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Bilinear Entropy Expansion from the Decisional Linear Assumption
[chapter]
2015
Lecture Notes in Computer Science
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We develop a technique inspired by pseudorandom functions that allows us to increase the entropy available for proving the security of dual system encryption schemes under the Decisional Linear Assumption ...
The shares belonging to all attributes form a vector over Z p . ...
assumption such as the decisional linear assumption (DLIN). ...
doi:10.1007/978-3-662-48000-7_26
fatcat:dijuxpucubb37gejlab6ah3wtu
Better Security for Deterministic Public-Key Encryption: The Auxiliary-Input Setting
[chapter]
2011
Lecture Notes in Computer Science
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Within this framework, we propose two schemes: the first is based on the decisional Diffie-Hellman (and, more generally, on the d-linear) assumption, and the second is based on a rather general class of ...
Bellare et al. addressed this difficulty by requiring semantic security to hold only when the plaintext has high min-entropy from the adversary's point of view. ...
Our first construction is based on the decisional Diffie-Hellman assumption, (and more generally, on any of the d-linear assumptions), and our second construction is based on a rather general class of ...
doi:10.1007/978-3-642-22792-9_31
fatcat:2wqngpibvvajtnljikbjh3e5le
Tools for Simulating Features of Composite Order Bilinear Groups in the Prime Order Setting
[chapter]
2012
Lecture Notes in Computer Science
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schemes that are proven secure from the decisional linear assumption. ...
This provides a close analog of the Boneh-Boyen IBE scheme that is proven fully secure from the decisional linear assumption. We also provide a translation of the Lewko-Waters unbounded HIBE scheme. ...
from the decisional linear assumption (DLIN) in prime order bilinear groups. ...
doi:10.1007/978-3-642-29011-4_20
fatcat:zeubdepyd5bf7alykjdwt7rqli
Relational Hash: Probabilistic Hash for Verifying Relations, Secure Against Forgery and More
[chapter]
2015
Lecture Notes in Computer Science
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Using the linear Relational Hash schemes we develop Relational Hashes for detecting proximity in terms of hamming distance. ...
We develop a Relational Hash scheme for discovering linear relations among bit-vectors (elements of F n 2 ) and Fp-vectors. ...
Assumption 2 (Decisional Binary Mix). ...
doi:10.1007/978-3-662-47989-6_25
fatcat:anllsw5725aavnpsfujnwtp6cu
Relational Hash
[chapter]
2016
The Role and Importance of Mathematics in Innovation
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Using the linear Relational Hash schemes we develop Relational Hashes for detecting proximity in terms of hamming distance. ...
We develop a Relational Hash scheme for discovering linear relations among bit-vectors (elements of F n 2 ) and Fp-vectors. ...
Assumption 2 (Decisional Binary Mix). ...
doi:10.1007/978-981-10-0962-4_9
fatcat:q4k6dcte7zfnlgb43dczaftbue
Better Security for Deterministic Public-Key Encryption: The Auxiliary-Input Setting
2013
Journal of Cryptology
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Within this framework, we propose two schemes: the first is based on the d-linear assumption for any d ≥ 1 (including, in particular, the decisional Diffie-Hellman assumption), and the second is based ...
Bellare et al. addressed this difficulty by requiring semantic security to hold only when the plaintext has high min-entropy from the adversary's point of view. ...
Acknowledgements The second author would like to thank Ilya Mironov and Omkant Pandey for useful discussions on deterministic public-key encryption. ...
doi:10.1007/s00145-012-9143-4
fatcat:jaqammijjbdcrkswrdlkhvu6mm
Partitioning via Non-linear Polynomial Functions: More Compact IBEs from Ideal Lattices and Bilinear Maps
[chapter]
2016
Lecture Notes in Computer Science
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from the same assumption. ...
This is the first IBE scheme based on the hardness of a computational/search problem, rather than a decisional problem such as DDH and DLIN on bilinear maps with sub-linear public parameter size. ...
We also thank the members of Shin-Akarui-Angou-Benkyoukai for their helpful ...
doi:10.1007/978-3-662-53890-6_23
fatcat:zfz7ekwvk5gqjohc3occ3ce5jy
Correlated Pseudorandom Functions from Variable-Density LPN
2020
2020 IEEE 61st Annual Symposium on Foundations of Computer Science (FOCS)
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The VDLPN assumption is independently motivated by two additional applications. ...
Parity with Noise assumption (VDLPN). ...
