A Secure Sharding Protocol For Open Blockchains
- Loi Luu, Viswesh Narayanan, Chaodong Zheng, Kunal Baweja, S. Gilbert, P. Saxena
- Computer Science, MathematicsConference on Computer and Communications…
- 24 October 2016
ELASTICO is the first candidate for a secure sharding protocol with presence of byzantine adversaries, and scalability experiments on Amazon EC2 with up to $1, 600$ nodes confirm ELASTICO's theoretical scaling properties.
Preventing Page Faults from Telling Your Secrets
- Shweta Shinde, Zheng Leong Chua, Viswesh Narayanan, P. Saxena
- Computer Science, MathematicsACM Asia Conference on Computer and…
- 30 May 2016
This paper shows that the page fault side-channel has sufficient channel capacity to extract bits of encryption keys from commodity implementations of cryptographic routines in OpenSSL and Libgcrypt -- leaking 27% on average and up to 100% of the secret bits in many case-studies.
Preventing Your Faults From Telling Your Secrets: Defenses Against Pigeonhole Attacks
- Shweta Shinde, Zheng Leong Chua, Viswesh Narayanan, P. Saxena
- Computer Science, MathematicsArXiv
- 16 June 2015
This paper shows that the page fault side-channel has sufficient channel capacity to extract bits of encryption keys from commodity implementations of cryptographic routines in OpenSSL and Libgcrypt --- leaking 27% on average and up to 100% of the secret bits in many case-studies.
SCP: A Computationally-Scalable Byzantine Consensus Protocol For Blockchains
- Loi Luu, Viswesh Narayanan, Kunal Baweja, Chaodong Zheng, S. Gilbert, P. Saxena
- Computer Science, MathematicsIACR Cryptology ePrint Archive
- 2015
A new blockchain Byzantine consensus protocol SCP where the throughput scales nearly linearly with the computation: the more computing power available, the more blocks selected per unit time, is designed.
Data Hiding Scheme For Side Match VectorQuantization and Arnold Decoding
- G. Prasad, Viswesh Narayanan
- Computer Science
- 30 August 2014
This project is a data hiding by using side match vector quantization algorithm may used for data hiding scheme, which provides a strong backbone for its security in any standard cover media such as image, audio, video files.