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Storage method, system and application supporting efficient auditing and deduplication of multiple backup ciphertexts

A ciphertext and backup technology, applied in the field of cloud storage security, can solve problems such as the inability to directly combine cloud storage services, and achieve the effect of bandwidth, computing efficiency, and good scalability

Active Publication Date: 2022-04-29
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing solutions cannot meet these requirements at the same time, and the existing solutions cannot be directly combined to meet the current needs of cloud storage services

Method used

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  • Storage method, system and application supporting efficient auditing and deduplication of multiple backup ciphertexts
  • Storage method, system and application supporting efficient auditing and deduplication of multiple backup ciphertexts
  • Storage method, system and application supporting efficient auditing and deduplication of multiple backup ciphertexts

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Embodiment Construction

[0064] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0065] Aiming at the problems existing in the prior art, the present invention provides a storage method, system and application that support efficient auditing and multi-backup ciphertext deduplication. The present invention will be described in detail below with reference to the accompanying drawings.

[0066] like figure 1 As shown, the storage method that supports efficient auditing and multi-backup ciphertext deduplication provided by the present invention includes the following steps:

[0067] S101: The SharingBox system initializes public and private parameters according to the Setup protocol, and assists the clien...

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Abstract

The invention belongs to the technical field of cloud storage security, and discloses a storage method, system and application that support efficient auditing and multi-backup ciphertext deduplication. The SharingBox system initializes and public and private parameters according to the Setup protocol, and assists the client to generate files The encryption key of the block; according to the Put protocol, the client processes data, generates verification tags, uploads the data and verification tags to the cloud server, and requires storage of multiple copies; when the client wants to download data, the Get protocol is triggered; when the client The Delete protocol is triggered when the end wants to reduce the number of copies or delete its outsourced files; the Attest protocol and the Verify protocol are used by verifiers to assist cloud users to verify the integrity of data and copies in the cloud. The present invention can effectively defend against malicious attacks from all parties in the system including the cloud storage provider, and ensure that the overall time delay of the system is acceptable.

Description

technical field [0001] The invention belongs to the technical field of cloud storage security, and in particular relates to a storage method, system and application that support efficient auditing and deduplication of multiple backup ciphertexts. Background technique [0002] With the continuous innovation and breakthrough of Internet information technology, especially the emergence and development of IoT, artificial intelligence and cloud computing technology, the amount of data has exploded, and cloud storage has gradually become the trend of information storage. Cloud storage can provide users with cheap and convenient services such as data storage, access and seamless synchronization on different devices, and has become an indispensable part of people's daily life, so it has attracted extensive attention from academia and industry. In recent years, researchers have invested a lot of energy in the design of encrypted storage solutions such as encrypted data deduplication,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/40H04L67/1097H04L67/1095G06F21/64G06F21/60G06F11/14
CPCH04L63/045H04L63/123H04L67/1097H04L67/1095G06F11/1453G06F11/1464G06F21/602G06F21/64
Inventor 姜涛徐淑浩陈婉清郭钦
Owner XIDIAN UNIV
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