We would like to thank Nader Bshouty, Rocco Servedio, Jean-Pierre Tillich, Nicolas Sendrier, and Thomas Debris for useful discussions and pointers, and the anonymous FOCS reviewers for helpful suggestions ...
doi:10.1109/focs46700.2020.00103
fatcat:eqi522uulnbrtfgl6j2gvsvkra
Leakage-Resilient Cryptography from Puncturable Primitives and Obfuscation
[chapter]
2018
Advances in Industrial Control
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[GKPV10] proved that the LWE assumption itself is leakage-resilient and then built a leakage-resilient secret-key encryption from it. Akavia et al. ...
chosen independently and x still has high min-entropy given leakage z. 3 Goldreich-Levin theorem can be interpreted as a leakage-resilient assumption, which states that if h is oneway then hc(x) is pseudorandom ...
For concrete relations, we may obtain hc with linear number of hardcore bits by either iterating a one-way permutation or relying on decisional assumptions. ...
doi:10.1007/978-3-030-03329-3_20
fatcat:smqhwdi2pvgkrmskqdon6zrjmi
Data Encryption Standard (DES)
[chapter]
2011
Encyclopedia of Cryptography and Security
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Therefore the Decisional Diffie-Hellman assumption was formulated, as follows: The Decisional Diffie-Hellman (DDH) Problem: Given a group G, a generator g of G, and three elements a, b, c ∈ G, decide whether ...
Note that all bits in DES are numbered from left to right, i.e., the leftmost bit of a block (the most significant bit) is bit 1. 1. Expansion (E). ...
The signature scheme is based on the ElGamal digital signature scheme and borrows ideas from Schnorr digital signatures for reducing signature size. ...
doi:10.1007/978-1-4419-5906-5_568
fatcat:wly6ca3tv5e2pc2woejsoaoubm
Signature Schemes with Efficient Protocols and Dynamic Group Signatures from Lattice Assumptions
[chapter]
2016
Lecture Notes in Computer Science
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These tools provide similar advantages to those of structure-preserving signatures in the realm of bilinear groups. ...
This work provides new tools enabling the design of anonymous authentication systems whereby new users can join the system at any time. ...
The first author was funded by the "Programme Avenir Lyon Saint-Etienne de l'Université de Lyon" in the framework of the programme "Investissements d'Avenir" (ANR-11-IDEX-0007). ...
doi:10.1007/978-3-662-53890-6_13
fatcat:ylu5kgpmefejlfejjsqj7ewfda
Data Service Outsourcing and Privacy Protection in Mobile Internet
[chapter]
2018
Data Service Outsourcing and Privacy Protection in Mobile Internet
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Preface The data of mobile Internet have the characteristics of large scale, variety of patterns, complex association and so on. ...
On the one hand, it needs efficient data processing model to provide support for data services, and on the other hand, it needs certain computing resources to provide data security services. ...
In [177] the Waters scheme is proven secure under the decisional q-parallel BDHE assumption. ...
doi:10.5772/intechopen.79903
fatcat:kvdisoudirgdhd7tvscnhsb6gm
Data Security and Privacy Protection for Cloud Storage: A Survey
2020
IEEE Access
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The continuous growth of data storage pressure drives the rapid development of the entire storage market on account of massive data generated. ...
The new development trends including Internet of Things (IoT), smart city, enterprises digital transformation and world's digital economy are at the top of the tide. ...
Cheung and Newport [21] presented an improved scheme based on [7] , which is proved to be CPA secure and CCA secure under the Decisional Bilinear Diffie-Hellman (DBDH) assumption. ...
doi:10.1109/access.2020.3009876
fatcat:6kcb3junlzhvvcq3qhztumpdqq
Secure Sharing of Partially Homomorphic Encrypted IoT Data
2017
Proceedings of the 15th ACM Conference on Embedded Network Sensor Systems - SenSys '17
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IoT applications often utilize the cloud to store and provide ubiquitous access to collected data. ...
To address these concerns, we present Pilatus, a data protection platform where the cloud stores only encrypted data, yet is still able to process certain queries (e.g., range, sum). ...
This work was partly supported by a grant from CPER Nord-Pas-de-Calais/FEDER DATA and VINNOVA, Sweden's innovation agency. ...
doi:10.1145/3131672.3131697
dblp:conf/sensys/ShafaghHBFD17
fatcat:55mwjscqsbdulbl2yl3z5bh7oe
Traitor Tracing with Optimal Transmission Rate
[chapter]
Lecture Notes in Computer Science
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non-standard assumptions for bilinear groups. ...
Our construction relies on the decisional bilinear Diffie-Hellman assumption, and attains the same features of public traceability as (a repaired variant of) [CPP05], which is less efficient and requires ...
Preliminaries The security properties of our construction hinge upon the decisional bilinear Diffie-Hellman assumption (DBDH) for (G 1 , G 2 ). ...
doi:10.1007/978-3-540-75496-1_5
fatcat:e4p652p4mne67kab6njbbs5bra
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