Proxy Re-Encryption in cloud using ALBC (adaptive lattice based cryptography)
نویسندگان
چکیده
منابع مشابه
Lattice Based Identity Based Proxy Re-Encryption Scheme
At Eurocrypt 1998, Blaze, Bleumer and Strauss (BBS) presented a new primitive called proxy reencryption. This new primitive allows semi trusted proxy to convert a ciphertext for Alice into a ciphertext for Bob without underlying message. Till now all the identity based proxy re-encryption schemes are based on the number theoretic assumptions like prime factorization, discrete logarithm problem ...
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Cloud computing is a model for enabling convenient, on demand network access to a shared pool of computing resources. The cloud storage system consists of a collection of storage servers and key servers. Storing data in a third party cloud system causes serious concern on data confidentiality, so a user divides the data into blocks, encrypts and stores them in various storage servers. The stora...
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A cloud storage system, consisting of a collection of storage servers, provides long-term storage services over the Internet. Storing data in a third party's cloud system causes serious concern over data confidentiality. General encryption schemes protect data confidentiality, but also limit the functionality of the storage system because a few operations are supported over encrypted data. Cons...
متن کاملIdentity-Based Proxy Re-encryption
In a proxy re-encryption scheme a semi-trusted proxy converts a ciphertext for Alice into a ciphertext for Bob without seeing the underlying plaintext. A number of solutions have been proposed in the public-key setting. In this paper, we address the problem of Identity-Based proxy re-encryption, where ciphertexts are transformed from one identity to another. Our schemes are compatible with curr...
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ژورنال
عنوان ژورنال: Indonesian Journal of Electrical Engineering and Computer Science
سال: 2019
ISSN: 2502-4760,2502-4752
DOI: 10.11591/ijeecs.v16.i3.pp1455-1463