Query-Biased Preview over Outsourced and Encrypted Data
نویسندگان
چکیده
منابع مشابه
Query-Biased Preview over Outsourced and Encrypted Data
For both convenience and security, more and more users encrypt their sensitive data before outsourcing it to a third party such as cloud storage service. However, searching for the desired documents becomes problematic since it is costly to download and decrypt each possibly needed document to check if it contains the desired content. An informative query-biased preview feature, as applied in m...
متن کاملTop-k Query Processing Over Outsourced Encrypted Data
Nowadays, cloud data outsourcing provides users and companies with powerful capabilities to store and process their data in third-party data centers. However, the privacy of the outsourced data is not guaranteed by the cloud providers. One solution for protecting the user data against security attacks is to encrypt the data before being sent to the cloud servers. Then, the main problem is to ev...
متن کاملPrivate Key based query on encrypted data
Nowadays, users of information systems have inclination to use a central server to decrease data transferring and maintenance costs. Since such a system is not so trustworthy, users' data usually upkeeps encrypted. However, encryption is not a nostrum for security problems and cannot guarantee the data security. In other words, there are some techniques that can endanger security of encrypted d...
متن کاملA Survey on Keyword Based Search over Outsourced Encrypted Data
To ensure security, encryption techniques play a major role when data are outsourced to the cloud. Problem of retrieving the data from the cloud servers is considered. Many searching techniques are used for retrieving the data. This study focused on a set of keyword based search algorithms. It provides secure data retrieval with high efficiency. It concludes Ranked Searchable Symmetric Encrypti...
متن کاملFast Query Over Encrypted Character Data in Database
There are a lot of very important data in database, which need to be protected from attacking. Cryptographic support is an important mechanism of securing them. People, however, must tradeoff performance to ensure the security because the operation of encryption and decryption greatly degrades query performance. To solve such a problem, an approach is proposed that can implement SQL query on th...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Scientific World Journal
سال: 2013
ISSN: 1537-744X
DOI: 10.1155/2013/860621