Number Theory and Cryptography, Computer and Information Security, Algorithm Design and Analysis, Computational Complexity, Financial Mathematics

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1 RESEARCH INTERESTS Number Theory and Cryptography, Computer and Information Security, Algorithm Design and Analysis, Computational Complexity, Financial Mathematics EXPERIENCE Assistant Professor, May Present C.R.Rao Advanced Institute of Mathematics, Statistics and Computer Science (AIMSCS), Hyderabad, India Visiting Faculty, Indian Institute of Technology, Hyderabad, India Honorary Lecturer, University of Hyderabad, Hyderabad, India August Present January Present Graduate Lecturer / Assistant, Aug May 2012 University of Minnesota (UMN), Minneapolis, MN, USA Lectured, held recitations and labs, and graded various advanced graduate and undergraduate courses including Probability, Calculus, Analysis (real & complex), Differential Equations, Algebra, Linear Algebra, Finite Fields, Mathematical Logic, Cryptography (classical & quantum), Error correcting codes, Mathematical Theory Applied to Finance, and Computation, Algorithms, & Coding in Finance Please visit for details. Mentor, June Aug 2010 Interdisciplinary Research Experience for Undergraduates, Institute of Mathematics and its Applications (IMA), UMN Research Assistant, May Aug 2007 Intelligent Storage Consortium, Digital Technology Center (DTC), UMN Research Visitor, July Aug 2006 Center for Discrete Mathematics and Theoretical Computer Science (DIMACS), Rutgers University, Piscataway, NJ Research Fellow, June Aug 2006 Minnesota Center for Industrial Mathematics (MCIM), UMN Research Scholar, Aug July 2003 Tata Institute of Fundamental Research (TIFR), Bombay Page 1 of 7

2 EDUCATION Ph.D. - Cryptography, GPA: 3.88/4.00, May 2012 University of Minnesota (UMN), Minneapolis, MN, USA Advisor : Prof. Andrew Odlyzko M.S. - Computer Science, GPA: 3.84/4.00, Aug 2007 Department of Computer Science and Engineering, UMN M.S. - Mathematics, GPA: 3.91/4.00, Aug 2007 School of Mathematics, UMN P.G.Certificate in Statistical Methods and Applications, First Class, July 2000 Indian Statistical Institute, Calcutta B.Sc. - Mathematics, with Honors, July 2000 St. Xavier's College, University of Calcutta, Calcutta PUBLICATIONS (INTERNATIONAL JOURNALS) Analysis-Preserving Protection of User Privacy against Information Leakage of Social-Network Likes with F.Buccafurri, L.Fotia, and G.Lax. Information Sciences 328, Elsevier An Anonymous Proxy Multi-signature with Accountability (Book chapter) with R.A.Sahu, E-Business and Telecommunications, CCIS 554, Springer, A Secure Anonymous Proxy Signcryption Scheme In submission PUBLICATIONS (INTERNATIONAL CONFERENCES) Public-Key Encryption with Searchable Keywords based on Jacobi Symbols with G.D.Crescenzo, IndoCrypt 2007, LNCS 4859, Springer, 2007 Anonymous Signatures Revisited with A.Yun, ProvSec 2009, LNCS 5848, Springer, 2009 Remote Cache-timing Attacks on AES with D.Feldman, D.F.Kune, and S.Das, CS2, HiPEAC 2014, ACM, 2014 A Secure Anonymous Proxy Multi-signature Scheme with R.A.Sahu, Secrypt 2014, SciTePress, 2014 How to Leak a Secret and Reap the Rewards too with S.K.Pandey, LatinCrypt 2014, LNCS 8895, Springer, 2014 Secure and Efficient Scheme for Delegation of Signing Rights with R.A.Sahu, ICICS 2014, LNCS 8958, Springer, 2014 Practical and Secure Integrated PKE+PEKS with Keyword Privacy with F.Buccafurri, G.Lax and R.A.Sahu. Secrypt 2015, SciTePress, 2015 Strengthening NTRU Against Message Recovery Attacks Arithmetic 2015: Elliptic curves, diophantine geometry, and arithmetic dynamics, Brown University, Providence, RI, USA, 2015 Efficient and Secure Many-to-One Signature Delegation (To appear) with R.A.Sahu, ICICS 2015, LNCS, Springer, 2015 Page 2 of 7

