Information
Room No:
MA206, First Floor, Dept. of Mathematics
+91-870-2462835
ysr@nitw.ac.in
https://wsdc.nitw.ac.in/facultynew/facultyprofile/id/16898
Bio Sketch
Key Notes
- Journal(s): 23
- Conference(s): 20
- Book Chapter(s): 1
- PhD: Current - 2 Awarded - 2
- Event(s) Organized: Workshop - 7
44
PUBLICATIONS4
DOCTORAL STUDENTS2
PROJECTSResearch Areas
Attribute-based cryptography
Internet-of-drones (IoD) security
Number Theory and Cryptography
Post-quantum cryptography
Searchable encryption
Secure data sharing and retrieval in cloud environments
EDUCATION QUALIFICATION
| Degree | Institute | Year |
|---|---|---|
| Doctor of Philosophy | IIT KHARAGPUR | 2015 |
| Master of Technology | NIT KARNATAKA, SURATHKAL | 2010 |
COURSES HANDLED
| Course | L-T-P | Credit | Degree Level |
|---|---|---|---|
| Computational Number Theory(MA312) | 3-0-0 | 3 | UG |
| Graph Theory(MA264) | 3-0-0 | 3 | UG |
| Calculus and Ordinary Differential Equations(MA1171) | 3-1-0 | 4 | UG |
| Cryptography and Security(MA361) | 3-0-0 | 3 | UG |
| Search Methods in Artificial Intelligence(MAM04) | 3-0-0 | 3 | UG |
| Search Methods in Artificial Intelligence(MA1M04) | 3-0-0 | 3 | UG |
| Programming and Data Structures(MA1103) | 3-0-0 | 3 | UG |
| Computer Programming and Data Structures in Python(MA26003) | 3-0-0 | 3 | PG |
| Graph theory and Algorithms(MAI462) | 3-0-0 | 3 | UG |
| Problem Solving and Computer Programming(MA144) | 3-0-2 | 4 | UG |
| Cryptography(MA5202) | 3-0-0 | 3 | PG |
| Java Programming(MA4262) | 3-0-0 | 3 | PG |
| Differential Equations and Transforms(MA181) | 3-0-0 | 3 | UG |
| Mathematical Foundations of Computer Science(MA4201) | 3-0-0 | 3 | PG |
| Statistics and Numerical Methods(MA285) | 2-0-0 | 2 | UG |
| Integral Calculus and Transforms(MA187) | 3-0-0 | 3 | UG |
| Advanced Modern Algebra(MA4103) | 3-0-0 | 3 | PG |
| Linear Algebra, Calculus and Differential Equations(MA137) | 3-0-0 | 3 | UG |
RESEARCH IDs
ORC ID
SCOPUS ID
Google Scholar ID
PUBLICATIONS
Journal(s)
Fine-Grained Authorized Encrypted-Data Retrieval Mechanism Based on Boolean Query Searchable KP-ABE Framework,
By Suryakant Prasad, Y Sreenivasa Rao,
IEEE,
IEEE Internet of Things Journal,
vol.,
pp.,
2025
SPySAVer: Efficient Signature-Policy Attribute-Based Server-Aided Verification Signature for Industrial-Internet-of- Things. ,
By Suryakant Prasad, Y. Sreenivasa Rao,
Springer,
Cluster Computing,
vol.28,
pp.488,
2025
Designing Secure Data Storage and Retrieval Scheme in Cloud-Assisted Internet-of-Drones Environment,
By Suryakant Prasad, Y. Sreenivasa Rao,
IEEE,
IEEE Internet of Things Journal,
vol.11,
pp.13734 -13751,
2024
Boolean Searchable Attribute-Based Signcryption With Search Results Self- Verifiability Mechanism for Data Storage and Retrieval in Clouds,
By Y. Sreenivasa Rao, Suryakant Prasad, Sourav Bera, A. K. Das and W. Susilo,
IEEE,
IEEE Transactions on Services Computing,
vol.17,
pp.1382-1399,
2024
Designing Quantum-Secure Attribute-Based Encryption,
By Y. Sreenivasa Rao, Vikas S., Tapaswini M., Sumit Kumar D.:,
Springer,
Cluster Computing,
