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Researchers at IIT-Kharagpur develop Technology to unlock Encrypted data on cloud server with Keywords

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Kolkata, April 12, 2017: Researchers at IIT-Kharagpur have developed a solution to access encrypted data on cloud server with keywords, without the need for decryption nor compromising the security of the system, a statement said on Wednesday.

The solution by the Secured Embedded Architecture Lab (SEAL) at IIT Kharagpur is pragmatic in the sense that it allows analytics on the encrypted data itself, it said, adding that this eliminates the need to decrypt the data or compromise system security.

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“We need cryptosystems that allow searchable encryption, or more simply, keyword search over encrypted document collections and databases” said researcher Sikhar Patranabis at SEAL.

The research has led to Controlled Access Searchable Encryption (CASE), a new public-key searchable encryption, or the process of encoding a message or information in such a way that only authorised parties can access it.

“We are expecting to have a full-fledged prototype implementation of our controlled-access searchable encryption set-up by the end of 2017,” Patranabis said.

CASE allows a data owner to generate a controlled-search access that can restrict the search capabilities of a data user to a specific subset of documents in the collection.

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“This prevents the vulnerability of the full data set. CASE also preserves the privacy of the underlying plain-text data under well-known cryptographic assumptions,” said Debdeep Mukhopadhyay, lead researcher of the project and Director of incubation at Embedded Security and Privacy Pvt Ltd. (ESP), STEP-IIT Kharagpur.

Data encryption which is used as solution to data security often makes data searching and data mining operations difficult.

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The solution involving sending data back to the owner for decryption and returning to the same client, is time-consuming with high costs as it requires heavy bandwidth and storage capabilities.

It also under-utilises the computational ability of the cloud, which is usually much greater than that of individual devices.

CASE addresses the gap, say the researchers. (IANS)

 

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Microsoft Surface Pro Now Available In India

There is a full-size glass trackpad with five-finger multi-touch capabilities that allows for ultimate precision and the keyboard is wrapped in soft Alcantara material

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Global chip-maker Qualcomm Technologies and Microsoft have collaborated with leading retailers from across the world to offer new "always connected" Windows 10 PCs powered by the Qualcomm Snapdragon Mobile PC Platform. Wikimedia Commons
  • Microsoft released its Surface Pro in India
  • It is a high-resolution tablet with 12.3-inch touch-display
  • Customers can buy the Surface Pro from a number of retailers in India

Microsoft on Thursday announced its Surface Pro notebook and accessories are available in India. Surface Pro features a high-resolution 12.3-inch “PixelSense” touch display that supports the new Surface Pen 4.

The first generation, 2-in-1 detachable of the Microsoft Surface series — with a configuration of Intel Core m3, 128 GB SSD, 4GB RAM and Intel HD Graphics 615 — will cost Rs 64,999.

Microsoft introduces its Surface Pro Indian markets. Wikimedia Commons
Microsoft introduces its Surface Pro Indian markets. Wikimedia Commons

Customers can buy the device through more than 130 commercial resellers, the company said in a statement.

“We are delighted to announce the launch of Surface Pro in India and offer our consumers another superior device that will enable them create, study, work and play virtually anywhere,” said Vineet Durani, Director, Windows and Devices, Microsoft India.

Also Read: Microsoft Announces Indian Languages Support For e-mail Addresses

With a new hinge that adjusts to 165 degrees, users can now put the device into “Studio Mode”, thus, creating the optimal position to write or sketch.

It also has a tilt functionality that detects the angle of the Surface Pen to enable more natural shading.

At 8.5-mm thickness and weighing 767 grams, the notebook packs the in 7th-generation Intel Core processor with a fanless design.

Surface Pro has a battery life of 13.5 hours. Wikimedia Commons
Surface Pro has a battery life of 13.5 hours. Wikimedia Commons

 

Its battery supports up to 13.5 hours of life.

There is a full-size glass trackpad with five-finger multi-touch capabilities that allows for ultimate precision and the keyboard is wrapped in soft Alcantara material. IANS

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