Resilient Identity Based Encryption for Cloud Storage by using Aggregate Keys

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Provided by: International Journal of Advanced Research in Computer Engineering & Technology
Topic: Cloud
Format: PDF
Data sharing is an important feature in cloud storage. In this paper, the authors show how to securely, efficiently, share data with others in cloud storage. They describe novel public-key cryptography which produce constant-size ciphertexts such that it gives the efficient decryption rights for any set of ciphertexts are possible. The novelty is that one can combine any set of secret keys and make them as portable as a single key. In other words, the secret key holder can release a constant-size combined key for flexible choices of ciphertext set in cloud storage.
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