vol.27,
pp.3075–13091,
2024
Cryptanalysis of a quantum identity-based signature and its improvement,
By Y. Sreenivasa Rao, Vikas Srivastava, Tapaswini Mohanty, Sumit Kumar Debnath,
Springer,
Quantum Information Processing,
vol.23,
pp.Art. No. 318,
2024
Searchable Attribute-Based Proxy Re-encryption: Keyword Privacy, Verifiable Expressive Search and Outsourced Decryption,
By Sourav Bera, Y. Sreenivasa Rao,
Springer,
SN Computer Science,
vol.5,
pp.Art. No. 479,
2024
Verifiable and Boolean Keyword Searchable Attribute-Based Signcryption for Electronic Medical Record Storage and Retrieval in Cloud Computing Environment,
By Sourav Bera, Suryakant Prasad, Y. Sreenivasa Rao,
Springer,
Journal of Supercomputing,
vol.79,
pp.20324-20382,
2023
Designing attribute-based verifiable data storage and retrieval scheme in cloud computing environment,
By Sourav Bera, Suryakant Prasad, Y. Sreenivasa Rao, A. K. Das, Youngho Park,
Elsevier,
Journal of Information Security and Applications,
vol.75,
pp.1-29,
2023
Squeezed flow of polyethylene glycol and water based hybrid nanofluid over a magnetized sensor surface: A statistical approach,
By M. Jayachandra Babu, Y. Sreenivasa Rao, A. Suneel Kumar, C.S.K. Raju, S.A. Shehzad, T. Ambreen, Nehad Ali Shah ,
Elsevier ,
International Communications in Heat and Mass Transfer,
vol.135,
pp.106136,
2022
Efficient design of an authenticated key agreement protocol for dew-assisted IoT systems.,
By Saurabh Rana, Mohammad S. Obaidat, Dheerendra Mishra, Ankita Mishra & Y. Sreenivasa Rao:,
Springer,
The Journal of Supercomputing,
vol.78,
pp.3696−3714,
2022
Efficient single round attribute-based authenticated key exchange protocol,
By Suvradip C, Y. Sreenivasa Rao & C Pandu Rangan,
Taylor & Francis,
nternational Journal of Computer Mathematics: Computer Systems Theory,
vol.6,
pp.313−336,
2021
A provably secure dynamic ID-based authenticated key agreement framework for mobile edge computing without a trusted party. ,
By Dheerendra Mishra, Dharminder Dharminder, Preeti Yadav, Y. Sreenivasa Rao, Pandi Vijayakumar & Neeraj Kumar:,
Elsevier,
Journal of Information Security and Applications,
vol.55,
pp.,
2020
Computational Friendly Attribute-Based Encryptions with Short Ciphertext,
By Y. Sreenivasa Rao and Ratna Dutta,
Elsevier,
Theoretical Computer Science,
vol.668,
pp.1-26,
2017
Pairing-based CP-ABE with constant-size ciphertexts and secret keys for cloud environment. ,
By V. Odelu, A.K. Das, Y. Sreenivasa Rao, S. Kumari, M.K. Khan, K-K. Raymond Choo:
,
Elsevier,,
Computer Standards and Interfaces, ,
vol.54,
pp.3−9,
2017
A Secure and Efficient Ciphertext-Policy Attribute-Based Signcryption for Personal Health Records Sharing in Cloud Computing,
By Y. Sreenivasa Rao,
Elsevier,
Future Generation Computer Systems,
vol. 67,
pp.133−151,
2017
Attribute-Based Online/Offline Signcryption Scheme,
By Y. Sreenivasa Rao,
Wiley ,
International Journal of Communication Systems,
vol.30,
pp.1-20,
2017
Signature-Policy Attribute-Based Key-Insulated Signature,
By Y. Sreenivasa Rao,
IET,
IET Information Security,
