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Title |
Concealed Policy and Ciphertext Cryptography of Attributes with Keyword Searching for Searching and Filtering Encrypted Cloud Email |
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Author |
Hind Alhumaidi and Hatim Alsuwat |
| Citation |
Vol. 22 No. 6 pp. 212-222 |
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Abstract |
There has been a rapid increase in the use of cloud email services. As a result, email encryption has become more commonplace as concerns about cloud privacy and security grow. Nevertheless, this increase in usage is creating the challenge of how to effectively be searching and filtering the encrypted emails. They are popular technologies of solving the issue of the encrypted emails searching through searchable public key encryption. However, the problem of encrypted email filtering remains to be solved. As a new approach to finding and filtering encrypted emails in the cloud, we propose a ciphertext-based encrypted policy attribute-based encryption scheme and keyword search procedure based on hidden policy ciphertext. This feature allows the user of searching using some encrypted emails keywords in the cloud as well as allowing the emails filter-based server toward filter the content of the encrypted emails, similar to the traditional email keyword filtering service. By utilizing composite order bilinear groups, a hidden policy system has been successfully demonstrated to be secure by our dual system encryption process. Proposed system can be used with other scenarios such as searching and filtering files as an applicable method. |
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Keywords |
Attribute accompanied by Keyword-based Searching, system of dual cryptography, filtering-based encrypted email, Policy of concealed. |
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