necessary information from a synchronization server (SYS), by executing a library comprising index function [gamma] required by program, and saving a root hash value R of a fully binary hash tree (FBHTREE) in SYS; Step 2: the client obtains leave node position corresponding to FBHTREE and corresponding tree node position by inputting an index function [gamma] via file absolute path; Step 3: obtaining slice of FBHTREE based on the leave node position in Step 2; Step 4: performing a hash computation on treenode position in the slice and hash value saved at another tree node position to obtain hash value of tree node position of one previous level till root hash value Y is obtained; Step 5: comparing thehash value Y and the root hash value R saved by the client.

Description

technical field [0001] The invention provides a cloud access method for real-time auditing of cloud services. Background technique [0002] Due to the increasing popularity of cloud services, many cloud service providers have begun to provide file access services. Nowadays, many people choose to rent network space on the cloud for software development or website service provision. However, when cloud service providers provide file access services, they are not completely safe. Files on cloud servers may be damaged due to improper storage by cloud service providers, and even cloud servers have been implanted with malware. Some cloud service providers claim that their services are safe and defensible, but users do not know whether they can really isolate and protect cloud servers safely. Consider the following scenario: user A rents a cloud hard drive on the cloud, and the cloud platform may shut down the cloud hard drive when user A suspends the use of the cloud hard drive,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L9/06H04L29/06
CPCH04L9/0643H04L9/3239H04L63/10H04L67/10G06F21/552G06F21/604H04L63/105G06F16/2246G06F16/2255
Inventor 黄冠寰
Owner TIDETIME SUN LTD
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