vol.11,
pp.23−33,
2016
Attribute-Based Key-Insulated Signature for Boolean Formula.,
By Y. Sreenivasa Rao and Ratna Dutta,
Taylor & Francis,
International Journal of Computer Mathematics,
vol.93,
pp.864−888,
2016
Efficient Attribute-Based Signature and Signcryption Realizing Expressive Access Structures,
By Y. Sreenivasa Rao and Ratna Dutta,
Springer,
International Journal of Information Security,
vol.15,
pp.81−109,
2016
Bandwidth-Efficient Attribute-Based Key-Insulated Signatures with Message Recovery,
By Y. Sreenivasa Rao and Ratna Dutta,
Elsevier,
Information Sciences,
vol.369,
pp.648−673,
2016
Fully Secure Bandwidth-Efficient Anonymous Ciphertext-Policy Attribute Based Encryption,
By Y. Sreenivasa Rao and Ratna Dutta,
Wiley,
Security and Communication Networks,
vol.8,
pp.4157−4176,
2015
Fully Secure Anonymous Spatial Encryption Under Affine Space Delegation Functionality Revisited,
By Y. Sreenivasa Rao and Ratna Dutta,
Elsevier, ,
Journal of Information Security and Applications,
vol.24,
pp.1-12,
2015
Conference(s)
Efficient Data Sharing Based on IBE to ABE Conversion for Cloud-Assisted Environments
By Koshalesh Meher and Y. Sreenivasa Rao,
22nd International Conference on Distributed Computing and Intelligent Technology (ICDCIT-2026),
2026
LiST+: An Improved Lightweight Sharable and Traceable Secure Mobile Health System.
By Suryakant Prasad and Y. Sreenivasa Rao,
27th Annual International Conference on Information Security and Cryptology (ICISC 2024),
2025
An Efficient and Secure Quantum Group Signature with Applications to Vehicular Ad Hoc Networks
By V Srivastava, T. Mohanty, Y. Sreenivasa Rao.,
Security and Privacy. ICSP 2024,
2025
FineDReaM : A Boolean Query Searchable KP-ABE-Based Fine-Grained Authorized Encrypted-Data Retrieval Mechanism
By Suryakant Prasad and Y. Sreenivasa Rao,
27th Annual International Conference on Information Security and Cryptology (ICISC 2024),
2025
Cryptanalysis of Two Outsourced Ciphertext-Policy Attribute-Based Encryption Schemes
By Koshalesh Meher and Y. Sreenivasa Rao,
The 21st International Conference on Information Systems Security (ICISS 2025) ,
2025
Privacy Preserving Fingerprint Classification Using Federated Learning
By A. Soni, M. Sandhya, Y. Sreenivasa Rao,
5th International Conference on Deep Learning, Artificial Intelligence and Robotics, (ICDLAIR) 2023,
2024
Driver Safety and Drowsiness Detection in Internet of Vehicles with Federated Learning
By S. Banerjee, M. Sandhya, Y. Sreenivasa Rao,
5th International Conference on Deep Learning, Artificial Intelligence and Robotics, (ICDLAIR) 2023 ,
2024
A Score-Level Fusion Method for Protecting Fingerprint and Palmprint Templates
By M. Sandhya, Y. Sreenivasa Rao, Biswajeet, V. Dilip Kumar, and M. Anup Kumar,
International Conference On Security & Privacy (ICSP 2020),
2021
An Efficient Attribute-Based Authenticated Key Exchange Protocol
By Suvradip Chakraborty , Y. Sreenivasa Rao and C. Pandurangan,
16th International Conference on Cryptology and Network Security (CANS 2017),
2018
