Souradyuti Paul (born 1976) is an Indian

cryptologist This is a list of cryptographers. Cryptography is the practice and study of techniques for secure communication in the presence of third parties called adversaries. Pre twentieth century * Al-Khalil ibn Ahmad al-Farahidi: wrote a (now lost) bo ...

. Formerly a member of

COSIC The Computer Security and Industrial Cryptography research group, commonly called COSIC, is a research group at the Department of Electrical Engineering of KU Leuven, which is headed by Bart Preneel. Research Research and expertise in digital s ...

, he is currently working as an associate professor at

Indian Institute of Technology Bhilai Indian Institute of Technology Bhilai (IIT Bhilai) is a public technical and research university located in Bhilai, Chhattisgarh, India. It is one of the six young IITs established by the Ministry of Human Resource Development, Government of ...

and a Guest Researcher for the

National Institute of Standards and Technology The National Institute of Standards and Technology (NIST) is an agency of the United States Department of Commerce whose mission is to promote American innovation and industrial competitiveness. NIST's activities are organized into physical s ...

in the United States. He participated in cryptanalysis of

RC4 In cryptography, RC4 (Rivest Cipher 4, also known as ARC4 or ARCFOUR, meaning Alleged RC4, see below) is a stream cipher. While it is remarkable for its simplicity and speed in software, multiple vulnerabilities have been discovered in RC4, ren ...

Helix A helix () is a shape like a corkscrew or spiral staircase. It is a type of smooth space curve with tangent lines at a constant angle to a fixed axis. Helices are important in biology, as the DNA molecule is formed as two intertwined helic ...

and Py family of ciphers among others. He has co-designed the following ciphers * RC4A * RCR-32, RCR-64. He also contributed to the design of a hash function iteration mode of operation Fast-widepipe.Mridul Nandi and Souradyuti Paul. Speeding Up the Widepipe: Secure and Fast Hashing. In Guang Gong and Kishan Gupta, editor, Indocrypt 2010, Springer, 2010. While working at NIST Dr. Paul has worked towards the development of US government secure hash standard SHA-3 being selected through a public competition.

References

External links

Souradyuti Paul's homepage at the Catholic University of Leuven

Souradyuti Paul's weblog addressing computer security related issues

Souradyuti Paul's Crypto Lounge Entry
Living people Modern cryptographers Indian computer scientists Indian cryptographers 1976 births {{crypto-bio-stub