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Introduction to Pseudorandom Codes and Its Application to Watermarking LLMs

Series: Department Seminar

Speaker: Prof. Prabhanjan Ananth, University of California, Santa Barbara

Date/Time: Jul 10 10:30:00

Location: CSA Auditorium, (Room No. 104, Ground Floor)

Abstract:
Pseudorandom codes (PRCs) is a novel cryptographic object recently introduced by Christ and Gunn [CRYPTO 2024] that combines the foundational concepts of pseudorandomness and error-correcting codes. PRCs have applications to watermarking large language models and steganography. In this talk, I will introduce the notion of pseudorandom codes, discuss its constructions and its application to watermarking. 

Speaker Bio:
Prabhanjan Ananth is an assistant professor in the department of computer science at University of California, Santa Barbara, where he currently holds the endowed Glenn and Susanne Culler chair position. Previously, he obtained his Ph.D. at University of California, Los Angeles followed by a postdoc at Massachusetts Institute of Technology. His research interests lie in the intersection of quantum computing and cryptography and is generally interested in all aspects of theoretical cryptography. He is the recipient of Best M.Sc. (Engg.) Thesis award, Simons award for graduate students in theoretical computer science, Symantec outstanding graduate student award and the NSF CAREER award.  

Host Faculty: Prof. Bhavana Kanukurthi