Ashwin Jha

According to our database, Ashwin Jha authored at least 32 papers between 2015 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

On Large Tweaks in Tweakable Even-Mansour with Linear Tweak and Key Mixing.

Benoît Cogliati, Jordan Ethan, Ashwin Jha, Soumya Kanti Saha

IACR Trans. Symmetric Cryptol., 2023

Subverting Telegram's End-to-End Encryption.

Benoît Cogliati, Jordan Ethan, Ashwin Jha

IACR Trans. Symmetric Cryptol., 2023

Revisiting Randomness Extraction and Key Derivation Using the CBC and Cascade Modes.

Niranjan Balachandran, Ashwin Jha, Mridul Nandi, Soumit Pal

IACR Trans. Symmetric Cryptol., 2023

Tight Security of TNT: Reinforcing Khairallah's Birthday-bound Attack.

Ashwin Jha, Mridul Nandi, Abishanka Saha

IACR Cryptol. ePrint Arch., 2023

Tight Security of TNT and Beyond: Attacks, Proofs and Possibilities for the Cascaded LRW Paradigm.

Ashwin Jha, Mustafa Khairallah, Mridul Nandi, Abishanka Saha

IACR Cryptol. ePrint Arch., 2023

Revisiting the Indifferentiability of the Sum of Permutations.

Aldo Gunsing, Ritam Bhaumik, Ashwin Jha, Bart Mennink, Yaobin Shen

IACR Cryptol. ePrint Arch., 2023

On Quantum Secure Compressing Pseudorandom Functions.

Ritam Bhaumik, Benoît Cogliati, Jordan Ethan, Ashwin Jha

IACR Cryptol. ePrint Arch., 2023

2022

Towards Tight Security Bounds for OMAC, XCBC and TMAC.

Soumya Chattopadhyay, Ashwin Jha, Mridul Nandi

IACR Cryptol. ePrint Arch., 2022

A Survey on Applications of H-Technique: Revisiting Security Analysis of PRP and PRF.

Ashwin Jha, Mridul Nandi

Entropy, 2022

2021

Revisiting the Security of COMET Authenticated Encryption Scheme.

Shay Gueron, Ashwin Jha, Mridul Nandi

IACR Cryptol. ePrint Arch., 2021

Fine-tuning the ISO/IEC Standard LightMAC.

Soumya Chattopadhyay, Ashwin Jha, Mridul Nandi

IACR Cryptol. ePrint Arch., 2021

Light-OCB: Parallel Lightweight Authenticated Cipher with Full Security.

Avik Chakraborti, Nilanjan Datta, Ashwin Jha, Cuauhtemoc Mancillas López, Mridul Nandi

IACR Cryptol. ePrint Arch., 2021

tHyENA: Making HyENA Even Smaller.

Avik Chakraborti, Nilanjan Datta, Ashwin Jha, Cuauhtemoc Mancillas-López, Mridul Nandi

Proceedings of the Progress in Cryptology - INDOCRYPT 2021, 2021

2020

From Combined to Hybrid: Making Feedback-based AE even Smaller.

Avik Chakraborti, Nilanjan Datta, Ashwin Jha, Snehal Mitragotri, Mridul Nandi

IACR Trans. Symmetric Cryptol., 2020

ESTATE: A Lightweight and Low Energy Authenticated Encryption Mode.

Avik Chakraborti, Nilanjan Datta, Ashwin Jha, Cuauhtemoc Mancillas-López, Mridul Nandi, Yu Sasaki

IACR Trans. Symmetric Cryptol., 2020

Tight Security of Cascaded LRW2.

Ashwin Jha, Mridul Nandi

J. Cryptol., 2020

How to Build Optimally Secure PRFs Using Block Ciphers.

Benoît Cogliati, Ashwin Jha, Mridul Nandi

IACR Cryptol. ePrint Arch., 2020

On Length Independent Security Bounds for the PMAC Family.

Bishwajit Chakraborty, Soumya Chattopadhyay, Ashwin Jha, Mridul Nandi

IACR Cryptol. ePrint Arch., 2020

2019

INT-RUP Secure Lightweight Parallel AE Modes.

Avik Chakraborti, Nilanjan Datta, Ashwin Jha, Cuauhtemoc Mancillas-López, Mridul Nandi, Yu Sasaki

IACR Trans. Symmetric Cryptol., 2019

On Random Read Access in OCB.

Ashwin Jha, Cuauhtemoc Mancillas-López, Mridul Nandi, Sourav Sen Gupta

IEEE Trans. Inf. Theory, 2019

On the Security of Sponge-type Authenticated Encryption Modes.

Bishwajit Chakraborty, Ashwin Jha, Mridul Nandi

IACR Cryptol. ePrint Arch., 2019

Elastic-Tweak: A Framework for Short Tweak Tweakable Block Cipher.

Avik Chakraborti, Nilanjan Datta, Ashwin Jha, Cuauhtemoc Mancillas López, Mridul Nandi, Yu Sasaki

IACR Cryptol. ePrint Arch., 2019

2018

Applications of H-Technique: Revisiting Symmetric Key Security Analysis.

Ashwin Jha, Mridul Nandi

IACR Cryptol. ePrint Arch., 2018

On rate-1 and beyond-the-birthday bound secure online ciphers using tweakable block ciphers.

Ashwin Jha, Mridul Nandi

Cryptogr. Commun., 2018

2017

A New Look at Counters: Don't Run Like Marathon in a Hundred Meter Race.

Avijit Dutta, Ashwin Jha, Mridul Nandi

IEEE Trans. Computers, 2017

On The Exact Security of Message Authentication Using Pseudorandom Functions.

Ashwin Jha, Avradip Mandal, Mridul Nandi

IACR Cryptol. ePrint Arch., 2017

XHX - A Framework for Optimally Secure Tweakable Block Ciphers from Classical Block Ciphers and Universal Hashing.

Ashwin Jha, Eik List, Kazuhiko Minematsu, Sweta Mishra, Mridul Nandi

IACR Cryptol. ePrint Arch., 2017

Tight Security Analysis of EHtM MAC.

Avijit Dutta, Ashwin Jha, Mridul Nandi

IACR Cryptol. ePrint Arch., 2017

2016

Revisiting structure graphs: Applications to CBC-MAC and EMAC.

Ashwin Jha, Mridul Nandi

J. Math. Cryptol., 2016

Revisiting Structure Graph and Its Applications to CBC-MAC and EMAC.

Ashwin Jha, Mridul Nandi

IACR Cryptol. ePrint Arch., 2016

Exact Security Analysis of Hash-then-Mask Type Probabilistic MAC Constructions.

Avijit Dutta, Ashwin Jha, Mridul Nandi

IACR Cryptol. ePrint Arch., 2016

2015

Some Cryptanalytic Results on Zipper Hash and Concatenated Hash.

Ashwin Jha, Mridul Nandi

IACR Cryptol. ePrint Arch., 2015