iiinova — where your digital self keeps evolving

In this work, we propose a technique by using homomorphic encryption (HE) with certain properties, which translates any sigma-ZKP for algebraic relation to support straight-line extraction, without repeating. 4/n

100

Pratyay Mukherjee @pratyay85.bsky.social · 26/02/2025

For UC security of the entire scheme, the underlying ZKP must have a straight-line extractability. Existing techniques to achieve straight-line extractability rely on repeating the proof multiple times. 3/n

100

Pratyay Mukherjee @pratyay85.bsky.social · 26/02/2025

Straightline extraction is a crucial property of ZKP, which is essential for UC security. E.g., an optimized threshold BLS signature may employ a non-interactive ZKP for partial verification (instead of pairing) to attest that Hash(msg) and g_2 have the same exponent (Chaum-Pederson proof). 2/n

100

Pratyay Mukherjee @pratyay85.bsky.social · 26/02/2025

New paper PKC'25! Joint work with Megan Chen (BU), Pousali Dey (ISI), Chaya Ganesh (IISC), Pratik Sarkar (Supra) and Swagata Sasmal (ISI) 1/n

131

Pratyay Mukherjee @pratyay85.bsky.social · 26/02/2025

New paper on ePrint on Tracebale CCA-secure Encryptions!

010

Reposted by Pratyay Mukherjee

Nigel Smart @smartcryptology.bsky.social · 13/12/2024

Submission deadline approaching for the IACR Communications in Cryptology (CiC). Don’t miss your chance to contribute to this diamond open access journal. Deadline: January 13, 2025 (AoE) Details and submission guidelines: cic.iacr.org/callforpapers #cryptography #iacr

22213

Pratyay Mukherjee @pratyay85.bsky.social · 13/12/2024

Thank you! Also hope you enjoyed the boat ride :-) #Asiacrypt2024

040

Pratyay Mukherjee @pratyay85.bsky.social · 10/12/2024

Paul Kocher will deliver an IACR Distinguished Lecture tomorrow at #Asiacrypt2024

030

Pratyay Mukherjee @pratyay85.bsky.social · 10/12/2024

Yeah, it was a last minute change unfortunately :-( sorry for any inconvenience (though, I have seen people not following it strictly), hope it worked ok?

100

Pratyay Mukherjee @pratyay85.bsky.social · 10/12/2024

#Asiacrypt2024 Rump Session submission is open now... asiacrypt.iacr.org/2024/rumpses...

031

Pratyay Mukherjee @pratyay85.bsky.social · 07/12/2024

#Asiacrypt2024 (Important Change): The welcome reception will take place at the Calcutta Rowing Club (15, Dhakuria, Rabindra Sarobar, Kolkata, West Bengal 700029). Be aware that the venue *dress code* prohibits slippers/flip-flops/open chappals and shirts without collars

232

Pratyay Mukherjee @pratyay85.bsky.social · 06/12/2024

#Asiacrypt2024 tip: Unfortunately, the air quality here is pretty bad at this time of year so using a mask (better if N95) is highly recommended if you are outside to avoid allergies.

020

Pratyay Mukherjee @pratyay85.bsky.social · 06/12/2024

#Asiacrypt2024 tip: For commuting use your Uber app; I have tried with an international credit card, and it works fine. There are many other apps, but for most of them possibly you would need an Indian phone number.

120

Pratyay Mukherjee @pratyay85.bsky.social · 06/12/2024

#Asiacrypt2024 is almost here. As someone who was born and raised in Kolkata, I decided to provide some unofficial updates/tips and will post them as they come into my mind. Folks, especially who are coming from outside the sub-continent, might find these useful. 1/3

152

Pratyay Mukherjee @pratyay85.bsky.social · 30/11/2024

I don’t understand why the hotcrp for IACR conferences always need signing in plus the password autofill never works, unlike for security conferences (CCS, S&P, Usenix) 🥲

010

Pratyay Mukherjee @pratyay85.bsky.social · 28/11/2024

Follow this pack to interact with the bsky Cryptography Research community…

010