Attribute Based Key-Insulated Signatures with Message Recovery
By Y. Sreenivasa Rao and Ratna Dutta,
16th International Conference on Information and Communications Security (ICICS 2014),
2015
Privacy-Preserving Decentralized Key-Policy Attribute- Based Encryption Schemes with Fast Decryption
By Y. Sreenivasa Rao,
11th International Conference on Information Systems Security (ICISS 2015),
2015
Dynamic Ciphertext-Policy Attribute- Based Encryption for Expressive Access Policy
By Y. Sreenivasa Rao and Ratna Dutta,
10th International Conference on Distributed Computing and Internet Technology (ICDCIT 2014),
2014
Expressive Bandwidth-Efficient Attribute Based Signature and Signcryption
By Y. Sreenivasa Rao and Ratna Dutta,
9th Australasian Conference on Information Security and Privacy (ACISP 2014),
2014
Expressive Attribute Based Signcryption with Constant-Size Ciphertext
By Y. Sreenivasa Rao and Ratna Dutta,
7th International Conference on the Theory and Applications of Cryptology (AFRICACRYPT 2014),
2014
Recipient Anonymous Ciphertext-Policy Attribute Based Encryption
By Y. Sreenivasa Rao and Ratna Dutta,
9th International Conference on Information Systems Security (ICISS 2013),
2013
Decentralized Ciphertext-Policy Attribute- Based Encryption Scheme with Fast Decryption
By . Sreenivasa Rao and Ratna Dutta,
14th Joint IFIP TC6 and TC11 Conference on Communications and Multimedia Security (CMS 2013),
2013
Efficient Attribute Based Access Control Mechanism for Vehicular Ad Hoc Network
By Y. Sreenivasa Rao and Ratna Dutta,
7th International Conference on Network and System Security (NSS 2013),
2013
Computationally Efficient Expressive Key- Policy Attribute Based Encryption Schemes with Constant-Size Ciphertext
By Y. Sreenivasa Rao and Ratna Dutta,
15th International Conference on Information and Communications Security (ICICS 2013),
2013
Computationally Efficient Dual-Policy Attribute Based Encryption with Short Ciphertext
By Y. Sreenivasa Rao and Ratna Dutta,
7th International Conference on Provable Security (ProvSec 2013),
2013
Computationally Efficient Secure Access Control for Vehicular Ad Hoc Networks
By Y. Sreenivasa Rao and Ratna Dutta,
8th International Conference on Information Systems Security (ICISS 2012),
2012
Book Chapter(s)
Secure Threshold Attribute-Based Signcryption with Constant Number of Pairings
By Y. Sreenivasa Rao and Nishant Doshi in
Cryptographic and Information Security Approaches for Images and Videos,
CRC Press,
Research book,
2019
PROJECT / CONSULTANCY
Design and Implementation of Solving Discrete Logarithm Problem over GF (2^n) using Quasi Polynomial Time Algorithm.
Role:
Co-Principal Investigator
Type: Research
Sponsor: DRDO
Project Cost (INR): 2497956
Date of Commencement: 03-03-2022 Date of Completion: 02-03-2024
Duration: 24 Months
Status: Completed
Type: Research
Sponsor: DRDO
Project Cost (INR): 2497956
Date of Commencement: 03-03-2022 Date of Completion: 02-03-2024
Duration: 24 Months
Status: Completed
Designing Secure Lightweight Attribute-Based Data Storage and Retrieval Systems for Cloud Environment.
