Filters








22,892 Hits in 1.2 sec

Parallel and Dynamic Searchable Symmetric Encryption [chapter]

Seny Kamara, Charalampos Papamanthou
2013 Lecture Notes in Computer Science  
Our approach is highly parallelizable and dynamic.  ...  Our technique is simple and uses a red-black tree data structure; its security is proven in the random oracle model.  ...  The authors would like to thank Elaine Shi, Dawn Song, Emil Stefanov and Tom Roeder for useful discussions.  ... 
doi:10.1007/978-3-642-39884-1_22 fatcat:pqrlb3le7vf5ddbsdpsxodbjcq

Encrypting video and image streams using OpenCL code on- demand

Juan P. D'Amato, Marcelo J. Vénere
2014 CLEI Electronic Journal  
The idea is to encrypt or encode images and videos in an efficient and dynamic way. At the same time, these media could be enhanced applying a real-time image process.  ...  The algorithms and data structure are known by the parties only at communication time, what we suppose increases the robustness against possible attacks.  ...  On the other side, DES and RSA were not fast enough for multimedia data encryption; even they were running in parallel.  ... 
doi:10.19153/cleiej.17.1.5 fatcat:ruqca6okazf4vngcoto2kg2bty

High-Efficiency Parallel Cryptographic Accelerator for Real-Time Guaranteeing Dynamic Data Security in Embedded Systems

Zhun Zhang, Xiang Wang, Qiang Hao, Dongdong Xu, Jinlei Zhang, Jiakang Liu, Jinhui Ma
2021 Micromachines  
Dynamic data security in embedded systems is raising more and more concerns in numerous safety-critical applications.  ...  Therefore, this paper presents a security SoC architecture with integrating a four-parallel Advanced Encryption Standard-Galois/Counter Mode (AES-GCM) cryptographic accelerator for achieving high-efficiency  ...  and four-parallel structure to reduce the performance overhead.  ... 
doi:10.3390/mi12050560 pmid:34063441 fatcat:o6e4zpjoure6tcx245jzah6wgq

Programmable Cellular Automata Encryption Algorithm Implemented in Reconfigurable Hardware

Petre Anghelescu
2013 International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems  
The simple structure of CA has attracted researchers from different fields of interests and has undergone rigorous theoretical and experimental analysis.  ...  CA represents a particular class of dynamical systems that  ...  Class IV -generates global complex structures (very long transients with no apparent analog in continuous dynamic systems).  ... 
doi:10.11601/ijates.v2i2.12 fatcat:jnxvmlzmhrgajjgbibwpfwb2u4

A New Parallel Fuzzy Multi Modular Chaotic Logistic Map for Image Encryption

2021 ˜The œinternational Arab journal of information technology  
Firstly, a new hybrid chaotic system is introduced by using four parallel cascade chaotic logistic maps with a dynamic parameter control to achieve a high Lyapunov exponent value and completely chaotic  ...  This paper introduces a new image encryption algorithm based on a Parallel Fuzzy Multi-Modular Chaotic Logistic Map (PFMM-CLM).  ...  [38] , spatiotemporal chaotic system [1] , nonlinear dynamical system [16] parallel computing system [30] , and chaotic fuzzy image encryption [5, 6] were suggested.  ... 
doi:10.34028/iajit/18/2/12 fatcat:r2auu7isg5bsngmoyaih7qovsq

Proposed SMRAC: Secure Medical Record Access Control Model in Wireless Sensor Networks

Navneet Kaur, Sheenam Malhotra
2018 International Journal of Emerging Research in Management and Technology  
Parallelizing ciphertext policy attribute-based-encryption is implemented in SMRAC to improve the security of patient's data. Simulation result shows the effectiveness of the SMRAC model.  ...  For the monitoring and surveillance purposes wireless sensor networks are mostly used.  ...  [13] proposed P-CP-ABE (Parallelizing-ciphertext-policy-attribute-based-encryption). Key management and encryption/decryption process was identified and accelerated.  ... 
doi:10.23956/ijermt.v6i7.194 fatcat:d3z2h4hqzjfhxpvqr6tcfp2gl4

Subject Index

2006 Journal of Discrete Algorithms  
graph algorithms Dynamic shortest paths and transitive closure: Al- gorithmic techniques and data structures, 353 Equal union property Polynomial recognition of equal unions in hyper- graphs with  ...  ) scheme On the mean number of encryptions for tree-based broadcast encryption schemes, 215 Tiling An optimal algorithm to generate tilings, 168 Time-dependent parameter setting On the analysis of a dynamic  ... 
doi:10.1016/s1570-8667(06)00094-3 fatcat:e5in7ez4svbdlcjyzzev4xkzhm

A Parallel Encryption Algorithm Based on Piecewise Linear Chaotic Map

Xizhong Wang, Deyun Chen
2013 Mathematical Problems in Engineering  
The parallel algorithm provides much better performance than the serial ones and would be useful to apply in encryption/decryption file with large size or multimedia.  ...  We introduce a parallel chaos-based encryption algorithm for taking advantage of multicore processors. The chaotic cryptosystem is generated by the piecewise linear chaotic map (PWLCM).  ...  Acknowledgments The authors thank the anonymous referees and the editor for their helpful comments and suggestions.  ... 
doi:10.1155/2013/537934 fatcat:c7rcio527bdofe633rca7thxru

Anefficient 2-Step DNA symmetric cryptography algorithm based on dynamic data structures

