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276 results on '"Dutta, Avijit"'

1. The Committing Security of MACs with Applications to Generic Composition

Author

Bhaumik, Ritam, Chakraborty, Bishwajit, Choi, Wonseok, Dutta, Avijit, Govinden, Jérôme, Shen, Yaobin, Goos, Gerhard, Series Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Reyzin, Leonid, editor, and Stebila, Douglas, editor

Published
2024
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2. Tight Security Bound of

Author

Datta, Nilanjan, Dutta, Avijit, Kundu, Samir, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Chattopadhyay, Anupam, editor, Bhasin, Shivam, editor, Picek, Stjepan, editor, and Rebeiro, Chester, editor

Published
2024
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3. On the Security of Triplex- and Multiplex-Type Constructions with Smaller Tweaks

Author

Datta, Nilanjan, Dutta, Avijit, List, Eik, Mandal, Sougata, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Chattopadhyay, Anupam, editor, Bhasin, Shivam, editor, Picek, Stjepan, editor, and Rebeiro, Chester, editor

Published
2024
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7. PAE: Towards More Efficient and BBB-Secure AE from a Single Public Permutation

Author

Bhattacharjee, Arghya, Bhaumik, Ritam, Dutta, Avijit, List, Eik, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Wang, Ding, editor, Liu, Zheli, editor, and Chen, Xiaofeng, editor

Published
2023
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8. Proof of Mirror Theory for a Wide Range of

Author

Cogliati, Benoît, Dutta, Avijit, Nandi, Mridul, Patarin, Jacques, Saha, Abishanka, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Hazay, Carmit, editor, and Stam, Martijn, editor

Published
2023
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11. INT-RUP Security of SAEB and TinyJAMBU

Author

Datta, Nilanjan, Dutta, Avijit, Ghosh, Shibam, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Isobe, Takanori, editor, and Sarkar, Santanu, editor

Published
2022
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14. Minimizing the Two-Round Tweakable Even-Mansour Cipher

Author

Dutta, Avijit, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Moriai, Shiho, editor, and Wang, Huaxiong, editor

Published
2020
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15. BBB Secure Nonce Based MAC Using Public Permutations

Author

Dutta, Avijit, Nandi, Mridul, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Nitaj, Abderrahmane, editor, and Youssef, Amr, editor

Published
2020
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19. $\textsf{LightMAC}$: Fork it and make it faster.

Author

Datta, Nilanjan, Dutta, Avijit, and Mancillas-López, Cuauhtemoc

Subjects
CRYPTOGRAPHY, FORKS
Abstract

In FSE'16, Lyukx et al. have proposed $\textsf{LightMAC}$ that achieves a query length independent security of $ O(q^2/2^n) $ when instantiated with two independently keyed block ciphers. This high security comes at the cost of reducing the data injection rate to $ (n-s) $ bits per primitive invocation and restricting the query length up to $ (n-s)2^s $ bits, for a fixed counter size $ s $. Recently in ASIACRYPT'21, Chattopadhyay et al. have shown that $\textsf{LightMAC}$ achieves the same security even when it is instantiated with a single keyed block cipher. However, it limits the length of a message to $ (n-s) \min\{2^{n/4}, 2^s\} $ bits for a fixed counter size $ s $. In this paper, we propose $\textsf{LightFORK}$, a forkcipher variant of $\textsf{LightMAC}$ that achieves an improved query length independent security bound of the order of $ O(q^2/2^{n+s}) $, maintaining full $ n $ bit message injection per primitive call, where $ n $ and $ s $ denote the block size and tweak size of the forkcipher respectively. The maximum message length is also increased to $ n2^{n/6+s/2} $ bits. Our security proof is based on a new technique called resetting with delayed sampling, which is an extension of the reset-sampling technique of Chattopadhyay et al. [ABSTRACT FROM AUTHOR]

Published
2024
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20. Information Retrieval Techniques Used by the Midnapore College (Autonomous) Library Users: A Study

Author

Dutta, Avijit and Das, Subarna Kumar

Subjects
BH. Information needs and information requirements analysis.
Abstract

Paper aims to present the results of a survey conducted to determine the information retrieval techniques used by the teachers and students of Midnapore College library, India as a result of the questionnaire-based survey conducted at the library. Out of 100 samples of the questionnaire distributed 93 completed and received for analysis. Study reveals that a significant number of users search information regarding the library material through OPAC despite encountering problems. Lack of basic skills among users was found to be the major reason for not utilizing full features of OPAC and the other reasons are improper query formulation and non use of search operators while surf the web. It is suggested that library should organize quality instruction programmes to improve knowledge and skills of the users.

