Piyush Mittal
Most of the web applications are associated with database as back-end so there are possibilities of SQL injection attacks (SQLIA) on it. Even SQLIA is among top ten attacks according to Open Web Application Security Project (OWASP) but still approaches are not able to give proper solution to this problem. Numbers of measures are also […]
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Adrian Pousa, Victoria Maria Sanz, Armando De Giusti
This article presents a performance analysis of the symmetric encryption algorithm AES (Advanced Encryption Standard) on a machine with one GPU and a cluster of GPUs, for cases in which the memory required by the algorithm is more than that of a GPU. Two implementations were carried out, based on C language, that use the […]
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Wagner M. Nunan Zola, Luis C. Erpen De Bona
Warped AES is a high performance heterogeneous GPU/CPU-SSE parallel method for encryption using GPUs. Considering the performance of encryption in GPU memory alone, our algorithm outperforms current published implementations on comparable hardware. In our ongoing research, we have also devised a speculative method for high throughput encryption on GPUs, while preserving low latency to client […]
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Adrian Pousa, Victoria Sanz, Armando de Giusti
In this paper, a performance analysis of the symmetric encryption algorithm AES (Advanced Encryption Standard) on various multicore architectures is presented. To this end, three implementations based on C language that use the parallel programming tools OpenMP, MPI and CUDA to be run on multicore processors, multicore clusters and GPU, respectively, were carried out. The […]
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Qinjian Li, Chengwen Zhong, Kaiyong Zhao, Xinxin Mei, Xiaowen Chu
GPU is continuing its trend of vastly outperforming CPU while becoming more general purpose. In order to improve the efficiency of AES algorithm, this paper proposed a CUDA implementation of Electronic Codebook (ECB) mode encoding process and Cipher Feedback (CBC) mode decoding process on GPU. In our implementation, the frequently accessed T-boxes were allocated on […]
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Amir Moradi, Markus Kasper, Christof Paar
This paper presents a side-channel analysis of the bitstream encryption mechanism provided by Xilinx Virtex FPGAs. This work covers our results analyzing the Virtex-4 and Virtex-5 family showing that the encryption mechanism can be completely broken with moderate effort. The presented results provide an overview of a practical real-world analysis and should help practitioners to […]
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Bin Liu, Bevan M. Baas
By exploring different granularities of data-level and task-level parallelism, we map 16 implementations of an Advanced Encryption Standard (AES) encipher with both online and offline key expansion on a fine-grained many-core system. The smallest design utilizes only 6 cores for offline key expansion and 8 cores for online key expansion, while the largest requires 107 […]
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Keisuke Iwai, Naoki Nishikawa, Takakazu Kurokawa
GPU exhibits the capability for applications with a high level of parallelism despite its low cost. The support of integer and logical instructions by the latest generation of GPUs enables us to implement cipher algorithms more easily. However, decisions such as parallel processing granularity and memory allocation impose a heavy burden on programmers. Therefore, this […]
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Alex Biryukov and Johann Grossschadl
The block cipher Rijndael has undergone more than ten years of extensive cryptanalysis since its submission as a candidate for the Advanced Encryption Standard (AES) in April 1998. To date, most of the publicly-known cryptanalytic results are based on reduced-round variants of the AES (respectively Rijndael) algorithm. Among the few exceptions that target the full […]
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James Sweet
Due to the high demand for secure Internet usage, an improvement of the SSL performance is needed. This paper describes a technique to improve the performance of SSL by creating a CPU/GPU hybrid proxy to sit in front of a web server to only handle the SSL overheads. This will allow the utilization of high […]
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Keon Jang, Sangjin Han, Seungyeop Han, Sue Moon, KyoungSoo Park
Secure end-to-end communication is becoming increasingly important as more private and sensitive data is transferred on the Internet. Unfortunately, today’s SSL deployment is largely limited to security or privacycritical domains. The low adoption rate is mainly attributed to the heavy cryptographic computation overhead on the server side, and the cost of good privacy on the […]
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Adrian Marius Chiuta
Current video cards (GPUs – Graphics Processing Units) are very programmable, have become much more powerful than the CPUs and they are very affordable. In this paper, we present an implementation for the AES algorithm using Direct3D 10 certified GPUs. The graphics API Direct3D 10 is the first version that allows the use of integer […]
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