Jossy P. George, Joseph Varghese Kureethara
2018 International Journal of Engineering & Technology  
It performs the DNA data encryption in just two-step by using random private key for each letter in the plaintext and parallel swapping of the resultant text in small clusters.  ...  DNA computing is one of the emerging technologies in the arena of huge data storage and parallel computation. A single gram of DNA holds 5.5 petabytes of data.  ...  Input: Plaintext Data Structure: Dynamic Linked-List Output: Ciphertext Step 1: Generate random number between 1-5.  ... 
doi:10.14419/ijet.v7i2.6.10140 fatcat:2kojz3gtvfcmfepbmc4bd6aehu

A Novel Two Level Search Scheme to Provide Security and Privacy of Encrypted Spatial Data

Ch.V.B.Neeraja ., Dept. of Computer Science and Engineering, University college of engineering JNTUK, Kakinada, India, Dept. of Computer Science and Engineering, University college of engineering JNTUK, Kakinada, India, S.S.S..Usha Devi N
2018 International Journal of Scientific Research in Computer Sciences and Engineering  
First, enrich search functionalities by designing new solutions to carry out fundamental geometric search queries, which are supported over encrypted data.  ...  Second, minimize the gap between theory and practice by building novel schemes to perform geometric queries with highly efficient search time and updates over large scale spatial data.  ...  STEP 9: Dynamic grid structure is used where query server QS, acts as an intermediate between user and service provider SP.  ... 
doi:10.26438/ijsrcse/v6i5.2529 fatcat:wzmjtbtsdzc23bmixb75dclkrq

A Novel Parallelizable Chaotic Image Encryption Scheme based on Elliptic Curves

Alaa M. Abbas, Ayman A. Alharbi, Saleh Ibrahim
2021 IEEE Access  
In this paper, we proposed a highly parallel image encryption scheme, which utilizes available parallel processing resources to reduce encryption and decryption times.  ...  The authors introduced an image encryption framework with provable security characteristics by combining chaotic masking and dynamic substitution boxes.  ... 
doi:10.1109/access.2021.3068931 fatcat:aspejfwegfbndpu5pdarh63l5m

A Self-Adaptive Parallel Encryption Algorithm Based on Discrete 2D-Logistic Map

Jing Wang, Guoping Jiang
2013 International Journal of Modern Nonlinear Theory and Application  
The proposed algorithm can meet the three requirements of parallel operation in image encryption and the real-time requirement in transmission processes.  ...  A self-adaptive parallel encryption algorithm based on discrete 2D-Logistic map is developed according to the position scrambling and diffusion of multi-direction in variable space of spatial chaos.  ...  Acknowledgements The authors are greatly indebted to anonymous reviewers for their valuable comments and suggestions. This  ... 
doi:10.4236/ijmnta.2013.21a011 fatcat:r56e2jsjgvgyjhxyc6ucmnmvji

A dynamically reconfigurable hardware-based cipher chip

Yukio Mitsuyama, Zaldy Andales, Takao Onoye, Isao Shirakawa
2001 Proceedings of the 2001 conference on Asia South Pacific design automation - ASP-DAC '01  
The new approach demonstrates distinctive features of enhanced complexity and flexibility dedicatedly for embedded encryption/decryption applications in the mobile computing.  ...  A cipher core has been implemented, which is dedicated to a 64-bit block, 128-bit key, dynamically reconfigurable hardware-based cipher, called "Chameleon", in which two 32cell, 8-context dynamically reconfigurable  ...  The proposed cipher has been fabricated in the fabrication program of VLSI Design and Education Center (VDEC), the University of Tokyo, with the collaboration by Rohm Corporation and Toppan Printing Corporation  ... 
doi:10.1145/370155.370205 dblp:conf/aspdac/MitsuyamaAOS01 fatcat:5dvfidnq3fgm5bteqxwnmmpfle

Modified Fully Homomorphic Encryption based on Parallel Processing in Cloud Computing

Parth Tandel, Abhinav Shubhrant, Mayank Sohani
2021 International Journal of Scientific Research in Computer Science Engineering and Information Technology  
Encryption (HE) using a Parallel Processing concept (Partitioning, Assigning, Scheduling, etc) and thereby producing a better performing Homomorphic Encryption (HE) called Fully Homomorphic Encryption  ...  Furthermore, the objective of the paper is to propose, produce and implement a method to convert the already implemented sequentially processing Homomorphic Encryption into parallel processing Homomorphic  ...  . • Dynamic Partitioning -The dynamic partition approach divides up the tasks while running. As a consequence, systems are more busy and the input data isn't affected.  ... 
doi:10.32628/cseit217252 fatcat:gcyjtctm7vhi7ebkg6mwc57pey

Design and Implementation of a Heterogeneous High-performance Computing Framework using Dynamic and Partial Reconfigurable FPGAs

Xingjun Zhang, Yanfei Ding, Yiyuan Huang, Xiaoshe Dong
2010 2010 10th IEEE International Conference on Computer and Information Technology  
This node has the ability to do dynamic and partial reconfiguration and can load different computing units according to the different requirements.  ...  Using module-based partial reconfiguration design method, a FPGA based dynamic and partial reconfigurable computing node is designed.  ...  Hardware Structure of the Reconfigurable Computing Node Module-based partial configurable design method [6] is used in the paper, and the hardware structure of the dynamic reconfigurable computing node  ... 
doi:10.1109/cit.2010.401 dblp:conf/IEEEcit/ZhangDHD10 fatcat:7rsxmoobinf23m2n4zciqbohie
« Previous Showing results 1 — 15 out of 22,892 results