Sujoy Sinha Roy


Secure Systems, Assistant Professor

Sujoy Sinha Roy is an assistant professor in Cryptographic Engineering at IAIK,  the Graz University of Technology. He received the PhD degree in 2017 with 'Summa cum laude with congratulations from the examination committee' from COSIC, KU Leuven, Belgium. His doctoral thesis was awarded the 'IBM Innovation Award 2018' that recognizes an outstanding doctoral thesis in informatics. He is a co-designer of ‘Saber’ which is a finalist in NIST’s Post-Quantum Cryptography Standardization Project. Before joining TU Graz, he worked as an assistant professor at the University of Birmingham's Security and Privacy group from Sep 2018 to Nov 2020.    
Sujoy Sinha Roy


Sujoy is interested in the implementation aspects of cryptography.

Ongoing projects

  • Secure and efficient design of Post-quantum Cryptography
  • Hardware acceleration of homomorphic encryption


  • Aikata Aikata (doctoral)
  • Ahmet Can Mert (post-doctoral)
  • Andrea Basso (doctoral, University of Birmingham)

PhD positions
Always looking for highly motivated PhD students.

Application, curriculum vitae, cover letter, recommendation letters, and other documents should preferably be uploaded here Please select „7050 – PhD 2021 – crypteng” as a reference number.