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Dr. Sabyasachi Dey

Assistant Professor
Department of Mathematics

Symmetric Key Cryptography
Birla Institute of Technology & Science, Pilani
Hyderabad Campus
Jawahar Nagar, Kapra Mandal
Dist.-Medchal-500 078
Telangana, India

Publications

1. Settling the mystery of Zr= r in RC4.
    S Dey, S Sarkar.
    Cryptography and Communications. 2019. 
 2. Improved analysis for reduced round Salsa and Chacha.
     S Dey, S Sarkar.
     Discrete Applied Mathematics 227, 58-69. Year: 2017. 
3. Some results on Fruit.
    S Dey, T Roy, S Sarkar.
    Designs, Codes and Cryptography 87 (2-3), 349-364. Year: 2019.
4. Generalization of Roos bias in RC4 and some results on key-keystream relations.
    S Dey, S Sarkar.
    Journal of Mathematical Cryptology 12 (1), 43-56 .2018.
 5. Revisiting design principles of Salsa and ChaCha.
    S Dey, T Roy, S Sarkar.
    Advances in Mathematics of Communications 13 (4). 2019.
 6. Proving the Biases of Salsa and ChaCha in Differential Attack.
     S Dey, S Sarkar.
     Designs, Codes and Cryptography, 2020.
 7. A theoretical investigation on the distinguishers of Salsa and ChaCha
     Sabyasachi Dey and Santanu Sarkar 
     Discrete Applied Mathematics, 2021. 
      S Dey, C Dey, S Sarkar, W Meier - IEEE Transactions on Information Theory, 2022
 9. 

Revamped Differential-Linear Cryptanalysis on Reduced Round ChaCha

      S Dey, HK Garai, S Sarkar, NK Sharma - Annual International Conference on the Theory and Applications of Cryptographic           Techniques 2022
 
Link of publication list: