Older papers

• Rebalancing in Acyclic Payment Networks
  Lalitha M. Subramanian and Guruprasad Eswaraiah and Roopa Vishwanathan
  Privacy, Security and Trust (PST) 2019 [pdf].
• Exploring Automation in Proofs of Attribute-based Encryption in the Standard Model
  Guruprasad Eswaraiah and Lalitha M. Subramanian and Roopa Vishwanathan
  Privacy, Security and Trust (PST) 2019 [pdf].
• Private and Secure Mixing in Credit Networks
  Lalitha M. Subramanian and Guruprasad Eswaraiah and Roopa Vishwanathan
  ACM Blockchain and Internet of Things Conference (BIOTC) 2019 [pdf].
• Attribute-based Signatures: The Case for Automation
  Lalitha M. Subramanian and Roopa Vishwanathan
  SECRYPT 2018 [pdf].
• Automated Proofs of Signatures using Bilinear Pairings
  Guruprasad Eswaraiah and Roopa Vishwanathan and Douglas Nedza
  Privacy, Security and Trust (PST) 2018 [pdf].
• Expiration and Revocation of Keys for Attrbiute-based Signatures
  Stephen R. Tate and Roopa Vishwanathan
  Data and Application Security and Privacy (DBSec) 2015 [eprint version].
• Encrypted Secret Sharing and Analysis by Plaintext Randomization
  Stephen R. Tate and Roopa Vishwanathan and Scott Weeks
  Information Security Conference (ISC) 2013 [eprint version].
• Multi-user Dynamic Proofs of Data Possession using Trusted Hardware
  Stephen R. Tate and Roopa Vishwanathan, and Lance Everhart
  ACM Conference on Data and Application Security and Privacy (CODAPSY) 2013 [pdf].
• General Secure Function Evaluation using Standard Trusted Computing Hardware
  Stephen R. Tate and Roopa Vishwanathan
  Privacy, Security and Trust (PST) 2011 [pdf].
• Privacy Preserving Group Nearest Neighbor Queries in Location-based Services using Cryptographic Techniques.
  Yan Huang and Roopa Vishwanathan
  IEEE Globecom 2010 [pdf].
• Performance Evaluation of TPM-based Digital Wallets
  Stephen R. Tate and Roopa Vishwanathan
  International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS) 2010.
• A Two-level Protocol to Answer Private Location-based Queries
  Roopa Vishwanathan and Yan Huang
  IEEE Intelligence and Security Informatics (ISI) 2009 (Best paper honorable mention) [pdf].
• Improving Cut-and-Choose in Verifiable Encryption and Fair Exchange Protocols Using Trusted Computing Technology
  Stephen R. Tate and Roopa Vishwanathan
  IFIP Data and Application Security and Privacy (DBSec) 2009 [pdf].