3 FUNDED PROJECTS / RESEARCH EXPEDITIONS Attacks on Elliptic Curve Discrete Log Problem, June Present Funding agency: Defence Research & Development Organisation, Govt. of India Post Quantum Cryptology, Oct Present Funding agency: Defence Research & Development Organisation, Govt. of India SUBMITTED PROJECTS / RESEARCH EXPEDITIONS Remote Cache Timing Attacks on AES Implementation of Attacks on Discrete Log Problem using Function Field Sieve OTHER CURRENT / RECENT PROJECTS Side Channel Cryptanalysis (of block/stream ciphers) Development of an Indigenous Lightweight Block Cipher May Present May Present Design of a Lattice Based Cryptosystem May Sep 2013 Software Methodologies for Lattice Based Cryptanalysis May Sep 2013 PAST PROJECTS Counterparty Credit Risk in Over-The-Counter Derivatives January 2012 Minnesota Center for Financial and Actuarial Mathematics (MCFAM), UMN Pursuit Evasion Games with Multiple Pursuers June Aug 2010 Institute of Mathematics and its Applications (IMA), UMN Secure and Efficient Long Term Data Management May May 2008 Intelligent Storage Consortium, Digital Technology Center, UMN Long Term Key Management May May 2008 Intelligent Storage Consortium, Digital Technology Center, UMN Applied Remote Cache-timing Attacks against AES Sept May 2007 Institute of Technology, UMN Cryptographic Multi-linear Maps Jan May 2005 Institute of Technology, UMN Basic Lie Theory Aug July 2003 School of Mathematics, Tata Institute of Fundamental Research, Bombay Engel Curve Analysis of Expenditure of Employees of ISI, Calcutta, Indian Statistical Institute, Kolkata Jan June 2003 Page 3 of 7

4 INVITED TALKS AND SEMINARS Invited Talk September 21-22, 2013 Refresher Course in Mathematical Sciences, UGC-Academic Staff College, University of Hyderabad, Hyderabad Invited Talk May 18-22, 2015 CRSI National Instructional Workshop on Cryptology, HPU, Shimla Invited Talk June 5-9, 2014 CRSI National Instructional Workshop on Cryptology, MNNIT, Allahabad Invited Talk March 10-15, 2014 Instructional Workshop on Graph Theory and its Applications to Visual Cryptography, Kalasalingam University, Krishnankoil Invited Seminar January 23, 2014 Birla Institute of Technology & Science, Pilani - Goa Invited Seminar January 01, 2014 B. V. Raju Institute of Technology, Hyderabad Invited Talk November 07, 2013 Cyber Security, ADHYAYAN 2013, AMSSOI, Hyderabad Invited Seminar October 25, 2013 School of Computer and Information Sciences, University of Hyderabad Invited Talk October 03, 2013 Faculty Development Program on Information Security and Cyber Forensics, GITAM Institute of Technology, Vishakhapatnam Invited Talk September 04-05, 2013 Refresher Course in Mathematical Sciences, UGC-Academic Staff College, University of Hyderabad, Hyderabad Invited Talk March 07-09, 2013 Refresher Course in Mathematical Sciences, UGC-Academic Staff College, University of Mysore, Mysore Invited Talk May 16, 2010 Young Researchers Meet on Mathematics and Computer Science, Brown University, Providence, RI, USA Invited Talk January 12, 2010 Workshop on Generic Ring Algorithms, Horst-Görtz Institute for IT Security, Ruhr-University-Bochum, Germany Invited Talk December 12, 2007 IndoCrypt 2007, 8th International Conference on Cryptology in India, Indian Institute of Technology, Chennai Page 4 of 7