Published
2014

21. Beyond Birthday Bound Secure MAC in Faulty Nonce Model

Author

Dutta, Avijit, Nandi, Mridul, Talnikar, Suprita, Hutchison, David, Editorial Board Member, Kanade, Takeo, Editorial Board Member, Kittler, Josef, Editorial Board Member, Kleinberg, Jon M., Editorial Board Member, Mattern, Friedemann, Editorial Board Member, Mitchell, John C., Editorial Board Member, Naor, Moni, Editorial Board Member, Pandu Rangan, C., Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Terzopoulos, Demetri, Editorial Board Member, Tygar, Doug, Editorial Board Member, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Ishai, Yuval, editor, and Rijmen, Vincent, editor

Published
2019
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26. Digital Security: An Enigma

Author

Dutta, Avijit, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Bokhari, M. U., editor, Agrawal, Namrata, editor, and Saini, Dharmendra, editor

Published
2018
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27. Encrypt or Decrypt? To Make a Single-Key Beyond Birthday Secure Nonce-Based MAC

Author

Datta, Nilanjan, Dutta, Avijit, Nandi, Mridul, Yasuda, Kan, Hutchison, David, Series Editor, Kanade, Takeo, Series Editor, Kittler, Josef, Series Editor, Kleinberg, Jon M., Series Editor, Mattern, Friedemann, Series Editor, Mitchell, John C., Series Editor, Naor, Moni, Series Editor, Pandu Rangan, C., Series Editor, Steffen, Bernhard, Series Editor, Terzopoulos, Demetri, Series Editor, Tygar, Doug, Series Editor, Weikum, Gerhard, Series Editor, Shacham, Hovav, editor, and Boldyreva, Alexandra, editor

Published
2018
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28. Tweakable HCTR: A BBB Secure Tweakable Enciphering Scheme

Author

Dutta, Avijit, Nandi, Mridul, Hutchison, David, Series Editor, Kanade, Takeo, Series Editor, Kittler, Josef, Series Editor, Kleinberg, Jon M., Series Editor, Mattern, Friedemann, Series Editor, Mitchell, John C., Series Editor, Naor, Moni, Series Editor, Pandu Rangan, C., Series Editor, Steffen, Bernhard, Series Editor, Terzopoulos, Demetri, Series Editor, Tygar, Doug, Series Editor, Weikum, Gerhard, Series Editor, Chakraborty, Debrup, editor, and Iwata, Tetsu, editor

Published
2018
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33. The Iterated Random Function Problem

Author

Bhaumik, Ritam, Datta, Nilanjan, Dutta, Avijit, Mouha, Nicky, Nandi, Mridul, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Takagi, Tsuyoshi, editor, and Peyrin, Thomas, editor

Published
2017
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38. Supplementary Figure 4 from Tumor-Derived Chemokine CCL5 Enhances TGF-β–Mediated Killing of CD8+ T Cells in Colon Cancer by T-Regulatory Cells

Author

Chang, Li-Yuan, primary, Lin, Yung-Chang, primary, Mahalingam, Jayashri, primary, Huang, Ching-Tai, primary, Chen, Ten-Wen, primary, Kang, Chiao-Wen, primary, Peng, Hui-Min, primary, Chu, Yu-Yi, primary, Chiang, Jy-Ming, primary, Dutta, Avijit, primary, Day, Yuan-Ji, primary, Chen, Tse-Ching, primary, Yeh, Chau-Ting, primary, and Lin, Chun-Yen, primary

Published
2023
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39. Data from Tumor-Derived Chemokine CCL5 Enhances TGF-β–Mediated Killing of CD8+ T Cells in Colon Cancer by T-Regulatory Cells

Author

Chang, Li-Yuan, primary, Lin, Yung-Chang, primary, Mahalingam, Jayashri, primary, Huang, Ching-Tai, primary, Chen, Ten-Wen, primary, Kang, Chiao-Wen, primary, Peng, Hui-Min, primary, Chu, Yu-Yi, primary, Chiang, Jy-Ming, primary, Dutta, Avijit, primary, Day, Yuan-Ji, primary, Chen, Tse-Ching, primary, Yeh, Chau-Ting, primary, and Lin, Chun-Yen, primary

Published
2023
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40. Supplementary Figure 1 from Tumor-Derived Chemokine CCL5 Enhances TGF-β–Mediated Killing of CD8+ T Cells in Colon Cancer by T-Regulatory Cells

Author

Chang, Li-Yuan, primary, Lin, Yung-Chang, primary, Mahalingam, Jayashri, primary, Huang, Ching-Tai, primary, Chen, Ten-Wen, primary, Kang, Chiao-Wen, primary, Peng, Hui-Min, primary, Chu, Yu-Yi, primary, Chiang, Jy-Ming, primary, Dutta, Avijit, primary, Day, Yuan-Ji, primary, Chen, Tse-Ching, primary, Yeh, Chau-Ting, primary, and Lin, Chun-Yen, primary

