Cloud Computing is developed and used by all enterprise in world to outsource their data. To maintain confidentiality of shared data against entrusted party encryption of data is important. Many scheme is introduced to achieve security of outsource data in cloud .But they fails to achieve data integrity in cloud. Sometimes entrusted cloud service provider modifies or deletes the data without ge...

There is a Major problem in public clouds about the sharing of documents on attribute based policies, sharing data in a dynamic groups . With the help of advantage of low maintenance, cloud computing gives the effective solution for sharing group resource among cloud users. As the sharing of documents with different keys like attribute based encryption (ABE), and/or proxy re-encryption (PRE) ap...

In the era where computers dominate the other facilities, it becomes even more productive once connected to the world with the help of internet. Although it possesses certain challenges to connect oneself to the world. The challenges of Authenticity, confidentiality, and anonymity and all of the notions of security with the concern aspects. Depending on the application the encryption techniques...