28-09-2016, 12:06 PM
1456566011-FinalReview.ppt (Size: 651 KB / Downloads: 4)
ABSTRACT
This paper makes the first attempt to formally address the problem of authorized data deduplication.
Different from traditional deduplication systems, the differential privileges of users are further considered in duplicate check besides the data itself.
We also present several new deduplication constructions supporting authorized duplicate check in a hybrid cloud architecture.
EXISTING SYSTEM
Data deduplication systems, the private cloud is involved as a proxy to allow data owner/users to securely perform
Duplicate check with differential privileges.
Such an architecture is practical and has attracted much attention from researchers.
The data owners only outsource their data storage by utilizing public cloud while the data operation is managed in private cloud.
DISADVANTAGES OF EXISTING SYSTEM
Traditional encryption, while providing data confidentiality, is incompatible with data deduplication.
Identical data copies of different users will lead to different ciphertexts, making deduplication impossible.
PROPOSED SYSTEM
In this paper,we enhance our system in security.
Specifically, we present an advanced scheme to support stronger security by encrypting the file with differential privilege keys.
In this way, the users without corresponding privileges cannot perform the duplicate check. Furthermore, such unauthorized users cannot decrypt the ciphertext even collude with the S-CSP.
Security analysis demonstrates that our system is secure in terms of the definitions specified in the proposed security model.
ADVANTAGES OF PROPOSED SYSTEM
The user is only allowed to perform the duplicate check for files marked with the corresponding privileges.
We present an advanced scheme to support stronger security by encrypting the file with differential privilege keys.
Reduce the storage size of the tags for integrity check. To enhance the security ofdeduplication and protect the data confidentiality.
HARDWARE REQUIREMENTS
System : Pentium IV 2.4 GHz.
Hard Disk : 40 GB.
Floppy Drive : 1.44 Mb.
Monitor : 15 VGA Colour.
Mouse : Logitech.
Ram : 512 Mb.
SOFTWARE REQUIREMENTS
Operating system : Windows XP/7.
Coding Language : JAVA/J2EE
IDE : Netbeans 7.4
Database : MYSQL