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R G

@rajeetghosh0

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Aspiring cryptographer with expertise in quantum cryptanalysis.

India

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What I'm looking for

I am looking for opportunities that foster innovation and allow me to apply my cryptographic skills and mathematical reasoning in real-world applications.

I am a dedicated and passionate student currently pursuing a BS-MS Dual Degree at the Indian Institute of Science Education and Research. My academic journey has been marked by a strong focus on mathematics and cryptography, culminating in significant research experiences that have honed my analytical and problem-solving skills. I have been fortunate to receive the INSPIRE Fellowship, which recognizes my potential among a vast pool of candidates.

My research work includes a thesis on cryptanalysis of symmetric key ciphers in the quantum realm, where I developed a quantum biclique attack on AES-128 using Grover’s algorithm. This innovative approach not only enhanced key search efficiency but also contributed to the ongoing discourse on post-quantum cryptography. I have also engaged in various projects that explore the intricacies of cipher analysis, including the implementation of cryptanalytic techniques on multiple ciphers, which has deepened my understanding of the field.

Experience

Work history, roles, and key accomplishments

Current

LLM Trainer

Current

Turing

Sep 2023 - Present (1 year 8 months)

Engaged in training and fine-tuning large language models (LLMs) to enhance performance and accuracy. Developed instructional datasets using advanced reinforcement learning techniques, focusing on foundational model training stages to improve contextual understanding.

Large Language Models Reinforcement Learning Python

MS Thesis Researcher

Presidency University

Jun 2023 - Jun 2024 (11 months)

Conducted research on cryptanalysis of symmetric key ciphers in the quantum realm, focusing on developing a quantum biclique attack on AES-128 using Grover’s algorithm to enhance key search efficiency.

Quantum Algorithms AES 128 Grover'S Algorithm Research Methodology

Winter Project Researcher

Presidency University

Dec 2022 - Jan 2023 (1 month)

Studied the DoT cipher and applied biclique cryptanalysis to understand the significance of new ciphers and the importance of their analysis.

Biclique Cryptanalysis Cipher Analysis Research Cryptography

Summer Project Researcher

Presidency University

May 2022 - Jul 2022 (2 months)

Explored various ciphers and applied cryptanalytic techniques, including differential attacks on AES and Kalyna ciphers, and implemented stream ciphers.

Differential Attacks Stream Ciphers Research

Research Intern

IISER Pune

Jan 2022 - Apr 2022 (3 months)

Investigated geometric aspects of Reed Solomon codes, focusing on properties and extensions of RS codes, including MDS codes and error distance distribution.

Reed Solomon Codes Research Finite Fields