Role:
Principal Investigator
Type: Research
Sponsor: RSM, MHRD, India
Project Cost (INR): 500000
Date of Commencement: 03-08-2018 Date of Completion: 02-08-2020
Duration: 24 Months
Status: Completed
Type: Research
Sponsor: RSM, MHRD, India
Project Cost (INR): 500000
Date of Commencement: 03-08-2018 Date of Completion: 02-08-2020
Duration: 24 Months
Status: Completed
RESEARCH FELLOWS / PhD STUDENTS
Current PhD Students
Koshalesh Meher
Area of Research:
Designing proxy re-encryption schemes
M. Krishna Reddy
Area of Research:
Attribute-based Outsourced Signatures
Previous PhD Students
Sourav Bera
(2024)
Area of Research:
Secure data sharing and retrieval in cloud environments
Suryakant Prasad
(2024)
Area of Research:
Designing searchable encryption schemes
CONFERENCE / WORKSHOP / SYMPOSIUM / SHORT TERM COURSE / FACULTY DEVELOPMENT PROGRAMME
Teacher’s Enrichment Workshop on “Linear Algebra and Differential Equations"
21-Apr-2025
→
26-Apr-2025
Event Type:
Workshop
Role: Convenor
Funding Agency: National Centre for Mathematics (NCM), IIT Bombay & TIFR, Mumbai
Role: Convenor
Funding Agency: National Centre for Mathematics (NCM), IIT Bombay & TIFR, Mumbai
A Five Day Online National Workshop (self-finance) on Computational Number Theory and Mathematical Analysis (CNTMA-2022),
22-Dec-2022
→
26-Dec-2022
Event Type:
Workshop
Role: Co‑coordinator
Funding Agency: Self‑sponsored
Role: Co‑coordinator
Funding Agency: Self‑sponsored
A 5-day Online Short Term Course on “Python for Machine learning”
12-Jul-2021
→
16-Jul-2021
Event Type:
Workshop
Role: Co‑coordinator
Funding Agency: Self‑sponsored
Role: Co‑coordinator
Funding Agency: Self‑sponsored
A 5-day Online Short Term Course on “Python for Machine learning”
19-Jul-2021
→
23-Jul-2021
Event Type:
Workshop
Role: Co‑coordinator
Funding Agency: Self‑sponsored
Role: Co‑coordinator
Funding Agency: Self‑sponsored
A 5-day Online Short Term Course on “Python for Machine learning”
26-Jul-2021
→
30-Jul-2021
Event Type:
Workshop
Role: Co‑coordinator
Funding Agency: Self‑sponsored
Role: Co‑coordinator
Funding Agency: Self‑sponsored
A 5 day Online Short Term Course on “Data Analytics using Python” ,
08-Feb-2021
→
12-Feb-2021
Event Type:
Workshop
Role: Co‑coordinator
Funding Agency: Self‑sponsored
Role: Co‑coordinator
Funding Agency: Self‑sponsored
A 5 day workshop on Cryptography and Coding Theory
28-Jan-2019
→
01-Feb-2019
Event Type:
Workshop
Role: Co‑coordinator
Funding Agency: TEQIP-III, NIT Warangal
Role: Co‑coordinator
Funding Agency: TEQIP-III, NIT Warangal
AWARDS AND ACCOLADES
2024
Elected to the grade of IEEE Senior Member
2023
Excellent Teaching in NITW at UG, AY 2022-23
Excellent Teaching in NITW at PG, AY 2022-23
2010
CSIR-JRF (All India Rank 141)
2008
GATE 2008 (All India Rank 25)
2007
GATE (All India Rank 134)
ADDITIONAL RESPONSIBILITIES
- Departmental Academic committee (UG) (Continuing from September, 2025)
- Departmental Research committee (R) (Continuing from September, 2025)
- PIC (Placements) (Continuing from July, 2025)
- Member-convener, Departmental purchase committee (Continuing from July, 2025)
- Member, Department curriculum corrections committee (Continuing from May, 2025)
- DAPOC Member (Continuing from February, 2025)
- Member, Department level academic review committee (Continuing from February, 2025)
- Faculty Advisor (FA) for B.Tech. Mathematics and Computing (Continuing from July, 2024)
- PIC, Departmental level examinations (July, 2024 - August, 2025)
- Member, Condemnation and disposal of surplus, obsolete and unserviceable items (Continuing from August, 2023)
- PIC-Swachha (August, 2023 - August, 2025)
- Coordinator for all UG/PG service courses (Continuing from July, 2023)
- Faculty In-Charge, Departmental data collectioin, newsletter and webste (May, 2022 - August, 2023)
Last updated on December 8, 2025