Data Security using KAC for Sharing Scalable Data

computer engineering

Sharing any information is an important function in cloud storage. This system prove how to share data securely, e_ciently, and exibly with others in cloud storage. And access the private information in cloud with the help of secrete key.They describe new technique i.e. public-key cryptosystems for secure communication between data owner and third party user also .Public key cryptosystem produce constant-size cipher texts such that e_cient delegation of decryption rights for any set of ciphertexts are possible. In the key aggregate cryptosystem one can aggregate any set of secret keys and make them as compact as a single key, but encompassing the power of all the keys being aggregated. This compact aggregate key can be kindly sent to others for data access it increase data personally and security. In innovation cryptographic key generation techniques, this technique possesses unique cryptographic key aggregate cryptosystem which is helpful for secure data and privacy preserving key generation process.And propose access level policy structure such as Public and Private Access level to improve the data access mechanism in the data sharing mechanism process. Governments, military, business and Private Citizens all over the world now use stegnography and cryptography for security and privacy purpose to secure sharing information in the cloud storage . Computer forensics and another forensic methods such as digital forensics ,alternate data storage forensic etc. are used more popular in recently world due to advantages in computer systems and Authentication as well as investigation purpose in computer communication.

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