5 WORKSHOPS AND SEMINARS ORGANIZED/CONDUCTED Code Based Crypto Workshop 2015 September 2015 International workshop jointly organized by CRRao AIMSCS and SAG DRDO Training on Elliptic Curves March 2015 for scientists of the Scientific Analysis Group (SAG, DRDO), New Delhi Training on Block Cipher Design July 2014 for scientists of the Cabinet Secretariat, New Delhi Training on Lattice-based Cryptosystems and Cryptanalysis March 2013 for scientists of Scientific Analysis Group (SAG, DRDO), New Delhi Training on Lattice-based Cryptosystems and Cryptanalysis January 2013 for scientists of Scientific Analysis Group (SAG, DRDO), New Delhi Training on Block Ciphers November 2012 for scientists of National Technical & Research Organization (NTRO), New Delhi Short course on Anonymous Identity-based Cryptosystem July-September 2012 for post-graduate research scholars at Student Number Theory Seminar School of Mathematics, University of Minnesota, USA IMPORTANT WORKSHOPS AND TRAINING SCHOOLS ATTENDED International Workshop on Lattice-Based Cryptography December 2013 Organized by Microsoft Research, Bangalore International View of the State-of-the-Art of Cryptography and Security and its Use in Practice December 2013 Organized by Intel, Bangalore, India Financial Mathematics Modelling Workshop January 2012 Minnesota Center for Financial and Actuarial Mathematics, UMN (MCFAM) CIMPA School of Number Theory in Cryptography & its Applications July 2010 Kathmandu University, Nepal Workshop on Generic Ring Algorithms January 2010 Horst-Görtz Institute for IT Security, Ruhr University Bochum, Germany Young Researchers Meet on Mathematics and Computer Science May 2010 Brown University, Providence, RI, USA IMA Workshop on Complexity, Coding, and Communications April 2007 Institute of Mathematics and it Applications, UMN, Minneapolis, USA Computational Number Theory and Applications to Cryptography July 2006 Organized by NSF and IMA and RMMS and Fields Institute. Conducted at University of Wyoming, USA Page 5 of 7

6 INTERNATIONAL CONFERENCES ATTENDED Mathematics of Cryptography Irvine, CA, USA, August-September 2015 Crypto 2015: 35th International Cryptology Conference Santa Barbara, CA, USA, August 2015 Arithmetic 2015: Elliptic curves, Diophantine geometry, & arithmetic dynamics Brown University, Providence, RI, USA, August 2015 First International Conference on Integrated Approach to Counter-Terrorism (CTC 2015) Jaipur March 2015 IndoCrypt 2014: 15th International Conference on Cryptology in India Delhi, December 2014 ECC 2014: 18th Workshop On Elliptic Curve Cryptography Chennai October 2014 SeCrypt 2014: 11th International Conference on Security and Cryptography Vienna, Austria August 2014 DSCI Annual Information Security Summit New Delhi, December 2013 IndoCrypt 2013: 14th International Conference on Cryptology in India Mumbai December 2013 AsiaCrypt 2013: 19th Annual International Conference on Theory and Application of Cryptology and Information Security Bangalore December 2013 DSCI Best Practices Meet on Cyber Security Chennai July 2013 Conference in Number Theory Kolkata December 2012 IndoCrypt 2012: 13th International Conference on Cryptology in India Kolkata December rd Worldwide Cyber Security Summit New Delhi October 2012 Crypto 2012: 32nd International Cryptology Conference Santa Barbara, CA, USA August 2012 Crypto 2009: 29th International Cryptology Conference Santa Barbara, CA, USA August 2009 Pairing: 6th International Conference on Pairing-Based Cryptography Palo Alto, CA, USA August 2009 Page 6 of 7

7 PROFESSIONAL MEMBERSHIPS Cryptology Research Society of India Life member AWARDS Full-tuition Scholarship and Assistantship Graduate School, University of Minnesota, USA TIFR Alumni Association Scholarship for Career Development School of Mathematics, Tata Institute of Fundamental Research, Bombay STUDENTS (CO)MENTORED V. Ram Chandra Prasad M.Tech Project, Indian Institute of Technology, Hyderabad Abhishek Shukla M.Tech Project, University of Hyderabad, Hyderabad Chetan Sharma M.Tech Project, Sardar Patel University of Police, Security & Criminal Justice, Jodhpur Nitish Vyas M.Tech Project, Sardar Patel University of Police, Security & Criminal Justice, Jodhpur Aaron Maurer IMA Interdisciplinary Research Experience for Undergraduates, 2010 Carleton College, Minnesota, USA John McCauleyIMA Interdisciplinary Research Experience for Undergraduates, 2010 Haverford College, Pennsylvania, USA Silviya Valeva IMA Interdisciplinary Research Experience for Undergraduates, 2010 Mount Holyoke College, Massachusetts, USA REFEREES Professor Andrew Odlyzko School of Mathematics, UMN Professor David Frank School of Mathematics, UMN Professor Fadil Santosa Institute of Mathematics and its Applications, UMN Professor Scott Adams Minnesota Center for Financial and Actuarial Mathematics, UMN Professor Nicholas Hopper Department of Computer Science and Engineering, UMN Page 7 of 7