Published
2023
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41. Supplementary Figure Legends 1-4 from Tumor-Derived Chemokine CCL5 Enhances TGF-β–Mediated Killing of CD8+ T Cells in Colon Cancer by T-Regulatory Cells

Author

Chang, Li-Yuan, primary, Lin, Yung-Chang, primary, Mahalingam, Jayashri, primary, Huang, Ching-Tai, primary, Chen, Ten-Wen, primary, Kang, Chiao-Wen, primary, Peng, Hui-Min, primary, Chu, Yu-Yi, primary, Chiang, Jy-Ming, primary, Dutta, Avijit, primary, Day, Yuan-Ji, primary, Chen, Tse-Ching, primary, Yeh, Chau-Ting, primary, and Lin, Chun-Yen, primary

Published
2023
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42. Supplementary Figure 3 from Tumor-Derived Chemokine CCL5 Enhances TGF-β–Mediated Killing of CD8+ T Cells in Colon Cancer by T-Regulatory Cells

Author

Chang, Li-Yuan, primary, Lin, Yung-Chang, primary, Mahalingam, Jayashri, primary, Huang, Ching-Tai, primary, Chen, Ten-Wen, primary, Kang, Chiao-Wen, primary, Peng, Hui-Min, primary, Chu, Yu-Yi, primary, Chiang, Jy-Ming, primary, Dutta, Avijit, primary, Day, Yuan-Ji, primary, Chen, Tse-Ching, primary, Yeh, Chau-Ting, primary, and Lin, Chun-Yen, primary

Published
2023
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43. Supplementary Figure 2 from Tumor-Derived Chemokine CCL5 Enhances TGF-β–Mediated Killing of CD8+ T Cells in Colon Cancer by T-Regulatory Cells

Author

Chang, Li-Yuan, primary, Lin, Yung-Chang, primary, Mahalingam, Jayashri, primary, Huang, Ching-Tai, primary, Chen, Ten-Wen, primary, Kang, Chiao-Wen, primary, Peng, Hui-Min, primary, Chu, Yu-Yi, primary, Chiang, Jy-Ming, primary, Dutta, Avijit, primary, Day, Yuan-Ji, primary, Chen, Tse-Ching, primary, Yeh, Chau-Ting, primary, and Lin, Chun-Yen, primary

Published
2023
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46. Relatively preserved functional immune capacity with standard COVID-19 vaccine regimen in people living with HIV.

Author

Chen-Yiu Hung, Sung-Han Hsiao, Chung-Guei Huang, Chia-Shiang Chang, Guan-Yan Chen, Yu-Lin Huang, Dutta, Avijit, and Ching-Tai Huang

Subjects
HIV-positive persons, COVID-19 vaccines, MEDICAL personnel, FUNCTIONAL status, T cells
Abstract

Introduction: People living with HIV (PLWH) are at a higher risk of severe disease with SARS-CoV-2 virus infection. COVID-19 vaccines are effective in most PLWH. However, suboptimal immune responses to the standard two-shot regimen are a concern, especially for those with moderate to severe immunodeficiency. An additional dose is recommended as part of the extended primary series in Taiwan. Herein, we study the efficacy of this additional shot in PLWH with mild immunodeficiency compared to that in healthy non-HIV people. Methods: In total, 72 PLWH that were asymptomatic or with mild immunodeficiency (CD4 counts ≥200/mm³) and suppressed virology, and 362 healthcare workers of our hospital were enrolled. None of the participants had a history of SARS-CoV-2 infection. They received mRNA-1273 and ChAdOx1 vaccines. Anti-SARS-CoV-2 neutralizing and anti-Spike IgG antibodies, and SARS-CoV-2-specific T cell responses were evaluated. Results: The standard two-shot regimen elicited lower responses in PLWH than the healthcare workers without HIV infection, although the difference was statistically insignificant. They had comparable levels of neutralizing and anti-Spike antibodies and comparable effector CD4+ and CD8+ T cell responses. The third shot boosted the SARS-CoV-2 immunity significantly more with better antibody responses and higher IFN-γ and IL-2 responses of the CD4+ and CD8+ T cells in PLWH compared to those without HIV. Upon in vitro stimulation with extracted Wuhan strain SARS-CoV-2 proteins, CD8+ T cells from PLWH after 3 shots had more durable effector responses than the non-HIV controls with extended time of stimulation. Conclusion: This subtle difference between PLWH and non-HIV people implied immune exhaustion with two shots in non-HIV people. Slightly compromised immunity in PLWH indeed preserved the functional capacity for further response to the third shot or natural infection. [ABSTRACT FROM AUTHOR]

Published
2023
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49. Deterministic Hard Fault Attack on Trivium

Author

Dutta, Avijit, Paul, Goutam, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Kobsa, Alfred, Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Yoshida, Maki, editor, and Mouri, Koichi, editor

Published
2014
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